Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1 | // Copyright 2015 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include <stdlib.h> |
| 6 | |
| 7 | #include "test/cctest/test-api.h" |
| 8 | |
| 9 | #include "include/v8-util.h" |
| 10 | #include "src/api.h" |
| 11 | #include "src/arguments.h" |
| 12 | #include "src/base/platform/platform.h" |
| 13 | #include "src/compilation-cache.h" |
| 14 | #include "src/execution.h" |
| 15 | #include "src/objects.h" |
| 16 | #include "src/parsing/parser.h" |
| 17 | #include "src/unicode-inl.h" |
| 18 | #include "src/utils.h" |
| 19 | #include "src/vm-state.h" |
| 20 | |
| 21 | using ::v8::Boolean; |
| 22 | using ::v8::BooleanObject; |
| 23 | using ::v8::Context; |
| 24 | using ::v8::Extension; |
| 25 | using ::v8::Function; |
| 26 | using ::v8::FunctionTemplate; |
| 27 | using ::v8::HandleScope; |
| 28 | using ::v8::Local; |
| 29 | using ::v8::Name; |
| 30 | using ::v8::Message; |
| 31 | using ::v8::MessageCallback; |
| 32 | using ::v8::Object; |
| 33 | using ::v8::ObjectTemplate; |
| 34 | using ::v8::Persistent; |
| 35 | using ::v8::Script; |
| 36 | using ::v8::StackTrace; |
| 37 | using ::v8::String; |
| 38 | using ::v8::Symbol; |
| 39 | using ::v8::TryCatch; |
| 40 | using ::v8::Undefined; |
| 41 | using ::v8::UniqueId; |
| 42 | using ::v8::V8; |
| 43 | using ::v8::Value; |
| 44 | |
| 45 | |
| 46 | namespace { |
| 47 | |
| 48 | void Returns42(const v8::FunctionCallbackInfo<v8::Value>& info) { |
| 49 | info.GetReturnValue().Set(42); |
| 50 | } |
| 51 | |
| 52 | void Return239Callback(Local<String> name, |
| 53 | const v8::PropertyCallbackInfo<Value>& info) { |
| 54 | ApiTestFuzzer::Fuzz(); |
| 55 | CheckReturnValue(info, FUNCTION_ADDR(Return239Callback)); |
| 56 | info.GetReturnValue().Set(v8_str("bad value")); |
| 57 | info.GetReturnValue().Set(v8_num(239)); |
| 58 | } |
| 59 | |
| 60 | |
| 61 | void EmptyInterceptorGetter(Local<Name> name, |
| 62 | const v8::PropertyCallbackInfo<v8::Value>& info) {} |
| 63 | |
| 64 | |
| 65 | void EmptyInterceptorSetter(Local<Name> name, Local<Value> value, |
| 66 | const v8::PropertyCallbackInfo<v8::Value>& info) {} |
| 67 | |
| 68 | |
| 69 | void SimpleAccessorGetter(Local<String> name, |
| 70 | const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 71 | Local<Object> self = Local<Object>::Cast(info.This()); |
| 72 | info.GetReturnValue().Set(self->Get(info.GetIsolate()->GetCurrentContext(), |
| 73 | String::Concat(v8_str("accessor_"), name)) |
| 74 | .ToLocalChecked()); |
| 75 | } |
| 76 | |
| 77 | void SimpleAccessorSetter(Local<String> name, Local<Value> value, |
| 78 | const v8::PropertyCallbackInfo<void>& info) { |
| 79 | Local<Object> self = Local<Object>::Cast(info.This()); |
| 80 | self->Set(info.GetIsolate()->GetCurrentContext(), |
| 81 | String::Concat(v8_str("accessor_"), name), value) |
| 82 | .FromJust(); |
| 83 | } |
| 84 | |
| 85 | |
| 86 | void SymbolAccessorGetter(Local<Name> name, |
| 87 | const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 88 | CHECK(name->IsSymbol()); |
| 89 | Local<Symbol> sym = Local<Symbol>::Cast(name); |
| 90 | if (sym->Name()->IsUndefined()) return; |
| 91 | SimpleAccessorGetter(Local<String>::Cast(sym->Name()), info); |
| 92 | } |
| 93 | |
| 94 | void SymbolAccessorSetter(Local<Name> name, Local<Value> value, |
| 95 | const v8::PropertyCallbackInfo<void>& info) { |
| 96 | CHECK(name->IsSymbol()); |
| 97 | Local<Symbol> sym = Local<Symbol>::Cast(name); |
| 98 | if (sym->Name()->IsUndefined()) return; |
| 99 | SimpleAccessorSetter(Local<String>::Cast(sym->Name()), value, info); |
| 100 | } |
| 101 | |
| 102 | void StringInterceptorGetter( |
| 103 | Local<String> name, |
| 104 | const v8::PropertyCallbackInfo<v8::Value>& |
| 105 | info) { // Intercept names that start with 'interceptor_'. |
| 106 | String::Utf8Value utf8(name); |
| 107 | char* name_str = *utf8; |
| 108 | char prefix[] = "interceptor_"; |
| 109 | int i; |
| 110 | for (i = 0; name_str[i] && prefix[i]; ++i) { |
| 111 | if (name_str[i] != prefix[i]) return; |
| 112 | } |
| 113 | Local<Object> self = Local<Object>::Cast(info.This()); |
| 114 | info.GetReturnValue().Set( |
| 115 | self->GetPrivate( |
| 116 | info.GetIsolate()->GetCurrentContext(), |
| 117 | v8::Private::ForApi(info.GetIsolate(), v8_str(name_str + i))) |
| 118 | .ToLocalChecked()); |
| 119 | } |
| 120 | |
| 121 | |
| 122 | void StringInterceptorSetter(Local<String> name, Local<Value> value, |
| 123 | const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 124 | // Intercept accesses that set certain integer values, for which the name does |
| 125 | // not start with 'accessor_'. |
| 126 | String::Utf8Value utf8(name); |
| 127 | char* name_str = *utf8; |
| 128 | char prefix[] = "accessor_"; |
| 129 | int i; |
| 130 | for (i = 0; name_str[i] && prefix[i]; ++i) { |
| 131 | if (name_str[i] != prefix[i]) break; |
| 132 | } |
| 133 | if (!prefix[i]) return; |
| 134 | |
| 135 | Local<Context> context = info.GetIsolate()->GetCurrentContext(); |
| 136 | if (value->IsInt32() && value->Int32Value(context).FromJust() < 10000) { |
| 137 | Local<Object> self = Local<Object>::Cast(info.This()); |
| 138 | Local<v8::Private> symbol = v8::Private::ForApi(info.GetIsolate(), name); |
| 139 | self->SetPrivate(context, symbol, value).FromJust(); |
| 140 | info.GetReturnValue().Set(value); |
| 141 | } |
| 142 | } |
| 143 | |
| 144 | void InterceptorGetter(Local<Name> generic_name, |
| 145 | const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 146 | if (generic_name->IsSymbol()) return; |
| 147 | StringInterceptorGetter(Local<String>::Cast(generic_name), info); |
| 148 | } |
| 149 | |
| 150 | void InterceptorSetter(Local<Name> generic_name, Local<Value> value, |
| 151 | const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 152 | if (generic_name->IsSymbol()) return; |
| 153 | StringInterceptorSetter(Local<String>::Cast(generic_name), value, info); |
| 154 | } |
| 155 | |
| 156 | void GenericInterceptorGetter(Local<Name> generic_name, |
| 157 | const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 158 | Local<String> str; |
| 159 | if (generic_name->IsSymbol()) { |
| 160 | Local<Value> name = Local<Symbol>::Cast(generic_name)->Name(); |
| 161 | if (name->IsUndefined()) return; |
| 162 | str = String::Concat(v8_str("_sym_"), Local<String>::Cast(name)); |
| 163 | } else { |
| 164 | Local<String> name = Local<String>::Cast(generic_name); |
| 165 | String::Utf8Value utf8(name); |
| 166 | char* name_str = *utf8; |
| 167 | if (*name_str == '_') return; |
| 168 | str = String::Concat(v8_str("_str_"), name); |
| 169 | } |
| 170 | |
| 171 | Local<Object> self = Local<Object>::Cast(info.This()); |
| 172 | info.GetReturnValue().Set( |
| 173 | self->Get(info.GetIsolate()->GetCurrentContext(), str).ToLocalChecked()); |
| 174 | } |
| 175 | |
| 176 | void GenericInterceptorSetter(Local<Name> generic_name, Local<Value> value, |
| 177 | const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 178 | Local<String> str; |
| 179 | if (generic_name->IsSymbol()) { |
| 180 | Local<Value> name = Local<Symbol>::Cast(generic_name)->Name(); |
| 181 | if (name->IsUndefined()) return; |
| 182 | str = String::Concat(v8_str("_sym_"), Local<String>::Cast(name)); |
| 183 | } else { |
| 184 | Local<String> name = Local<String>::Cast(generic_name); |
| 185 | String::Utf8Value utf8(name); |
| 186 | char* name_str = *utf8; |
| 187 | if (*name_str == '_') return; |
| 188 | str = String::Concat(v8_str("_str_"), name); |
| 189 | } |
| 190 | |
| 191 | Local<Object> self = Local<Object>::Cast(info.This()); |
| 192 | self->Set(info.GetIsolate()->GetCurrentContext(), str, value).FromJust(); |
| 193 | info.GetReturnValue().Set(value); |
| 194 | } |
| 195 | |
| 196 | void AddAccessor(Local<FunctionTemplate> templ, Local<String> name, |
| 197 | v8::AccessorGetterCallback getter, |
| 198 | v8::AccessorSetterCallback setter) { |
| 199 | templ->PrototypeTemplate()->SetAccessor(name, getter, setter); |
| 200 | } |
| 201 | |
| 202 | void AddInterceptor(Local<FunctionTemplate> templ, |
| 203 | v8::NamedPropertyGetterCallback getter, |
| 204 | v8::NamedPropertySetterCallback setter) { |
| 205 | templ->InstanceTemplate()->SetNamedPropertyHandler(getter, setter); |
| 206 | } |
| 207 | |
| 208 | |
| 209 | void AddAccessor(Local<FunctionTemplate> templ, Local<Name> name, |
| 210 | v8::AccessorNameGetterCallback getter, |
| 211 | v8::AccessorNameSetterCallback setter) { |
| 212 | templ->PrototypeTemplate()->SetAccessor(name, getter, setter); |
| 213 | } |
| 214 | |
| 215 | void AddInterceptor(Local<FunctionTemplate> templ, |
| 216 | v8::GenericNamedPropertyGetterCallback getter, |
| 217 | v8::GenericNamedPropertySetterCallback setter) { |
| 218 | templ->InstanceTemplate()->SetHandler( |
| 219 | v8::NamedPropertyHandlerConfiguration(getter, setter)); |
| 220 | } |
| 221 | |
| 222 | |
| 223 | v8::Local<v8::Object> bottom; |
| 224 | |
| 225 | void CheckThisIndexedPropertyHandler( |
| 226 | uint32_t index, const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 227 | CheckReturnValue(info, FUNCTION_ADDR(CheckThisIndexedPropertyHandler)); |
| 228 | ApiTestFuzzer::Fuzz(); |
| 229 | CHECK(info.This() |
| 230 | ->Equals(info.GetIsolate()->GetCurrentContext(), bottom) |
| 231 | .FromJust()); |
| 232 | } |
| 233 | |
| 234 | void CheckThisNamedPropertyHandler( |
| 235 | Local<Name> name, const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 236 | CheckReturnValue(info, FUNCTION_ADDR(CheckThisNamedPropertyHandler)); |
| 237 | ApiTestFuzzer::Fuzz(); |
| 238 | CHECK(info.This() |
| 239 | ->Equals(info.GetIsolate()->GetCurrentContext(), bottom) |
| 240 | .FromJust()); |
| 241 | } |
| 242 | |
| 243 | void CheckThisIndexedPropertySetter( |
| 244 | uint32_t index, Local<Value> value, |
| 245 | const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 246 | CheckReturnValue(info, FUNCTION_ADDR(CheckThisIndexedPropertySetter)); |
| 247 | ApiTestFuzzer::Fuzz(); |
| 248 | CHECK(info.This() |
| 249 | ->Equals(info.GetIsolate()->GetCurrentContext(), bottom) |
| 250 | .FromJust()); |
| 251 | } |
| 252 | |
| 253 | |
| 254 | void CheckThisNamedPropertySetter( |
| 255 | Local<Name> property, Local<Value> value, |
| 256 | const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 257 | CheckReturnValue(info, FUNCTION_ADDR(CheckThisNamedPropertySetter)); |
| 258 | ApiTestFuzzer::Fuzz(); |
| 259 | CHECK(info.This() |
| 260 | ->Equals(info.GetIsolate()->GetCurrentContext(), bottom) |
| 261 | .FromJust()); |
| 262 | } |
| 263 | |
| 264 | void CheckThisIndexedPropertyQuery( |
| 265 | uint32_t index, const v8::PropertyCallbackInfo<v8::Integer>& info) { |
| 266 | CheckReturnValue(info, FUNCTION_ADDR(CheckThisIndexedPropertyQuery)); |
| 267 | ApiTestFuzzer::Fuzz(); |
| 268 | CHECK(info.This() |
| 269 | ->Equals(info.GetIsolate()->GetCurrentContext(), bottom) |
| 270 | .FromJust()); |
| 271 | } |
| 272 | |
| 273 | |
| 274 | void CheckThisNamedPropertyQuery( |
| 275 | Local<Name> property, const v8::PropertyCallbackInfo<v8::Integer>& info) { |
| 276 | CheckReturnValue(info, FUNCTION_ADDR(CheckThisNamedPropertyQuery)); |
| 277 | ApiTestFuzzer::Fuzz(); |
| 278 | CHECK(info.This() |
| 279 | ->Equals(info.GetIsolate()->GetCurrentContext(), bottom) |
| 280 | .FromJust()); |
| 281 | } |
| 282 | |
| 283 | |
| 284 | void CheckThisIndexedPropertyDeleter( |
| 285 | uint32_t index, const v8::PropertyCallbackInfo<v8::Boolean>& info) { |
| 286 | CheckReturnValue(info, FUNCTION_ADDR(CheckThisIndexedPropertyDeleter)); |
| 287 | ApiTestFuzzer::Fuzz(); |
| 288 | CHECK(info.This() |
| 289 | ->Equals(info.GetIsolate()->GetCurrentContext(), bottom) |
| 290 | .FromJust()); |
| 291 | } |
| 292 | |
| 293 | |
| 294 | void CheckThisNamedPropertyDeleter( |
| 295 | Local<Name> property, const v8::PropertyCallbackInfo<v8::Boolean>& info) { |
| 296 | CheckReturnValue(info, FUNCTION_ADDR(CheckThisNamedPropertyDeleter)); |
| 297 | ApiTestFuzzer::Fuzz(); |
| 298 | CHECK(info.This() |
| 299 | ->Equals(info.GetIsolate()->GetCurrentContext(), bottom) |
| 300 | .FromJust()); |
| 301 | } |
| 302 | |
| 303 | |
| 304 | void CheckThisIndexedPropertyEnumerator( |
| 305 | const v8::PropertyCallbackInfo<v8::Array>& info) { |
| 306 | CheckReturnValue(info, FUNCTION_ADDR(CheckThisIndexedPropertyEnumerator)); |
| 307 | ApiTestFuzzer::Fuzz(); |
| 308 | CHECK(info.This() |
| 309 | ->Equals(info.GetIsolate()->GetCurrentContext(), bottom) |
| 310 | .FromJust()); |
| 311 | } |
| 312 | |
| 313 | |
| 314 | void CheckThisNamedPropertyEnumerator( |
| 315 | const v8::PropertyCallbackInfo<v8::Array>& info) { |
| 316 | CheckReturnValue(info, FUNCTION_ADDR(CheckThisNamedPropertyEnumerator)); |
| 317 | ApiTestFuzzer::Fuzz(); |
| 318 | CHECK(info.This() |
| 319 | ->Equals(info.GetIsolate()->GetCurrentContext(), bottom) |
| 320 | .FromJust()); |
| 321 | } |
| 322 | |
| 323 | |
| 324 | int echo_named_call_count; |
| 325 | |
| 326 | |
| 327 | void EchoNamedProperty(Local<Name> name, |
| 328 | const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 329 | ApiTestFuzzer::Fuzz(); |
| 330 | CHECK(v8_str("data") |
| 331 | ->Equals(info.GetIsolate()->GetCurrentContext(), info.Data()) |
| 332 | .FromJust()); |
| 333 | echo_named_call_count++; |
| 334 | info.GetReturnValue().Set(name); |
| 335 | } |
| 336 | |
| 337 | void InterceptorHasOwnPropertyGetter( |
| 338 | Local<Name> name, const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 339 | ApiTestFuzzer::Fuzz(); |
| 340 | } |
| 341 | |
| 342 | void InterceptorHasOwnPropertyGetterGC( |
| 343 | Local<Name> name, const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 344 | ApiTestFuzzer::Fuzz(); |
| 345 | CcTest::heap()->CollectAllGarbage(); |
| 346 | } |
| 347 | |
| 348 | } // namespace |
| 349 | |
| 350 | |
| 351 | THREADED_TEST(InterceptorHasOwnProperty) { |
| 352 | LocalContext context; |
| 353 | v8::Isolate* isolate = context->GetIsolate(); |
| 354 | v8::HandleScope scope(isolate); |
| 355 | Local<v8::FunctionTemplate> fun_templ = v8::FunctionTemplate::New(isolate); |
| 356 | Local<v8::ObjectTemplate> instance_templ = fun_templ->InstanceTemplate(); |
| 357 | instance_templ->SetHandler( |
| 358 | v8::NamedPropertyHandlerConfiguration(InterceptorHasOwnPropertyGetter)); |
| 359 | Local<Function> function = |
| 360 | fun_templ->GetFunction(context.local()).ToLocalChecked(); |
| 361 | context->Global() |
| 362 | ->Set(context.local(), v8_str("constructor"), function) |
| 363 | .FromJust(); |
| 364 | v8::Local<Value> value = CompileRun( |
| 365 | "var o = new constructor();" |
| 366 | "o.hasOwnProperty('ostehaps');"); |
| 367 | CHECK_EQ(false, value->BooleanValue(context.local()).FromJust()); |
| 368 | value = CompileRun( |
| 369 | "o.ostehaps = 42;" |
| 370 | "o.hasOwnProperty('ostehaps');"); |
| 371 | CHECK_EQ(true, value->BooleanValue(context.local()).FromJust()); |
| 372 | value = CompileRun( |
| 373 | "var p = new constructor();" |
| 374 | "p.hasOwnProperty('ostehaps');"); |
| 375 | CHECK_EQ(false, value->BooleanValue(context.local()).FromJust()); |
| 376 | } |
| 377 | |
| 378 | |
| 379 | THREADED_TEST(InterceptorHasOwnPropertyCausingGC) { |
| 380 | LocalContext context; |
| 381 | v8::Isolate* isolate = context->GetIsolate(); |
| 382 | v8::HandleScope scope(isolate); |
| 383 | Local<v8::FunctionTemplate> fun_templ = v8::FunctionTemplate::New(isolate); |
| 384 | Local<v8::ObjectTemplate> instance_templ = fun_templ->InstanceTemplate(); |
| 385 | instance_templ->SetHandler( |
| 386 | v8::NamedPropertyHandlerConfiguration(InterceptorHasOwnPropertyGetterGC)); |
| 387 | Local<Function> function = |
| 388 | fun_templ->GetFunction(context.local()).ToLocalChecked(); |
| 389 | context->Global() |
| 390 | ->Set(context.local(), v8_str("constructor"), function) |
| 391 | .FromJust(); |
| 392 | // Let's first make some stuff so we can be sure to get a good GC. |
| 393 | CompileRun( |
| 394 | "function makestr(size) {" |
| 395 | " switch (size) {" |
| 396 | " case 1: return 'f';" |
| 397 | " case 2: return 'fo';" |
| 398 | " case 3: return 'foo';" |
| 399 | " }" |
| 400 | " return makestr(size >> 1) + makestr((size + 1) >> 1);" |
| 401 | "}" |
| 402 | "var x = makestr(12345);" |
| 403 | "x = makestr(31415);" |
| 404 | "x = makestr(23456);"); |
| 405 | v8::Local<Value> value = CompileRun( |
| 406 | "var o = new constructor();" |
| 407 | "o.__proto__ = new String(x);" |
| 408 | "o.hasOwnProperty('ostehaps');"); |
| 409 | CHECK_EQ(false, value->BooleanValue(context.local()).FromJust()); |
| 410 | } |
| 411 | |
| 412 | |
| 413 | static void CheckInterceptorLoadIC( |
| 414 | v8::GenericNamedPropertyGetterCallback getter, const char* source, |
| 415 | int expected) { |
| 416 | v8::Isolate* isolate = CcTest::isolate(); |
| 417 | v8::HandleScope scope(isolate); |
| 418 | v8::Local<v8::ObjectTemplate> templ = ObjectTemplate::New(isolate); |
| 419 | templ->SetHandler(v8::NamedPropertyHandlerConfiguration(getter, 0, 0, 0, 0, |
| 420 | v8_str("data"))); |
| 421 | LocalContext context; |
| 422 | context->Global() |
| 423 | ->Set(context.local(), v8_str("o"), |
| 424 | templ->NewInstance(context.local()).ToLocalChecked()) |
| 425 | .FromJust(); |
| 426 | v8::Local<Value> value = CompileRun(source); |
| 427 | CHECK_EQ(expected, value->Int32Value(context.local()).FromJust()); |
| 428 | } |
| 429 | |
| 430 | |
| 431 | static void InterceptorLoadICGetter( |
| 432 | Local<Name> name, const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 433 | ApiTestFuzzer::Fuzz(); |
| 434 | v8::Isolate* isolate = CcTest::isolate(); |
| 435 | CHECK_EQ(isolate, info.GetIsolate()); |
| 436 | v8::Local<v8::Context> context = isolate->GetCurrentContext(); |
| 437 | CHECK(v8_str("data")->Equals(context, info.Data()).FromJust()); |
| 438 | CHECK(v8_str("x")->Equals(context, name).FromJust()); |
| 439 | info.GetReturnValue().Set(v8::Integer::New(isolate, 42)); |
| 440 | } |
| 441 | |
| 442 | |
| 443 | // This test should hit the load IC for the interceptor case. |
| 444 | THREADED_TEST(InterceptorLoadIC) { |
| 445 | CheckInterceptorLoadIC(InterceptorLoadICGetter, |
| 446 | "var result = 0;" |
| 447 | "for (var i = 0; i < 1000; i++) {" |
| 448 | " result = o.x;" |
| 449 | "}", |
| 450 | 42); |
| 451 | } |
| 452 | |
| 453 | |
| 454 | // Below go several tests which verify that JITing for various |
| 455 | // configurations of interceptor and explicit fields works fine |
| 456 | // (those cases are special cased to get better performance). |
| 457 | |
| 458 | static void InterceptorLoadXICGetter( |
| 459 | Local<Name> name, const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 460 | ApiTestFuzzer::Fuzz(); |
| 461 | info.GetReturnValue().Set( |
| 462 | v8_str("x") |
| 463 | ->Equals(info.GetIsolate()->GetCurrentContext(), name) |
| 464 | .FromJust() |
| 465 | ? v8::Local<v8::Value>(v8::Integer::New(info.GetIsolate(), 42)) |
| 466 | : v8::Local<v8::Value>()); |
| 467 | } |
| 468 | |
| 469 | |
| 470 | THREADED_TEST(InterceptorLoadICWithFieldOnHolder) { |
| 471 | CheckInterceptorLoadIC(InterceptorLoadXICGetter, |
| 472 | "var result = 0;" |
| 473 | "o.y = 239;" |
| 474 | "for (var i = 0; i < 1000; i++) {" |
| 475 | " result = o.y;" |
| 476 | "}", |
| 477 | 239); |
| 478 | } |
| 479 | |
| 480 | |
| 481 | THREADED_TEST(InterceptorLoadICWithSubstitutedProto) { |
| 482 | CheckInterceptorLoadIC(InterceptorLoadXICGetter, |
| 483 | "var result = 0;" |
| 484 | "o.__proto__ = { 'y': 239 };" |
| 485 | "for (var i = 0; i < 1000; i++) {" |
| 486 | " result = o.y + o.x;" |
| 487 | "}", |
| 488 | 239 + 42); |
| 489 | } |
| 490 | |
| 491 | |
| 492 | THREADED_TEST(InterceptorLoadICWithPropertyOnProto) { |
| 493 | CheckInterceptorLoadIC(InterceptorLoadXICGetter, |
| 494 | "var result = 0;" |
| 495 | "o.__proto__.y = 239;" |
| 496 | "for (var i = 0; i < 1000; i++) {" |
| 497 | " result = o.y + o.x;" |
| 498 | "}", |
| 499 | 239 + 42); |
| 500 | } |
| 501 | |
| 502 | |
| 503 | THREADED_TEST(InterceptorLoadICUndefined) { |
| 504 | CheckInterceptorLoadIC(InterceptorLoadXICGetter, |
| 505 | "var result = 0;" |
| 506 | "for (var i = 0; i < 1000; i++) {" |
| 507 | " result = (o.y == undefined) ? 239 : 42;" |
| 508 | "}", |
| 509 | 239); |
| 510 | } |
| 511 | |
| 512 | |
| 513 | THREADED_TEST(InterceptorLoadICWithOverride) { |
| 514 | CheckInterceptorLoadIC(InterceptorLoadXICGetter, |
| 515 | "fst = new Object(); fst.__proto__ = o;" |
| 516 | "snd = new Object(); snd.__proto__ = fst;" |
| 517 | "var result1 = 0;" |
| 518 | "for (var i = 0; i < 1000; i++) {" |
| 519 | " result1 = snd.x;" |
| 520 | "}" |
| 521 | "fst.x = 239;" |
| 522 | "var result = 0;" |
| 523 | "for (var i = 0; i < 1000; i++) {" |
| 524 | " result = snd.x;" |
| 525 | "}" |
| 526 | "result + result1", |
| 527 | 239 + 42); |
| 528 | } |
| 529 | |
| 530 | |
| 531 | // Test the case when we stored field into |
| 532 | // a stub, but interceptor produced value on its own. |
| 533 | THREADED_TEST(InterceptorLoadICFieldNotNeeded) { |
| 534 | CheckInterceptorLoadIC( |
| 535 | InterceptorLoadXICGetter, |
| 536 | "proto = new Object();" |
| 537 | "o.__proto__ = proto;" |
| 538 | "proto.x = 239;" |
| 539 | "for (var i = 0; i < 1000; i++) {" |
| 540 | " o.x;" |
| 541 | // Now it should be ICed and keep a reference to x defined on proto |
| 542 | "}" |
| 543 | "var result = 0;" |
| 544 | "for (var i = 0; i < 1000; i++) {" |
| 545 | " result += o.x;" |
| 546 | "}" |
| 547 | "result;", |
| 548 | 42 * 1000); |
| 549 | } |
| 550 | |
| 551 | |
| 552 | // Test the case when we stored field into |
| 553 | // a stub, but it got invalidated later on. |
| 554 | THREADED_TEST(InterceptorLoadICInvalidatedField) { |
| 555 | CheckInterceptorLoadIC( |
| 556 | InterceptorLoadXICGetter, |
| 557 | "proto1 = new Object();" |
| 558 | "proto2 = new Object();" |
| 559 | "o.__proto__ = proto1;" |
| 560 | "proto1.__proto__ = proto2;" |
| 561 | "proto2.y = 239;" |
| 562 | "for (var i = 0; i < 1000; i++) {" |
| 563 | " o.y;" |
| 564 | // Now it should be ICed and keep a reference to y defined on proto2 |
| 565 | "}" |
| 566 | "proto1.y = 42;" |
| 567 | "var result = 0;" |
| 568 | "for (var i = 0; i < 1000; i++) {" |
| 569 | " result += o.y;" |
| 570 | "}" |
| 571 | "result;", |
| 572 | 42 * 1000); |
| 573 | } |
| 574 | |
| 575 | |
| 576 | static int interceptor_load_not_handled_calls = 0; |
| 577 | static void InterceptorLoadNotHandled( |
| 578 | Local<Name> name, const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 579 | ++interceptor_load_not_handled_calls; |
| 580 | } |
| 581 | |
| 582 | |
| 583 | // Test how post-interceptor lookups are done in the non-cacheable |
| 584 | // case: the interceptor should not be invoked during this lookup. |
| 585 | THREADED_TEST(InterceptorLoadICPostInterceptor) { |
| 586 | interceptor_load_not_handled_calls = 0; |
| 587 | CheckInterceptorLoadIC(InterceptorLoadNotHandled, |
| 588 | "receiver = new Object();" |
| 589 | "receiver.__proto__ = o;" |
| 590 | "proto = new Object();" |
| 591 | "/* Make proto a slow-case object. */" |
| 592 | "for (var i = 0; i < 1000; i++) {" |
| 593 | " proto[\"xxxxxxxx\" + i] = [];" |
| 594 | "}" |
| 595 | "proto.x = 17;" |
| 596 | "o.__proto__ = proto;" |
| 597 | "var result = 0;" |
| 598 | "for (var i = 0; i < 1000; i++) {" |
| 599 | " result += receiver.x;" |
| 600 | "}" |
| 601 | "result;", |
| 602 | 17 * 1000); |
| 603 | CHECK_EQ(1000, interceptor_load_not_handled_calls); |
| 604 | } |
| 605 | |
| 606 | |
| 607 | // Test the case when we stored field into |
| 608 | // a stub, but it got invalidated later on due to override on |
| 609 | // global object which is between interceptor and fields' holders. |
| 610 | THREADED_TEST(InterceptorLoadICInvalidatedFieldViaGlobal) { |
| 611 | CheckInterceptorLoadIC( |
| 612 | InterceptorLoadXICGetter, |
| 613 | "o.__proto__ = this;" // set a global to be a proto of o. |
| 614 | "this.__proto__.y = 239;" |
| 615 | "for (var i = 0; i < 10; i++) {" |
| 616 | " if (o.y != 239) throw 'oops: ' + o.y;" |
| 617 | // Now it should be ICed and keep a reference to y defined on |
| 618 | // field_holder. |
| 619 | "}" |
| 620 | "this.y = 42;" // Assign on a global. |
| 621 | "var result = 0;" |
| 622 | "for (var i = 0; i < 10; i++) {" |
| 623 | " result += o.y;" |
| 624 | "}" |
| 625 | "result;", |
| 626 | 42 * 10); |
| 627 | } |
| 628 | |
| 629 | |
| 630 | static void SetOnThis(Local<String> name, Local<Value> value, |
| 631 | const v8::PropertyCallbackInfo<void>& info) { |
| 632 | Local<Object>::Cast(info.This()) |
| 633 | ->CreateDataProperty(info.GetIsolate()->GetCurrentContext(), name, value) |
| 634 | .FromJust(); |
| 635 | } |
| 636 | |
| 637 | |
| 638 | THREADED_TEST(InterceptorLoadICWithCallbackOnHolder) { |
| 639 | v8::Isolate* isolate = CcTest::isolate(); |
| 640 | v8::HandleScope scope(isolate); |
| 641 | v8::Local<v8::ObjectTemplate> templ = ObjectTemplate::New(isolate); |
| 642 | templ->SetHandler( |
| 643 | v8::NamedPropertyHandlerConfiguration(InterceptorLoadXICGetter)); |
| 644 | templ->SetAccessor(v8_str("y"), Return239Callback); |
| 645 | LocalContext context; |
| 646 | context->Global() |
| 647 | ->Set(context.local(), v8_str("o"), |
| 648 | templ->NewInstance(context.local()).ToLocalChecked()) |
| 649 | .FromJust(); |
| 650 | |
| 651 | // Check the case when receiver and interceptor's holder |
| 652 | // are the same objects. |
| 653 | v8::Local<Value> value = CompileRun( |
| 654 | "var result = 0;" |
| 655 | "for (var i = 0; i < 7; i++) {" |
| 656 | " result = o.y;" |
| 657 | "}"); |
| 658 | CHECK_EQ(239, value->Int32Value(context.local()).FromJust()); |
| 659 | |
| 660 | // Check the case when interceptor's holder is in proto chain |
| 661 | // of receiver. |
| 662 | value = CompileRun( |
| 663 | "r = { __proto__: o };" |
| 664 | "var result = 0;" |
| 665 | "for (var i = 0; i < 7; i++) {" |
| 666 | " result = r.y;" |
| 667 | "}"); |
| 668 | CHECK_EQ(239, value->Int32Value(context.local()).FromJust()); |
| 669 | } |
| 670 | |
| 671 | |
| 672 | THREADED_TEST(InterceptorLoadICWithCallbackOnProto) { |
| 673 | v8::Isolate* isolate = CcTest::isolate(); |
| 674 | v8::HandleScope scope(isolate); |
| 675 | v8::Local<v8::ObjectTemplate> templ_o = ObjectTemplate::New(isolate); |
| 676 | templ_o->SetHandler( |
| 677 | v8::NamedPropertyHandlerConfiguration(InterceptorLoadXICGetter)); |
| 678 | v8::Local<v8::ObjectTemplate> templ_p = ObjectTemplate::New(isolate); |
| 679 | templ_p->SetAccessor(v8_str("y"), Return239Callback); |
| 680 | |
| 681 | LocalContext context; |
| 682 | context->Global() |
| 683 | ->Set(context.local(), v8_str("o"), |
| 684 | templ_o->NewInstance(context.local()).ToLocalChecked()) |
| 685 | .FromJust(); |
| 686 | context->Global() |
| 687 | ->Set(context.local(), v8_str("p"), |
| 688 | templ_p->NewInstance(context.local()).ToLocalChecked()) |
| 689 | .FromJust(); |
| 690 | |
| 691 | // Check the case when receiver and interceptor's holder |
| 692 | // are the same objects. |
| 693 | v8::Local<Value> value = CompileRun( |
| 694 | "o.__proto__ = p;" |
| 695 | "var result = 0;" |
| 696 | "for (var i = 0; i < 7; i++) {" |
| 697 | " result = o.x + o.y;" |
| 698 | "}"); |
| 699 | CHECK_EQ(239 + 42, value->Int32Value(context.local()).FromJust()); |
| 700 | |
| 701 | // Check the case when interceptor's holder is in proto chain |
| 702 | // of receiver. |
| 703 | value = CompileRun( |
| 704 | "r = { __proto__: o };" |
| 705 | "var result = 0;" |
| 706 | "for (var i = 0; i < 7; i++) {" |
| 707 | " result = r.x + r.y;" |
| 708 | "}"); |
| 709 | CHECK_EQ(239 + 42, value->Int32Value(context.local()).FromJust()); |
| 710 | } |
| 711 | |
| 712 | |
| 713 | THREADED_TEST(InterceptorLoadICForCallbackWithOverride) { |
| 714 | v8::Isolate* isolate = CcTest::isolate(); |
| 715 | v8::HandleScope scope(isolate); |
| 716 | v8::Local<v8::ObjectTemplate> templ = ObjectTemplate::New(isolate); |
| 717 | templ->SetHandler( |
| 718 | v8::NamedPropertyHandlerConfiguration(InterceptorLoadXICGetter)); |
| 719 | templ->SetAccessor(v8_str("y"), Return239Callback); |
| 720 | |
| 721 | LocalContext context; |
| 722 | context->Global() |
| 723 | ->Set(context.local(), v8_str("o"), |
| 724 | templ->NewInstance(context.local()).ToLocalChecked()) |
| 725 | .FromJust(); |
| 726 | |
| 727 | v8::Local<Value> value = CompileRun( |
| 728 | "fst = new Object(); fst.__proto__ = o;" |
| 729 | "snd = new Object(); snd.__proto__ = fst;" |
| 730 | "var result1 = 0;" |
| 731 | "for (var i = 0; i < 7; i++) {" |
| 732 | " result1 = snd.x;" |
| 733 | "}" |
| 734 | "fst.x = 239;" |
| 735 | "var result = 0;" |
| 736 | "for (var i = 0; i < 7; i++) {" |
| 737 | " result = snd.x;" |
| 738 | "}" |
| 739 | "result + result1"); |
| 740 | CHECK_EQ(239 + 42, value->Int32Value(context.local()).FromJust()); |
| 741 | } |
| 742 | |
| 743 | |
| 744 | // Test the case when we stored callback into |
| 745 | // a stub, but interceptor produced value on its own. |
| 746 | THREADED_TEST(InterceptorLoadICCallbackNotNeeded) { |
| 747 | v8::Isolate* isolate = CcTest::isolate(); |
| 748 | v8::HandleScope scope(isolate); |
| 749 | v8::Local<v8::ObjectTemplate> templ_o = ObjectTemplate::New(isolate); |
| 750 | templ_o->SetHandler( |
| 751 | v8::NamedPropertyHandlerConfiguration(InterceptorLoadXICGetter)); |
| 752 | v8::Local<v8::ObjectTemplate> templ_p = ObjectTemplate::New(isolate); |
| 753 | templ_p->SetAccessor(v8_str("y"), Return239Callback); |
| 754 | |
| 755 | LocalContext context; |
| 756 | context->Global() |
| 757 | ->Set(context.local(), v8_str("o"), |
| 758 | templ_o->NewInstance(context.local()).ToLocalChecked()) |
| 759 | .FromJust(); |
| 760 | context->Global() |
| 761 | ->Set(context.local(), v8_str("p"), |
| 762 | templ_p->NewInstance(context.local()).ToLocalChecked()) |
| 763 | .FromJust(); |
| 764 | |
| 765 | v8::Local<Value> value = CompileRun( |
| 766 | "o.__proto__ = p;" |
| 767 | "for (var i = 0; i < 7; i++) {" |
| 768 | " o.x;" |
| 769 | // Now it should be ICed and keep a reference to x defined on p |
| 770 | "}" |
| 771 | "var result = 0;" |
| 772 | "for (var i = 0; i < 7; i++) {" |
| 773 | " result += o.x;" |
| 774 | "}" |
| 775 | "result"); |
| 776 | CHECK_EQ(42 * 7, value->Int32Value(context.local()).FromJust()); |
| 777 | } |
| 778 | |
| 779 | |
| 780 | // Test the case when we stored callback into |
| 781 | // a stub, but it got invalidated later on. |
| 782 | THREADED_TEST(InterceptorLoadICInvalidatedCallback) { |
| 783 | v8::Isolate* isolate = CcTest::isolate(); |
| 784 | v8::HandleScope scope(isolate); |
| 785 | v8::Local<v8::ObjectTemplate> templ_o = ObjectTemplate::New(isolate); |
| 786 | templ_o->SetHandler( |
| 787 | v8::NamedPropertyHandlerConfiguration(InterceptorLoadXICGetter)); |
| 788 | v8::Local<v8::ObjectTemplate> templ_p = ObjectTemplate::New(isolate); |
| 789 | templ_p->SetAccessor(v8_str("y"), Return239Callback, SetOnThis); |
| 790 | |
| 791 | LocalContext context; |
| 792 | context->Global() |
| 793 | ->Set(context.local(), v8_str("o"), |
| 794 | templ_o->NewInstance(context.local()).ToLocalChecked()) |
| 795 | .FromJust(); |
| 796 | context->Global() |
| 797 | ->Set(context.local(), v8_str("p"), |
| 798 | templ_p->NewInstance(context.local()).ToLocalChecked()) |
| 799 | .FromJust(); |
| 800 | |
| 801 | v8::Local<Value> value = CompileRun( |
| 802 | "inbetween = new Object();" |
| 803 | "o.__proto__ = inbetween;" |
| 804 | "inbetween.__proto__ = p;" |
| 805 | "for (var i = 0; i < 10; i++) {" |
| 806 | " o.y;" |
| 807 | // Now it should be ICed and keep a reference to y defined on p |
| 808 | "}" |
| 809 | "inbetween.y = 42;" |
| 810 | "var result = 0;" |
| 811 | "for (var i = 0; i < 10; i++) {" |
| 812 | " result += o.y;" |
| 813 | "}" |
| 814 | "result"); |
| 815 | CHECK_EQ(42 * 10, value->Int32Value(context.local()).FromJust()); |
| 816 | } |
| 817 | |
| 818 | |
| 819 | // Test the case when we stored callback into |
| 820 | // a stub, but it got invalidated later on due to override on |
| 821 | // global object which is between interceptor and callbacks' holders. |
| 822 | THREADED_TEST(InterceptorLoadICInvalidatedCallbackViaGlobal) { |
| 823 | v8::Isolate* isolate = CcTest::isolate(); |
| 824 | v8::HandleScope scope(isolate); |
| 825 | v8::Local<v8::ObjectTemplate> templ_o = ObjectTemplate::New(isolate); |
| 826 | templ_o->SetHandler( |
| 827 | v8::NamedPropertyHandlerConfiguration(InterceptorLoadXICGetter)); |
| 828 | v8::Local<v8::ObjectTemplate> templ_p = ObjectTemplate::New(isolate); |
| 829 | templ_p->SetAccessor(v8_str("y"), Return239Callback, SetOnThis); |
| 830 | |
| 831 | LocalContext context; |
| 832 | context->Global() |
| 833 | ->Set(context.local(), v8_str("o"), |
| 834 | templ_o->NewInstance(context.local()).ToLocalChecked()) |
| 835 | .FromJust(); |
| 836 | context->Global() |
| 837 | ->Set(context.local(), v8_str("p"), |
| 838 | templ_p->NewInstance(context.local()).ToLocalChecked()) |
| 839 | .FromJust(); |
| 840 | |
| 841 | v8::Local<Value> value = CompileRun( |
| 842 | "o.__proto__ = this;" |
| 843 | "this.__proto__ = p;" |
| 844 | "for (var i = 0; i < 10; i++) {" |
| 845 | " if (o.y != 239) throw 'oops: ' + o.y;" |
| 846 | // Now it should be ICed and keep a reference to y defined on p |
| 847 | "}" |
| 848 | "this.y = 42;" |
| 849 | "var result = 0;" |
| 850 | "for (var i = 0; i < 10; i++) {" |
| 851 | " result += o.y;" |
| 852 | "}" |
| 853 | "result"); |
| 854 | CHECK_EQ(42 * 10, value->Int32Value(context.local()).FromJust()); |
| 855 | } |
| 856 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 857 | // Test load of a non-existing global when a global object has an interceptor. |
| 858 | THREADED_TEST(InterceptorLoadGlobalICGlobalWithInterceptor) { |
| 859 | v8::Isolate* isolate = CcTest::isolate(); |
| 860 | v8::HandleScope scope(isolate); |
| 861 | v8::Local<v8::ObjectTemplate> templ_global = v8::ObjectTemplate::New(isolate); |
| 862 | templ_global->SetHandler(v8::NamedPropertyHandlerConfiguration( |
| 863 | EmptyInterceptorGetter, EmptyInterceptorSetter)); |
| 864 | |
| 865 | LocalContext context(nullptr, templ_global); |
| 866 | i::Handle<i::JSReceiver> global_proxy = |
| 867 | v8::Utils::OpenHandle<Object, i::JSReceiver>(context->Global()); |
| 868 | CHECK(global_proxy->IsJSGlobalProxy()); |
| 869 | i::Handle<i::JSGlobalObject> global( |
| 870 | i::JSGlobalObject::cast(global_proxy->map()->prototype())); |
| 871 | CHECK(global->map()->has_named_interceptor()); |
| 872 | |
| 873 | v8::Local<Value> value = CompileRun( |
| 874 | "var f = function() { " |
| 875 | " try {" |
| 876 | " x1;" |
| 877 | " } catch(e) {" |
| 878 | " }" |
| 879 | " return typeof x1 === 'undefined';" |
| 880 | "};" |
| 881 | "for (var i = 0; i < 10; i++) {" |
| 882 | " f();" |
| 883 | "};" |
| 884 | "f();"); |
| 885 | CHECK_EQ(true, value->BooleanValue(context.local()).FromJust()); |
| 886 | |
| 887 | value = CompileRun( |
| 888 | "var f = function() { " |
| 889 | " try {" |
| 890 | " x2;" |
| 891 | " return false;" |
| 892 | " } catch(e) {" |
| 893 | " return true;" |
| 894 | " }" |
| 895 | "};" |
| 896 | "for (var i = 0; i < 10; i++) {" |
| 897 | " f();" |
| 898 | "};" |
| 899 | "f();"); |
| 900 | CHECK_EQ(true, value->BooleanValue(context.local()).FromJust()); |
| 901 | |
| 902 | value = CompileRun( |
| 903 | "var f = function() { " |
| 904 | " try {" |
| 905 | " typeof(x3);" |
| 906 | " return true;" |
| 907 | " } catch(e) {" |
| 908 | " return false;" |
| 909 | " }" |
| 910 | "};" |
| 911 | "for (var i = 0; i < 10; i++) {" |
| 912 | " f();" |
| 913 | "};" |
| 914 | "f();"); |
| 915 | CHECK_EQ(true, value->BooleanValue(context.local()).FromJust()); |
| 916 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 917 | |
| 918 | static void InterceptorLoadICGetter0( |
| 919 | Local<Name> name, const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 920 | ApiTestFuzzer::Fuzz(); |
| 921 | CHECK(v8_str("x") |
| 922 | ->Equals(info.GetIsolate()->GetCurrentContext(), name) |
| 923 | .FromJust()); |
| 924 | info.GetReturnValue().Set(v8::Integer::New(info.GetIsolate(), 0)); |
| 925 | } |
| 926 | |
| 927 | |
| 928 | THREADED_TEST(InterceptorReturningZero) { |
| 929 | CheckInterceptorLoadIC(InterceptorLoadICGetter0, "o.x == undefined ? 1 : 0", |
| 930 | 0); |
| 931 | } |
| 932 | |
| 933 | |
| 934 | static void InterceptorStoreICSetter( |
| 935 | Local<Name> key, Local<Value> value, |
| 936 | const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 937 | v8::Local<v8::Context> context = info.GetIsolate()->GetCurrentContext(); |
| 938 | CHECK(v8_str("x")->Equals(context, key).FromJust()); |
| 939 | CHECK_EQ(42, value->Int32Value(context).FromJust()); |
| 940 | info.GetReturnValue().Set(value); |
| 941 | } |
| 942 | |
| 943 | |
| 944 | // This test should hit the store IC for the interceptor case. |
| 945 | THREADED_TEST(InterceptorStoreIC) { |
| 946 | v8::Isolate* isolate = CcTest::isolate(); |
| 947 | v8::HandleScope scope(isolate); |
| 948 | v8::Local<v8::ObjectTemplate> templ = ObjectTemplate::New(isolate); |
| 949 | templ->SetHandler(v8::NamedPropertyHandlerConfiguration( |
| 950 | InterceptorLoadICGetter, InterceptorStoreICSetter, 0, 0, 0, |
| 951 | v8_str("data"))); |
| 952 | LocalContext context; |
| 953 | context->Global() |
| 954 | ->Set(context.local(), v8_str("o"), |
| 955 | templ->NewInstance(context.local()).ToLocalChecked()) |
| 956 | .FromJust(); |
| 957 | CompileRun( |
| 958 | "for (var i = 0; i < 1000; i++) {" |
| 959 | " o.x = 42;" |
| 960 | "}"); |
| 961 | } |
| 962 | |
| 963 | |
| 964 | THREADED_TEST(InterceptorStoreICWithNoSetter) { |
| 965 | v8::Isolate* isolate = CcTest::isolate(); |
| 966 | v8::HandleScope scope(isolate); |
| 967 | v8::Local<v8::ObjectTemplate> templ = ObjectTemplate::New(isolate); |
| 968 | templ->SetHandler( |
| 969 | v8::NamedPropertyHandlerConfiguration(InterceptorLoadXICGetter)); |
| 970 | LocalContext context; |
| 971 | context->Global() |
| 972 | ->Set(context.local(), v8_str("o"), |
| 973 | templ->NewInstance(context.local()).ToLocalChecked()) |
| 974 | .FromJust(); |
| 975 | v8::Local<Value> value = CompileRun( |
| 976 | "for (var i = 0; i < 1000; i++) {" |
| 977 | " o.y = 239;" |
| 978 | "}" |
| 979 | "42 + o.y"); |
| 980 | CHECK_EQ(239 + 42, value->Int32Value(context.local()).FromJust()); |
| 981 | } |
| 982 | |
| 983 | |
| 984 | THREADED_TEST(EmptyInterceptorDoesNotShadowAccessors) { |
| 985 | v8::HandleScope scope(CcTest::isolate()); |
| 986 | Local<FunctionTemplate> parent = FunctionTemplate::New(CcTest::isolate()); |
| 987 | Local<FunctionTemplate> child = FunctionTemplate::New(CcTest::isolate()); |
| 988 | child->Inherit(parent); |
| 989 | AddAccessor(parent, v8_str("age"), SimpleAccessorGetter, |
| 990 | SimpleAccessorSetter); |
| 991 | AddInterceptor(child, EmptyInterceptorGetter, EmptyInterceptorSetter); |
| 992 | LocalContext env; |
| 993 | env->Global() |
| 994 | ->Set(env.local(), v8_str("Child"), |
| 995 | child->GetFunction(env.local()).ToLocalChecked()) |
| 996 | .FromJust(); |
| 997 | CompileRun( |
| 998 | "var child = new Child;" |
| 999 | "child.age = 10;"); |
| 1000 | ExpectBoolean("child.hasOwnProperty('age')", false); |
| 1001 | ExpectInt32("child.age", 10); |
| 1002 | ExpectInt32("child.accessor_age", 10); |
| 1003 | } |
| 1004 | |
| 1005 | |
| 1006 | THREADED_TEST(LegacyInterceptorDoesNotSeeSymbols) { |
| 1007 | LocalContext env; |
| 1008 | v8::Isolate* isolate = CcTest::isolate(); |
| 1009 | v8::HandleScope scope(isolate); |
| 1010 | Local<FunctionTemplate> parent = FunctionTemplate::New(isolate); |
| 1011 | Local<FunctionTemplate> child = FunctionTemplate::New(isolate); |
| 1012 | v8::Local<v8::Symbol> age = v8::Symbol::New(isolate, v8_str("age")); |
| 1013 | |
| 1014 | child->Inherit(parent); |
| 1015 | AddAccessor(parent, age, SymbolAccessorGetter, SymbolAccessorSetter); |
| 1016 | AddInterceptor(child, StringInterceptorGetter, StringInterceptorSetter); |
| 1017 | |
| 1018 | env->Global() |
| 1019 | ->Set(env.local(), v8_str("Child"), |
| 1020 | child->GetFunction(env.local()).ToLocalChecked()) |
| 1021 | .FromJust(); |
| 1022 | env->Global()->Set(env.local(), v8_str("age"), age).FromJust(); |
| 1023 | CompileRun( |
| 1024 | "var child = new Child;" |
| 1025 | "child[age] = 10;"); |
| 1026 | ExpectInt32("child[age]", 10); |
| 1027 | ExpectBoolean("child.hasOwnProperty('age')", false); |
| 1028 | ExpectBoolean("child.hasOwnProperty('accessor_age')", true); |
| 1029 | } |
| 1030 | |
| 1031 | |
| 1032 | THREADED_TEST(GenericInterceptorDoesSeeSymbols) { |
| 1033 | LocalContext env; |
| 1034 | v8::Isolate* isolate = CcTest::isolate(); |
| 1035 | v8::HandleScope scope(isolate); |
| 1036 | Local<FunctionTemplate> parent = FunctionTemplate::New(isolate); |
| 1037 | Local<FunctionTemplate> child = FunctionTemplate::New(isolate); |
| 1038 | v8::Local<v8::Symbol> age = v8::Symbol::New(isolate, v8_str("age")); |
| 1039 | v8::Local<v8::Symbol> anon = v8::Symbol::New(isolate); |
| 1040 | |
| 1041 | child->Inherit(parent); |
| 1042 | AddAccessor(parent, age, SymbolAccessorGetter, SymbolAccessorSetter); |
| 1043 | AddInterceptor(child, GenericInterceptorGetter, GenericInterceptorSetter); |
| 1044 | |
| 1045 | env->Global() |
| 1046 | ->Set(env.local(), v8_str("Child"), |
| 1047 | child->GetFunction(env.local()).ToLocalChecked()) |
| 1048 | .FromJust(); |
| 1049 | env->Global()->Set(env.local(), v8_str("age"), age).FromJust(); |
| 1050 | env->Global()->Set(env.local(), v8_str("anon"), anon).FromJust(); |
| 1051 | CompileRun( |
| 1052 | "var child = new Child;" |
| 1053 | "child[age] = 10;"); |
| 1054 | ExpectInt32("child[age]", 10); |
| 1055 | ExpectInt32("child._sym_age", 10); |
| 1056 | |
| 1057 | // Check that it also sees strings. |
| 1058 | CompileRun("child.foo = 47"); |
| 1059 | ExpectInt32("child.foo", 47); |
| 1060 | ExpectInt32("child._str_foo", 47); |
| 1061 | |
| 1062 | // Check that the interceptor can punt (in this case, on anonymous symbols). |
| 1063 | CompileRun("child[anon] = 31337"); |
| 1064 | ExpectInt32("child[anon]", 31337); |
| 1065 | } |
| 1066 | |
| 1067 | |
| 1068 | THREADED_TEST(NamedPropertyHandlerGetter) { |
| 1069 | echo_named_call_count = 0; |
| 1070 | v8::HandleScope scope(CcTest::isolate()); |
| 1071 | v8::Local<v8::FunctionTemplate> templ = |
| 1072 | v8::FunctionTemplate::New(CcTest::isolate()); |
| 1073 | templ->InstanceTemplate()->SetHandler(v8::NamedPropertyHandlerConfiguration( |
| 1074 | EchoNamedProperty, 0, 0, 0, 0, v8_str("data"))); |
| 1075 | LocalContext env; |
| 1076 | env->Global() |
| 1077 | ->Set(env.local(), v8_str("obj"), templ->GetFunction(env.local()) |
| 1078 | .ToLocalChecked() |
| 1079 | ->NewInstance(env.local()) |
| 1080 | .ToLocalChecked()) |
| 1081 | .FromJust(); |
| 1082 | CHECK_EQ(echo_named_call_count, 0); |
| 1083 | v8_compile("obj.x")->Run(env.local()).ToLocalChecked(); |
| 1084 | CHECK_EQ(echo_named_call_count, 1); |
| 1085 | const char* code = "var str = 'oddle'; obj[str] + obj.poddle;"; |
| 1086 | v8::Local<Value> str = CompileRun(code); |
| 1087 | String::Utf8Value value(str); |
| 1088 | CHECK_EQ(0, strcmp(*value, "oddlepoddle")); |
| 1089 | // Check default behavior |
| 1090 | CHECK_EQ(10, v8_compile("obj.flob = 10;") |
| 1091 | ->Run(env.local()) |
| 1092 | .ToLocalChecked() |
| 1093 | ->Int32Value(env.local()) |
| 1094 | .FromJust()); |
| 1095 | CHECK(v8_compile("'myProperty' in obj") |
| 1096 | ->Run(env.local()) |
| 1097 | .ToLocalChecked() |
| 1098 | ->BooleanValue(env.local()) |
| 1099 | .FromJust()); |
| 1100 | CHECK(v8_compile("delete obj.myProperty") |
| 1101 | ->Run(env.local()) |
| 1102 | .ToLocalChecked() |
| 1103 | ->BooleanValue(env.local()) |
| 1104 | .FromJust()); |
| 1105 | } |
| 1106 | |
| 1107 | |
| 1108 | int echo_indexed_call_count = 0; |
| 1109 | |
| 1110 | |
| 1111 | static void EchoIndexedProperty( |
| 1112 | uint32_t index, const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 1113 | ApiTestFuzzer::Fuzz(); |
| 1114 | CHECK(v8_num(637) |
| 1115 | ->Equals(info.GetIsolate()->GetCurrentContext(), info.Data()) |
| 1116 | .FromJust()); |
| 1117 | echo_indexed_call_count++; |
| 1118 | info.GetReturnValue().Set(v8_num(index)); |
| 1119 | } |
| 1120 | |
| 1121 | |
| 1122 | THREADED_TEST(IndexedPropertyHandlerGetter) { |
| 1123 | v8::Isolate* isolate = CcTest::isolate(); |
| 1124 | v8::HandleScope scope(isolate); |
| 1125 | v8::Local<v8::FunctionTemplate> templ = v8::FunctionTemplate::New(isolate); |
| 1126 | templ->InstanceTemplate()->SetHandler(v8::IndexedPropertyHandlerConfiguration( |
| 1127 | EchoIndexedProperty, 0, 0, 0, 0, v8_num(637))); |
| 1128 | LocalContext env; |
| 1129 | env->Global() |
| 1130 | ->Set(env.local(), v8_str("obj"), templ->GetFunction(env.local()) |
| 1131 | .ToLocalChecked() |
| 1132 | ->NewInstance(env.local()) |
| 1133 | .ToLocalChecked()) |
| 1134 | .FromJust(); |
| 1135 | Local<Script> script = v8_compile("obj[900]"); |
| 1136 | CHECK_EQ(script->Run(env.local()) |
| 1137 | .ToLocalChecked() |
| 1138 | ->Int32Value(env.local()) |
| 1139 | .FromJust(), |
| 1140 | 900); |
| 1141 | } |
| 1142 | |
| 1143 | |
| 1144 | THREADED_TEST(PropertyHandlerInPrototype) { |
| 1145 | LocalContext env; |
| 1146 | v8::Isolate* isolate = env->GetIsolate(); |
| 1147 | v8::HandleScope scope(isolate); |
| 1148 | |
| 1149 | // Set up a prototype chain with three interceptors. |
| 1150 | v8::Local<v8::FunctionTemplate> templ = v8::FunctionTemplate::New(isolate); |
| 1151 | templ->InstanceTemplate()->SetHandler(v8::IndexedPropertyHandlerConfiguration( |
| 1152 | CheckThisIndexedPropertyHandler, CheckThisIndexedPropertySetter, |
| 1153 | CheckThisIndexedPropertyQuery, CheckThisIndexedPropertyDeleter, |
| 1154 | CheckThisIndexedPropertyEnumerator)); |
| 1155 | |
| 1156 | templ->InstanceTemplate()->SetHandler(v8::NamedPropertyHandlerConfiguration( |
| 1157 | CheckThisNamedPropertyHandler, CheckThisNamedPropertySetter, |
| 1158 | CheckThisNamedPropertyQuery, CheckThisNamedPropertyDeleter, |
| 1159 | CheckThisNamedPropertyEnumerator)); |
| 1160 | |
| 1161 | bottom = templ->GetFunction(env.local()) |
| 1162 | .ToLocalChecked() |
| 1163 | ->NewInstance(env.local()) |
| 1164 | .ToLocalChecked(); |
| 1165 | Local<v8::Object> top = templ->GetFunction(env.local()) |
| 1166 | .ToLocalChecked() |
| 1167 | ->NewInstance(env.local()) |
| 1168 | .ToLocalChecked(); |
| 1169 | Local<v8::Object> middle = templ->GetFunction(env.local()) |
| 1170 | .ToLocalChecked() |
| 1171 | ->NewInstance(env.local()) |
| 1172 | .ToLocalChecked(); |
| 1173 | |
| 1174 | bottom->SetPrototype(env.local(), middle).FromJust(); |
| 1175 | middle->SetPrototype(env.local(), top).FromJust(); |
| 1176 | env->Global()->Set(env.local(), v8_str("obj"), bottom).FromJust(); |
| 1177 | |
| 1178 | // Indexed and named get. |
| 1179 | CompileRun("obj[0]"); |
| 1180 | CompileRun("obj.x"); |
| 1181 | |
| 1182 | // Indexed and named set. |
| 1183 | CompileRun("obj[1] = 42"); |
| 1184 | CompileRun("obj.y = 42"); |
| 1185 | |
| 1186 | // Indexed and named query. |
| 1187 | CompileRun("0 in obj"); |
| 1188 | CompileRun("'x' in obj"); |
| 1189 | |
| 1190 | // Indexed and named deleter. |
| 1191 | CompileRun("delete obj[0]"); |
| 1192 | CompileRun("delete obj.x"); |
| 1193 | |
| 1194 | // Enumerators. |
| 1195 | CompileRun("for (var p in obj) ;"); |
| 1196 | } |
| 1197 | |
| 1198 | |
| 1199 | bool is_bootstrapping = false; |
| 1200 | static void PrePropertyHandlerGet( |
| 1201 | Local<Name> key, const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 1202 | ApiTestFuzzer::Fuzz(); |
| 1203 | if (!is_bootstrapping && |
| 1204 | v8_str("pre") |
| 1205 | ->Equals(info.GetIsolate()->GetCurrentContext(), key) |
| 1206 | .FromJust()) { |
| 1207 | info.GetReturnValue().Set(v8_str("PrePropertyHandler: pre")); |
| 1208 | } |
| 1209 | } |
| 1210 | |
| 1211 | |
| 1212 | static void PrePropertyHandlerQuery( |
| 1213 | Local<Name> key, const v8::PropertyCallbackInfo<v8::Integer>& info) { |
| 1214 | if (!is_bootstrapping && |
| 1215 | v8_str("pre") |
| 1216 | ->Equals(info.GetIsolate()->GetCurrentContext(), key) |
| 1217 | .FromJust()) { |
| 1218 | info.GetReturnValue().Set(static_cast<int32_t>(v8::None)); |
| 1219 | } |
| 1220 | } |
| 1221 | |
| 1222 | |
| 1223 | THREADED_TEST(PrePropertyHandler) { |
| 1224 | v8::Isolate* isolate = CcTest::isolate(); |
| 1225 | v8::HandleScope scope(isolate); |
| 1226 | v8::Local<v8::FunctionTemplate> desc = v8::FunctionTemplate::New(isolate); |
| 1227 | desc->InstanceTemplate()->SetHandler(v8::NamedPropertyHandlerConfiguration( |
| 1228 | PrePropertyHandlerGet, 0, PrePropertyHandlerQuery)); |
| 1229 | is_bootstrapping = true; |
| 1230 | LocalContext env(NULL, desc->InstanceTemplate()); |
| 1231 | is_bootstrapping = false; |
| 1232 | CompileRun("var pre = 'Object: pre'; var on = 'Object: on';"); |
| 1233 | v8::Local<Value> result_pre = CompileRun("pre"); |
| 1234 | CHECK(v8_str("PrePropertyHandler: pre") |
| 1235 | ->Equals(env.local(), result_pre) |
| 1236 | .FromJust()); |
| 1237 | v8::Local<Value> result_on = CompileRun("on"); |
| 1238 | CHECK(v8_str("Object: on")->Equals(env.local(), result_on).FromJust()); |
| 1239 | v8::Local<Value> result_post = CompileRun("post"); |
| 1240 | CHECK(result_post.IsEmpty()); |
| 1241 | } |
| 1242 | |
| 1243 | |
| 1244 | THREADED_TEST(EmptyInterceptorBreakTransitions) { |
| 1245 | v8::HandleScope scope(CcTest::isolate()); |
| 1246 | Local<FunctionTemplate> templ = FunctionTemplate::New(CcTest::isolate()); |
| 1247 | AddInterceptor(templ, EmptyInterceptorGetter, EmptyInterceptorSetter); |
| 1248 | LocalContext env; |
| 1249 | env->Global() |
| 1250 | ->Set(env.local(), v8_str("Constructor"), |
| 1251 | templ->GetFunction(env.local()).ToLocalChecked()) |
| 1252 | .FromJust(); |
| 1253 | CompileRun( |
| 1254 | "var o1 = new Constructor;" |
| 1255 | "o1.a = 1;" // Ensure a and x share the descriptor array. |
| 1256 | "Object.defineProperty(o1, 'x', {value: 10});"); |
| 1257 | CompileRun( |
| 1258 | "var o2 = new Constructor;" |
| 1259 | "o2.a = 1;" |
| 1260 | "Object.defineProperty(o2, 'x', {value: 10});"); |
| 1261 | } |
| 1262 | |
| 1263 | |
| 1264 | THREADED_TEST(EmptyInterceptorDoesNotShadowJSAccessors) { |
| 1265 | v8::Isolate* isolate = CcTest::isolate(); |
| 1266 | v8::HandleScope scope(isolate); |
| 1267 | Local<FunctionTemplate> parent = FunctionTemplate::New(isolate); |
| 1268 | Local<FunctionTemplate> child = FunctionTemplate::New(isolate); |
| 1269 | child->Inherit(parent); |
| 1270 | AddInterceptor(child, EmptyInterceptorGetter, EmptyInterceptorSetter); |
| 1271 | LocalContext env; |
| 1272 | env->Global() |
| 1273 | ->Set(env.local(), v8_str("Child"), |
| 1274 | child->GetFunction(env.local()).ToLocalChecked()) |
| 1275 | .FromJust(); |
| 1276 | CompileRun( |
| 1277 | "var child = new Child;" |
| 1278 | "var parent = child.__proto__;" |
| 1279 | "Object.defineProperty(parent, 'age', " |
| 1280 | " {get: function(){ return this.accessor_age; }, " |
| 1281 | " set: function(v){ this.accessor_age = v; }, " |
| 1282 | " enumerable: true, configurable: true});" |
| 1283 | "child.age = 10;"); |
| 1284 | ExpectBoolean("child.hasOwnProperty('age')", false); |
| 1285 | ExpectInt32("child.age", 10); |
| 1286 | ExpectInt32("child.accessor_age", 10); |
| 1287 | } |
| 1288 | |
| 1289 | |
| 1290 | THREADED_TEST(EmptyInterceptorDoesNotShadowApiAccessors) { |
| 1291 | v8::Isolate* isolate = CcTest::isolate(); |
| 1292 | v8::HandleScope scope(isolate); |
| 1293 | Local<FunctionTemplate> parent = FunctionTemplate::New(isolate); |
| 1294 | auto returns_42 = FunctionTemplate::New(isolate, Returns42); |
| 1295 | parent->PrototypeTemplate()->SetAccessorProperty(v8_str("age"), returns_42); |
| 1296 | Local<FunctionTemplate> child = FunctionTemplate::New(isolate); |
| 1297 | child->Inherit(parent); |
| 1298 | AddInterceptor(child, EmptyInterceptorGetter, EmptyInterceptorSetter); |
| 1299 | LocalContext env; |
| 1300 | env->Global() |
| 1301 | ->Set(env.local(), v8_str("Child"), |
| 1302 | child->GetFunction(env.local()).ToLocalChecked()) |
| 1303 | .FromJust(); |
| 1304 | CompileRun( |
| 1305 | "var child = new Child;" |
| 1306 | "var parent = child.__proto__;"); |
| 1307 | ExpectBoolean("child.hasOwnProperty('age')", false); |
| 1308 | ExpectInt32("child.age", 42); |
| 1309 | // Check interceptor followup. |
| 1310 | ExpectInt32( |
| 1311 | "var result;" |
| 1312 | "for (var i = 0; i < 4; ++i) {" |
| 1313 | " result = child.age;" |
| 1314 | "}" |
| 1315 | "result", |
| 1316 | 42); |
| 1317 | } |
| 1318 | |
| 1319 | |
| 1320 | THREADED_TEST(EmptyInterceptorDoesNotAffectJSProperties) { |
| 1321 | v8::Isolate* isolate = CcTest::isolate(); |
| 1322 | v8::HandleScope scope(isolate); |
| 1323 | Local<FunctionTemplate> parent = FunctionTemplate::New(isolate); |
| 1324 | Local<FunctionTemplate> child = FunctionTemplate::New(isolate); |
| 1325 | child->Inherit(parent); |
| 1326 | AddInterceptor(child, EmptyInterceptorGetter, EmptyInterceptorSetter); |
| 1327 | LocalContext env; |
| 1328 | env->Global() |
| 1329 | ->Set(env.local(), v8_str("Child"), |
| 1330 | child->GetFunction(env.local()).ToLocalChecked()) |
| 1331 | .FromJust(); |
| 1332 | CompileRun( |
| 1333 | "var child = new Child;" |
| 1334 | "var parent = child.__proto__;" |
| 1335 | "parent.name = 'Alice';"); |
| 1336 | ExpectBoolean("child.hasOwnProperty('name')", false); |
| 1337 | ExpectString("child.name", "Alice"); |
| 1338 | CompileRun("child.name = 'Bob';"); |
| 1339 | ExpectString("child.name", "Bob"); |
| 1340 | ExpectBoolean("child.hasOwnProperty('name')", true); |
| 1341 | ExpectString("parent.name", "Alice"); |
| 1342 | } |
| 1343 | |
| 1344 | |
| 1345 | THREADED_TEST(SwitchFromInterceptorToAccessor) { |
| 1346 | v8::HandleScope scope(CcTest::isolate()); |
| 1347 | Local<FunctionTemplate> templ = FunctionTemplate::New(CcTest::isolate()); |
| 1348 | AddAccessor(templ, v8_str("age"), SimpleAccessorGetter, SimpleAccessorSetter); |
| 1349 | AddInterceptor(templ, InterceptorGetter, InterceptorSetter); |
| 1350 | LocalContext env; |
| 1351 | env->Global() |
| 1352 | ->Set(env.local(), v8_str("Obj"), |
| 1353 | templ->GetFunction(env.local()).ToLocalChecked()) |
| 1354 | .FromJust(); |
| 1355 | CompileRun( |
| 1356 | "var obj = new Obj;" |
| 1357 | "function setAge(i){ obj.age = i; };" |
| 1358 | "for(var i = 0; i <= 10000; i++) setAge(i);"); |
| 1359 | // All i < 10000 go to the interceptor. |
| 1360 | ExpectInt32("obj.interceptor_age", 9999); |
| 1361 | // The last i goes to the accessor. |
| 1362 | ExpectInt32("obj.accessor_age", 10000); |
| 1363 | } |
| 1364 | |
| 1365 | |
| 1366 | THREADED_TEST(SwitchFromAccessorToInterceptor) { |
| 1367 | v8::HandleScope scope(CcTest::isolate()); |
| 1368 | Local<FunctionTemplate> templ = FunctionTemplate::New(CcTest::isolate()); |
| 1369 | AddAccessor(templ, v8_str("age"), SimpleAccessorGetter, SimpleAccessorSetter); |
| 1370 | AddInterceptor(templ, InterceptorGetter, InterceptorSetter); |
| 1371 | LocalContext env; |
| 1372 | env->Global() |
| 1373 | ->Set(env.local(), v8_str("Obj"), |
| 1374 | templ->GetFunction(env.local()).ToLocalChecked()) |
| 1375 | .FromJust(); |
| 1376 | CompileRun( |
| 1377 | "var obj = new Obj;" |
| 1378 | "function setAge(i){ obj.age = i; };" |
| 1379 | "for(var i = 20000; i >= 9999; i--) setAge(i);"); |
| 1380 | // All i >= 10000 go to the accessor. |
| 1381 | ExpectInt32("obj.accessor_age", 10000); |
| 1382 | // The last i goes to the interceptor. |
| 1383 | ExpectInt32("obj.interceptor_age", 9999); |
| 1384 | } |
| 1385 | |
| 1386 | |
| 1387 | THREADED_TEST(SwitchFromInterceptorToAccessorWithInheritance) { |
| 1388 | v8::HandleScope scope(CcTest::isolate()); |
| 1389 | Local<FunctionTemplate> parent = FunctionTemplate::New(CcTest::isolate()); |
| 1390 | Local<FunctionTemplate> child = FunctionTemplate::New(CcTest::isolate()); |
| 1391 | child->Inherit(parent); |
| 1392 | AddAccessor(parent, v8_str("age"), SimpleAccessorGetter, |
| 1393 | SimpleAccessorSetter); |
| 1394 | AddInterceptor(child, InterceptorGetter, InterceptorSetter); |
| 1395 | LocalContext env; |
| 1396 | env->Global() |
| 1397 | ->Set(env.local(), v8_str("Child"), |
| 1398 | child->GetFunction(env.local()).ToLocalChecked()) |
| 1399 | .FromJust(); |
| 1400 | CompileRun( |
| 1401 | "var child = new Child;" |
| 1402 | "function setAge(i){ child.age = i; };" |
| 1403 | "for(var i = 0; i <= 10000; i++) setAge(i);"); |
| 1404 | // All i < 10000 go to the interceptor. |
| 1405 | ExpectInt32("child.interceptor_age", 9999); |
| 1406 | // The last i goes to the accessor. |
| 1407 | ExpectInt32("child.accessor_age", 10000); |
| 1408 | } |
| 1409 | |
| 1410 | |
| 1411 | THREADED_TEST(SwitchFromAccessorToInterceptorWithInheritance) { |
| 1412 | v8::HandleScope scope(CcTest::isolate()); |
| 1413 | Local<FunctionTemplate> parent = FunctionTemplate::New(CcTest::isolate()); |
| 1414 | Local<FunctionTemplate> child = FunctionTemplate::New(CcTest::isolate()); |
| 1415 | child->Inherit(parent); |
| 1416 | AddAccessor(parent, v8_str("age"), SimpleAccessorGetter, |
| 1417 | SimpleAccessorSetter); |
| 1418 | AddInterceptor(child, InterceptorGetter, InterceptorSetter); |
| 1419 | LocalContext env; |
| 1420 | env->Global() |
| 1421 | ->Set(env.local(), v8_str("Child"), |
| 1422 | child->GetFunction(env.local()).ToLocalChecked()) |
| 1423 | .FromJust(); |
| 1424 | CompileRun( |
| 1425 | "var child = new Child;" |
| 1426 | "function setAge(i){ child.age = i; };" |
| 1427 | "for(var i = 20000; i >= 9999; i--) setAge(i);"); |
| 1428 | // All i >= 10000 go to the accessor. |
| 1429 | ExpectInt32("child.accessor_age", 10000); |
| 1430 | // The last i goes to the interceptor. |
| 1431 | ExpectInt32("child.interceptor_age", 9999); |
| 1432 | } |
| 1433 | |
| 1434 | |
| 1435 | THREADED_TEST(SwitchFromInterceptorToJSAccessor) { |
| 1436 | v8::HandleScope scope(CcTest::isolate()); |
| 1437 | Local<FunctionTemplate> templ = FunctionTemplate::New(CcTest::isolate()); |
| 1438 | AddInterceptor(templ, InterceptorGetter, InterceptorSetter); |
| 1439 | LocalContext env; |
| 1440 | env->Global() |
| 1441 | ->Set(env.local(), v8_str("Obj"), |
| 1442 | templ->GetFunction(env.local()).ToLocalChecked()) |
| 1443 | .FromJust(); |
| 1444 | CompileRun( |
| 1445 | "var obj = new Obj;" |
| 1446 | "function setter(i) { this.accessor_age = i; };" |
| 1447 | "function getter() { return this.accessor_age; };" |
| 1448 | "function setAge(i) { obj.age = i; };" |
| 1449 | "Object.defineProperty(obj, 'age', { get:getter, set:setter });" |
| 1450 | "for(var i = 0; i <= 10000; i++) setAge(i);"); |
| 1451 | // All i < 10000 go to the interceptor. |
| 1452 | ExpectInt32("obj.interceptor_age", 9999); |
| 1453 | // The last i goes to the JavaScript accessor. |
| 1454 | ExpectInt32("obj.accessor_age", 10000); |
| 1455 | // The installed JavaScript getter is still intact. |
| 1456 | // This last part is a regression test for issue 1651 and relies on the fact |
| 1457 | // that both interceptor and accessor are being installed on the same object. |
| 1458 | ExpectInt32("obj.age", 10000); |
| 1459 | ExpectBoolean("obj.hasOwnProperty('age')", true); |
| 1460 | ExpectUndefined("Object.getOwnPropertyDescriptor(obj, 'age').value"); |
| 1461 | } |
| 1462 | |
| 1463 | |
| 1464 | THREADED_TEST(SwitchFromJSAccessorToInterceptor) { |
| 1465 | v8::HandleScope scope(CcTest::isolate()); |
| 1466 | Local<FunctionTemplate> templ = FunctionTemplate::New(CcTest::isolate()); |
| 1467 | AddInterceptor(templ, InterceptorGetter, InterceptorSetter); |
| 1468 | LocalContext env; |
| 1469 | env->Global() |
| 1470 | ->Set(env.local(), v8_str("Obj"), |
| 1471 | templ->GetFunction(env.local()).ToLocalChecked()) |
| 1472 | .FromJust(); |
| 1473 | CompileRun( |
| 1474 | "var obj = new Obj;" |
| 1475 | "function setter(i) { this.accessor_age = i; };" |
| 1476 | "function getter() { return this.accessor_age; };" |
| 1477 | "function setAge(i) { obj.age = i; };" |
| 1478 | "Object.defineProperty(obj, 'age', { get:getter, set:setter });" |
| 1479 | "for(var i = 20000; i >= 9999; i--) setAge(i);"); |
| 1480 | // All i >= 10000 go to the accessor. |
| 1481 | ExpectInt32("obj.accessor_age", 10000); |
| 1482 | // The last i goes to the interceptor. |
| 1483 | ExpectInt32("obj.interceptor_age", 9999); |
| 1484 | // The installed JavaScript getter is still intact. |
| 1485 | // This last part is a regression test for issue 1651 and relies on the fact |
| 1486 | // that both interceptor and accessor are being installed on the same object. |
| 1487 | ExpectInt32("obj.age", 10000); |
| 1488 | ExpectBoolean("obj.hasOwnProperty('age')", true); |
| 1489 | ExpectUndefined("Object.getOwnPropertyDescriptor(obj, 'age').value"); |
| 1490 | } |
| 1491 | |
| 1492 | |
| 1493 | THREADED_TEST(SwitchFromInterceptorToProperty) { |
| 1494 | v8::HandleScope scope(CcTest::isolate()); |
| 1495 | Local<FunctionTemplate> parent = FunctionTemplate::New(CcTest::isolate()); |
| 1496 | Local<FunctionTemplate> child = FunctionTemplate::New(CcTest::isolate()); |
| 1497 | child->Inherit(parent); |
| 1498 | AddInterceptor(child, InterceptorGetter, InterceptorSetter); |
| 1499 | LocalContext env; |
| 1500 | env->Global() |
| 1501 | ->Set(env.local(), v8_str("Child"), |
| 1502 | child->GetFunction(env.local()).ToLocalChecked()) |
| 1503 | .FromJust(); |
| 1504 | CompileRun( |
| 1505 | "var child = new Child;" |
| 1506 | "function setAge(i){ child.age = i; };" |
| 1507 | "for(var i = 0; i <= 10000; i++) setAge(i);"); |
| 1508 | // All i < 10000 go to the interceptor. |
| 1509 | ExpectInt32("child.interceptor_age", 9999); |
| 1510 | // The last i goes to child's own property. |
| 1511 | ExpectInt32("child.age", 10000); |
| 1512 | } |
| 1513 | |
| 1514 | |
| 1515 | THREADED_TEST(SwitchFromPropertyToInterceptor) { |
| 1516 | v8::HandleScope scope(CcTest::isolate()); |
| 1517 | Local<FunctionTemplate> parent = FunctionTemplate::New(CcTest::isolate()); |
| 1518 | Local<FunctionTemplate> child = FunctionTemplate::New(CcTest::isolate()); |
| 1519 | child->Inherit(parent); |
| 1520 | AddInterceptor(child, InterceptorGetter, InterceptorSetter); |
| 1521 | LocalContext env; |
| 1522 | env->Global() |
| 1523 | ->Set(env.local(), v8_str("Child"), |
| 1524 | child->GetFunction(env.local()).ToLocalChecked()) |
| 1525 | .FromJust(); |
| 1526 | CompileRun( |
| 1527 | "var child = new Child;" |
| 1528 | "function setAge(i){ child.age = i; };" |
| 1529 | "for(var i = 20000; i >= 9999; i--) setAge(i);"); |
| 1530 | // All i >= 10000 go to child's own property. |
| 1531 | ExpectInt32("child.age", 10000); |
| 1532 | // The last i goes to the interceptor. |
| 1533 | ExpectInt32("child.interceptor_age", 9999); |
| 1534 | } |
| 1535 | |
| 1536 | |
| 1537 | static bool interceptor_for_hidden_properties_called; |
| 1538 | static void InterceptorForHiddenProperties( |
| 1539 | Local<Name> name, const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 1540 | interceptor_for_hidden_properties_called = true; |
| 1541 | } |
| 1542 | |
| 1543 | |
| 1544 | THREADED_TEST(HiddenPropertiesWithInterceptors) { |
| 1545 | LocalContext context; |
| 1546 | v8::Isolate* isolate = context->GetIsolate(); |
| 1547 | v8::HandleScope scope(isolate); |
| 1548 | |
| 1549 | interceptor_for_hidden_properties_called = false; |
| 1550 | |
| 1551 | v8::Local<v8::Private> key = |
| 1552 | v8::Private::New(isolate, v8_str("api-test::hidden-key")); |
| 1553 | |
| 1554 | // Associate an interceptor with an object and start setting hidden values. |
| 1555 | Local<v8::FunctionTemplate> fun_templ = v8::FunctionTemplate::New(isolate); |
| 1556 | Local<v8::ObjectTemplate> instance_templ = fun_templ->InstanceTemplate(); |
| 1557 | instance_templ->SetHandler( |
| 1558 | v8::NamedPropertyHandlerConfiguration(InterceptorForHiddenProperties)); |
| 1559 | Local<v8::Function> function = |
| 1560 | fun_templ->GetFunction(context.local()).ToLocalChecked(); |
| 1561 | Local<v8::Object> obj = |
| 1562 | function->NewInstance(context.local()).ToLocalChecked(); |
| 1563 | CHECK(obj->SetPrivate(context.local(), key, v8::Integer::New(isolate, 2302)) |
| 1564 | .FromJust()); |
| 1565 | CHECK_EQ(2302, obj->GetPrivate(context.local(), key) |
| 1566 | .ToLocalChecked() |
| 1567 | ->Int32Value(context.local()) |
| 1568 | .FromJust()); |
| 1569 | CHECK(!interceptor_for_hidden_properties_called); |
| 1570 | } |
| 1571 | |
| 1572 | |
| 1573 | static void XPropertyGetter(Local<Name> property, |
| 1574 | const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 1575 | ApiTestFuzzer::Fuzz(); |
| 1576 | CHECK(info.Data()->IsUndefined()); |
| 1577 | info.GetReturnValue().Set(property); |
| 1578 | } |
| 1579 | |
| 1580 | |
| 1581 | THREADED_TEST(NamedInterceptorPropertyRead) { |
| 1582 | v8::Isolate* isolate = CcTest::isolate(); |
| 1583 | v8::HandleScope scope(isolate); |
| 1584 | Local<ObjectTemplate> templ = ObjectTemplate::New(isolate); |
| 1585 | templ->SetHandler(v8::NamedPropertyHandlerConfiguration(XPropertyGetter)); |
| 1586 | LocalContext context; |
| 1587 | context->Global() |
| 1588 | ->Set(context.local(), v8_str("obj"), |
| 1589 | templ->NewInstance(context.local()).ToLocalChecked()) |
| 1590 | .FromJust(); |
| 1591 | Local<Script> script = v8_compile("obj.x"); |
| 1592 | for (int i = 0; i < 10; i++) { |
| 1593 | Local<Value> result = script->Run(context.local()).ToLocalChecked(); |
| 1594 | CHECK(result->Equals(context.local(), v8_str("x")).FromJust()); |
| 1595 | } |
| 1596 | } |
| 1597 | |
| 1598 | |
| 1599 | THREADED_TEST(NamedInterceptorDictionaryIC) { |
| 1600 | v8::Isolate* isolate = CcTest::isolate(); |
| 1601 | v8::HandleScope scope(isolate); |
| 1602 | Local<ObjectTemplate> templ = ObjectTemplate::New(isolate); |
| 1603 | templ->SetHandler(v8::NamedPropertyHandlerConfiguration(XPropertyGetter)); |
| 1604 | LocalContext context; |
| 1605 | // Create an object with a named interceptor. |
| 1606 | context->Global() |
| 1607 | ->Set(context.local(), v8_str("interceptor_obj"), |
| 1608 | templ->NewInstance(context.local()).ToLocalChecked()) |
| 1609 | .FromJust(); |
| 1610 | Local<Script> script = v8_compile("interceptor_obj.x"); |
| 1611 | for (int i = 0; i < 10; i++) { |
| 1612 | Local<Value> result = script->Run(context.local()).ToLocalChecked(); |
| 1613 | CHECK(result->Equals(context.local(), v8_str("x")).FromJust()); |
| 1614 | } |
| 1615 | // Create a slow case object and a function accessing a property in |
| 1616 | // that slow case object (with dictionary probing in generated |
| 1617 | // code). Then force object with a named interceptor into slow-case, |
| 1618 | // pass it to the function, and check that the interceptor is called |
| 1619 | // instead of accessing the local property. |
| 1620 | Local<Value> result = CompileRun( |
| 1621 | "function get_x(o) { return o.x; };" |
| 1622 | "var obj = { x : 42, y : 0 };" |
| 1623 | "delete obj.y;" |
| 1624 | "for (var i = 0; i < 10; i++) get_x(obj);" |
| 1625 | "interceptor_obj.x = 42;" |
| 1626 | "interceptor_obj.y = 10;" |
| 1627 | "delete interceptor_obj.y;" |
| 1628 | "get_x(interceptor_obj)"); |
| 1629 | CHECK(result->Equals(context.local(), v8_str("x")).FromJust()); |
| 1630 | } |
| 1631 | |
| 1632 | |
| 1633 | THREADED_TEST(NamedInterceptorDictionaryICMultipleContext) { |
| 1634 | v8::Isolate* isolate = CcTest::isolate(); |
| 1635 | v8::HandleScope scope(isolate); |
| 1636 | v8::Local<Context> context1 = Context::New(isolate); |
| 1637 | |
| 1638 | context1->Enter(); |
| 1639 | Local<ObjectTemplate> templ = ObjectTemplate::New(isolate); |
| 1640 | templ->SetHandler(v8::NamedPropertyHandlerConfiguration(XPropertyGetter)); |
| 1641 | // Create an object with a named interceptor. |
| 1642 | v8::Local<v8::Object> object = templ->NewInstance(context1).ToLocalChecked(); |
| 1643 | context1->Global() |
| 1644 | ->Set(context1, v8_str("interceptor_obj"), object) |
| 1645 | .FromJust(); |
| 1646 | |
| 1647 | // Force the object into the slow case. |
| 1648 | CompileRun( |
| 1649 | "interceptor_obj.y = 0;" |
| 1650 | "delete interceptor_obj.y;"); |
| 1651 | context1->Exit(); |
| 1652 | |
| 1653 | { |
| 1654 | // Introduce the object into a different context. |
| 1655 | // Repeat named loads to exercise ICs. |
| 1656 | LocalContext context2; |
| 1657 | context2->Global() |
| 1658 | ->Set(context2.local(), v8_str("interceptor_obj"), object) |
| 1659 | .FromJust(); |
| 1660 | Local<Value> result = CompileRun( |
| 1661 | "function get_x(o) { return o.x; }" |
| 1662 | "interceptor_obj.x = 42;" |
| 1663 | "for (var i=0; i != 10; i++) {" |
| 1664 | " get_x(interceptor_obj);" |
| 1665 | "}" |
| 1666 | "get_x(interceptor_obj)"); |
| 1667 | // Check that the interceptor was actually invoked. |
| 1668 | CHECK(result->Equals(context2.local(), v8_str("x")).FromJust()); |
| 1669 | } |
| 1670 | |
| 1671 | // Return to the original context and force some object to the slow case |
| 1672 | // to cause the NormalizedMapCache to verify. |
| 1673 | context1->Enter(); |
| 1674 | CompileRun("var obj = { x : 0 }; delete obj.x;"); |
| 1675 | context1->Exit(); |
| 1676 | } |
| 1677 | |
| 1678 | |
| 1679 | static void SetXOnPrototypeGetter( |
| 1680 | Local<Name> property, const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 1681 | // Set x on the prototype object and do not handle the get request. |
| 1682 | v8::Local<v8::Value> proto = info.Holder()->GetPrototype(); |
| 1683 | proto.As<v8::Object>() |
| 1684 | ->Set(info.GetIsolate()->GetCurrentContext(), v8_str("x"), |
| 1685 | v8::Integer::New(info.GetIsolate(), 23)) |
| 1686 | .FromJust(); |
| 1687 | } |
| 1688 | |
| 1689 | |
| 1690 | // This is a regression test for http://crbug.com/20104. Map |
| 1691 | // transitions should not interfere with post interceptor lookup. |
| 1692 | THREADED_TEST(NamedInterceptorMapTransitionRead) { |
| 1693 | v8::Isolate* isolate = CcTest::isolate(); |
| 1694 | v8::HandleScope scope(isolate); |
| 1695 | Local<v8::FunctionTemplate> function_template = |
| 1696 | v8::FunctionTemplate::New(isolate); |
| 1697 | Local<v8::ObjectTemplate> instance_template = |
| 1698 | function_template->InstanceTemplate(); |
| 1699 | instance_template->SetHandler( |
| 1700 | v8::NamedPropertyHandlerConfiguration(SetXOnPrototypeGetter)); |
| 1701 | LocalContext context; |
| 1702 | context->Global() |
| 1703 | ->Set(context.local(), v8_str("F"), |
| 1704 | function_template->GetFunction(context.local()).ToLocalChecked()) |
| 1705 | .FromJust(); |
| 1706 | // Create an instance of F and introduce a map transition for x. |
| 1707 | CompileRun("var o = new F(); o.x = 23;"); |
| 1708 | // Create an instance of F and invoke the getter. The result should be 23. |
| 1709 | Local<Value> result = CompileRun("o = new F(); o.x"); |
| 1710 | CHECK_EQ(result->Int32Value(context.local()).FromJust(), 23); |
| 1711 | } |
| 1712 | |
| 1713 | |
| 1714 | static void IndexedPropertyGetter( |
| 1715 | uint32_t index, const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 1716 | ApiTestFuzzer::Fuzz(); |
| 1717 | if (index == 37) { |
| 1718 | info.GetReturnValue().Set(v8_num(625)); |
| 1719 | } |
| 1720 | } |
| 1721 | |
| 1722 | |
| 1723 | static void IndexedPropertySetter( |
| 1724 | uint32_t index, Local<Value> value, |
| 1725 | const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 1726 | ApiTestFuzzer::Fuzz(); |
| 1727 | if (index == 39) { |
| 1728 | info.GetReturnValue().Set(value); |
| 1729 | } |
| 1730 | } |
| 1731 | |
| 1732 | |
| 1733 | THREADED_TEST(IndexedInterceptorWithIndexedAccessor) { |
| 1734 | v8::Isolate* isolate = CcTest::isolate(); |
| 1735 | v8::HandleScope scope(isolate); |
| 1736 | Local<ObjectTemplate> templ = ObjectTemplate::New(isolate); |
| 1737 | templ->SetHandler(v8::IndexedPropertyHandlerConfiguration( |
| 1738 | IndexedPropertyGetter, IndexedPropertySetter)); |
| 1739 | LocalContext context; |
| 1740 | context->Global() |
| 1741 | ->Set(context.local(), v8_str("obj"), |
| 1742 | templ->NewInstance(context.local()).ToLocalChecked()) |
| 1743 | .FromJust(); |
| 1744 | Local<Script> getter_script = |
| 1745 | v8_compile("obj.__defineGetter__(\"3\", function(){return 5;});obj[3];"); |
| 1746 | Local<Script> setter_script = v8_compile( |
| 1747 | "obj.__defineSetter__(\"17\", function(val){this.foo = val;});" |
| 1748 | "obj[17] = 23;" |
| 1749 | "obj.foo;"); |
| 1750 | Local<Script> interceptor_setter_script = v8_compile( |
| 1751 | "obj.__defineSetter__(\"39\", function(val){this.foo = \"hit\";});" |
| 1752 | "obj[39] = 47;" |
| 1753 | "obj.foo;"); // This setter should not run, due to the interceptor. |
| 1754 | Local<Script> interceptor_getter_script = v8_compile("obj[37];"); |
| 1755 | Local<Value> result = getter_script->Run(context.local()).ToLocalChecked(); |
| 1756 | CHECK(v8_num(5)->Equals(context.local(), result).FromJust()); |
| 1757 | result = setter_script->Run(context.local()).ToLocalChecked(); |
| 1758 | CHECK(v8_num(23)->Equals(context.local(), result).FromJust()); |
| 1759 | result = interceptor_setter_script->Run(context.local()).ToLocalChecked(); |
| 1760 | CHECK(v8_num(23)->Equals(context.local(), result).FromJust()); |
| 1761 | result = interceptor_getter_script->Run(context.local()).ToLocalChecked(); |
| 1762 | CHECK(v8_num(625)->Equals(context.local(), result).FromJust()); |
| 1763 | } |
| 1764 | |
| 1765 | |
| 1766 | static void UnboxedDoubleIndexedPropertyGetter( |
| 1767 | uint32_t index, const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 1768 | ApiTestFuzzer::Fuzz(); |
| 1769 | if (index < 25) { |
| 1770 | info.GetReturnValue().Set(v8_num(index)); |
| 1771 | } |
| 1772 | } |
| 1773 | |
| 1774 | |
| 1775 | static void UnboxedDoubleIndexedPropertySetter( |
| 1776 | uint32_t index, Local<Value> value, |
| 1777 | const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 1778 | ApiTestFuzzer::Fuzz(); |
| 1779 | if (index < 25) { |
| 1780 | info.GetReturnValue().Set(v8_num(index)); |
| 1781 | } |
| 1782 | } |
| 1783 | |
| 1784 | |
| 1785 | void UnboxedDoubleIndexedPropertyEnumerator( |
| 1786 | const v8::PropertyCallbackInfo<v8::Array>& info) { |
| 1787 | // Force the list of returned keys to be stored in a FastDoubleArray. |
| 1788 | Local<Script> indexed_property_names_script = v8_compile( |
| 1789 | "keys = new Array(); keys[125000] = 1;" |
| 1790 | "for(i = 0; i < 80000; i++) { keys[i] = i; };" |
| 1791 | "keys.length = 25; keys;"); |
| 1792 | Local<Value> result = |
| 1793 | indexed_property_names_script->Run(info.GetIsolate()->GetCurrentContext()) |
| 1794 | .ToLocalChecked(); |
| 1795 | info.GetReturnValue().Set(Local<v8::Array>::Cast(result)); |
| 1796 | } |
| 1797 | |
| 1798 | |
| 1799 | // Make sure that the the interceptor code in the runtime properly handles |
| 1800 | // merging property name lists for double-array-backed arrays. |
| 1801 | THREADED_TEST(IndexedInterceptorUnboxedDoubleWithIndexedAccessor) { |
| 1802 | v8::Isolate* isolate = CcTest::isolate(); |
| 1803 | v8::HandleScope scope(isolate); |
| 1804 | Local<ObjectTemplate> templ = ObjectTemplate::New(isolate); |
| 1805 | templ->SetHandler(v8::IndexedPropertyHandlerConfiguration( |
| 1806 | UnboxedDoubleIndexedPropertyGetter, UnboxedDoubleIndexedPropertySetter, 0, |
| 1807 | 0, UnboxedDoubleIndexedPropertyEnumerator)); |
| 1808 | LocalContext context; |
| 1809 | context->Global() |
| 1810 | ->Set(context.local(), v8_str("obj"), |
| 1811 | templ->NewInstance(context.local()).ToLocalChecked()) |
| 1812 | .FromJust(); |
| 1813 | // When obj is created, force it to be Stored in a FastDoubleArray. |
| 1814 | Local<Script> create_unboxed_double_script = v8_compile( |
| 1815 | "obj[125000] = 1; for(i = 0; i < 80000; i+=2) { obj[i] = i; } " |
| 1816 | "key_count = 0; " |
| 1817 | "for (x in obj) {key_count++;};" |
| 1818 | "obj;"); |
| 1819 | Local<Value> result = |
| 1820 | create_unboxed_double_script->Run(context.local()).ToLocalChecked(); |
| 1821 | CHECK(result->ToObject(context.local()) |
| 1822 | .ToLocalChecked() |
| 1823 | ->HasRealIndexedProperty(context.local(), 2000) |
| 1824 | .FromJust()); |
| 1825 | Local<Script> key_count_check = v8_compile("key_count;"); |
| 1826 | result = key_count_check->Run(context.local()).ToLocalChecked(); |
| 1827 | CHECK(v8_num(40013)->Equals(context.local(), result).FromJust()); |
| 1828 | } |
| 1829 | |
| 1830 | |
| 1831 | void SloppyArgsIndexedPropertyEnumerator( |
| 1832 | const v8::PropertyCallbackInfo<v8::Array>& info) { |
| 1833 | // Force the list of returned keys to be stored in a Arguments object. |
| 1834 | Local<Script> indexed_property_names_script = v8_compile( |
| 1835 | "function f(w,x) {" |
| 1836 | " return arguments;" |
| 1837 | "}" |
| 1838 | "keys = f(0, 1, 2, 3);" |
| 1839 | "keys;"); |
| 1840 | Local<Object> result = Local<Object>::Cast( |
| 1841 | indexed_property_names_script->Run(info.GetIsolate()->GetCurrentContext()) |
| 1842 | .ToLocalChecked()); |
| 1843 | // Have to populate the handle manually, as it's not Cast-able. |
| 1844 | i::Handle<i::JSReceiver> o = |
| 1845 | v8::Utils::OpenHandle<Object, i::JSReceiver>(result); |
| 1846 | i::Handle<i::JSArray> array(reinterpret_cast<i::JSArray*>(*o)); |
| 1847 | info.GetReturnValue().Set(v8::Utils::ToLocal(array)); |
| 1848 | } |
| 1849 | |
| 1850 | |
| 1851 | static void SloppyIndexedPropertyGetter( |
| 1852 | uint32_t index, const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 1853 | ApiTestFuzzer::Fuzz(); |
| 1854 | if (index < 4) { |
| 1855 | info.GetReturnValue().Set(v8_num(index)); |
| 1856 | } |
| 1857 | } |
| 1858 | |
| 1859 | |
| 1860 | // Make sure that the the interceptor code in the runtime properly handles |
| 1861 | // merging property name lists for non-string arguments arrays. |
| 1862 | THREADED_TEST(IndexedInterceptorSloppyArgsWithIndexedAccessor) { |
| 1863 | v8::Isolate* isolate = CcTest::isolate(); |
| 1864 | v8::HandleScope scope(isolate); |
| 1865 | Local<ObjectTemplate> templ = ObjectTemplate::New(isolate); |
| 1866 | templ->SetHandler(v8::IndexedPropertyHandlerConfiguration( |
| 1867 | SloppyIndexedPropertyGetter, 0, 0, 0, |
| 1868 | SloppyArgsIndexedPropertyEnumerator)); |
| 1869 | LocalContext context; |
| 1870 | context->Global() |
| 1871 | ->Set(context.local(), v8_str("obj"), |
| 1872 | templ->NewInstance(context.local()).ToLocalChecked()) |
| 1873 | .FromJust(); |
| 1874 | Local<Script> create_args_script = v8_compile( |
| 1875 | "var key_count = 0;" |
| 1876 | "for (x in obj) {key_count++;} key_count;"); |
| 1877 | Local<Value> result = |
| 1878 | create_args_script->Run(context.local()).ToLocalChecked(); |
| 1879 | CHECK(v8_num(4)->Equals(context.local(), result).FromJust()); |
| 1880 | } |
| 1881 | |
| 1882 | |
| 1883 | static void IdentityIndexedPropertyGetter( |
| 1884 | uint32_t index, const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 1885 | info.GetReturnValue().Set(index); |
| 1886 | } |
| 1887 | |
| 1888 | |
| 1889 | THREADED_TEST(IndexedInterceptorWithGetOwnPropertyDescriptor) { |
| 1890 | v8::Isolate* isolate = CcTest::isolate(); |
| 1891 | v8::HandleScope scope(isolate); |
| 1892 | Local<ObjectTemplate> templ = ObjectTemplate::New(isolate); |
| 1893 | templ->SetHandler( |
| 1894 | v8::IndexedPropertyHandlerConfiguration(IdentityIndexedPropertyGetter)); |
| 1895 | |
| 1896 | LocalContext context; |
| 1897 | context->Global() |
| 1898 | ->Set(context.local(), v8_str("obj"), |
| 1899 | templ->NewInstance(context.local()).ToLocalChecked()) |
| 1900 | .FromJust(); |
| 1901 | |
| 1902 | // Check fast object case. |
| 1903 | const char* fast_case_code = |
| 1904 | "Object.getOwnPropertyDescriptor(obj, 0).value.toString()"; |
| 1905 | ExpectString(fast_case_code, "0"); |
| 1906 | |
| 1907 | // Check slow case. |
| 1908 | const char* slow_case_code = |
| 1909 | "obj.x = 1; delete obj.x;" |
| 1910 | "Object.getOwnPropertyDescriptor(obj, 1).value.toString()"; |
| 1911 | ExpectString(slow_case_code, "1"); |
| 1912 | } |
| 1913 | |
| 1914 | |
| 1915 | THREADED_TEST(IndexedInterceptorWithNoSetter) { |
| 1916 | v8::Isolate* isolate = CcTest::isolate(); |
| 1917 | v8::HandleScope scope(isolate); |
| 1918 | Local<ObjectTemplate> templ = ObjectTemplate::New(isolate); |
| 1919 | templ->SetHandler( |
| 1920 | v8::IndexedPropertyHandlerConfiguration(IdentityIndexedPropertyGetter)); |
| 1921 | |
| 1922 | LocalContext context; |
| 1923 | context->Global() |
| 1924 | ->Set(context.local(), v8_str("obj"), |
| 1925 | templ->NewInstance(context.local()).ToLocalChecked()) |
| 1926 | .FromJust(); |
| 1927 | |
| 1928 | const char* code = |
| 1929 | "try {" |
| 1930 | " obj[0] = 239;" |
| 1931 | " for (var i = 0; i < 100; i++) {" |
| 1932 | " var v = obj[0];" |
| 1933 | " if (v != 0) throw 'Wrong value ' + v + ' at iteration ' + i;" |
| 1934 | " }" |
| 1935 | " 'PASSED'" |
| 1936 | "} catch(e) {" |
| 1937 | " e" |
| 1938 | "}"; |
| 1939 | ExpectString(code, "PASSED"); |
| 1940 | } |
| 1941 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1942 | static bool AccessAlwaysBlocked(Local<v8::Context> accessing_context, |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1943 | Local<v8::Object> accessed_object, |
| 1944 | Local<v8::Value> data) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1945 | return false; |
| 1946 | } |
| 1947 | |
| 1948 | |
| 1949 | THREADED_TEST(IndexedInterceptorWithAccessorCheck) { |
| 1950 | v8::Isolate* isolate = CcTest::isolate(); |
| 1951 | v8::HandleScope scope(isolate); |
| 1952 | Local<ObjectTemplate> templ = ObjectTemplate::New(isolate); |
| 1953 | templ->SetHandler( |
| 1954 | v8::IndexedPropertyHandlerConfiguration(IdentityIndexedPropertyGetter)); |
| 1955 | |
| 1956 | templ->SetAccessCheckCallback(AccessAlwaysBlocked); |
| 1957 | |
| 1958 | LocalContext context; |
| 1959 | Local<v8::Object> obj = templ->NewInstance(context.local()).ToLocalChecked(); |
| 1960 | context->Global()->Set(context.local(), v8_str("obj"), obj).FromJust(); |
| 1961 | |
| 1962 | const char* code = |
| 1963 | "var result = 'PASSED';" |
| 1964 | "for (var i = 0; i < 100; i++) {" |
| 1965 | " try {" |
| 1966 | " var v = obj[0];" |
| 1967 | " result = 'Wrong value ' + v + ' at iteration ' + i;" |
| 1968 | " break;" |
| 1969 | " } catch (e) {" |
| 1970 | " /* pass */" |
| 1971 | " }" |
| 1972 | "}" |
| 1973 | "result"; |
| 1974 | ExpectString(code, "PASSED"); |
| 1975 | } |
| 1976 | |
| 1977 | |
| 1978 | THREADED_TEST(IndexedInterceptorWithDifferentIndices) { |
| 1979 | v8::Isolate* isolate = CcTest::isolate(); |
| 1980 | v8::HandleScope scope(isolate); |
| 1981 | Local<ObjectTemplate> templ = ObjectTemplate::New(isolate); |
| 1982 | templ->SetHandler( |
| 1983 | v8::IndexedPropertyHandlerConfiguration(IdentityIndexedPropertyGetter)); |
| 1984 | |
| 1985 | LocalContext context; |
| 1986 | Local<v8::Object> obj = templ->NewInstance(context.local()).ToLocalChecked(); |
| 1987 | context->Global()->Set(context.local(), v8_str("obj"), obj).FromJust(); |
| 1988 | |
| 1989 | const char* code = |
| 1990 | "try {" |
| 1991 | " for (var i = 0; i < 100; i++) {" |
| 1992 | " var v = obj[i];" |
| 1993 | " if (v != i) throw 'Wrong value ' + v + ' at iteration ' + i;" |
| 1994 | " }" |
| 1995 | " 'PASSED'" |
| 1996 | "} catch(e) {" |
| 1997 | " e" |
| 1998 | "}"; |
| 1999 | ExpectString(code, "PASSED"); |
| 2000 | } |
| 2001 | |
| 2002 | |
| 2003 | THREADED_TEST(IndexedInterceptorWithNegativeIndices) { |
| 2004 | v8::Isolate* isolate = CcTest::isolate(); |
| 2005 | v8::HandleScope scope(isolate); |
| 2006 | Local<ObjectTemplate> templ = ObjectTemplate::New(isolate); |
| 2007 | templ->SetHandler( |
| 2008 | v8::IndexedPropertyHandlerConfiguration(IdentityIndexedPropertyGetter)); |
| 2009 | |
| 2010 | LocalContext context; |
| 2011 | Local<v8::Object> obj = templ->NewInstance(context.local()).ToLocalChecked(); |
| 2012 | context->Global()->Set(context.local(), v8_str("obj"), obj).FromJust(); |
| 2013 | |
| 2014 | const char* code = |
| 2015 | "try {" |
| 2016 | " for (var i = 0; i < 100; i++) {" |
| 2017 | " var expected = i;" |
| 2018 | " var key = i;" |
| 2019 | " if (i == 25) {" |
| 2020 | " key = -1;" |
| 2021 | " expected = undefined;" |
| 2022 | " }" |
| 2023 | " if (i == 50) {" |
| 2024 | " /* probe minimal Smi number on 32-bit platforms */" |
| 2025 | " key = -(1 << 30);" |
| 2026 | " expected = undefined;" |
| 2027 | " }" |
| 2028 | " if (i == 75) {" |
| 2029 | " /* probe minimal Smi number on 64-bit platforms */" |
| 2030 | " key = 1 << 31;" |
| 2031 | " expected = undefined;" |
| 2032 | " }" |
| 2033 | " var v = obj[key];" |
| 2034 | " if (v != expected) throw 'Wrong value ' + v + ' at iteration ' + i;" |
| 2035 | " }" |
| 2036 | " 'PASSED'" |
| 2037 | "} catch(e) {" |
| 2038 | " e" |
| 2039 | "}"; |
| 2040 | ExpectString(code, "PASSED"); |
| 2041 | } |
| 2042 | |
| 2043 | |
| 2044 | THREADED_TEST(IndexedInterceptorWithNotSmiLookup) { |
| 2045 | v8::Isolate* isolate = CcTest::isolate(); |
| 2046 | v8::HandleScope scope(isolate); |
| 2047 | Local<ObjectTemplate> templ = ObjectTemplate::New(isolate); |
| 2048 | templ->SetHandler( |
| 2049 | v8::IndexedPropertyHandlerConfiguration(IdentityIndexedPropertyGetter)); |
| 2050 | |
| 2051 | LocalContext context; |
| 2052 | Local<v8::Object> obj = templ->NewInstance(context.local()).ToLocalChecked(); |
| 2053 | context->Global()->Set(context.local(), v8_str("obj"), obj).FromJust(); |
| 2054 | |
| 2055 | const char* code = |
| 2056 | "try {" |
| 2057 | " for (var i = 0; i < 100; i++) {" |
| 2058 | " var expected = i;" |
| 2059 | " var key = i;" |
| 2060 | " if (i == 50) {" |
| 2061 | " key = 'foobar';" |
| 2062 | " expected = undefined;" |
| 2063 | " }" |
| 2064 | " var v = obj[key];" |
| 2065 | " if (v != expected) throw 'Wrong value ' + v + ' at iteration ' + i;" |
| 2066 | " }" |
| 2067 | " 'PASSED'" |
| 2068 | "} catch(e) {" |
| 2069 | " e" |
| 2070 | "}"; |
| 2071 | ExpectString(code, "PASSED"); |
| 2072 | } |
| 2073 | |
| 2074 | |
| 2075 | THREADED_TEST(IndexedInterceptorGoingMegamorphic) { |
| 2076 | v8::Isolate* isolate = CcTest::isolate(); |
| 2077 | v8::HandleScope scope(isolate); |
| 2078 | Local<ObjectTemplate> templ = ObjectTemplate::New(isolate); |
| 2079 | templ->SetHandler( |
| 2080 | v8::IndexedPropertyHandlerConfiguration(IdentityIndexedPropertyGetter)); |
| 2081 | |
| 2082 | LocalContext context; |
| 2083 | Local<v8::Object> obj = templ->NewInstance(context.local()).ToLocalChecked(); |
| 2084 | context->Global()->Set(context.local(), v8_str("obj"), obj).FromJust(); |
| 2085 | |
| 2086 | const char* code = |
| 2087 | "var original = obj;" |
| 2088 | "try {" |
| 2089 | " for (var i = 0; i < 100; i++) {" |
| 2090 | " var expected = i;" |
| 2091 | " if (i == 50) {" |
| 2092 | " obj = {50: 'foobar'};" |
| 2093 | " expected = 'foobar';" |
| 2094 | " }" |
| 2095 | " var v = obj[i];" |
| 2096 | " if (v != expected) throw 'Wrong value ' + v + ' at iteration ' + i;" |
| 2097 | " if (i == 50) obj = original;" |
| 2098 | " }" |
| 2099 | " 'PASSED'" |
| 2100 | "} catch(e) {" |
| 2101 | " e" |
| 2102 | "}"; |
| 2103 | ExpectString(code, "PASSED"); |
| 2104 | } |
| 2105 | |
| 2106 | |
| 2107 | THREADED_TEST(IndexedInterceptorReceiverTurningSmi) { |
| 2108 | v8::Isolate* isolate = CcTest::isolate(); |
| 2109 | v8::HandleScope scope(isolate); |
| 2110 | Local<ObjectTemplate> templ = ObjectTemplate::New(isolate); |
| 2111 | templ->SetHandler( |
| 2112 | v8::IndexedPropertyHandlerConfiguration(IdentityIndexedPropertyGetter)); |
| 2113 | |
| 2114 | LocalContext context; |
| 2115 | Local<v8::Object> obj = templ->NewInstance(context.local()).ToLocalChecked(); |
| 2116 | context->Global()->Set(context.local(), v8_str("obj"), obj).FromJust(); |
| 2117 | |
| 2118 | const char* code = |
| 2119 | "var original = obj;" |
| 2120 | "try {" |
| 2121 | " for (var i = 0; i < 100; i++) {" |
| 2122 | " var expected = i;" |
| 2123 | " if (i == 5) {" |
| 2124 | " obj = 239;" |
| 2125 | " expected = undefined;" |
| 2126 | " }" |
| 2127 | " var v = obj[i];" |
| 2128 | " if (v != expected) throw 'Wrong value ' + v + ' at iteration ' + i;" |
| 2129 | " if (i == 5) obj = original;" |
| 2130 | " }" |
| 2131 | " 'PASSED'" |
| 2132 | "} catch(e) {" |
| 2133 | " e" |
| 2134 | "}"; |
| 2135 | ExpectString(code, "PASSED"); |
| 2136 | } |
| 2137 | |
| 2138 | |
| 2139 | THREADED_TEST(IndexedInterceptorOnProto) { |
| 2140 | v8::Isolate* isolate = CcTest::isolate(); |
| 2141 | v8::HandleScope scope(isolate); |
| 2142 | Local<ObjectTemplate> templ = ObjectTemplate::New(isolate); |
| 2143 | templ->SetHandler( |
| 2144 | v8::IndexedPropertyHandlerConfiguration(IdentityIndexedPropertyGetter)); |
| 2145 | |
| 2146 | LocalContext context; |
| 2147 | Local<v8::Object> obj = templ->NewInstance(context.local()).ToLocalChecked(); |
| 2148 | context->Global()->Set(context.local(), v8_str("obj"), obj).FromJust(); |
| 2149 | |
| 2150 | const char* code = |
| 2151 | "var o = {__proto__: obj};" |
| 2152 | "try {" |
| 2153 | " for (var i = 0; i < 100; i++) {" |
| 2154 | " var v = o[i];" |
| 2155 | " if (v != i) throw 'Wrong value ' + v + ' at iteration ' + i;" |
| 2156 | " }" |
| 2157 | " 'PASSED'" |
| 2158 | "} catch(e) {" |
| 2159 | " e" |
| 2160 | "}"; |
| 2161 | ExpectString(code, "PASSED"); |
| 2162 | } |
| 2163 | |
| 2164 | |
| 2165 | static void NoBlockGetterX(Local<Name> name, |
| 2166 | const v8::PropertyCallbackInfo<v8::Value>&) {} |
| 2167 | |
| 2168 | |
| 2169 | static void NoBlockGetterI(uint32_t index, |
| 2170 | const v8::PropertyCallbackInfo<v8::Value>&) {} |
| 2171 | |
| 2172 | |
| 2173 | static void PDeleter(Local<Name> name, |
| 2174 | const v8::PropertyCallbackInfo<v8::Boolean>& info) { |
| 2175 | if (!name->Equals(info.GetIsolate()->GetCurrentContext(), v8_str("foo")) |
| 2176 | .FromJust()) { |
| 2177 | return; // not intercepted |
| 2178 | } |
| 2179 | |
| 2180 | info.GetReturnValue().Set(false); // intercepted, don't delete the property |
| 2181 | } |
| 2182 | |
| 2183 | |
| 2184 | static void IDeleter(uint32_t index, |
| 2185 | const v8::PropertyCallbackInfo<v8::Boolean>& info) { |
| 2186 | if (index != 2) { |
| 2187 | return; // not intercepted |
| 2188 | } |
| 2189 | |
| 2190 | info.GetReturnValue().Set(false); // intercepted, don't delete the property |
| 2191 | } |
| 2192 | |
| 2193 | |
| 2194 | THREADED_TEST(Deleter) { |
| 2195 | v8::Isolate* isolate = CcTest::isolate(); |
| 2196 | v8::HandleScope scope(isolate); |
| 2197 | v8::Local<v8::ObjectTemplate> obj = ObjectTemplate::New(isolate); |
| 2198 | obj->SetHandler(v8::NamedPropertyHandlerConfiguration(NoBlockGetterX, NULL, |
| 2199 | NULL, PDeleter, NULL)); |
| 2200 | obj->SetHandler(v8::IndexedPropertyHandlerConfiguration( |
| 2201 | NoBlockGetterI, NULL, NULL, IDeleter, NULL)); |
| 2202 | LocalContext context; |
| 2203 | context->Global() |
| 2204 | ->Set(context.local(), v8_str("k"), |
| 2205 | obj->NewInstance(context.local()).ToLocalChecked()) |
| 2206 | .FromJust(); |
| 2207 | CompileRun( |
| 2208 | "k.foo = 'foo';" |
| 2209 | "k.bar = 'bar';" |
| 2210 | "k[2] = 2;" |
| 2211 | "k[4] = 4;"); |
| 2212 | CHECK(v8_compile("delete k.foo") |
| 2213 | ->Run(context.local()) |
| 2214 | .ToLocalChecked() |
| 2215 | ->IsFalse()); |
| 2216 | CHECK(v8_compile("delete k.bar") |
| 2217 | ->Run(context.local()) |
| 2218 | .ToLocalChecked() |
| 2219 | ->IsTrue()); |
| 2220 | |
| 2221 | CHECK(v8_compile("k.foo") |
| 2222 | ->Run(context.local()) |
| 2223 | .ToLocalChecked() |
| 2224 | ->Equals(context.local(), v8_str("foo")) |
| 2225 | .FromJust()); |
| 2226 | CHECK(v8_compile("k.bar") |
| 2227 | ->Run(context.local()) |
| 2228 | .ToLocalChecked() |
| 2229 | ->IsUndefined()); |
| 2230 | |
| 2231 | CHECK(v8_compile("delete k[2]") |
| 2232 | ->Run(context.local()) |
| 2233 | .ToLocalChecked() |
| 2234 | ->IsFalse()); |
| 2235 | CHECK(v8_compile("delete k[4]") |
| 2236 | ->Run(context.local()) |
| 2237 | .ToLocalChecked() |
| 2238 | ->IsTrue()); |
| 2239 | |
| 2240 | CHECK(v8_compile("k[2]") |
| 2241 | ->Run(context.local()) |
| 2242 | .ToLocalChecked() |
| 2243 | ->Equals(context.local(), v8_num(2)) |
| 2244 | .FromJust()); |
| 2245 | CHECK( |
| 2246 | v8_compile("k[4]")->Run(context.local()).ToLocalChecked()->IsUndefined()); |
| 2247 | } |
| 2248 | |
| 2249 | |
| 2250 | static void GetK(Local<Name> name, |
| 2251 | const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 2252 | ApiTestFuzzer::Fuzz(); |
| 2253 | v8::Local<v8::Context> context = info.GetIsolate()->GetCurrentContext(); |
| 2254 | if (name->Equals(context, v8_str("foo")).FromJust() || |
| 2255 | name->Equals(context, v8_str("bar")).FromJust() || |
| 2256 | name->Equals(context, v8_str("baz")).FromJust()) { |
| 2257 | info.GetReturnValue().SetUndefined(); |
| 2258 | } |
| 2259 | } |
| 2260 | |
| 2261 | |
| 2262 | static void IndexedGetK(uint32_t index, |
| 2263 | const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 2264 | ApiTestFuzzer::Fuzz(); |
| 2265 | if (index == 0 || index == 1) info.GetReturnValue().SetUndefined(); |
| 2266 | } |
| 2267 | |
| 2268 | |
| 2269 | static void NamedEnum(const v8::PropertyCallbackInfo<v8::Array>& info) { |
| 2270 | ApiTestFuzzer::Fuzz(); |
| 2271 | v8::Local<v8::Array> result = v8::Array::New(info.GetIsolate(), 3); |
| 2272 | v8::Local<v8::Context> context = info.GetIsolate()->GetCurrentContext(); |
| 2273 | result->Set(context, v8::Integer::New(info.GetIsolate(), 0), v8_str("foo")) |
| 2274 | .FromJust(); |
| 2275 | result->Set(context, v8::Integer::New(info.GetIsolate(), 1), v8_str("bar")) |
| 2276 | .FromJust(); |
| 2277 | result->Set(context, v8::Integer::New(info.GetIsolate(), 2), v8_str("baz")) |
| 2278 | .FromJust(); |
| 2279 | info.GetReturnValue().Set(result); |
| 2280 | } |
| 2281 | |
| 2282 | |
| 2283 | static void IndexedEnum(const v8::PropertyCallbackInfo<v8::Array>& info) { |
| 2284 | ApiTestFuzzer::Fuzz(); |
| 2285 | v8::Local<v8::Array> result = v8::Array::New(info.GetIsolate(), 2); |
| 2286 | v8::Local<v8::Context> context = info.GetIsolate()->GetCurrentContext(); |
| 2287 | result->Set(context, v8::Integer::New(info.GetIsolate(), 0), v8_str("0")) |
| 2288 | .FromJust(); |
| 2289 | result->Set(context, v8::Integer::New(info.GetIsolate(), 1), v8_str("1")) |
| 2290 | .FromJust(); |
| 2291 | info.GetReturnValue().Set(result); |
| 2292 | } |
| 2293 | |
| 2294 | |
| 2295 | THREADED_TEST(Enumerators) { |
| 2296 | v8::Isolate* isolate = CcTest::isolate(); |
| 2297 | v8::HandleScope scope(isolate); |
| 2298 | v8::Local<v8::ObjectTemplate> obj = ObjectTemplate::New(isolate); |
| 2299 | obj->SetHandler( |
| 2300 | v8::NamedPropertyHandlerConfiguration(GetK, NULL, NULL, NULL, NamedEnum)); |
| 2301 | obj->SetHandler(v8::IndexedPropertyHandlerConfiguration( |
| 2302 | IndexedGetK, NULL, NULL, NULL, IndexedEnum)); |
| 2303 | LocalContext context; |
| 2304 | context->Global() |
| 2305 | ->Set(context.local(), v8_str("k"), |
| 2306 | obj->NewInstance(context.local()).ToLocalChecked()) |
| 2307 | .FromJust(); |
| 2308 | v8::Local<v8::Array> result = |
| 2309 | v8::Local<v8::Array>::Cast(CompileRun("k[10] = 0;" |
| 2310 | "k.a = 0;" |
| 2311 | "k[5] = 0;" |
| 2312 | "k.b = 0;" |
| 2313 | "k[4294967294] = 0;" |
| 2314 | "k.c = 0;" |
| 2315 | "k[4294967295] = 0;" |
| 2316 | "k.d = 0;" |
| 2317 | "k[140000] = 0;" |
| 2318 | "k.e = 0;" |
| 2319 | "k[30000000000] = 0;" |
| 2320 | "k.f = 0;" |
| 2321 | "var result = [];" |
| 2322 | "for (var prop in k) {" |
| 2323 | " result.push(prop);" |
| 2324 | "}" |
| 2325 | "result")); |
| 2326 | // Check that we get all the property names returned including the |
| 2327 | // ones from the enumerators in the right order: indexed properties |
| 2328 | // in numerical order, indexed interceptor properties, named |
| 2329 | // properties in insertion order, named interceptor properties. |
| 2330 | // This order is not mandated by the spec, so this test is just |
| 2331 | // documenting our behavior. |
| 2332 | CHECK_EQ(17u, result->Length()); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 2333 | // Indexed properties. |
| 2334 | CHECK(v8_str("5") |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2335 | ->Equals(context.local(), |
| 2336 | result->Get(context.local(), v8::Integer::New(isolate, 0)) |
| 2337 | .ToLocalChecked()) |
| 2338 | .FromJust()); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 2339 | CHECK(v8_str("10") |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2340 | ->Equals(context.local(), |
| 2341 | result->Get(context.local(), v8::Integer::New(isolate, 1)) |
| 2342 | .ToLocalChecked()) |
| 2343 | .FromJust()); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 2344 | CHECK(v8_str("140000") |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2345 | ->Equals(context.local(), |
| 2346 | result->Get(context.local(), v8::Integer::New(isolate, 2)) |
| 2347 | .ToLocalChecked()) |
| 2348 | .FromJust()); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 2349 | CHECK(v8_str("4294967294") |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2350 | ->Equals(context.local(), |
| 2351 | result->Get(context.local(), v8::Integer::New(isolate, 3)) |
| 2352 | .ToLocalChecked()) |
| 2353 | .FromJust()); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 2354 | // Indexed Interceptor properties |
| 2355 | CHECK(v8_str("0") |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2356 | ->Equals(context.local(), |
| 2357 | result->Get(context.local(), v8::Integer::New(isolate, 4)) |
| 2358 | .ToLocalChecked()) |
| 2359 | .FromJust()); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 2360 | CHECK(v8_str("1") |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2361 | ->Equals(context.local(), |
| 2362 | result->Get(context.local(), v8::Integer::New(isolate, 5)) |
| 2363 | .ToLocalChecked()) |
| 2364 | .FromJust()); |
| 2365 | // Named properties in insertion order. |
| 2366 | CHECK(v8_str("a") |
| 2367 | ->Equals(context.local(), |
| 2368 | result->Get(context.local(), v8::Integer::New(isolate, 6)) |
| 2369 | .ToLocalChecked()) |
| 2370 | .FromJust()); |
| 2371 | CHECK(v8_str("b") |
| 2372 | ->Equals(context.local(), |
| 2373 | result->Get(context.local(), v8::Integer::New(isolate, 7)) |
| 2374 | .ToLocalChecked()) |
| 2375 | .FromJust()); |
| 2376 | CHECK(v8_str("c") |
| 2377 | ->Equals(context.local(), |
| 2378 | result->Get(context.local(), v8::Integer::New(isolate, 8)) |
| 2379 | .ToLocalChecked()) |
| 2380 | .FromJust()); |
| 2381 | CHECK(v8_str("4294967295") |
| 2382 | ->Equals(context.local(), |
| 2383 | result->Get(context.local(), v8::Integer::New(isolate, 9)) |
| 2384 | .ToLocalChecked()) |
| 2385 | .FromJust()); |
| 2386 | CHECK(v8_str("d") |
| 2387 | ->Equals(context.local(), |
| 2388 | result->Get(context.local(), v8::Integer::New(isolate, 10)) |
| 2389 | .ToLocalChecked()) |
| 2390 | .FromJust()); |
| 2391 | CHECK(v8_str("e") |
| 2392 | ->Equals(context.local(), |
| 2393 | result->Get(context.local(), v8::Integer::New(isolate, 11)) |
| 2394 | .ToLocalChecked()) |
| 2395 | .FromJust()); |
| 2396 | CHECK(v8_str("30000000000") |
| 2397 | ->Equals(context.local(), |
| 2398 | result->Get(context.local(), v8::Integer::New(isolate, 12)) |
| 2399 | .ToLocalChecked()) |
| 2400 | .FromJust()); |
| 2401 | CHECK(v8_str("f") |
| 2402 | ->Equals(context.local(), |
| 2403 | result->Get(context.local(), v8::Integer::New(isolate, 13)) |
| 2404 | .ToLocalChecked()) |
| 2405 | .FromJust()); |
| 2406 | // Named interceptor properties. |
| 2407 | CHECK(v8_str("foo") |
| 2408 | ->Equals(context.local(), |
| 2409 | result->Get(context.local(), v8::Integer::New(isolate, 14)) |
| 2410 | .ToLocalChecked()) |
| 2411 | .FromJust()); |
| 2412 | CHECK(v8_str("bar") |
| 2413 | ->Equals(context.local(), |
| 2414 | result->Get(context.local(), v8::Integer::New(isolate, 15)) |
| 2415 | .ToLocalChecked()) |
| 2416 | .FromJust()); |
| 2417 | CHECK(v8_str("baz") |
| 2418 | ->Equals(context.local(), |
| 2419 | result->Get(context.local(), v8::Integer::New(isolate, 16)) |
| 2420 | .ToLocalChecked()) |
| 2421 | .FromJust()); |
| 2422 | } |
| 2423 | |
| 2424 | |
| 2425 | v8::Local<Value> call_ic_function; |
| 2426 | v8::Local<Value> call_ic_function2; |
| 2427 | v8::Local<Value> call_ic_function3; |
| 2428 | |
| 2429 | static void InterceptorCallICGetter( |
| 2430 | Local<Name> name, const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 2431 | ApiTestFuzzer::Fuzz(); |
| 2432 | CHECK(v8_str("x") |
| 2433 | ->Equals(info.GetIsolate()->GetCurrentContext(), name) |
| 2434 | .FromJust()); |
| 2435 | info.GetReturnValue().Set(call_ic_function); |
| 2436 | } |
| 2437 | |
| 2438 | |
| 2439 | // This test should hit the call IC for the interceptor case. |
| 2440 | THREADED_TEST(InterceptorCallIC) { |
| 2441 | v8::Isolate* isolate = CcTest::isolate(); |
| 2442 | v8::HandleScope scope(isolate); |
| 2443 | v8::Local<v8::ObjectTemplate> templ = ObjectTemplate::New(isolate); |
| 2444 | templ->SetHandler( |
| 2445 | v8::NamedPropertyHandlerConfiguration(InterceptorCallICGetter)); |
| 2446 | LocalContext context; |
| 2447 | context->Global() |
| 2448 | ->Set(context.local(), v8_str("o"), |
| 2449 | templ->NewInstance(context.local()).ToLocalChecked()) |
| 2450 | .FromJust(); |
| 2451 | call_ic_function = v8_compile("function f(x) { return x + 1; }; f") |
| 2452 | ->Run(context.local()) |
| 2453 | .ToLocalChecked(); |
| 2454 | v8::Local<Value> value = CompileRun( |
| 2455 | "var result = 0;" |
| 2456 | "for (var i = 0; i < 1000; i++) {" |
| 2457 | " result = o.x(41);" |
| 2458 | "}"); |
| 2459 | CHECK_EQ(42, value->Int32Value(context.local()).FromJust()); |
| 2460 | } |
| 2461 | |
| 2462 | |
| 2463 | // This test checks that if interceptor doesn't provide |
| 2464 | // a value, we can fetch regular value. |
| 2465 | THREADED_TEST(InterceptorCallICSeesOthers) { |
| 2466 | v8::Isolate* isolate = CcTest::isolate(); |
| 2467 | v8::HandleScope scope(isolate); |
| 2468 | v8::Local<v8::ObjectTemplate> templ = ObjectTemplate::New(isolate); |
| 2469 | templ->SetHandler(v8::NamedPropertyHandlerConfiguration(NoBlockGetterX)); |
| 2470 | LocalContext context; |
| 2471 | context->Global() |
| 2472 | ->Set(context.local(), v8_str("o"), |
| 2473 | templ->NewInstance(context.local()).ToLocalChecked()) |
| 2474 | .FromJust(); |
| 2475 | v8::Local<Value> value = CompileRun( |
| 2476 | "o.x = function f(x) { return x + 1; };" |
| 2477 | "var result = 0;" |
| 2478 | "for (var i = 0; i < 7; i++) {" |
| 2479 | " result = o.x(41);" |
| 2480 | "}"); |
| 2481 | CHECK_EQ(42, value->Int32Value(context.local()).FromJust()); |
| 2482 | } |
| 2483 | |
| 2484 | |
| 2485 | static v8::Local<Value> call_ic_function4; |
| 2486 | static void InterceptorCallICGetter4( |
| 2487 | Local<Name> name, const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 2488 | ApiTestFuzzer::Fuzz(); |
| 2489 | CHECK(v8_str("x") |
| 2490 | ->Equals(info.GetIsolate()->GetCurrentContext(), name) |
| 2491 | .FromJust()); |
| 2492 | info.GetReturnValue().Set(call_ic_function4); |
| 2493 | } |
| 2494 | |
| 2495 | |
| 2496 | // This test checks that if interceptor provides a function, |
| 2497 | // even if we cached shadowed variant, interceptor's function |
| 2498 | // is invoked |
| 2499 | THREADED_TEST(InterceptorCallICCacheableNotNeeded) { |
| 2500 | v8::Isolate* isolate = CcTest::isolate(); |
| 2501 | v8::HandleScope scope(isolate); |
| 2502 | v8::Local<v8::ObjectTemplate> templ = ObjectTemplate::New(isolate); |
| 2503 | templ->SetHandler( |
| 2504 | v8::NamedPropertyHandlerConfiguration(InterceptorCallICGetter4)); |
| 2505 | LocalContext context; |
| 2506 | context->Global() |
| 2507 | ->Set(context.local(), v8_str("o"), |
| 2508 | templ->NewInstance(context.local()).ToLocalChecked()) |
| 2509 | .FromJust(); |
| 2510 | call_ic_function4 = v8_compile("function f(x) { return x - 1; }; f") |
| 2511 | ->Run(context.local()) |
| 2512 | .ToLocalChecked(); |
| 2513 | v8::Local<Value> value = CompileRun( |
| 2514 | "Object.getPrototypeOf(o).x = function(x) { return x + 1; };" |
| 2515 | "var result = 0;" |
| 2516 | "for (var i = 0; i < 1000; i++) {" |
| 2517 | " result = o.x(42);" |
| 2518 | "}"); |
| 2519 | CHECK_EQ(41, value->Int32Value(context.local()).FromJust()); |
| 2520 | } |
| 2521 | |
| 2522 | |
| 2523 | // Test the case when we stored cacheable lookup into |
| 2524 | // a stub, but it got invalidated later on |
| 2525 | THREADED_TEST(InterceptorCallICInvalidatedCacheable) { |
| 2526 | v8::Isolate* isolate = CcTest::isolate(); |
| 2527 | v8::HandleScope scope(isolate); |
| 2528 | v8::Local<v8::ObjectTemplate> templ = ObjectTemplate::New(isolate); |
| 2529 | templ->SetHandler(v8::NamedPropertyHandlerConfiguration(NoBlockGetterX)); |
| 2530 | LocalContext context; |
| 2531 | context->Global() |
| 2532 | ->Set(context.local(), v8_str("o"), |
| 2533 | templ->NewInstance(context.local()).ToLocalChecked()) |
| 2534 | .FromJust(); |
| 2535 | v8::Local<Value> value = CompileRun( |
| 2536 | "proto1 = new Object();" |
| 2537 | "proto2 = new Object();" |
| 2538 | "o.__proto__ = proto1;" |
| 2539 | "proto1.__proto__ = proto2;" |
| 2540 | "proto2.y = function(x) { return x + 1; };" |
| 2541 | // Invoke it many times to compile a stub |
| 2542 | "for (var i = 0; i < 7; i++) {" |
| 2543 | " o.y(42);" |
| 2544 | "}" |
| 2545 | "proto1.y = function(x) { return x - 1; };" |
| 2546 | "var result = 0;" |
| 2547 | "for (var i = 0; i < 7; i++) {" |
| 2548 | " result += o.y(42);" |
| 2549 | "}"); |
| 2550 | CHECK_EQ(41 * 7, value->Int32Value(context.local()).FromJust()); |
| 2551 | } |
| 2552 | |
| 2553 | |
| 2554 | // This test checks that if interceptor doesn't provide a function, |
| 2555 | // cached constant function is used |
| 2556 | THREADED_TEST(InterceptorCallICConstantFunctionUsed) { |
| 2557 | v8::Isolate* isolate = CcTest::isolate(); |
| 2558 | v8::HandleScope scope(isolate); |
| 2559 | v8::Local<v8::ObjectTemplate> templ = ObjectTemplate::New(isolate); |
| 2560 | templ->SetHandler(v8::NamedPropertyHandlerConfiguration(NoBlockGetterX)); |
| 2561 | LocalContext context; |
| 2562 | context->Global() |
| 2563 | ->Set(context.local(), v8_str("o"), |
| 2564 | templ->NewInstance(context.local()).ToLocalChecked()) |
| 2565 | .FromJust(); |
| 2566 | v8::Local<Value> value = CompileRun( |
| 2567 | "function inc(x) { return x + 1; };" |
| 2568 | "inc(1);" |
| 2569 | "o.x = inc;" |
| 2570 | "var result = 0;" |
| 2571 | "for (var i = 0; i < 1000; i++) {" |
| 2572 | " result = o.x(42);" |
| 2573 | "}"); |
| 2574 | CHECK_EQ(43, value->Int32Value(context.local()).FromJust()); |
| 2575 | } |
| 2576 | |
| 2577 | |
| 2578 | static v8::Local<Value> call_ic_function5; |
| 2579 | static void InterceptorCallICGetter5( |
| 2580 | Local<Name> name, const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 2581 | ApiTestFuzzer::Fuzz(); |
| 2582 | if (v8_str("x") |
| 2583 | ->Equals(info.GetIsolate()->GetCurrentContext(), name) |
| 2584 | .FromJust()) |
| 2585 | info.GetReturnValue().Set(call_ic_function5); |
| 2586 | } |
| 2587 | |
| 2588 | |
| 2589 | // This test checks that if interceptor provides a function, |
| 2590 | // even if we cached constant function, interceptor's function |
| 2591 | // is invoked |
| 2592 | THREADED_TEST(InterceptorCallICConstantFunctionNotNeeded) { |
| 2593 | v8::Isolate* isolate = CcTest::isolate(); |
| 2594 | v8::HandleScope scope(isolate); |
| 2595 | v8::Local<v8::ObjectTemplate> templ = ObjectTemplate::New(isolate); |
| 2596 | templ->SetHandler( |
| 2597 | v8::NamedPropertyHandlerConfiguration(InterceptorCallICGetter5)); |
| 2598 | LocalContext context; |
| 2599 | context->Global() |
| 2600 | ->Set(context.local(), v8_str("o"), |
| 2601 | templ->NewInstance(context.local()).ToLocalChecked()) |
| 2602 | .FromJust(); |
| 2603 | call_ic_function5 = v8_compile("function f(x) { return x - 1; }; f") |
| 2604 | ->Run(context.local()) |
| 2605 | .ToLocalChecked(); |
| 2606 | v8::Local<Value> value = CompileRun( |
| 2607 | "function inc(x) { return x + 1; };" |
| 2608 | "inc(1);" |
| 2609 | "o.x = inc;" |
| 2610 | "var result = 0;" |
| 2611 | "for (var i = 0; i < 1000; i++) {" |
| 2612 | " result = o.x(42);" |
| 2613 | "}"); |
| 2614 | CHECK_EQ(41, value->Int32Value(context.local()).FromJust()); |
| 2615 | } |
| 2616 | |
| 2617 | |
| 2618 | static v8::Local<Value> call_ic_function6; |
| 2619 | static void InterceptorCallICGetter6( |
| 2620 | Local<Name> name, const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 2621 | ApiTestFuzzer::Fuzz(); |
| 2622 | if (v8_str("x") |
| 2623 | ->Equals(info.GetIsolate()->GetCurrentContext(), name) |
| 2624 | .FromJust()) |
| 2625 | info.GetReturnValue().Set(call_ic_function6); |
| 2626 | } |
| 2627 | |
| 2628 | |
| 2629 | // Same test as above, except the code is wrapped in a function |
| 2630 | // to test the optimized compiler. |
| 2631 | THREADED_TEST(InterceptorCallICConstantFunctionNotNeededWrapped) { |
| 2632 | i::FLAG_allow_natives_syntax = true; |
| 2633 | v8::Isolate* isolate = CcTest::isolate(); |
| 2634 | v8::HandleScope scope(isolate); |
| 2635 | v8::Local<v8::ObjectTemplate> templ = ObjectTemplate::New(isolate); |
| 2636 | templ->SetHandler( |
| 2637 | v8::NamedPropertyHandlerConfiguration(InterceptorCallICGetter6)); |
| 2638 | LocalContext context; |
| 2639 | context->Global() |
| 2640 | ->Set(context.local(), v8_str("o"), |
| 2641 | templ->NewInstance(context.local()).ToLocalChecked()) |
| 2642 | .FromJust(); |
| 2643 | call_ic_function6 = v8_compile("function f(x) { return x - 1; }; f") |
| 2644 | ->Run(context.local()) |
| 2645 | .ToLocalChecked(); |
| 2646 | v8::Local<Value> value = CompileRun( |
| 2647 | "function inc(x) { return x + 1; };" |
| 2648 | "inc(1);" |
| 2649 | "o.x = inc;" |
| 2650 | "function test() {" |
| 2651 | " var result = 0;" |
| 2652 | " for (var i = 0; i < 1000; i++) {" |
| 2653 | " result = o.x(42);" |
| 2654 | " }" |
| 2655 | " return result;" |
| 2656 | "};" |
| 2657 | "test();" |
| 2658 | "test();" |
| 2659 | "test();" |
| 2660 | "%OptimizeFunctionOnNextCall(test);" |
| 2661 | "test()"); |
| 2662 | CHECK_EQ(41, value->Int32Value(context.local()).FromJust()); |
| 2663 | } |
| 2664 | |
| 2665 | |
| 2666 | // Test the case when we stored constant function into |
| 2667 | // a stub, but it got invalidated later on |
| 2668 | THREADED_TEST(InterceptorCallICInvalidatedConstantFunction) { |
| 2669 | v8::Isolate* isolate = CcTest::isolate(); |
| 2670 | v8::HandleScope scope(isolate); |
| 2671 | v8::Local<v8::ObjectTemplate> templ = ObjectTemplate::New(isolate); |
| 2672 | templ->SetHandler(v8::NamedPropertyHandlerConfiguration(NoBlockGetterX)); |
| 2673 | LocalContext context; |
| 2674 | context->Global() |
| 2675 | ->Set(context.local(), v8_str("o"), |
| 2676 | templ->NewInstance(context.local()).ToLocalChecked()) |
| 2677 | .FromJust(); |
| 2678 | v8::Local<Value> value = CompileRun( |
| 2679 | "function inc(x) { return x + 1; };" |
| 2680 | "inc(1);" |
| 2681 | "proto1 = new Object();" |
| 2682 | "proto2 = new Object();" |
| 2683 | "o.__proto__ = proto1;" |
| 2684 | "proto1.__proto__ = proto2;" |
| 2685 | "proto2.y = inc;" |
| 2686 | // Invoke it many times to compile a stub |
| 2687 | "for (var i = 0; i < 7; i++) {" |
| 2688 | " o.y(42);" |
| 2689 | "}" |
| 2690 | "proto1.y = function(x) { return x - 1; };" |
| 2691 | "var result = 0;" |
| 2692 | "for (var i = 0; i < 7; i++) {" |
| 2693 | " result += o.y(42);" |
| 2694 | "}"); |
| 2695 | CHECK_EQ(41 * 7, value->Int32Value(context.local()).FromJust()); |
| 2696 | } |
| 2697 | |
| 2698 | |
| 2699 | // Test the case when we stored constant function into |
| 2700 | // a stub, but it got invalidated later on due to override on |
| 2701 | // global object which is between interceptor and constant function' holders. |
| 2702 | THREADED_TEST(InterceptorCallICInvalidatedConstantFunctionViaGlobal) { |
| 2703 | v8::Isolate* isolate = CcTest::isolate(); |
| 2704 | v8::HandleScope scope(isolate); |
| 2705 | v8::Local<v8::ObjectTemplate> templ = ObjectTemplate::New(isolate); |
| 2706 | templ->SetHandler(v8::NamedPropertyHandlerConfiguration(NoBlockGetterX)); |
| 2707 | LocalContext context; |
| 2708 | context->Global() |
| 2709 | ->Set(context.local(), v8_str("o"), |
| 2710 | templ->NewInstance(context.local()).ToLocalChecked()) |
| 2711 | .FromJust(); |
| 2712 | v8::Local<Value> value = CompileRun( |
| 2713 | "function inc(x) { return x + 1; };" |
| 2714 | "inc(1);" |
| 2715 | "o.__proto__ = this;" |
| 2716 | "this.__proto__.y = inc;" |
| 2717 | // Invoke it many times to compile a stub |
| 2718 | "for (var i = 0; i < 7; i++) {" |
| 2719 | " if (o.y(42) != 43) throw 'oops: ' + o.y(42);" |
| 2720 | "}" |
| 2721 | "this.y = function(x) { return x - 1; };" |
| 2722 | "var result = 0;" |
| 2723 | "for (var i = 0; i < 7; i++) {" |
| 2724 | " result += o.y(42);" |
| 2725 | "}"); |
| 2726 | CHECK_EQ(41 * 7, value->Int32Value(context.local()).FromJust()); |
| 2727 | } |
| 2728 | |
| 2729 | |
| 2730 | // Test the case when actual function to call sits on global object. |
| 2731 | THREADED_TEST(InterceptorCallICCachedFromGlobal) { |
| 2732 | v8::Isolate* isolate = CcTest::isolate(); |
| 2733 | v8::HandleScope scope(isolate); |
| 2734 | v8::Local<v8::ObjectTemplate> templ_o = ObjectTemplate::New(isolate); |
| 2735 | templ_o->SetHandler(v8::NamedPropertyHandlerConfiguration(NoBlockGetterX)); |
| 2736 | |
| 2737 | LocalContext context; |
| 2738 | context->Global() |
| 2739 | ->Set(context.local(), v8_str("o"), |
| 2740 | templ_o->NewInstance(context.local()).ToLocalChecked()) |
| 2741 | .FromJust(); |
| 2742 | |
| 2743 | v8::Local<Value> value = CompileRun( |
| 2744 | "try {" |
| 2745 | " o.__proto__ = this;" |
| 2746 | " for (var i = 0; i < 10; i++) {" |
| 2747 | " var v = o.parseFloat('239');" |
| 2748 | " if (v != 239) throw v;" |
| 2749 | // Now it should be ICed and keep a reference to parseFloat. |
| 2750 | " }" |
| 2751 | " var result = 0;" |
| 2752 | " for (var i = 0; i < 10; i++) {" |
| 2753 | " result += o.parseFloat('239');" |
| 2754 | " }" |
| 2755 | " result" |
| 2756 | "} catch(e) {" |
| 2757 | " e" |
| 2758 | "};"); |
| 2759 | CHECK_EQ(239 * 10, value->Int32Value(context.local()).FromJust()); |
| 2760 | } |
| 2761 | |
| 2762 | |
| 2763 | v8::Local<Value> keyed_call_ic_function; |
| 2764 | |
| 2765 | static void InterceptorKeyedCallICGetter( |
| 2766 | Local<Name> name, const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 2767 | ApiTestFuzzer::Fuzz(); |
| 2768 | if (v8_str("x") |
| 2769 | ->Equals(info.GetIsolate()->GetCurrentContext(), name) |
| 2770 | .FromJust()) { |
| 2771 | info.GetReturnValue().Set(keyed_call_ic_function); |
| 2772 | } |
| 2773 | } |
| 2774 | |
| 2775 | |
| 2776 | // Test the case when we stored cacheable lookup into |
| 2777 | // a stub, but the function name changed (to another cacheable function). |
| 2778 | THREADED_TEST(InterceptorKeyedCallICKeyChange1) { |
| 2779 | v8::Isolate* isolate = CcTest::isolate(); |
| 2780 | v8::HandleScope scope(isolate); |
| 2781 | v8::Local<v8::ObjectTemplate> templ = ObjectTemplate::New(isolate); |
| 2782 | templ->SetHandler(v8::NamedPropertyHandlerConfiguration(NoBlockGetterX)); |
| 2783 | LocalContext context; |
| 2784 | context->Global() |
| 2785 | ->Set(context.local(), v8_str("o"), |
| 2786 | templ->NewInstance(context.local()).ToLocalChecked()) |
| 2787 | .FromJust(); |
| 2788 | CompileRun( |
| 2789 | "proto = new Object();" |
| 2790 | "proto.y = function(x) { return x + 1; };" |
| 2791 | "proto.z = function(x) { return x - 1; };" |
| 2792 | "o.__proto__ = proto;" |
| 2793 | "var result = 0;" |
| 2794 | "var method = 'y';" |
| 2795 | "for (var i = 0; i < 10; i++) {" |
| 2796 | " if (i == 5) { method = 'z'; };" |
| 2797 | " result += o[method](41);" |
| 2798 | "}"); |
| 2799 | CHECK_EQ(42 * 5 + 40 * 5, context->Global() |
| 2800 | ->Get(context.local(), v8_str("result")) |
| 2801 | .ToLocalChecked() |
| 2802 | ->Int32Value(context.local()) |
| 2803 | .FromJust()); |
| 2804 | } |
| 2805 | |
| 2806 | |
| 2807 | // Test the case when we stored cacheable lookup into |
| 2808 | // a stub, but the function name changed (and the new function is present |
| 2809 | // both before and after the interceptor in the prototype chain). |
| 2810 | THREADED_TEST(InterceptorKeyedCallICKeyChange2) { |
| 2811 | v8::Isolate* isolate = CcTest::isolate(); |
| 2812 | v8::HandleScope scope(isolate); |
| 2813 | v8::Local<v8::ObjectTemplate> templ = ObjectTemplate::New(isolate); |
| 2814 | templ->SetHandler( |
| 2815 | v8::NamedPropertyHandlerConfiguration(InterceptorKeyedCallICGetter)); |
| 2816 | LocalContext context; |
| 2817 | context->Global() |
| 2818 | ->Set(context.local(), v8_str("proto1"), |
| 2819 | templ->NewInstance(context.local()).ToLocalChecked()) |
| 2820 | .FromJust(); |
| 2821 | keyed_call_ic_function = v8_compile("function f(x) { return x - 1; }; f") |
| 2822 | ->Run(context.local()) |
| 2823 | .ToLocalChecked(); |
| 2824 | CompileRun( |
| 2825 | "o = new Object();" |
| 2826 | "proto2 = new Object();" |
| 2827 | "o.y = function(x) { return x + 1; };" |
| 2828 | "proto2.y = function(x) { return x + 2; };" |
| 2829 | "o.__proto__ = proto1;" |
| 2830 | "proto1.__proto__ = proto2;" |
| 2831 | "var result = 0;" |
| 2832 | "var method = 'x';" |
| 2833 | "for (var i = 0; i < 10; i++) {" |
| 2834 | " if (i == 5) { method = 'y'; };" |
| 2835 | " result += o[method](41);" |
| 2836 | "}"); |
| 2837 | CHECK_EQ(42 * 5 + 40 * 5, context->Global() |
| 2838 | ->Get(context.local(), v8_str("result")) |
| 2839 | .ToLocalChecked() |
| 2840 | ->Int32Value(context.local()) |
| 2841 | .FromJust()); |
| 2842 | } |
| 2843 | |
| 2844 | |
| 2845 | // Same as InterceptorKeyedCallICKeyChange1 only the cacheable function sit |
| 2846 | // on the global object. |
| 2847 | THREADED_TEST(InterceptorKeyedCallICKeyChangeOnGlobal) { |
| 2848 | v8::Isolate* isolate = CcTest::isolate(); |
| 2849 | v8::HandleScope scope(isolate); |
| 2850 | v8::Local<v8::ObjectTemplate> templ = ObjectTemplate::New(isolate); |
| 2851 | templ->SetHandler(v8::NamedPropertyHandlerConfiguration(NoBlockGetterX)); |
| 2852 | LocalContext context; |
| 2853 | context->Global() |
| 2854 | ->Set(context.local(), v8_str("o"), |
| 2855 | templ->NewInstance(context.local()).ToLocalChecked()) |
| 2856 | .FromJust(); |
| 2857 | CompileRun( |
| 2858 | "function inc(x) { return x + 1; };" |
| 2859 | "inc(1);" |
| 2860 | "function dec(x) { return x - 1; };" |
| 2861 | "dec(1);" |
| 2862 | "o.__proto__ = this;" |
| 2863 | "this.__proto__.x = inc;" |
| 2864 | "this.__proto__.y = dec;" |
| 2865 | "var result = 0;" |
| 2866 | "var method = 'x';" |
| 2867 | "for (var i = 0; i < 10; i++) {" |
| 2868 | " if (i == 5) { method = 'y'; };" |
| 2869 | " result += o[method](41);" |
| 2870 | "}"); |
| 2871 | CHECK_EQ(42 * 5 + 40 * 5, context->Global() |
| 2872 | ->Get(context.local(), v8_str("result")) |
| 2873 | .ToLocalChecked() |
| 2874 | ->Int32Value(context.local()) |
| 2875 | .FromJust()); |
| 2876 | } |
| 2877 | |
| 2878 | |
| 2879 | // Test the case when actual function to call sits on global object. |
| 2880 | THREADED_TEST(InterceptorKeyedCallICFromGlobal) { |
| 2881 | v8::Isolate* isolate = CcTest::isolate(); |
| 2882 | v8::HandleScope scope(isolate); |
| 2883 | v8::Local<v8::ObjectTemplate> templ_o = ObjectTemplate::New(isolate); |
| 2884 | templ_o->SetHandler(v8::NamedPropertyHandlerConfiguration(NoBlockGetterX)); |
| 2885 | LocalContext context; |
| 2886 | context->Global() |
| 2887 | ->Set(context.local(), v8_str("o"), |
| 2888 | templ_o->NewInstance(context.local()).ToLocalChecked()) |
| 2889 | .FromJust(); |
| 2890 | |
| 2891 | CompileRun( |
| 2892 | "function len(x) { return x.length; };" |
| 2893 | "o.__proto__ = this;" |
| 2894 | "var m = 'parseFloat';" |
| 2895 | "var result = 0;" |
| 2896 | "for (var i = 0; i < 10; i++) {" |
| 2897 | " if (i == 5) {" |
| 2898 | " m = 'len';" |
| 2899 | " saved_result = result;" |
| 2900 | " };" |
| 2901 | " result = o[m]('239');" |
| 2902 | "}"); |
| 2903 | CHECK_EQ(3, context->Global() |
| 2904 | ->Get(context.local(), v8_str("result")) |
| 2905 | .ToLocalChecked() |
| 2906 | ->Int32Value(context.local()) |
| 2907 | .FromJust()); |
| 2908 | CHECK_EQ(239, context->Global() |
| 2909 | ->Get(context.local(), v8_str("saved_result")) |
| 2910 | .ToLocalChecked() |
| 2911 | ->Int32Value(context.local()) |
| 2912 | .FromJust()); |
| 2913 | } |
| 2914 | |
| 2915 | |
| 2916 | // Test the map transition before the interceptor. |
| 2917 | THREADED_TEST(InterceptorKeyedCallICMapChangeBefore) { |
| 2918 | v8::Isolate* isolate = CcTest::isolate(); |
| 2919 | v8::HandleScope scope(isolate); |
| 2920 | v8::Local<v8::ObjectTemplate> templ_o = ObjectTemplate::New(isolate); |
| 2921 | templ_o->SetHandler(v8::NamedPropertyHandlerConfiguration(NoBlockGetterX)); |
| 2922 | LocalContext context; |
| 2923 | context->Global() |
| 2924 | ->Set(context.local(), v8_str("proto"), |
| 2925 | templ_o->NewInstance(context.local()).ToLocalChecked()) |
| 2926 | .FromJust(); |
| 2927 | |
| 2928 | CompileRun( |
| 2929 | "var o = new Object();" |
| 2930 | "o.__proto__ = proto;" |
| 2931 | "o.method = function(x) { return x + 1; };" |
| 2932 | "var m = 'method';" |
| 2933 | "var result = 0;" |
| 2934 | "for (var i = 0; i < 10; i++) {" |
| 2935 | " if (i == 5) { o.method = function(x) { return x - 1; }; };" |
| 2936 | " result += o[m](41);" |
| 2937 | "}"); |
| 2938 | CHECK_EQ(42 * 5 + 40 * 5, context->Global() |
| 2939 | ->Get(context.local(), v8_str("result")) |
| 2940 | .ToLocalChecked() |
| 2941 | ->Int32Value(context.local()) |
| 2942 | .FromJust()); |
| 2943 | } |
| 2944 | |
| 2945 | |
| 2946 | // Test the map transition after the interceptor. |
| 2947 | THREADED_TEST(InterceptorKeyedCallICMapChangeAfter) { |
| 2948 | v8::Isolate* isolate = CcTest::isolate(); |
| 2949 | v8::HandleScope scope(isolate); |
| 2950 | v8::Local<v8::ObjectTemplate> templ_o = ObjectTemplate::New(isolate); |
| 2951 | templ_o->SetHandler(v8::NamedPropertyHandlerConfiguration(NoBlockGetterX)); |
| 2952 | LocalContext context; |
| 2953 | context->Global() |
| 2954 | ->Set(context.local(), v8_str("o"), |
| 2955 | templ_o->NewInstance(context.local()).ToLocalChecked()) |
| 2956 | .FromJust(); |
| 2957 | |
| 2958 | CompileRun( |
| 2959 | "var proto = new Object();" |
| 2960 | "o.__proto__ = proto;" |
| 2961 | "proto.method = function(x) { return x + 1; };" |
| 2962 | "var m = 'method';" |
| 2963 | "var result = 0;" |
| 2964 | "for (var i = 0; i < 10; i++) {" |
| 2965 | " if (i == 5) { proto.method = function(x) { return x - 1; }; };" |
| 2966 | " result += o[m](41);" |
| 2967 | "}"); |
| 2968 | CHECK_EQ(42 * 5 + 40 * 5, context->Global() |
| 2969 | ->Get(context.local(), v8_str("result")) |
| 2970 | .ToLocalChecked() |
| 2971 | ->Int32Value(context.local()) |
| 2972 | .FromJust()); |
| 2973 | } |
| 2974 | |
| 2975 | |
| 2976 | static int interceptor_call_count = 0; |
| 2977 | |
| 2978 | static void InterceptorICRefErrorGetter( |
| 2979 | Local<Name> name, const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 2980 | ApiTestFuzzer::Fuzz(); |
| 2981 | if (!is_bootstrapping && |
| 2982 | v8_str("x") |
| 2983 | ->Equals(info.GetIsolate()->GetCurrentContext(), name) |
| 2984 | .FromJust() && |
| 2985 | interceptor_call_count++ < 20) { |
| 2986 | info.GetReturnValue().Set(call_ic_function2); |
| 2987 | } |
| 2988 | } |
| 2989 | |
| 2990 | |
| 2991 | // This test should hit load and call ICs for the interceptor case. |
| 2992 | // Once in a while, the interceptor will reply that a property was not |
| 2993 | // found in which case we should get a reference error. |
| 2994 | THREADED_TEST(InterceptorICReferenceErrors) { |
| 2995 | v8::Isolate* isolate = CcTest::isolate(); |
| 2996 | v8::HandleScope scope(isolate); |
| 2997 | v8::Local<v8::ObjectTemplate> templ = ObjectTemplate::New(isolate); |
| 2998 | templ->SetHandler( |
| 2999 | v8::NamedPropertyHandlerConfiguration(InterceptorICRefErrorGetter)); |
| 3000 | is_bootstrapping = true; |
| 3001 | LocalContext context(0, templ, v8::Local<Value>()); |
| 3002 | is_bootstrapping = false; |
| 3003 | call_ic_function2 = v8_compile("function h(x) { return x; }; h") |
| 3004 | ->Run(context.local()) |
| 3005 | .ToLocalChecked(); |
| 3006 | v8::Local<Value> value = CompileRun( |
| 3007 | "function f() {" |
| 3008 | " for (var i = 0; i < 1000; i++) {" |
| 3009 | " try { x; } catch(e) { return true; }" |
| 3010 | " }" |
| 3011 | " return false;" |
| 3012 | "};" |
| 3013 | "f();"); |
| 3014 | CHECK_EQ(true, value->BooleanValue(context.local()).FromJust()); |
| 3015 | interceptor_call_count = 0; |
| 3016 | value = CompileRun( |
| 3017 | "function g() {" |
| 3018 | " for (var i = 0; i < 1000; i++) {" |
| 3019 | " try { x(42); } catch(e) { return true; }" |
| 3020 | " }" |
| 3021 | " return false;" |
| 3022 | "};" |
| 3023 | "g();"); |
| 3024 | CHECK_EQ(true, value->BooleanValue(context.local()).FromJust()); |
| 3025 | } |
| 3026 | |
| 3027 | |
| 3028 | static int interceptor_ic_exception_get_count = 0; |
| 3029 | |
| 3030 | static void InterceptorICExceptionGetter( |
| 3031 | Local<Name> name, const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 3032 | ApiTestFuzzer::Fuzz(); |
| 3033 | if (is_bootstrapping) return; |
| 3034 | if (v8_str("x") |
| 3035 | ->Equals(info.GetIsolate()->GetCurrentContext(), name) |
| 3036 | .FromJust() && |
| 3037 | ++interceptor_ic_exception_get_count < 20) { |
| 3038 | info.GetReturnValue().Set(call_ic_function3); |
| 3039 | } |
| 3040 | if (interceptor_ic_exception_get_count == 20) { |
| 3041 | info.GetIsolate()->ThrowException(v8_num(42)); |
| 3042 | return; |
| 3043 | } |
| 3044 | } |
| 3045 | |
| 3046 | |
| 3047 | // Test interceptor load/call IC where the interceptor throws an |
| 3048 | // exception once in a while. |
| 3049 | THREADED_TEST(InterceptorICGetterExceptions) { |
| 3050 | interceptor_ic_exception_get_count = 0; |
| 3051 | v8::Isolate* isolate = CcTest::isolate(); |
| 3052 | v8::HandleScope scope(isolate); |
| 3053 | v8::Local<v8::ObjectTemplate> templ = ObjectTemplate::New(isolate); |
| 3054 | templ->SetHandler( |
| 3055 | v8::NamedPropertyHandlerConfiguration(InterceptorICExceptionGetter)); |
| 3056 | is_bootstrapping = true; |
| 3057 | LocalContext context(0, templ, v8::Local<Value>()); |
| 3058 | is_bootstrapping = false; |
| 3059 | call_ic_function3 = v8_compile("function h(x) { return x; }; h") |
| 3060 | ->Run(context.local()) |
| 3061 | .ToLocalChecked(); |
| 3062 | v8::Local<Value> value = CompileRun( |
| 3063 | "function f() {" |
| 3064 | " for (var i = 0; i < 100; i++) {" |
| 3065 | " try { x; } catch(e) { return true; }" |
| 3066 | " }" |
| 3067 | " return false;" |
| 3068 | "};" |
| 3069 | "f();"); |
| 3070 | CHECK_EQ(true, value->BooleanValue(context.local()).FromJust()); |
| 3071 | interceptor_ic_exception_get_count = 0; |
| 3072 | value = CompileRun( |
| 3073 | "function f() {" |
| 3074 | " for (var i = 0; i < 100; i++) {" |
| 3075 | " try { x(42); } catch(e) { return true; }" |
| 3076 | " }" |
| 3077 | " return false;" |
| 3078 | "};" |
| 3079 | "f();"); |
| 3080 | CHECK_EQ(true, value->BooleanValue(context.local()).FromJust()); |
| 3081 | } |
| 3082 | |
| 3083 | |
| 3084 | static int interceptor_ic_exception_set_count = 0; |
| 3085 | |
| 3086 | static void InterceptorICExceptionSetter( |
| 3087 | Local<Name> key, Local<Value> value, |
| 3088 | const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 3089 | ApiTestFuzzer::Fuzz(); |
| 3090 | if (++interceptor_ic_exception_set_count > 20) { |
| 3091 | info.GetIsolate()->ThrowException(v8_num(42)); |
| 3092 | } |
| 3093 | } |
| 3094 | |
| 3095 | |
| 3096 | // Test interceptor store IC where the interceptor throws an exception |
| 3097 | // once in a while. |
| 3098 | THREADED_TEST(InterceptorICSetterExceptions) { |
| 3099 | interceptor_ic_exception_set_count = 0; |
| 3100 | v8::Isolate* isolate = CcTest::isolate(); |
| 3101 | v8::HandleScope scope(isolate); |
| 3102 | v8::Local<v8::ObjectTemplate> templ = ObjectTemplate::New(isolate); |
| 3103 | templ->SetHandler( |
| 3104 | v8::NamedPropertyHandlerConfiguration(0, InterceptorICExceptionSetter)); |
| 3105 | LocalContext context(0, templ, v8::Local<Value>()); |
| 3106 | v8::Local<Value> value = CompileRun( |
| 3107 | "function f() {" |
| 3108 | " for (var i = 0; i < 100; i++) {" |
| 3109 | " try { x = 42; } catch(e) { return true; }" |
| 3110 | " }" |
| 3111 | " return false;" |
| 3112 | "};" |
| 3113 | "f();"); |
| 3114 | CHECK_EQ(true, value->BooleanValue(context.local()).FromJust()); |
| 3115 | } |
| 3116 | |
| 3117 | |
| 3118 | // Test that we ignore null interceptors. |
| 3119 | THREADED_TEST(NullNamedInterceptor) { |
| 3120 | v8::Isolate* isolate = CcTest::isolate(); |
| 3121 | v8::HandleScope scope(isolate); |
| 3122 | v8::Local<v8::ObjectTemplate> templ = ObjectTemplate::New(isolate); |
| 3123 | templ->SetHandler(v8::NamedPropertyHandlerConfiguration( |
| 3124 | static_cast<v8::GenericNamedPropertyGetterCallback>(0))); |
| 3125 | LocalContext context; |
| 3126 | templ->Set(CcTest::isolate(), "x", v8_num(42)); |
| 3127 | v8::Local<v8::Object> obj = |
| 3128 | templ->NewInstance(context.local()).ToLocalChecked(); |
| 3129 | context->Global()->Set(context.local(), v8_str("obj"), obj).FromJust(); |
| 3130 | v8::Local<Value> value = CompileRun("obj.x"); |
| 3131 | CHECK(value->IsInt32()); |
| 3132 | CHECK_EQ(42, value->Int32Value(context.local()).FromJust()); |
| 3133 | } |
| 3134 | |
| 3135 | |
| 3136 | // Test that we ignore null interceptors. |
| 3137 | THREADED_TEST(NullIndexedInterceptor) { |
| 3138 | v8::Isolate* isolate = CcTest::isolate(); |
| 3139 | v8::HandleScope scope(isolate); |
| 3140 | v8::Local<v8::ObjectTemplate> templ = ObjectTemplate::New(isolate); |
| 3141 | templ->SetHandler(v8::IndexedPropertyHandlerConfiguration( |
| 3142 | static_cast<v8::IndexedPropertyGetterCallback>(0))); |
| 3143 | LocalContext context; |
| 3144 | templ->Set(CcTest::isolate(), "42", v8_num(42)); |
| 3145 | v8::Local<v8::Object> obj = |
| 3146 | templ->NewInstance(context.local()).ToLocalChecked(); |
| 3147 | context->Global()->Set(context.local(), v8_str("obj"), obj).FromJust(); |
| 3148 | v8::Local<Value> value = CompileRun("obj[42]"); |
| 3149 | CHECK(value->IsInt32()); |
| 3150 | CHECK_EQ(42, value->Int32Value(context.local()).FromJust()); |
| 3151 | } |
| 3152 | |
| 3153 | |
| 3154 | THREADED_TEST(NamedPropertyHandlerGetterAttributes) { |
| 3155 | v8::Isolate* isolate = CcTest::isolate(); |
| 3156 | v8::HandleScope scope(isolate); |
| 3157 | v8::Local<v8::FunctionTemplate> templ = v8::FunctionTemplate::New(isolate); |
| 3158 | templ->InstanceTemplate()->SetHandler( |
| 3159 | v8::NamedPropertyHandlerConfiguration(InterceptorLoadXICGetter)); |
| 3160 | LocalContext env; |
| 3161 | env->Global() |
| 3162 | ->Set(env.local(), v8_str("obj"), templ->GetFunction(env.local()) |
| 3163 | .ToLocalChecked() |
| 3164 | ->NewInstance(env.local()) |
| 3165 | .ToLocalChecked()) |
| 3166 | .FromJust(); |
| 3167 | ExpectTrue("obj.x === 42"); |
| 3168 | ExpectTrue("!obj.propertyIsEnumerable('x')"); |
| 3169 | } |
| 3170 | |
| 3171 | |
| 3172 | THREADED_TEST(Regress256330) { |
| 3173 | i::FLAG_allow_natives_syntax = true; |
| 3174 | LocalContext context; |
| 3175 | v8::HandleScope scope(context->GetIsolate()); |
| 3176 | Local<FunctionTemplate> templ = FunctionTemplate::New(context->GetIsolate()); |
| 3177 | AddInterceptor(templ, InterceptorGetter, InterceptorSetter); |
| 3178 | context->Global() |
| 3179 | ->Set(context.local(), v8_str("Bug"), |
| 3180 | templ->GetFunction(context.local()).ToLocalChecked()) |
| 3181 | .FromJust(); |
| 3182 | CompileRun( |
| 3183 | "\"use strict\"; var o = new Bug;" |
| 3184 | "function f(o) { o.x = 10; };" |
| 3185 | "f(o); f(o); f(o);" |
| 3186 | "%OptimizeFunctionOnNextCall(f);" |
| 3187 | "f(o);"); |
| 3188 | ExpectBoolean("%GetOptimizationStatus(f) != 2", true); |
| 3189 | } |
| 3190 | |
| 3191 | |
| 3192 | THREADED_TEST(CrankshaftInterceptorSetter) { |
| 3193 | i::FLAG_allow_natives_syntax = true; |
| 3194 | v8::HandleScope scope(CcTest::isolate()); |
| 3195 | Local<FunctionTemplate> templ = FunctionTemplate::New(CcTest::isolate()); |
| 3196 | AddInterceptor(templ, InterceptorGetter, InterceptorSetter); |
| 3197 | LocalContext env; |
| 3198 | env->Global() |
| 3199 | ->Set(env.local(), v8_str("Obj"), |
| 3200 | templ->GetFunction(env.local()).ToLocalChecked()) |
| 3201 | .FromJust(); |
| 3202 | CompileRun( |
| 3203 | "var obj = new Obj;" |
| 3204 | // Initialize fields to avoid transitions later. |
| 3205 | "obj.age = 0;" |
| 3206 | "obj.accessor_age = 42;" |
| 3207 | "function setter(i) { this.accessor_age = i; };" |
| 3208 | "function getter() { return this.accessor_age; };" |
| 3209 | "function setAge(i) { obj.age = i; };" |
| 3210 | "Object.defineProperty(obj, 'age', { get:getter, set:setter });" |
| 3211 | "setAge(1);" |
| 3212 | "setAge(2);" |
| 3213 | "setAge(3);" |
| 3214 | "%OptimizeFunctionOnNextCall(setAge);" |
| 3215 | "setAge(4);"); |
| 3216 | // All stores went through the interceptor. |
| 3217 | ExpectInt32("obj.interceptor_age", 4); |
| 3218 | ExpectInt32("obj.accessor_age", 42); |
| 3219 | } |
| 3220 | |
| 3221 | |
| 3222 | THREADED_TEST(CrankshaftInterceptorGetter) { |
| 3223 | i::FLAG_allow_natives_syntax = true; |
| 3224 | v8::HandleScope scope(CcTest::isolate()); |
| 3225 | Local<FunctionTemplate> templ = FunctionTemplate::New(CcTest::isolate()); |
| 3226 | AddInterceptor(templ, InterceptorGetter, InterceptorSetter); |
| 3227 | LocalContext env; |
| 3228 | env->Global() |
| 3229 | ->Set(env.local(), v8_str("Obj"), |
| 3230 | templ->GetFunction(env.local()).ToLocalChecked()) |
| 3231 | .FromJust(); |
| 3232 | CompileRun( |
| 3233 | "var obj = new Obj;" |
| 3234 | // Initialize fields to avoid transitions later. |
| 3235 | "obj.age = 1;" |
| 3236 | "obj.accessor_age = 42;" |
| 3237 | "function getter() { return this.accessor_age; };" |
| 3238 | "function getAge() { return obj.interceptor_age; };" |
| 3239 | "Object.defineProperty(obj, 'interceptor_age', { get:getter });" |
| 3240 | "getAge();" |
| 3241 | "getAge();" |
| 3242 | "getAge();" |
| 3243 | "%OptimizeFunctionOnNextCall(getAge);"); |
| 3244 | // Access through interceptor. |
| 3245 | ExpectInt32("getAge()", 1); |
| 3246 | } |
| 3247 | |
| 3248 | |
| 3249 | THREADED_TEST(CrankshaftInterceptorFieldRead) { |
| 3250 | i::FLAG_allow_natives_syntax = true; |
| 3251 | v8::HandleScope scope(CcTest::isolate()); |
| 3252 | Local<FunctionTemplate> templ = FunctionTemplate::New(CcTest::isolate()); |
| 3253 | AddInterceptor(templ, InterceptorGetter, InterceptorSetter); |
| 3254 | LocalContext env; |
| 3255 | env->Global() |
| 3256 | ->Set(env.local(), v8_str("Obj"), |
| 3257 | templ->GetFunction(env.local()).ToLocalChecked()) |
| 3258 | .FromJust(); |
| 3259 | CompileRun( |
| 3260 | "var obj = new Obj;" |
| 3261 | "obj.__proto__.interceptor_age = 42;" |
| 3262 | "obj.age = 100;" |
| 3263 | "function getAge() { return obj.interceptor_age; };"); |
| 3264 | ExpectInt32("getAge();", 100); |
| 3265 | ExpectInt32("getAge();", 100); |
| 3266 | ExpectInt32("getAge();", 100); |
| 3267 | CompileRun("%OptimizeFunctionOnNextCall(getAge);"); |
| 3268 | // Access through interceptor. |
| 3269 | ExpectInt32("getAge();", 100); |
| 3270 | } |
| 3271 | |
| 3272 | |
| 3273 | THREADED_TEST(CrankshaftInterceptorFieldWrite) { |
| 3274 | i::FLAG_allow_natives_syntax = true; |
| 3275 | v8::HandleScope scope(CcTest::isolate()); |
| 3276 | Local<FunctionTemplate> templ = FunctionTemplate::New(CcTest::isolate()); |
| 3277 | AddInterceptor(templ, InterceptorGetter, InterceptorSetter); |
| 3278 | LocalContext env; |
| 3279 | env->Global() |
| 3280 | ->Set(env.local(), v8_str("Obj"), |
| 3281 | templ->GetFunction(env.local()).ToLocalChecked()) |
| 3282 | .FromJust(); |
| 3283 | CompileRun( |
| 3284 | "var obj = new Obj;" |
| 3285 | "obj.age = 100000;" |
| 3286 | "function setAge(i) { obj.age = i };" |
| 3287 | "setAge(100);" |
| 3288 | "setAge(101);" |
| 3289 | "setAge(102);" |
| 3290 | "%OptimizeFunctionOnNextCall(setAge);" |
| 3291 | "setAge(103);"); |
| 3292 | ExpectInt32("obj.age", 100000); |
| 3293 | ExpectInt32("obj.interceptor_age", 103); |
| 3294 | } |
| 3295 | |
| 3296 | |
| 3297 | THREADED_TEST(Regress149912) { |
| 3298 | LocalContext context; |
| 3299 | v8::HandleScope scope(context->GetIsolate()); |
| 3300 | Local<FunctionTemplate> templ = FunctionTemplate::New(context->GetIsolate()); |
| 3301 | AddInterceptor(templ, EmptyInterceptorGetter, EmptyInterceptorSetter); |
| 3302 | context->Global() |
| 3303 | ->Set(context.local(), v8_str("Bug"), |
| 3304 | templ->GetFunction(context.local()).ToLocalChecked()) |
| 3305 | .FromJust(); |
| 3306 | CompileRun("Number.prototype.__proto__ = new Bug; var x = 0; x.foo();"); |
| 3307 | } |
| 3308 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 3309 | THREADED_TEST(Regress625155) { |
| 3310 | LocalContext context; |
| 3311 | v8::HandleScope scope(context->GetIsolate()); |
| 3312 | Local<FunctionTemplate> templ = FunctionTemplate::New(context->GetIsolate()); |
| 3313 | AddInterceptor(templ, EmptyInterceptorGetter, EmptyInterceptorSetter); |
| 3314 | context->Global() |
| 3315 | ->Set(context.local(), v8_str("Bug"), |
| 3316 | templ->GetFunction(context.local()).ToLocalChecked()) |
| 3317 | .FromJust(); |
| 3318 | CompileRun( |
| 3319 | "Number.prototype.__proto__ = new Bug;" |
| 3320 | "var x;" |
| 3321 | "x = 0xdead;" |
| 3322 | "x.boom = 0;" |
| 3323 | "x = 's';" |
| 3324 | "x.boom = 0;" |
| 3325 | "x = 1.5;" |
| 3326 | "x.boom = 0;"); |
| 3327 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3328 | |
| 3329 | THREADED_TEST(Regress125988) { |
| 3330 | v8::HandleScope scope(CcTest::isolate()); |
| 3331 | Local<FunctionTemplate> intercept = FunctionTemplate::New(CcTest::isolate()); |
| 3332 | AddInterceptor(intercept, EmptyInterceptorGetter, EmptyInterceptorSetter); |
| 3333 | LocalContext env; |
| 3334 | env->Global() |
| 3335 | ->Set(env.local(), v8_str("Intercept"), |
| 3336 | intercept->GetFunction(env.local()).ToLocalChecked()) |
| 3337 | .FromJust(); |
| 3338 | CompileRun( |
| 3339 | "var a = new Object();" |
| 3340 | "var b = new Intercept();" |
| 3341 | "var c = new Object();" |
| 3342 | "c.__proto__ = b;" |
| 3343 | "b.__proto__ = a;" |
| 3344 | "a.x = 23;" |
| 3345 | "for (var i = 0; i < 3; i++) c.x;"); |
| 3346 | ExpectBoolean("c.hasOwnProperty('x')", false); |
| 3347 | ExpectInt32("c.x", 23); |
| 3348 | CompileRun( |
| 3349 | "a.y = 42;" |
| 3350 | "for (var i = 0; i < 3; i++) c.x;"); |
| 3351 | ExpectBoolean("c.hasOwnProperty('x')", false); |
| 3352 | ExpectInt32("c.x", 23); |
| 3353 | ExpectBoolean("c.hasOwnProperty('y')", false); |
| 3354 | ExpectInt32("c.y", 42); |
| 3355 | } |
| 3356 | |
| 3357 | |
| 3358 | static void IndexedPropertyEnumerator( |
| 3359 | const v8::PropertyCallbackInfo<v8::Array>& info) { |
| 3360 | v8::Local<v8::Array> result = v8::Array::New(info.GetIsolate(), 1); |
| 3361 | result->Set(info.GetIsolate()->GetCurrentContext(), 0, |
| 3362 | v8::Integer::New(info.GetIsolate(), 7)) |
| 3363 | .FromJust(); |
| 3364 | info.GetReturnValue().Set(result); |
| 3365 | } |
| 3366 | |
| 3367 | |
| 3368 | static void NamedPropertyEnumerator( |
| 3369 | const v8::PropertyCallbackInfo<v8::Array>& info) { |
| 3370 | v8::Local<v8::Array> result = v8::Array::New(info.GetIsolate(), 2); |
| 3371 | v8::Local<v8::Context> context = info.GetIsolate()->GetCurrentContext(); |
| 3372 | result->Set(context, 0, v8_str("x")).FromJust(); |
| 3373 | result->Set(context, 1, v8::Symbol::GetIterator(info.GetIsolate())) |
| 3374 | .FromJust(); |
| 3375 | info.GetReturnValue().Set(result); |
| 3376 | } |
| 3377 | |
| 3378 | |
| 3379 | THREADED_TEST(GetOwnPropertyNamesWithInterceptor) { |
| 3380 | v8::Isolate* isolate = CcTest::isolate(); |
| 3381 | v8::HandleScope handle_scope(isolate); |
| 3382 | v8::Local<v8::ObjectTemplate> obj_template = v8::ObjectTemplate::New(isolate); |
| 3383 | |
| 3384 | obj_template->Set(v8_str("7"), v8::Integer::New(CcTest::isolate(), 7)); |
| 3385 | obj_template->Set(v8_str("x"), v8::Integer::New(CcTest::isolate(), 42)); |
| 3386 | obj_template->SetHandler(v8::IndexedPropertyHandlerConfiguration( |
| 3387 | NULL, NULL, NULL, NULL, IndexedPropertyEnumerator)); |
| 3388 | obj_template->SetHandler(v8::NamedPropertyHandlerConfiguration( |
| 3389 | NULL, NULL, NULL, NULL, NamedPropertyEnumerator)); |
| 3390 | |
| 3391 | LocalContext context; |
| 3392 | v8::Local<v8::Object> global = context->Global(); |
| 3393 | global->Set(context.local(), v8_str("object"), |
| 3394 | obj_template->NewInstance(context.local()).ToLocalChecked()) |
| 3395 | .FromJust(); |
| 3396 | |
| 3397 | v8::Local<v8::Value> result = |
| 3398 | CompileRun("Object.getOwnPropertyNames(object)"); |
| 3399 | CHECK(result->IsArray()); |
| 3400 | v8::Local<v8::Array> result_array = v8::Local<v8::Array>::Cast(result); |
| 3401 | CHECK_EQ(2u, result_array->Length()); |
| 3402 | CHECK(result_array->Get(context.local(), 0).ToLocalChecked()->IsString()); |
| 3403 | CHECK(result_array->Get(context.local(), 1).ToLocalChecked()->IsString()); |
| 3404 | CHECK(v8_str("7") |
| 3405 | ->Equals(context.local(), |
| 3406 | result_array->Get(context.local(), 0).ToLocalChecked()) |
| 3407 | .FromJust()); |
| 3408 | CHECK(v8_str("x") |
| 3409 | ->Equals(context.local(), |
| 3410 | result_array->Get(context.local(), 1).ToLocalChecked()) |
| 3411 | .FromJust()); |
| 3412 | |
| 3413 | result = CompileRun("var ret = []; for (var k in object) ret.push(k); ret"); |
| 3414 | CHECK(result->IsArray()); |
| 3415 | result_array = v8::Local<v8::Array>::Cast(result); |
| 3416 | CHECK_EQ(2u, result_array->Length()); |
| 3417 | CHECK(result_array->Get(context.local(), 0).ToLocalChecked()->IsString()); |
| 3418 | CHECK(result_array->Get(context.local(), 1).ToLocalChecked()->IsString()); |
| 3419 | CHECK(v8_str("7") |
| 3420 | ->Equals(context.local(), |
| 3421 | result_array->Get(context.local(), 0).ToLocalChecked()) |
| 3422 | .FromJust()); |
| 3423 | CHECK(v8_str("x") |
| 3424 | ->Equals(context.local(), |
| 3425 | result_array->Get(context.local(), 1).ToLocalChecked()) |
| 3426 | .FromJust()); |
| 3427 | |
| 3428 | result = CompileRun("Object.getOwnPropertySymbols(object)"); |
| 3429 | CHECK(result->IsArray()); |
| 3430 | result_array = v8::Local<v8::Array>::Cast(result); |
| 3431 | CHECK_EQ(1u, result_array->Length()); |
| 3432 | CHECK(result_array->Get(context.local(), 0) |
| 3433 | .ToLocalChecked() |
| 3434 | ->Equals(context.local(), v8::Symbol::GetIterator(isolate)) |
| 3435 | .FromJust()); |
| 3436 | } |
| 3437 | |
| 3438 | |
| 3439 | static void IndexedPropertyEnumeratorException( |
| 3440 | const v8::PropertyCallbackInfo<v8::Array>& info) { |
| 3441 | info.GetIsolate()->ThrowException(v8_num(42)); |
| 3442 | } |
| 3443 | |
| 3444 | |
| 3445 | THREADED_TEST(GetOwnPropertyNamesWithIndexedInterceptorExceptions_regress4026) { |
| 3446 | v8::Isolate* isolate = CcTest::isolate(); |
| 3447 | v8::HandleScope handle_scope(isolate); |
| 3448 | v8::Local<v8::ObjectTemplate> obj_template = v8::ObjectTemplate::New(isolate); |
| 3449 | |
| 3450 | obj_template->Set(v8_str("7"), v8::Integer::New(CcTest::isolate(), 7)); |
| 3451 | obj_template->Set(v8_str("x"), v8::Integer::New(CcTest::isolate(), 42)); |
| 3452 | // First just try a failing indexed interceptor. |
| 3453 | obj_template->SetHandler(v8::IndexedPropertyHandlerConfiguration( |
| 3454 | NULL, NULL, NULL, NULL, IndexedPropertyEnumeratorException)); |
| 3455 | |
| 3456 | LocalContext context; |
| 3457 | v8::Local<v8::Object> global = context->Global(); |
| 3458 | global->Set(context.local(), v8_str("object"), |
| 3459 | obj_template->NewInstance(context.local()).ToLocalChecked()) |
| 3460 | .FromJust(); |
| 3461 | v8::Local<v8::Value> result = CompileRun( |
| 3462 | "var result = []; " |
| 3463 | "try { " |
| 3464 | " for (var k in object) result .push(k);" |
| 3465 | "} catch (e) {" |
| 3466 | " result = e" |
| 3467 | "}" |
| 3468 | "result "); |
| 3469 | CHECK(!result->IsArray()); |
| 3470 | CHECK(v8_num(42)->Equals(context.local(), result).FromJust()); |
| 3471 | |
| 3472 | result = CompileRun( |
| 3473 | "var result = [];" |
| 3474 | "try { " |
| 3475 | " result = Object.keys(object);" |
| 3476 | "} catch (e) {" |
| 3477 | " result = e;" |
| 3478 | "}" |
| 3479 | "result"); |
| 3480 | CHECK(!result->IsArray()); |
| 3481 | CHECK(v8_num(42)->Equals(context.local(), result).FromJust()); |
| 3482 | } |
| 3483 | |
| 3484 | |
| 3485 | static void NamedPropertyEnumeratorException( |
| 3486 | const v8::PropertyCallbackInfo<v8::Array>& info) { |
| 3487 | info.GetIsolate()->ThrowException(v8_num(43)); |
| 3488 | } |
| 3489 | |
| 3490 | |
| 3491 | THREADED_TEST(GetOwnPropertyNamesWithNamedInterceptorExceptions_regress4026) { |
| 3492 | v8::Isolate* isolate = CcTest::isolate(); |
| 3493 | v8::HandleScope handle_scope(isolate); |
| 3494 | v8::Local<v8::ObjectTemplate> obj_template = v8::ObjectTemplate::New(isolate); |
| 3495 | |
| 3496 | obj_template->Set(v8_str("7"), v8::Integer::New(CcTest::isolate(), 7)); |
| 3497 | obj_template->Set(v8_str("x"), v8::Integer::New(CcTest::isolate(), 42)); |
| 3498 | // First just try a failing indexed interceptor. |
| 3499 | obj_template->SetHandler(v8::NamedPropertyHandlerConfiguration( |
| 3500 | NULL, NULL, NULL, NULL, NamedPropertyEnumeratorException)); |
| 3501 | |
| 3502 | LocalContext context; |
| 3503 | v8::Local<v8::Object> global = context->Global(); |
| 3504 | global->Set(context.local(), v8_str("object"), |
| 3505 | obj_template->NewInstance(context.local()).ToLocalChecked()) |
| 3506 | .FromJust(); |
| 3507 | |
| 3508 | v8::Local<v8::Value> result = CompileRun( |
| 3509 | "var result = []; " |
| 3510 | "try { " |
| 3511 | " for (var k in object) result.push(k);" |
| 3512 | "} catch (e) {" |
| 3513 | " result = e" |
| 3514 | "}" |
| 3515 | "result"); |
| 3516 | CHECK(!result->IsArray()); |
| 3517 | CHECK(v8_num(43)->Equals(context.local(), result).FromJust()); |
| 3518 | |
| 3519 | result = CompileRun( |
| 3520 | "var result = [];" |
| 3521 | "try { " |
| 3522 | " result = Object.keys(object);" |
| 3523 | "} catch (e) {" |
| 3524 | " result = e;" |
| 3525 | "}" |
| 3526 | "result"); |
| 3527 | CHECK(!result->IsArray()); |
| 3528 | CHECK(v8_num(43)->Equals(context.local(), result).FromJust()); |
| 3529 | } |
| 3530 | |
| 3531 | namespace { |
| 3532 | |
| 3533 | template <typename T> |
| 3534 | Local<Object> BuildWrappedObject(v8::Isolate* isolate, T* data) { |
| 3535 | auto templ = v8::ObjectTemplate::New(isolate); |
| 3536 | templ->SetInternalFieldCount(1); |
| 3537 | auto instance = |
| 3538 | templ->NewInstance(isolate->GetCurrentContext()).ToLocalChecked(); |
| 3539 | instance->SetAlignedPointerInInternalField(0, data); |
| 3540 | return instance; |
| 3541 | } |
| 3542 | |
| 3543 | |
| 3544 | template <typename T> |
| 3545 | T* GetWrappedObject(Local<Value> data) { |
| 3546 | return reinterpret_cast<T*>( |
| 3547 | Object::Cast(*data)->GetAlignedPointerFromInternalField(0)); |
| 3548 | } |
| 3549 | |
| 3550 | |
| 3551 | struct AccessCheckData { |
| 3552 | int count; |
| 3553 | bool result; |
| 3554 | }; |
| 3555 | |
| 3556 | AccessCheckData* g_access_check_data = nullptr; |
| 3557 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3558 | bool SimpleAccessChecker(Local<v8::Context> accessing_context, |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 3559 | Local<v8::Object> access_object, |
| 3560 | Local<v8::Value> data) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3561 | g_access_check_data->count++; |
| 3562 | return g_access_check_data->result; |
| 3563 | } |
| 3564 | |
| 3565 | |
| 3566 | struct ShouldInterceptData { |
| 3567 | int value; |
| 3568 | bool should_intercept; |
| 3569 | }; |
| 3570 | |
| 3571 | |
| 3572 | void ShouldNamedInterceptor(Local<Name> name, |
| 3573 | const v8::PropertyCallbackInfo<Value>& info) { |
| 3574 | ApiTestFuzzer::Fuzz(); |
| 3575 | CheckReturnValue(info, FUNCTION_ADDR(ShouldNamedInterceptor)); |
| 3576 | auto data = GetWrappedObject<ShouldInterceptData>(info.Data()); |
| 3577 | if (!data->should_intercept) return; |
| 3578 | info.GetReturnValue().Set(v8_num(data->value)); |
| 3579 | } |
| 3580 | |
| 3581 | |
| 3582 | void ShouldIndexedInterceptor(uint32_t, |
| 3583 | const v8::PropertyCallbackInfo<Value>& info) { |
| 3584 | ApiTestFuzzer::Fuzz(); |
| 3585 | CheckReturnValue(info, FUNCTION_ADDR(ShouldIndexedInterceptor)); |
| 3586 | auto data = GetWrappedObject<ShouldInterceptData>(info.Data()); |
| 3587 | if (!data->should_intercept) return; |
| 3588 | info.GetReturnValue().Set(v8_num(data->value)); |
| 3589 | } |
| 3590 | |
| 3591 | } // namespace |
| 3592 | |
| 3593 | |
| 3594 | TEST(NamedAllCanReadInterceptor) { |
| 3595 | auto isolate = CcTest::isolate(); |
| 3596 | v8::HandleScope handle_scope(isolate); |
| 3597 | LocalContext context; |
| 3598 | |
| 3599 | AccessCheckData access_check_data; |
| 3600 | access_check_data.result = true; |
| 3601 | access_check_data.count = 0; |
| 3602 | |
| 3603 | g_access_check_data = &access_check_data; |
| 3604 | |
| 3605 | ShouldInterceptData intercept_data_0; |
| 3606 | intercept_data_0.value = 239; |
| 3607 | intercept_data_0.should_intercept = true; |
| 3608 | |
| 3609 | ShouldInterceptData intercept_data_1; |
| 3610 | intercept_data_1.value = 165; |
| 3611 | intercept_data_1.should_intercept = false; |
| 3612 | |
| 3613 | auto intercepted_0 = v8::ObjectTemplate::New(isolate); |
| 3614 | { |
| 3615 | v8::NamedPropertyHandlerConfiguration conf(ShouldNamedInterceptor); |
| 3616 | conf.flags = v8::PropertyHandlerFlags::kAllCanRead; |
| 3617 | conf.data = |
| 3618 | BuildWrappedObject<ShouldInterceptData>(isolate, &intercept_data_0); |
| 3619 | intercepted_0->SetHandler(conf); |
| 3620 | } |
| 3621 | |
| 3622 | auto intercepted_1 = v8::ObjectTemplate::New(isolate); |
| 3623 | { |
| 3624 | v8::NamedPropertyHandlerConfiguration conf(ShouldNamedInterceptor); |
| 3625 | conf.flags = v8::PropertyHandlerFlags::kAllCanRead; |
| 3626 | conf.data = |
| 3627 | BuildWrappedObject<ShouldInterceptData>(isolate, &intercept_data_1); |
| 3628 | intercepted_1->SetHandler(conf); |
| 3629 | } |
| 3630 | |
| 3631 | auto checked = v8::ObjectTemplate::New(isolate); |
| 3632 | checked->SetAccessCheckCallback(SimpleAccessChecker); |
| 3633 | |
| 3634 | context->Global() |
| 3635 | ->Set(context.local(), v8_str("intercepted_0"), |
| 3636 | intercepted_0->NewInstance(context.local()).ToLocalChecked()) |
| 3637 | .FromJust(); |
| 3638 | context->Global() |
| 3639 | ->Set(context.local(), v8_str("intercepted_1"), |
| 3640 | intercepted_1->NewInstance(context.local()).ToLocalChecked()) |
| 3641 | .FromJust(); |
| 3642 | auto checked_instance = |
| 3643 | checked->NewInstance(context.local()).ToLocalChecked(); |
| 3644 | checked_instance->Set(context.local(), v8_str("whatever"), v8_num(17)) |
| 3645 | .FromJust(); |
| 3646 | context->Global() |
| 3647 | ->Set(context.local(), v8_str("checked"), checked_instance) |
| 3648 | .FromJust(); |
| 3649 | CompileRun( |
| 3650 | "checked.__proto__ = intercepted_1;" |
| 3651 | "intercepted_1.__proto__ = intercepted_0;"); |
| 3652 | |
| 3653 | CHECK_EQ(3, access_check_data.count); |
| 3654 | |
| 3655 | ExpectInt32("checked.whatever", 17); |
| 3656 | CHECK(!CompileRun("Object.getOwnPropertyDescriptor(checked, 'whatever')") |
| 3657 | ->IsUndefined()); |
| 3658 | CHECK_EQ(5, access_check_data.count); |
| 3659 | |
| 3660 | access_check_data.result = false; |
| 3661 | ExpectInt32("checked.whatever", intercept_data_0.value); |
| 3662 | { |
| 3663 | v8::TryCatch try_catch(isolate); |
| 3664 | CompileRun("Object.getOwnPropertyDescriptor(checked, 'whatever')"); |
| 3665 | CHECK(try_catch.HasCaught()); |
| 3666 | } |
| 3667 | CHECK_EQ(7, access_check_data.count); |
| 3668 | |
| 3669 | intercept_data_1.should_intercept = true; |
| 3670 | ExpectInt32("checked.whatever", intercept_data_1.value); |
| 3671 | { |
| 3672 | v8::TryCatch try_catch(isolate); |
| 3673 | CompileRun("Object.getOwnPropertyDescriptor(checked, 'whatever')"); |
| 3674 | CHECK(try_catch.HasCaught()); |
| 3675 | } |
| 3676 | CHECK_EQ(9, access_check_data.count); |
| 3677 | g_access_check_data = nullptr; |
| 3678 | } |
| 3679 | |
| 3680 | |
| 3681 | TEST(IndexedAllCanReadInterceptor) { |
| 3682 | auto isolate = CcTest::isolate(); |
| 3683 | v8::HandleScope handle_scope(isolate); |
| 3684 | LocalContext context; |
| 3685 | |
| 3686 | AccessCheckData access_check_data; |
| 3687 | access_check_data.result = true; |
| 3688 | access_check_data.count = 0; |
| 3689 | |
| 3690 | g_access_check_data = &access_check_data; |
| 3691 | |
| 3692 | ShouldInterceptData intercept_data_0; |
| 3693 | intercept_data_0.value = 239; |
| 3694 | intercept_data_0.should_intercept = true; |
| 3695 | |
| 3696 | ShouldInterceptData intercept_data_1; |
| 3697 | intercept_data_1.value = 165; |
| 3698 | intercept_data_1.should_intercept = false; |
| 3699 | |
| 3700 | auto intercepted_0 = v8::ObjectTemplate::New(isolate); |
| 3701 | { |
| 3702 | v8::IndexedPropertyHandlerConfiguration conf(ShouldIndexedInterceptor); |
| 3703 | conf.flags = v8::PropertyHandlerFlags::kAllCanRead; |
| 3704 | conf.data = |
| 3705 | BuildWrappedObject<ShouldInterceptData>(isolate, &intercept_data_0); |
| 3706 | intercepted_0->SetHandler(conf); |
| 3707 | } |
| 3708 | |
| 3709 | auto intercepted_1 = v8::ObjectTemplate::New(isolate); |
| 3710 | { |
| 3711 | v8::IndexedPropertyHandlerConfiguration conf(ShouldIndexedInterceptor); |
| 3712 | conf.flags = v8::PropertyHandlerFlags::kAllCanRead; |
| 3713 | conf.data = |
| 3714 | BuildWrappedObject<ShouldInterceptData>(isolate, &intercept_data_1); |
| 3715 | intercepted_1->SetHandler(conf); |
| 3716 | } |
| 3717 | |
| 3718 | auto checked = v8::ObjectTemplate::New(isolate); |
| 3719 | checked->SetAccessCheckCallback(SimpleAccessChecker); |
| 3720 | |
| 3721 | context->Global() |
| 3722 | ->Set(context.local(), v8_str("intercepted_0"), |
| 3723 | intercepted_0->NewInstance(context.local()).ToLocalChecked()) |
| 3724 | .FromJust(); |
| 3725 | context->Global() |
| 3726 | ->Set(context.local(), v8_str("intercepted_1"), |
| 3727 | intercepted_1->NewInstance(context.local()).ToLocalChecked()) |
| 3728 | .FromJust(); |
| 3729 | auto checked_instance = |
| 3730 | checked->NewInstance(context.local()).ToLocalChecked(); |
| 3731 | context->Global() |
| 3732 | ->Set(context.local(), v8_str("checked"), checked_instance) |
| 3733 | .FromJust(); |
| 3734 | checked_instance->Set(context.local(), 15, v8_num(17)).FromJust(); |
| 3735 | CompileRun( |
| 3736 | "checked.__proto__ = intercepted_1;" |
| 3737 | "intercepted_1.__proto__ = intercepted_0;"); |
| 3738 | |
| 3739 | CHECK_EQ(3, access_check_data.count); |
| 3740 | |
| 3741 | access_check_data.result = true; |
| 3742 | ExpectInt32("checked[15]", 17); |
| 3743 | CHECK(!CompileRun("Object.getOwnPropertyDescriptor(checked, '15')") |
| 3744 | ->IsUndefined()); |
| 3745 | CHECK_EQ(5, access_check_data.count); |
| 3746 | |
| 3747 | access_check_data.result = false; |
| 3748 | ExpectInt32("checked[15]", intercept_data_0.value); |
| 3749 | { |
| 3750 | v8::TryCatch try_catch(isolate); |
| 3751 | CompileRun("Object.getOwnPropertyDescriptor(checked, '15')"); |
| 3752 | CHECK(try_catch.HasCaught()); |
| 3753 | } |
| 3754 | CHECK_EQ(7, access_check_data.count); |
| 3755 | |
| 3756 | intercept_data_1.should_intercept = true; |
| 3757 | ExpectInt32("checked[15]", intercept_data_1.value); |
| 3758 | { |
| 3759 | v8::TryCatch try_catch(isolate); |
| 3760 | CompileRun("Object.getOwnPropertyDescriptor(checked, '15')"); |
| 3761 | CHECK(try_catch.HasCaught()); |
| 3762 | } |
| 3763 | CHECK_EQ(9, access_check_data.count); |
| 3764 | |
| 3765 | g_access_check_data = nullptr; |
| 3766 | } |
| 3767 | |
| 3768 | |
| 3769 | THREADED_TEST(NonMaskingInterceptorOwnProperty) { |
| 3770 | auto isolate = CcTest::isolate(); |
| 3771 | v8::HandleScope handle_scope(isolate); |
| 3772 | LocalContext context; |
| 3773 | |
| 3774 | ShouldInterceptData intercept_data; |
| 3775 | intercept_data.value = 239; |
| 3776 | intercept_data.should_intercept = true; |
| 3777 | |
| 3778 | auto interceptor_templ = v8::ObjectTemplate::New(isolate); |
| 3779 | v8::NamedPropertyHandlerConfiguration conf(ShouldNamedInterceptor); |
| 3780 | conf.flags = v8::PropertyHandlerFlags::kNonMasking; |
| 3781 | conf.data = BuildWrappedObject<ShouldInterceptData>(isolate, &intercept_data); |
| 3782 | interceptor_templ->SetHandler(conf); |
| 3783 | |
| 3784 | auto interceptor = |
| 3785 | interceptor_templ->NewInstance(context.local()).ToLocalChecked(); |
| 3786 | context->Global() |
| 3787 | ->Set(context.local(), v8_str("obj"), interceptor) |
| 3788 | .FromJust(); |
| 3789 | |
| 3790 | ExpectInt32("obj.whatever", 239); |
| 3791 | |
| 3792 | CompileRun("obj.whatever = 4;"); |
| 3793 | ExpectInt32("obj.whatever", 4); |
| 3794 | |
| 3795 | CompileRun("delete obj.whatever;"); |
| 3796 | ExpectInt32("obj.whatever", 239); |
| 3797 | } |
| 3798 | |
| 3799 | |
| 3800 | THREADED_TEST(NonMaskingInterceptorPrototypeProperty) { |
| 3801 | auto isolate = CcTest::isolate(); |
| 3802 | v8::HandleScope handle_scope(isolate); |
| 3803 | LocalContext context; |
| 3804 | |
| 3805 | ShouldInterceptData intercept_data; |
| 3806 | intercept_data.value = 239; |
| 3807 | intercept_data.should_intercept = true; |
| 3808 | |
| 3809 | auto interceptor_templ = v8::ObjectTemplate::New(isolate); |
| 3810 | v8::NamedPropertyHandlerConfiguration conf(ShouldNamedInterceptor); |
| 3811 | conf.flags = v8::PropertyHandlerFlags::kNonMasking; |
| 3812 | conf.data = BuildWrappedObject<ShouldInterceptData>(isolate, &intercept_data); |
| 3813 | interceptor_templ->SetHandler(conf); |
| 3814 | |
| 3815 | auto interceptor = |
| 3816 | interceptor_templ->NewInstance(context.local()).ToLocalChecked(); |
| 3817 | context->Global() |
| 3818 | ->Set(context.local(), v8_str("obj"), interceptor) |
| 3819 | .FromJust(); |
| 3820 | |
| 3821 | ExpectInt32("obj.whatever", 239); |
| 3822 | |
| 3823 | CompileRun("obj.__proto__ = {'whatever': 4};"); |
| 3824 | ExpectInt32("obj.whatever", 4); |
| 3825 | |
| 3826 | CompileRun("delete obj.__proto__.whatever;"); |
| 3827 | ExpectInt32("obj.whatever", 239); |
| 3828 | } |
| 3829 | |
| 3830 | |
| 3831 | THREADED_TEST(NonMaskingInterceptorPrototypePropertyIC) { |
| 3832 | auto isolate = CcTest::isolate(); |
| 3833 | v8::HandleScope handle_scope(isolate); |
| 3834 | LocalContext context; |
| 3835 | |
| 3836 | ShouldInterceptData intercept_data; |
| 3837 | intercept_data.value = 239; |
| 3838 | intercept_data.should_intercept = true; |
| 3839 | |
| 3840 | auto interceptor_templ = v8::ObjectTemplate::New(isolate); |
| 3841 | v8::NamedPropertyHandlerConfiguration conf(ShouldNamedInterceptor); |
| 3842 | conf.flags = v8::PropertyHandlerFlags::kNonMasking; |
| 3843 | conf.data = BuildWrappedObject<ShouldInterceptData>(isolate, &intercept_data); |
| 3844 | interceptor_templ->SetHandler(conf); |
| 3845 | |
| 3846 | auto interceptor = |
| 3847 | interceptor_templ->NewInstance(context.local()).ToLocalChecked(); |
| 3848 | context->Global() |
| 3849 | ->Set(context.local(), v8_str("obj"), interceptor) |
| 3850 | .FromJust(); |
| 3851 | |
| 3852 | CompileRun( |
| 3853 | "outer = {};" |
| 3854 | "outer.__proto__ = obj;" |
| 3855 | "function f(obj) {" |
| 3856 | " var x;" |
| 3857 | " for (var i = 0; i < 4; i++) {" |
| 3858 | " x = obj.whatever;" |
| 3859 | " }" |
| 3860 | " return x;" |
| 3861 | "}"); |
| 3862 | |
| 3863 | // Receiver == holder. |
| 3864 | CompileRun("obj.__proto__ = null;"); |
| 3865 | ExpectInt32("f(obj)", 239); |
| 3866 | ExpectInt32("f(outer)", 239); |
| 3867 | |
| 3868 | // Receiver != holder. |
| 3869 | CompileRun("Object.setPrototypeOf(obj, {});"); |
| 3870 | ExpectInt32("f(obj)", 239); |
| 3871 | ExpectInt32("f(outer)", 239); |
| 3872 | |
| 3873 | // Masked value on prototype. |
| 3874 | CompileRun("obj.__proto__.whatever = 4;"); |
| 3875 | CompileRun("obj.__proto__.__proto__ = { 'whatever' : 5 };"); |
| 3876 | ExpectInt32("f(obj)", 4); |
| 3877 | ExpectInt32("f(outer)", 4); |
| 3878 | |
| 3879 | // Masked value on prototype prototype. |
| 3880 | CompileRun("delete obj.__proto__.whatever;"); |
| 3881 | ExpectInt32("f(obj)", 5); |
| 3882 | ExpectInt32("f(outer)", 5); |
| 3883 | |
| 3884 | // Reset. |
| 3885 | CompileRun("delete obj.__proto__.__proto__.whatever;"); |
| 3886 | ExpectInt32("f(obj)", 239); |
| 3887 | ExpectInt32("f(outer)", 239); |
| 3888 | |
| 3889 | // Masked value on self. |
| 3890 | CompileRun("obj.whatever = 4;"); |
| 3891 | ExpectInt32("f(obj)", 4); |
| 3892 | ExpectInt32("f(outer)", 4); |
| 3893 | |
| 3894 | // Reset. |
| 3895 | CompileRun("delete obj.whatever;"); |
| 3896 | ExpectInt32("f(obj)", 239); |
| 3897 | ExpectInt32("f(outer)", 239); |
| 3898 | |
| 3899 | CompileRun("outer.whatever = 4;"); |
| 3900 | ExpectInt32("f(obj)", 239); |
| 3901 | ExpectInt32("f(outer)", 4); |
| 3902 | } |
| 3903 | |
| 3904 | |
| 3905 | namespace { |
| 3906 | |
| 3907 | void DatabaseGetter(Local<Name> name, |
| 3908 | const v8::PropertyCallbackInfo<Value>& info) { |
| 3909 | ApiTestFuzzer::Fuzz(); |
| 3910 | auto context = info.GetIsolate()->GetCurrentContext(); |
| 3911 | Local<v8::Object> db = info.Holder() |
| 3912 | ->GetRealNamedProperty(context, v8_str("db")) |
| 3913 | .ToLocalChecked() |
| 3914 | .As<v8::Object>(); |
| 3915 | if (!db->Has(context, name).FromJust()) return; |
| 3916 | info.GetReturnValue().Set(db->Get(context, name).ToLocalChecked()); |
| 3917 | } |
| 3918 | |
| 3919 | |
| 3920 | void DatabaseSetter(Local<Name> name, Local<Value> value, |
| 3921 | const v8::PropertyCallbackInfo<Value>& info) { |
| 3922 | ApiTestFuzzer::Fuzz(); |
| 3923 | auto context = info.GetIsolate()->GetCurrentContext(); |
| 3924 | if (name->Equals(context, v8_str("db")).FromJust()) return; |
| 3925 | Local<v8::Object> db = info.Holder() |
| 3926 | ->GetRealNamedProperty(context, v8_str("db")) |
| 3927 | .ToLocalChecked() |
| 3928 | .As<v8::Object>(); |
| 3929 | db->Set(context, name, value).FromJust(); |
| 3930 | info.GetReturnValue().Set(value); |
| 3931 | } |
| 3932 | |
| 3933 | } // namespace |
| 3934 | |
| 3935 | |
| 3936 | THREADED_TEST(NonMaskingInterceptorGlobalEvalRegression) { |
| 3937 | auto isolate = CcTest::isolate(); |
| 3938 | v8::HandleScope handle_scope(isolate); |
| 3939 | LocalContext context; |
| 3940 | |
| 3941 | auto interceptor_templ = v8::ObjectTemplate::New(isolate); |
| 3942 | v8::NamedPropertyHandlerConfiguration conf(DatabaseGetter, DatabaseSetter); |
| 3943 | conf.flags = v8::PropertyHandlerFlags::kNonMasking; |
| 3944 | interceptor_templ->SetHandler(conf); |
| 3945 | |
| 3946 | context->Global() |
| 3947 | ->Set(context.local(), v8_str("intercepted_1"), |
| 3948 | interceptor_templ->NewInstance(context.local()).ToLocalChecked()) |
| 3949 | .FromJust(); |
| 3950 | context->Global() |
| 3951 | ->Set(context.local(), v8_str("intercepted_2"), |
| 3952 | interceptor_templ->NewInstance(context.local()).ToLocalChecked()) |
| 3953 | .FromJust(); |
| 3954 | |
| 3955 | // Init dbs. |
| 3956 | CompileRun( |
| 3957 | "intercepted_1.db = {};" |
| 3958 | "intercepted_2.db = {};"); |
| 3959 | |
| 3960 | ExpectInt32( |
| 3961 | "var obj = intercepted_1;" |
| 3962 | "obj.x = 4;" |
| 3963 | "eval('obj.x');" |
| 3964 | "eval('obj.x');" |
| 3965 | "eval('obj.x');" |
| 3966 | "obj = intercepted_2;" |
| 3967 | "obj.x = 9;" |
| 3968 | "eval('obj.x');", |
| 3969 | 9); |
| 3970 | } |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 3971 | |
| 3972 | static void CheckReceiver(Local<Name> name, |
| 3973 | const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 3974 | CHECK(info.This()->IsObject()); |
| 3975 | } |
| 3976 | |
| 3977 | TEST(Regress609134Interceptor) { |
| 3978 | LocalContext env; |
| 3979 | v8::Isolate* isolate = env->GetIsolate(); |
| 3980 | v8::HandleScope scope(isolate); |
| 3981 | auto fun_templ = v8::FunctionTemplate::New(isolate); |
| 3982 | fun_templ->InstanceTemplate()->SetHandler( |
| 3983 | v8::NamedPropertyHandlerConfiguration(CheckReceiver)); |
| 3984 | |
| 3985 | CHECK(env->Global() |
| 3986 | ->Set(env.local(), v8_str("Fun"), |
| 3987 | fun_templ->GetFunction(env.local()).ToLocalChecked()) |
| 3988 | .FromJust()); |
| 3989 | |
| 3990 | CompileRun( |
| 3991 | "var f = new Fun();" |
| 3992 | "Number.prototype.__proto__ = f;" |
| 3993 | "var a = 42;" |
| 3994 | "for (var i = 0; i<3; i++) { a.foo; }"); |
| 3995 | } |