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 | #include <sstream> |
| 7 | #include <utility> |
| 8 | |
| 9 | #include "src/api.h" |
| 10 | #include "src/objects.h" |
| 11 | #include "src/v8.h" |
| 12 | |
| 13 | #include "test/cctest/cctest.h" |
| 14 | |
| 15 | using namespace v8::base; |
| 16 | using namespace v8::internal; |
| 17 | |
| 18 | |
| 19 | static const int kMaxInobjectProperties = |
| 20 | (JSObject::kMaxInstanceSize - JSObject::kHeaderSize) >> kPointerSizeLog2; |
| 21 | |
| 22 | |
| 23 | template <typename T> |
| 24 | static Handle<T> OpenHandle(v8::Local<v8::Value> value) { |
| 25 | Handle<Object> obj = v8::Utils::OpenHandle(*value); |
| 26 | return Handle<T>::cast(obj); |
| 27 | } |
| 28 | |
| 29 | |
| 30 | static inline v8::Local<v8::Value> Run(v8::Local<v8::Script> script) { |
| 31 | v8::Local<v8::Value> result; |
| 32 | if (script->Run(v8::Isolate::GetCurrent()->GetCurrentContext()) |
| 33 | .ToLocal(&result)) { |
| 34 | return result; |
| 35 | } |
| 36 | return v8::Local<v8::Value>(); |
| 37 | } |
| 38 | |
| 39 | |
| 40 | template <typename T = Object> |
| 41 | Handle<T> GetGlobal(const char* name) { |
| 42 | Isolate* isolate = CcTest::i_isolate(); |
| 43 | Factory* factory = isolate->factory(); |
| 44 | Handle<String> str_name = factory->InternalizeUtf8String(name); |
| 45 | |
| 46 | Handle<Object> value = |
| 47 | Object::GetProperty(isolate->global_object(), str_name).ToHandleChecked(); |
| 48 | return Handle<T>::cast(value); |
| 49 | } |
| 50 | |
| 51 | |
| 52 | template <typename T = Object> |
| 53 | Handle<T> GetLexical(const char* name) { |
| 54 | Isolate* isolate = CcTest::i_isolate(); |
| 55 | Factory* factory = isolate->factory(); |
| 56 | |
| 57 | Handle<String> str_name = factory->InternalizeUtf8String(name); |
| 58 | Handle<ScriptContextTable> script_contexts( |
| 59 | isolate->native_context()->script_context_table()); |
| 60 | |
| 61 | ScriptContextTable::LookupResult lookup_result; |
| 62 | if (ScriptContextTable::Lookup(script_contexts, str_name, &lookup_result)) { |
| 63 | Handle<Object> result = |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 64 | FixedArray::get(*ScriptContextTable::GetContext( |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 65 | script_contexts, lookup_result.context_index), |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 66 | lookup_result.slot_index, isolate); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 67 | return Handle<T>::cast(result); |
| 68 | } |
| 69 | return Handle<T>(); |
| 70 | } |
| 71 | |
| 72 | |
| 73 | template <typename T = Object> |
| 74 | Handle<T> GetLexical(const std::string& name) { |
| 75 | return GetLexical<T>(name.c_str()); |
| 76 | } |
| 77 | |
| 78 | |
| 79 | template <typename T> |
| 80 | static inline Handle<T> Run(v8::Local<v8::Script> script) { |
| 81 | return OpenHandle<T>(Run(script)); |
| 82 | } |
| 83 | |
| 84 | |
| 85 | template <typename T> |
| 86 | static inline Handle<T> CompileRun(const char* script) { |
| 87 | return OpenHandle<T>(CompileRun(script)); |
| 88 | } |
| 89 | |
| 90 | |
| 91 | static Object* GetFieldValue(JSObject* obj, int property_index) { |
| 92 | FieldIndex index = FieldIndex::ForPropertyIndex(obj->map(), property_index); |
| 93 | return obj->RawFastPropertyAt(index); |
| 94 | } |
| 95 | |
| 96 | |
| 97 | static double GetDoubleFieldValue(JSObject* obj, FieldIndex field_index) { |
| 98 | if (obj->IsUnboxedDoubleField(field_index)) { |
| 99 | return obj->RawFastDoublePropertyAt(field_index); |
| 100 | } else { |
| 101 | Object* value = obj->RawFastPropertyAt(field_index); |
| 102 | CHECK(value->IsMutableHeapNumber()); |
| 103 | return HeapNumber::cast(value)->value(); |
| 104 | } |
| 105 | } |
| 106 | |
| 107 | |
| 108 | static double GetDoubleFieldValue(JSObject* obj, int property_index) { |
| 109 | FieldIndex index = FieldIndex::ForPropertyIndex(obj->map(), property_index); |
| 110 | return GetDoubleFieldValue(obj, index); |
| 111 | } |
| 112 | |
| 113 | |
| 114 | bool IsObjectShrinkable(JSObject* obj) { |
| 115 | Handle<Map> filler_map = |
| 116 | CcTest::i_isolate()->factory()->one_pointer_filler_map(); |
| 117 | |
| 118 | int inobject_properties = obj->map()->GetInObjectProperties(); |
| 119 | int unused = obj->map()->unused_property_fields(); |
| 120 | if (unused == 0) return false; |
| 121 | |
| 122 | for (int i = inobject_properties - unused; i < inobject_properties; i++) { |
| 123 | if (*filler_map != GetFieldValue(obj, i)) { |
| 124 | return false; |
| 125 | } |
| 126 | } |
| 127 | return true; |
| 128 | } |
| 129 | |
| 130 | |
| 131 | TEST(JSObjectBasic) { |
| 132 | // Avoid eventual completion of in-object slack tracking. |
| 133 | FLAG_inline_construct = false; |
| 134 | FLAG_always_opt = false; |
| 135 | CcTest::InitializeVM(); |
| 136 | v8::HandleScope scope(CcTest::isolate()); |
| 137 | const char* source = |
| 138 | "function A() {" |
| 139 | " this.a = 42;" |
| 140 | " this.d = 4.2;" |
| 141 | " this.o = this;" |
| 142 | "}"; |
| 143 | CompileRun(source); |
| 144 | |
| 145 | Handle<JSFunction> func = GetGlobal<JSFunction>("A"); |
| 146 | |
| 147 | // Zero instances were created so far. |
| 148 | CHECK(!func->has_initial_map()); |
| 149 | |
| 150 | v8::Local<v8::Script> new_A_script = v8_compile("new A();"); |
| 151 | |
| 152 | Handle<JSObject> obj = Run<JSObject>(new_A_script); |
| 153 | |
| 154 | CHECK(func->has_initial_map()); |
| 155 | Handle<Map> initial_map(func->initial_map()); |
| 156 | |
| 157 | // One instance created. |
| 158 | CHECK_EQ(Map::kSlackTrackingCounterStart - 1, |
| 159 | initial_map->construction_counter()); |
| 160 | CHECK(initial_map->IsInobjectSlackTrackingInProgress()); |
| 161 | |
| 162 | // There must be at least some slack. |
| 163 | CHECK_LT(5, obj->map()->GetInObjectProperties()); |
| 164 | CHECK_EQ(Smi::FromInt(42), GetFieldValue(*obj, 0)); |
| 165 | CHECK_EQ(4.2, GetDoubleFieldValue(*obj, 1)); |
| 166 | CHECK_EQ(*obj, GetFieldValue(*obj, 2)); |
| 167 | CHECK(IsObjectShrinkable(*obj)); |
| 168 | |
| 169 | // Create several objects to complete the tracking. |
| 170 | for (int i = 1; i < Map::kGenerousAllocationCount; i++) { |
| 171 | CHECK(initial_map->IsInobjectSlackTrackingInProgress()); |
| 172 | Handle<JSObject> tmp = Run<JSObject>(new_A_script); |
| 173 | CHECK_EQ(initial_map->IsInobjectSlackTrackingInProgress(), |
| 174 | IsObjectShrinkable(*tmp)); |
| 175 | } |
| 176 | CHECK(!initial_map->IsInobjectSlackTrackingInProgress()); |
| 177 | CHECK(!IsObjectShrinkable(*obj)); |
| 178 | |
| 179 | // No slack left. |
| 180 | CHECK_EQ(3, obj->map()->GetInObjectProperties()); |
| 181 | } |
| 182 | |
| 183 | |
| 184 | TEST(JSObjectBasicNoInlineNew) { |
| 185 | FLAG_inline_new = false; |
| 186 | TestJSObjectBasic(); |
| 187 | } |
| 188 | |
| 189 | |
| 190 | TEST(JSObjectComplex) { |
| 191 | // Avoid eventual completion of in-object slack tracking. |
| 192 | FLAG_inline_construct = false; |
| 193 | FLAG_always_opt = false; |
| 194 | CcTest::InitializeVM(); |
| 195 | v8::HandleScope scope(CcTest::isolate()); |
| 196 | const char* source = |
| 197 | "function A(n) {" |
| 198 | " if (n > 0) this.a = 42;" |
| 199 | " if (n > 1) this.d = 4.2;" |
| 200 | " if (n > 2) this.o1 = this;" |
| 201 | " if (n > 3) this.o2 = this;" |
| 202 | " if (n > 4) this.o3 = this;" |
| 203 | " if (n > 5) this.o4 = this;" |
| 204 | "}"; |
| 205 | CompileRun(source); |
| 206 | |
| 207 | Handle<JSFunction> func = GetGlobal<JSFunction>("A"); |
| 208 | |
| 209 | // Zero instances were created so far. |
| 210 | CHECK(!func->has_initial_map()); |
| 211 | |
| 212 | Handle<JSObject> obj1 = CompileRun<JSObject>("new A(1);"); |
| 213 | Handle<JSObject> obj3 = CompileRun<JSObject>("new A(3);"); |
| 214 | Handle<JSObject> obj5 = CompileRun<JSObject>("new A(5);"); |
| 215 | |
| 216 | CHECK(func->has_initial_map()); |
| 217 | Handle<Map> initial_map(func->initial_map()); |
| 218 | |
| 219 | // Three instances created. |
| 220 | CHECK_EQ(Map::kSlackTrackingCounterStart - 3, |
| 221 | initial_map->construction_counter()); |
| 222 | CHECK(initial_map->IsInobjectSlackTrackingInProgress()); |
| 223 | |
| 224 | // There must be at least some slack. |
| 225 | CHECK_LT(5, obj3->map()->GetInObjectProperties()); |
| 226 | CHECK_EQ(Smi::FromInt(42), GetFieldValue(*obj3, 0)); |
| 227 | CHECK_EQ(4.2, GetDoubleFieldValue(*obj3, 1)); |
| 228 | CHECK_EQ(*obj3, GetFieldValue(*obj3, 2)); |
| 229 | CHECK(IsObjectShrinkable(*obj1)); |
| 230 | CHECK(IsObjectShrinkable(*obj3)); |
| 231 | CHECK(IsObjectShrinkable(*obj5)); |
| 232 | |
| 233 | // Create several objects to complete the tracking. |
| 234 | for (int i = 3; i < Map::kGenerousAllocationCount; i++) { |
| 235 | CHECK(initial_map->IsInobjectSlackTrackingInProgress()); |
| 236 | CompileRun("new A(3);"); |
| 237 | } |
| 238 | CHECK(!initial_map->IsInobjectSlackTrackingInProgress()); |
| 239 | |
| 240 | // obj1 and obj2 stays shrinkable because we don't clear unused fields. |
| 241 | CHECK(IsObjectShrinkable(*obj1)); |
| 242 | CHECK(IsObjectShrinkable(*obj3)); |
| 243 | CHECK(!IsObjectShrinkable(*obj5)); |
| 244 | |
| 245 | CHECK_EQ(5, obj1->map()->GetInObjectProperties()); |
| 246 | CHECK_EQ(4, obj1->map()->unused_property_fields()); |
| 247 | |
| 248 | CHECK_EQ(5, obj3->map()->GetInObjectProperties()); |
| 249 | CHECK_EQ(2, obj3->map()->unused_property_fields()); |
| 250 | |
| 251 | CHECK_EQ(5, obj5->map()->GetInObjectProperties()); |
| 252 | CHECK_EQ(0, obj5->map()->unused_property_fields()); |
| 253 | |
| 254 | // Since slack tracking is complete, the new objects should not be shrinkable. |
| 255 | obj1 = CompileRun<JSObject>("new A(1);"); |
| 256 | obj3 = CompileRun<JSObject>("new A(3);"); |
| 257 | obj5 = CompileRun<JSObject>("new A(5);"); |
| 258 | |
| 259 | CHECK(!IsObjectShrinkable(*obj1)); |
| 260 | CHECK(!IsObjectShrinkable(*obj3)); |
| 261 | CHECK(!IsObjectShrinkable(*obj5)); |
| 262 | } |
| 263 | |
| 264 | |
| 265 | TEST(JSObjectComplexNoInlineNew) { |
| 266 | FLAG_inline_new = false; |
| 267 | TestJSObjectComplex(); |
| 268 | } |
| 269 | |
| 270 | |
| 271 | TEST(JSGeneratorObjectBasic) { |
| 272 | // Avoid eventual completion of in-object slack tracking. |
| 273 | FLAG_inline_construct = false; |
| 274 | FLAG_always_opt = false; |
| 275 | CcTest::InitializeVM(); |
| 276 | v8::HandleScope scope(CcTest::isolate()); |
| 277 | const char* source = |
| 278 | "function* A() {" |
| 279 | " var i = 0;" |
| 280 | " while(true) {" |
| 281 | " yield i++;" |
| 282 | " }" |
| 283 | "};" |
| 284 | "function CreateGenerator() {" |
| 285 | " var o = A();" |
| 286 | " o.a = 42;" |
| 287 | " o.d = 4.2;" |
| 288 | " o.o = o;" |
| 289 | " return o;" |
| 290 | "}"; |
| 291 | CompileRun(source); |
| 292 | |
| 293 | Handle<JSFunction> func = GetGlobal<JSFunction>("A"); |
| 294 | |
| 295 | // Zero instances were created so far. |
| 296 | CHECK(!func->has_initial_map()); |
| 297 | |
| 298 | v8::Local<v8::Script> new_A_script = v8_compile("CreateGenerator();"); |
| 299 | |
| 300 | Handle<JSObject> obj = Run<JSObject>(new_A_script); |
| 301 | |
| 302 | CHECK(func->has_initial_map()); |
| 303 | Handle<Map> initial_map(func->initial_map()); |
| 304 | |
| 305 | // One instance created. |
| 306 | CHECK_EQ(Map::kSlackTrackingCounterStart - 1, |
| 307 | initial_map->construction_counter()); |
| 308 | CHECK(initial_map->IsInobjectSlackTrackingInProgress()); |
| 309 | |
| 310 | // There must be at least some slack. |
| 311 | CHECK_LT(5, obj->map()->GetInObjectProperties()); |
| 312 | CHECK_EQ(Smi::FromInt(42), GetFieldValue(*obj, 0)); |
| 313 | CHECK_EQ(4.2, GetDoubleFieldValue(*obj, 1)); |
| 314 | CHECK_EQ(*obj, GetFieldValue(*obj, 2)); |
| 315 | CHECK(IsObjectShrinkable(*obj)); |
| 316 | |
| 317 | // Create several objects to complete the tracking. |
| 318 | for (int i = 1; i < Map::kGenerousAllocationCount; i++) { |
| 319 | CHECK(initial_map->IsInobjectSlackTrackingInProgress()); |
| 320 | Handle<JSObject> tmp = Run<JSObject>(new_A_script); |
| 321 | CHECK_EQ(initial_map->IsInobjectSlackTrackingInProgress(), |
| 322 | IsObjectShrinkable(*tmp)); |
| 323 | } |
| 324 | CHECK(!initial_map->IsInobjectSlackTrackingInProgress()); |
| 325 | CHECK(!IsObjectShrinkable(*obj)); |
| 326 | |
| 327 | // No slack left. |
| 328 | CHECK_EQ(3, obj->map()->GetInObjectProperties()); |
| 329 | } |
| 330 | |
| 331 | |
| 332 | TEST(JSGeneratorObjectBasicNoInlineNew) { |
| 333 | FLAG_inline_new = false; |
| 334 | TestJSGeneratorObjectBasic(); |
| 335 | } |
| 336 | |
| 337 | |
| 338 | TEST(SubclassBasicNoBaseClassInstances) { |
| 339 | // Avoid eventual completion of in-object slack tracking. |
| 340 | FLAG_inline_construct = false; |
| 341 | FLAG_always_opt = false; |
| 342 | CcTest::InitializeVM(); |
| 343 | v8::HandleScope scope(CcTest::isolate()); |
| 344 | |
| 345 | // Check that base class' and subclass' slack tracking do not interfere with |
| 346 | // each other. |
| 347 | // In this test we never create base class instances. |
| 348 | |
| 349 | const char* source = |
| 350 | "'use strict';" |
| 351 | "class A {" |
| 352 | " constructor(...args) {" |
| 353 | " this.aa = 42;" |
| 354 | " this.ad = 4.2;" |
| 355 | " this.ao = this;" |
| 356 | " }" |
| 357 | "};" |
| 358 | "class B extends A {" |
| 359 | " constructor(...args) {" |
| 360 | " super(...args);" |
| 361 | " this.ba = 142;" |
| 362 | " this.bd = 14.2;" |
| 363 | " this.bo = this;" |
| 364 | " }" |
| 365 | "};"; |
| 366 | CompileRun(source); |
| 367 | |
| 368 | Handle<JSFunction> a_func = GetLexical<JSFunction>("A"); |
| 369 | Handle<JSFunction> b_func = GetLexical<JSFunction>("B"); |
| 370 | |
| 371 | // Zero instances were created so far. |
| 372 | CHECK(!a_func->has_initial_map()); |
| 373 | CHECK(!b_func->has_initial_map()); |
| 374 | |
| 375 | v8::Local<v8::Script> new_B_script = v8_compile("new B();"); |
| 376 | |
| 377 | Handle<JSObject> obj = Run<JSObject>(new_B_script); |
| 378 | |
| 379 | CHECK(a_func->has_initial_map()); |
| 380 | Handle<Map> a_initial_map(a_func->initial_map()); |
| 381 | |
| 382 | CHECK(b_func->has_initial_map()); |
| 383 | Handle<Map> b_initial_map(b_func->initial_map()); |
| 384 | |
| 385 | // Zero instances of A created. |
| 386 | CHECK_EQ(Map::kSlackTrackingCounterStart, |
| 387 | a_initial_map->construction_counter()); |
| 388 | CHECK(a_initial_map->IsInobjectSlackTrackingInProgress()); |
| 389 | |
| 390 | // One instance of B created. |
| 391 | CHECK_EQ(Map::kSlackTrackingCounterStart - 1, |
| 392 | b_initial_map->construction_counter()); |
| 393 | CHECK(b_initial_map->IsInobjectSlackTrackingInProgress()); |
| 394 | |
| 395 | // There must be at least some slack. |
| 396 | CHECK_LT(10, obj->map()->GetInObjectProperties()); |
| 397 | CHECK_EQ(Smi::FromInt(42), GetFieldValue(*obj, 0)); |
| 398 | CHECK_EQ(4.2, GetDoubleFieldValue(*obj, 1)); |
| 399 | CHECK_EQ(*obj, GetFieldValue(*obj, 2)); |
| 400 | CHECK_EQ(Smi::FromInt(142), GetFieldValue(*obj, 3)); |
| 401 | CHECK_EQ(14.2, GetDoubleFieldValue(*obj, 4)); |
| 402 | CHECK_EQ(*obj, GetFieldValue(*obj, 5)); |
| 403 | CHECK(IsObjectShrinkable(*obj)); |
| 404 | |
| 405 | // Create several subclass instances to complete the tracking. |
| 406 | for (int i = 1; i < Map::kGenerousAllocationCount; i++) { |
| 407 | CHECK(b_initial_map->IsInobjectSlackTrackingInProgress()); |
| 408 | Handle<JSObject> tmp = Run<JSObject>(new_B_script); |
| 409 | CHECK_EQ(b_initial_map->IsInobjectSlackTrackingInProgress(), |
| 410 | IsObjectShrinkable(*tmp)); |
| 411 | } |
| 412 | CHECK(!b_initial_map->IsInobjectSlackTrackingInProgress()); |
| 413 | CHECK(!IsObjectShrinkable(*obj)); |
| 414 | |
| 415 | // Zero instances of A created. |
| 416 | CHECK_EQ(Map::kSlackTrackingCounterStart, |
| 417 | a_initial_map->construction_counter()); |
| 418 | CHECK(a_initial_map->IsInobjectSlackTrackingInProgress()); |
| 419 | |
| 420 | // No slack left. |
| 421 | CHECK_EQ(6, obj->map()->GetInObjectProperties()); |
| 422 | } |
| 423 | |
| 424 | |
| 425 | TEST(SubclassBasicNoBaseClassInstancesNoInlineNew) { |
| 426 | FLAG_inline_new = false; |
| 427 | TestSubclassBasicNoBaseClassInstances(); |
| 428 | } |
| 429 | |
| 430 | |
| 431 | TEST(SubclassBasic) { |
| 432 | // Avoid eventual completion of in-object slack tracking. |
| 433 | FLAG_inline_construct = false; |
| 434 | FLAG_always_opt = false; |
| 435 | CcTest::InitializeVM(); |
| 436 | v8::HandleScope scope(CcTest::isolate()); |
| 437 | |
| 438 | // Check that base class' and subclass' slack tracking do not interfere with |
| 439 | // each other. |
| 440 | // In this test we first create enough base class instances to complete |
| 441 | // the slack tracking and then proceed creating subclass instances. |
| 442 | |
| 443 | const char* source = |
| 444 | "'use strict';" |
| 445 | "class A {" |
| 446 | " constructor(...args) {" |
| 447 | " this.aa = 42;" |
| 448 | " this.ad = 4.2;" |
| 449 | " this.ao = this;" |
| 450 | " }" |
| 451 | "};" |
| 452 | "class B extends A {" |
| 453 | " constructor(...args) {" |
| 454 | " super(...args);" |
| 455 | " this.ba = 142;" |
| 456 | " this.bd = 14.2;" |
| 457 | " this.bo = this;" |
| 458 | " }" |
| 459 | "};"; |
| 460 | CompileRun(source); |
| 461 | |
| 462 | Handle<JSFunction> a_func = GetLexical<JSFunction>("A"); |
| 463 | Handle<JSFunction> b_func = GetLexical<JSFunction>("B"); |
| 464 | |
| 465 | // Zero instances were created so far. |
| 466 | CHECK(!a_func->has_initial_map()); |
| 467 | CHECK(!b_func->has_initial_map()); |
| 468 | |
| 469 | v8::Local<v8::Script> new_A_script = v8_compile("new A();"); |
| 470 | v8::Local<v8::Script> new_B_script = v8_compile("new B();"); |
| 471 | |
| 472 | Handle<JSObject> a_obj = Run<JSObject>(new_A_script); |
| 473 | Handle<JSObject> b_obj = Run<JSObject>(new_B_script); |
| 474 | |
| 475 | CHECK(a_func->has_initial_map()); |
| 476 | Handle<Map> a_initial_map(a_func->initial_map()); |
| 477 | |
| 478 | CHECK(b_func->has_initial_map()); |
| 479 | Handle<Map> b_initial_map(b_func->initial_map()); |
| 480 | |
| 481 | // One instance of a base class created. |
| 482 | CHECK_EQ(Map::kSlackTrackingCounterStart - 1, |
| 483 | a_initial_map->construction_counter()); |
| 484 | CHECK(a_initial_map->IsInobjectSlackTrackingInProgress()); |
| 485 | |
| 486 | // One instance of a subclass created. |
| 487 | CHECK_EQ(Map::kSlackTrackingCounterStart - 1, |
| 488 | b_initial_map->construction_counter()); |
| 489 | CHECK(b_initial_map->IsInobjectSlackTrackingInProgress()); |
| 490 | |
| 491 | // Create several base class instances to complete the tracking. |
| 492 | for (int i = 1; i < Map::kGenerousAllocationCount; i++) { |
| 493 | CHECK(a_initial_map->IsInobjectSlackTrackingInProgress()); |
| 494 | Handle<JSObject> tmp = Run<JSObject>(new_A_script); |
| 495 | CHECK_EQ(a_initial_map->IsInobjectSlackTrackingInProgress(), |
| 496 | IsObjectShrinkable(*tmp)); |
| 497 | } |
| 498 | CHECK(!a_initial_map->IsInobjectSlackTrackingInProgress()); |
| 499 | CHECK(!IsObjectShrinkable(*a_obj)); |
| 500 | |
| 501 | // No slack left. |
| 502 | CHECK_EQ(3, a_obj->map()->GetInObjectProperties()); |
| 503 | |
| 504 | // There must be at least some slack. |
| 505 | CHECK_LT(10, b_obj->map()->GetInObjectProperties()); |
| 506 | CHECK_EQ(Smi::FromInt(42), GetFieldValue(*b_obj, 0)); |
| 507 | CHECK_EQ(4.2, GetDoubleFieldValue(*b_obj, 1)); |
| 508 | CHECK_EQ(*b_obj, GetFieldValue(*b_obj, 2)); |
| 509 | CHECK_EQ(Smi::FromInt(142), GetFieldValue(*b_obj, 3)); |
| 510 | CHECK_EQ(14.2, GetDoubleFieldValue(*b_obj, 4)); |
| 511 | CHECK_EQ(*b_obj, GetFieldValue(*b_obj, 5)); |
| 512 | CHECK(IsObjectShrinkable(*b_obj)); |
| 513 | |
| 514 | // Create several subclass instances to complete the tracking. |
| 515 | for (int i = 1; i < Map::kGenerousAllocationCount; i++) { |
| 516 | CHECK(b_initial_map->IsInobjectSlackTrackingInProgress()); |
| 517 | Handle<JSObject> tmp = Run<JSObject>(new_B_script); |
| 518 | CHECK_EQ(b_initial_map->IsInobjectSlackTrackingInProgress(), |
| 519 | IsObjectShrinkable(*tmp)); |
| 520 | } |
| 521 | CHECK(!b_initial_map->IsInobjectSlackTrackingInProgress()); |
| 522 | CHECK(!IsObjectShrinkable(*b_obj)); |
| 523 | |
| 524 | // No slack left. |
| 525 | CHECK_EQ(6, b_obj->map()->GetInObjectProperties()); |
| 526 | } |
| 527 | |
| 528 | |
| 529 | TEST(SubclassBasicNoInlineNew) { |
| 530 | FLAG_inline_new = false; |
| 531 | TestSubclassBasic(); |
| 532 | } |
| 533 | |
| 534 | |
| 535 | // Creates class hierachy of length matching the |hierarchy_desc| length and |
| 536 | // with the number of fields at i'th level equal to |hierarchy_desc[i]|. |
| 537 | static void CreateClassHierarchy(const std::vector<int>& hierarchy_desc) { |
| 538 | std::ostringstream os; |
| 539 | os << "'use strict';\n\n"; |
| 540 | |
| 541 | int n = static_cast<int>(hierarchy_desc.size()); |
| 542 | for (int cur_class = 0; cur_class < n; cur_class++) { |
| 543 | os << "class A" << cur_class; |
| 544 | if (cur_class > 0) { |
| 545 | os << " extends A" << (cur_class - 1); |
| 546 | } |
| 547 | os << " {\n" |
| 548 | " constructor(...args) {\n"; |
| 549 | if (cur_class > 0) { |
| 550 | os << " super(...args);\n"; |
| 551 | } |
| 552 | int fields_count = hierarchy_desc[cur_class]; |
| 553 | for (int k = 0; k < fields_count; k++) { |
| 554 | os << " this.f" << cur_class << "_" << k << " = " << k << ";\n"; |
| 555 | } |
| 556 | os << " }\n" |
| 557 | "};\n\n"; |
| 558 | } |
| 559 | CompileRun(os.str().c_str()); |
| 560 | } |
| 561 | |
| 562 | |
| 563 | static std::string GetClassName(int class_index) { |
| 564 | std::ostringstream os; |
| 565 | os << "A" << class_index; |
| 566 | return os.str(); |
| 567 | } |
| 568 | |
| 569 | |
| 570 | static v8::Local<v8::Script> GetNewObjectScript(const std::string& class_name) { |
| 571 | std::ostringstream os; |
| 572 | os << "new " << class_name << "();"; |
| 573 | return v8_compile(os.str().c_str()); |
| 574 | } |
| 575 | |
| 576 | |
| 577 | // Test that in-object slack tracking works as expected for first |n| classes |
| 578 | // in the hierarchy. |
| 579 | // This test works only for if the total property count is less than maximum |
| 580 | // in-object properties count. |
| 581 | static void TestClassHierarchy(const std::vector<int>& hierarchy_desc, int n) { |
| 582 | int fields_count = 0; |
| 583 | for (int cur_class = 0; cur_class < n; cur_class++) { |
| 584 | std::string class_name = GetClassName(cur_class); |
| 585 | int fields_count_at_current_level = hierarchy_desc[cur_class]; |
| 586 | fields_count += fields_count_at_current_level; |
| 587 | |
| 588 | // This test is not suitable for in-object properties count overflow case. |
| 589 | CHECK_LT(fields_count, kMaxInobjectProperties); |
| 590 | |
| 591 | // Create |class_name| objects and check slack tracking. |
| 592 | v8::Local<v8::Script> new_script = GetNewObjectScript(class_name); |
| 593 | |
| 594 | Handle<JSFunction> func = GetLexical<JSFunction>(class_name); |
| 595 | |
| 596 | Handle<JSObject> obj = Run<JSObject>(new_script); |
| 597 | |
| 598 | CHECK(func->has_initial_map()); |
| 599 | Handle<Map> initial_map(func->initial_map()); |
| 600 | |
| 601 | // There must be at least some slack. |
| 602 | CHECK_LT(fields_count, obj->map()->GetInObjectProperties()); |
| 603 | |
| 604 | // One instance was created. |
| 605 | CHECK_EQ(Map::kSlackTrackingCounterStart - 1, |
| 606 | initial_map->construction_counter()); |
| 607 | CHECK(initial_map->IsInobjectSlackTrackingInProgress()); |
| 608 | |
| 609 | // Create several instances to complete the tracking. |
| 610 | for (int i = 1; i < Map::kGenerousAllocationCount; i++) { |
| 611 | CHECK(initial_map->IsInobjectSlackTrackingInProgress()); |
| 612 | Handle<JSObject> tmp = Run<JSObject>(new_script); |
| 613 | CHECK_EQ(initial_map->IsInobjectSlackTrackingInProgress(), |
| 614 | IsObjectShrinkable(*tmp)); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 615 | CHECK_EQ(Map::kSlackTrackingCounterStart - i - 1, |
| 616 | initial_map->construction_counter()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 617 | } |
| 618 | CHECK(!initial_map->IsInobjectSlackTrackingInProgress()); |
| 619 | CHECK(!IsObjectShrinkable(*obj)); |
| 620 | |
| 621 | // No slack left. |
| 622 | CHECK_EQ(fields_count, obj->map()->GetInObjectProperties()); |
| 623 | } |
| 624 | } |
| 625 | |
| 626 | |
| 627 | static void TestSubclassChain(const std::vector<int>& hierarchy_desc) { |
| 628 | // Avoid eventual completion of in-object slack tracking. |
| 629 | FLAG_inline_construct = false; |
| 630 | FLAG_always_opt = false; |
| 631 | CcTest::InitializeVM(); |
| 632 | v8::HandleScope scope(CcTest::isolate()); |
| 633 | |
| 634 | CreateClassHierarchy(hierarchy_desc); |
| 635 | TestClassHierarchy(hierarchy_desc, static_cast<int>(hierarchy_desc.size())); |
| 636 | } |
| 637 | |
| 638 | |
| 639 | TEST(LongSubclassChain1) { |
| 640 | std::vector<int> hierarchy_desc; |
| 641 | for (int i = 0; i < 7; i++) { |
| 642 | hierarchy_desc.push_back(i * 10); |
| 643 | } |
| 644 | TestSubclassChain(hierarchy_desc); |
| 645 | } |
| 646 | |
| 647 | |
| 648 | TEST(LongSubclassChain2) { |
| 649 | std::vector<int> hierarchy_desc; |
| 650 | hierarchy_desc.push_back(10); |
| 651 | for (int i = 0; i < 42; i++) { |
| 652 | hierarchy_desc.push_back(0); |
| 653 | } |
| 654 | hierarchy_desc.push_back(230); |
| 655 | TestSubclassChain(hierarchy_desc); |
| 656 | } |
| 657 | |
| 658 | |
| 659 | TEST(LongSubclassChain3) { |
| 660 | std::vector<int> hierarchy_desc; |
| 661 | for (int i = 0; i < 42; i++) { |
| 662 | hierarchy_desc.push_back(5); |
| 663 | } |
| 664 | TestSubclassChain(hierarchy_desc); |
| 665 | } |
| 666 | |
| 667 | |
| 668 | TEST(InobjectPropetiesCountOverflowInSubclass) { |
| 669 | // Avoid eventual completion of in-object slack tracking. |
| 670 | FLAG_inline_construct = false; |
| 671 | FLAG_always_opt = false; |
| 672 | CcTest::InitializeVM(); |
| 673 | v8::HandleScope scope(CcTest::isolate()); |
| 674 | |
| 675 | std::vector<int> hierarchy_desc; |
| 676 | const int kNoOverflowCount = 5; |
| 677 | for (int i = 0; i < kNoOverflowCount; i++) { |
| 678 | hierarchy_desc.push_back(50); |
| 679 | } |
| 680 | // In this class we are going to have properties in the backing store. |
| 681 | hierarchy_desc.push_back(100); |
| 682 | |
| 683 | CreateClassHierarchy(hierarchy_desc); |
| 684 | |
| 685 | // For the last class in the hierarchy we need different checks. |
| 686 | { |
| 687 | int cur_class = kNoOverflowCount; |
| 688 | std::string class_name = GetClassName(cur_class); |
| 689 | |
| 690 | // Create |class_name| objects and check slack tracking. |
| 691 | v8::Local<v8::Script> new_script = GetNewObjectScript(class_name); |
| 692 | |
| 693 | Handle<JSFunction> func = GetLexical<JSFunction>(class_name); |
| 694 | |
| 695 | Handle<JSObject> obj = Run<JSObject>(new_script); |
| 696 | |
| 697 | CHECK(func->has_initial_map()); |
| 698 | Handle<Map> initial_map(func->initial_map()); |
| 699 | |
| 700 | // There must be no slack left. |
| 701 | CHECK_EQ(JSObject::kMaxInstanceSize, obj->map()->instance_size()); |
| 702 | CHECK_EQ(kMaxInobjectProperties, obj->map()->GetInObjectProperties()); |
| 703 | |
| 704 | // One instance was created. |
| 705 | CHECK_EQ(Map::kSlackTrackingCounterStart - 1, |
| 706 | initial_map->construction_counter()); |
| 707 | CHECK(initial_map->IsInobjectSlackTrackingInProgress()); |
| 708 | |
| 709 | // Create several instances to complete the tracking. |
| 710 | for (int i = 1; i < Map::kGenerousAllocationCount; i++) { |
| 711 | CHECK(initial_map->IsInobjectSlackTrackingInProgress()); |
| 712 | Handle<JSObject> tmp = Run<JSObject>(new_script); |
| 713 | CHECK(!IsObjectShrinkable(*tmp)); |
| 714 | } |
| 715 | CHECK(!initial_map->IsInobjectSlackTrackingInProgress()); |
| 716 | CHECK(!IsObjectShrinkable(*obj)); |
| 717 | |
| 718 | // No slack left. |
| 719 | CHECK_EQ(kMaxInobjectProperties, obj->map()->GetInObjectProperties()); |
| 720 | } |
| 721 | |
| 722 | // The other classes in the hierarchy are not affected. |
| 723 | TestClassHierarchy(hierarchy_desc, kNoOverflowCount); |
| 724 | } |
| 725 | |
| 726 | |
| 727 | TEST(SlowModeSubclass) { |
| 728 | // Avoid eventual completion of in-object slack tracking. |
| 729 | FLAG_inline_construct = false; |
| 730 | FLAG_always_opt = false; |
| 731 | CcTest::InitializeVM(); |
| 732 | v8::HandleScope scope(CcTest::isolate()); |
| 733 | |
| 734 | std::vector<int> hierarchy_desc; |
| 735 | const int kNoOverflowCount = 5; |
| 736 | for (int i = 0; i < kNoOverflowCount; i++) { |
| 737 | hierarchy_desc.push_back(50); |
| 738 | } |
| 739 | // This class should go dictionary mode. |
| 740 | hierarchy_desc.push_back(1000); |
| 741 | |
| 742 | CreateClassHierarchy(hierarchy_desc); |
| 743 | |
| 744 | // For the last class in the hierarchy we need different checks. |
| 745 | { |
| 746 | int cur_class = kNoOverflowCount; |
| 747 | std::string class_name = GetClassName(cur_class); |
| 748 | |
| 749 | // Create |class_name| objects and check slack tracking. |
| 750 | v8::Local<v8::Script> new_script = GetNewObjectScript(class_name); |
| 751 | |
| 752 | Handle<JSFunction> func = GetLexical<JSFunction>(class_name); |
| 753 | |
| 754 | Handle<JSObject> obj = Run<JSObject>(new_script); |
| 755 | |
| 756 | CHECK(func->has_initial_map()); |
| 757 | Handle<Map> initial_map(func->initial_map()); |
| 758 | |
| 759 | // Object should go dictionary mode. |
| 760 | CHECK_EQ(JSObject::kHeaderSize, obj->map()->instance_size()); |
| 761 | CHECK(obj->map()->is_dictionary_map()); |
| 762 | |
| 763 | // One instance was created. |
| 764 | CHECK_EQ(Map::kSlackTrackingCounterStart - 1, |
| 765 | initial_map->construction_counter()); |
| 766 | CHECK(initial_map->IsInobjectSlackTrackingInProgress()); |
| 767 | |
| 768 | // Create several instances to complete the tracking. |
| 769 | for (int i = 1; i < Map::kGenerousAllocationCount; i++) { |
| 770 | CHECK(initial_map->IsInobjectSlackTrackingInProgress()); |
| 771 | Handle<JSObject> tmp = Run<JSObject>(new_script); |
| 772 | CHECK(!IsObjectShrinkable(*tmp)); |
| 773 | } |
| 774 | CHECK(!initial_map->IsInobjectSlackTrackingInProgress()); |
| 775 | CHECK(!IsObjectShrinkable(*obj)); |
| 776 | |
| 777 | // Object should stay in dictionary mode. |
| 778 | CHECK_EQ(JSObject::kHeaderSize, obj->map()->instance_size()); |
| 779 | CHECK(obj->map()->is_dictionary_map()); |
| 780 | } |
| 781 | |
| 782 | // The other classes in the hierarchy are not affected. |
| 783 | TestClassHierarchy(hierarchy_desc, kNoOverflowCount); |
| 784 | } |
| 785 | |
| 786 | |
| 787 | static void TestSubclassBuiltin(const char* subclass_name, |
| 788 | InstanceType instance_type, |
| 789 | const char* builtin_name, |
| 790 | const char* ctor_arguments = "", |
| 791 | int builtin_properties_count = 0) { |
| 792 | { |
| 793 | std::ostringstream os; |
| 794 | os << "'use strict';\n" |
| 795 | "class " |
| 796 | << subclass_name << " extends " << builtin_name |
| 797 | << " {\n" |
| 798 | " constructor(...args) {\n" |
| 799 | " super(...args);\n" |
| 800 | " this.a = 42;\n" |
| 801 | " this.d = 4.2;\n" |
| 802 | " this.o = this;\n" |
| 803 | " }\n" |
| 804 | "};\n"; |
| 805 | CompileRun(os.str().c_str()); |
| 806 | } |
| 807 | |
| 808 | Handle<JSFunction> func = GetLexical<JSFunction>(subclass_name); |
| 809 | |
| 810 | // Zero instances were created so far. |
| 811 | CHECK(!func->has_initial_map()); |
| 812 | |
| 813 | v8::Local<v8::Script> new_script; |
| 814 | { |
| 815 | std::ostringstream os; |
| 816 | os << "new " << subclass_name << "(" << ctor_arguments << ");"; |
| 817 | new_script = v8_compile(os.str().c_str()); |
| 818 | } |
| 819 | |
| 820 | Run<JSObject>(new_script); |
| 821 | |
| 822 | CHECK(func->has_initial_map()); |
| 823 | Handle<Map> initial_map(func->initial_map()); |
| 824 | |
| 825 | CHECK_EQ(instance_type, initial_map->instance_type()); |
| 826 | |
| 827 | // One instance of a subclass created. |
| 828 | CHECK_EQ(Map::kSlackTrackingCounterStart - 1, |
| 829 | initial_map->construction_counter()); |
| 830 | CHECK(initial_map->IsInobjectSlackTrackingInProgress()); |
| 831 | |
| 832 | // Create two instances in order to ensure that |obj|.o is a data field |
| 833 | // in case of Function subclassing. |
| 834 | Handle<JSObject> obj = Run<JSObject>(new_script); |
| 835 | |
| 836 | // Two instances of a subclass created. |
| 837 | CHECK_EQ(Map::kSlackTrackingCounterStart - 2, |
| 838 | initial_map->construction_counter()); |
| 839 | CHECK(initial_map->IsInobjectSlackTrackingInProgress()); |
| 840 | |
| 841 | // There must be at least some slack. |
| 842 | CHECK_LT(builtin_properties_count + 5, obj->map()->GetInObjectProperties()); |
| 843 | CHECK_EQ(Smi::FromInt(42), GetFieldValue(*obj, builtin_properties_count + 0)); |
| 844 | CHECK_EQ(4.2, GetDoubleFieldValue(*obj, builtin_properties_count + 1)); |
| 845 | CHECK_EQ(*obj, GetFieldValue(*obj, builtin_properties_count + 2)); |
| 846 | CHECK(IsObjectShrinkable(*obj)); |
| 847 | |
| 848 | // Create several subclass instances to complete the tracking. |
| 849 | for (int i = 2; i < Map::kGenerousAllocationCount; i++) { |
| 850 | CHECK(initial_map->IsInobjectSlackTrackingInProgress()); |
| 851 | Handle<JSObject> tmp = Run<JSObject>(new_script); |
| 852 | CHECK_EQ(initial_map->IsInobjectSlackTrackingInProgress(), |
| 853 | IsObjectShrinkable(*tmp)); |
| 854 | } |
| 855 | CHECK(!initial_map->IsInobjectSlackTrackingInProgress()); |
| 856 | CHECK(!IsObjectShrinkable(*obj)); |
| 857 | |
| 858 | // No slack left. |
| 859 | CHECK_EQ(builtin_properties_count + 3, obj->map()->GetInObjectProperties()); |
| 860 | |
| 861 | CHECK_EQ(instance_type, obj->map()->instance_type()); |
| 862 | } |
| 863 | |
| 864 | |
| 865 | TEST(SubclassObjectBuiltin) { |
| 866 | // Avoid eventual completion of in-object slack tracking. |
| 867 | FLAG_inline_construct = false; |
| 868 | FLAG_always_opt = false; |
| 869 | CcTest::InitializeVM(); |
| 870 | v8::HandleScope scope(CcTest::isolate()); |
| 871 | |
| 872 | TestSubclassBuiltin("A1", JS_OBJECT_TYPE, "Object", "true"); |
| 873 | TestSubclassBuiltin("A2", JS_OBJECT_TYPE, "Object", "42"); |
| 874 | TestSubclassBuiltin("A3", JS_OBJECT_TYPE, "Object", "'some string'"); |
| 875 | } |
| 876 | |
| 877 | |
| 878 | TEST(SubclassObjectBuiltinNoInlineNew) { |
| 879 | FLAG_inline_new = false; |
| 880 | TestSubclassObjectBuiltin(); |
| 881 | } |
| 882 | |
| 883 | |
| 884 | TEST(SubclassFunctionBuiltin) { |
| 885 | // Avoid eventual completion of in-object slack tracking. |
| 886 | FLAG_inline_construct = false; |
| 887 | FLAG_always_opt = false; |
| 888 | CcTest::InitializeVM(); |
| 889 | v8::HandleScope scope(CcTest::isolate()); |
| 890 | |
| 891 | TestSubclassBuiltin("A1", JS_FUNCTION_TYPE, "Function", "'return 153;'"); |
| 892 | TestSubclassBuiltin("A2", JS_FUNCTION_TYPE, "Function", "'this.a = 44;'"); |
| 893 | } |
| 894 | |
| 895 | |
| 896 | TEST(SubclassFunctionBuiltinNoInlineNew) { |
| 897 | FLAG_inline_new = false; |
| 898 | TestSubclassFunctionBuiltin(); |
| 899 | } |
| 900 | |
| 901 | |
| 902 | TEST(SubclassBooleanBuiltin) { |
| 903 | // Avoid eventual completion of in-object slack tracking. |
| 904 | FLAG_inline_construct = false; |
| 905 | FLAG_always_opt = false; |
| 906 | CcTest::InitializeVM(); |
| 907 | v8::HandleScope scope(CcTest::isolate()); |
| 908 | |
| 909 | TestSubclassBuiltin("A1", JS_VALUE_TYPE, "Boolean", "true"); |
| 910 | TestSubclassBuiltin("A2", JS_VALUE_TYPE, "Boolean", "false"); |
| 911 | } |
| 912 | |
| 913 | |
| 914 | TEST(SubclassBooleanBuiltinNoInlineNew) { |
| 915 | FLAG_inline_new = false; |
| 916 | TestSubclassBooleanBuiltin(); |
| 917 | } |
| 918 | |
| 919 | |
| 920 | TEST(SubclassErrorBuiltin) { |
| 921 | // Avoid eventual completion of in-object slack tracking. |
| 922 | FLAG_inline_construct = false; |
| 923 | FLAG_always_opt = false; |
| 924 | CcTest::InitializeVM(); |
| 925 | v8::HandleScope scope(CcTest::isolate()); |
| 926 | |
| 927 | const int first_field = 2; |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 928 | TestSubclassBuiltin("A1", JS_ERROR_TYPE, "Error", "'err'", first_field); |
| 929 | TestSubclassBuiltin("A2", JS_ERROR_TYPE, "EvalError", "'err'", first_field); |
| 930 | TestSubclassBuiltin("A3", JS_ERROR_TYPE, "RangeError", "'err'", first_field); |
| 931 | TestSubclassBuiltin("A4", JS_ERROR_TYPE, "ReferenceError", "'err'", |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 932 | first_field); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 933 | TestSubclassBuiltin("A5", JS_ERROR_TYPE, "SyntaxError", "'err'", first_field); |
| 934 | TestSubclassBuiltin("A6", JS_ERROR_TYPE, "TypeError", "'err'", first_field); |
| 935 | TestSubclassBuiltin("A7", JS_ERROR_TYPE, "URIError", "'err'", first_field); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 936 | } |
| 937 | |
| 938 | |
| 939 | TEST(SubclassErrorBuiltinNoInlineNew) { |
| 940 | FLAG_inline_new = false; |
| 941 | TestSubclassErrorBuiltin(); |
| 942 | } |
| 943 | |
| 944 | |
| 945 | TEST(SubclassNumberBuiltin) { |
| 946 | // Avoid eventual completion of in-object slack tracking. |
| 947 | FLAG_inline_construct = false; |
| 948 | FLAG_always_opt = false; |
| 949 | CcTest::InitializeVM(); |
| 950 | v8::HandleScope scope(CcTest::isolate()); |
| 951 | |
| 952 | TestSubclassBuiltin("A1", JS_VALUE_TYPE, "Number", "42"); |
| 953 | TestSubclassBuiltin("A2", JS_VALUE_TYPE, "Number", "4.2"); |
| 954 | } |
| 955 | |
| 956 | |
| 957 | TEST(SubclassNumberBuiltinNoInlineNew) { |
| 958 | FLAG_inline_new = false; |
| 959 | TestSubclassNumberBuiltin(); |
| 960 | } |
| 961 | |
| 962 | |
| 963 | TEST(SubclassDateBuiltin) { |
| 964 | // Avoid eventual completion of in-object slack tracking. |
| 965 | FLAG_inline_construct = false; |
| 966 | FLAG_always_opt = false; |
| 967 | CcTest::InitializeVM(); |
| 968 | v8::HandleScope scope(CcTest::isolate()); |
| 969 | |
| 970 | TestSubclassBuiltin("A1", JS_DATE_TYPE, "Date", "123456789"); |
| 971 | } |
| 972 | |
| 973 | |
| 974 | TEST(SubclassDateBuiltinNoInlineNew) { |
| 975 | FLAG_inline_new = false; |
| 976 | TestSubclassDateBuiltin(); |
| 977 | } |
| 978 | |
| 979 | |
| 980 | TEST(SubclassStringBuiltin) { |
| 981 | // Avoid eventual completion of in-object slack tracking. |
| 982 | FLAG_inline_construct = false; |
| 983 | FLAG_always_opt = false; |
| 984 | CcTest::InitializeVM(); |
| 985 | v8::HandleScope scope(CcTest::isolate()); |
| 986 | |
| 987 | TestSubclassBuiltin("A1", JS_VALUE_TYPE, "String", "'some string'"); |
| 988 | TestSubclassBuiltin("A2", JS_VALUE_TYPE, "String", ""); |
| 989 | } |
| 990 | |
| 991 | |
| 992 | TEST(SubclassStringBuiltinNoInlineNew) { |
| 993 | FLAG_inline_new = false; |
| 994 | TestSubclassStringBuiltin(); |
| 995 | } |
| 996 | |
| 997 | |
| 998 | TEST(SubclassRegExpBuiltin) { |
| 999 | // Avoid eventual completion of in-object slack tracking. |
| 1000 | FLAG_inline_construct = false; |
| 1001 | FLAG_always_opt = false; |
| 1002 | CcTest::InitializeVM(); |
| 1003 | v8::HandleScope scope(CcTest::isolate()); |
| 1004 | |
| 1005 | const int first_field = 1; |
| 1006 | TestSubclassBuiltin("A1", JS_REGEXP_TYPE, "RegExp", "'o(..)h', 'g'", |
| 1007 | first_field); |
| 1008 | } |
| 1009 | |
| 1010 | |
| 1011 | TEST(SubclassRegExpBuiltinNoInlineNew) { |
| 1012 | FLAG_inline_new = false; |
| 1013 | TestSubclassRegExpBuiltin(); |
| 1014 | } |
| 1015 | |
| 1016 | |
| 1017 | TEST(SubclassArrayBuiltin) { |
| 1018 | // Avoid eventual completion of in-object slack tracking. |
| 1019 | FLAG_inline_construct = false; |
| 1020 | FLAG_always_opt = false; |
| 1021 | CcTest::InitializeVM(); |
| 1022 | v8::HandleScope scope(CcTest::isolate()); |
| 1023 | |
| 1024 | TestSubclassBuiltin("A1", JS_ARRAY_TYPE, "Array", "42"); |
| 1025 | } |
| 1026 | |
| 1027 | |
| 1028 | TEST(SubclassArrayBuiltinNoInlineNew) { |
| 1029 | FLAG_inline_new = false; |
| 1030 | TestSubclassArrayBuiltin(); |
| 1031 | } |
| 1032 | |
| 1033 | |
| 1034 | TEST(SubclassTypedArrayBuiltin) { |
| 1035 | // Avoid eventual completion of in-object slack tracking. |
| 1036 | FLAG_inline_construct = false; |
| 1037 | FLAG_always_opt = false; |
| 1038 | CcTest::InitializeVM(); |
| 1039 | v8::HandleScope scope(CcTest::isolate()); |
| 1040 | |
| 1041 | #define TYPED_ARRAY_TEST(Type, type, TYPE, elementType, size) \ |
| 1042 | TestSubclassBuiltin("A" #Type, JS_TYPED_ARRAY_TYPE, #Type "Array", "42"); |
| 1043 | |
| 1044 | TYPED_ARRAYS(TYPED_ARRAY_TEST) |
| 1045 | |
| 1046 | #undef TYPED_ARRAY_TEST |
| 1047 | } |
| 1048 | |
| 1049 | |
| 1050 | TEST(SubclassTypedArrayBuiltinNoInlineNew) { |
| 1051 | FLAG_inline_new = false; |
| 1052 | TestSubclassTypedArrayBuiltin(); |
| 1053 | } |
| 1054 | |
| 1055 | |
| 1056 | TEST(SubclassCollectionBuiltin) { |
| 1057 | // Avoid eventual completion of in-object slack tracking. |
| 1058 | FLAG_inline_construct = false; |
| 1059 | FLAG_always_opt = false; |
| 1060 | CcTest::InitializeVM(); |
| 1061 | v8::HandleScope scope(CcTest::isolate()); |
| 1062 | |
| 1063 | TestSubclassBuiltin("A1", JS_SET_TYPE, "Set", ""); |
| 1064 | TestSubclassBuiltin("A2", JS_MAP_TYPE, "Map", ""); |
| 1065 | TestSubclassBuiltin("A3", JS_WEAK_SET_TYPE, "WeakSet", ""); |
| 1066 | TestSubclassBuiltin("A4", JS_WEAK_MAP_TYPE, "WeakMap", ""); |
| 1067 | } |
| 1068 | |
| 1069 | |
| 1070 | TEST(SubclassCollectionBuiltinNoInlineNew) { |
| 1071 | FLAG_inline_new = false; |
| 1072 | TestSubclassCollectionBuiltin(); |
| 1073 | } |
| 1074 | |
| 1075 | |
| 1076 | TEST(SubclassArrayBufferBuiltin) { |
| 1077 | // Avoid eventual completion of in-object slack tracking. |
| 1078 | FLAG_inline_construct = false; |
| 1079 | FLAG_always_opt = false; |
| 1080 | CcTest::InitializeVM(); |
| 1081 | v8::HandleScope scope(CcTest::isolate()); |
| 1082 | |
| 1083 | TestSubclassBuiltin("A1", JS_ARRAY_BUFFER_TYPE, "ArrayBuffer", "42"); |
| 1084 | TestSubclassBuiltin("A2", JS_DATA_VIEW_TYPE, "DataView", |
| 1085 | "new ArrayBuffer(42)"); |
| 1086 | } |
| 1087 | |
| 1088 | |
| 1089 | TEST(SubclassArrayBufferBuiltinNoInlineNew) { |
| 1090 | FLAG_inline_new = false; |
| 1091 | TestSubclassArrayBufferBuiltin(); |
| 1092 | } |
| 1093 | |
| 1094 | |
| 1095 | TEST(SubclassPromiseBuiltin) { |
| 1096 | // Avoid eventual completion of in-object slack tracking. |
| 1097 | FLAG_inline_construct = false; |
| 1098 | FLAG_always_opt = false; |
| 1099 | CcTest::InitializeVM(); |
| 1100 | v8::HandleScope scope(CcTest::isolate()); |
| 1101 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1102 | const int first_field = 5; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1103 | TestSubclassBuiltin("A1", JS_PROMISE_TYPE, "Promise", |
| 1104 | "function(resolve, reject) { resolve('ok'); }", |
| 1105 | first_field); |
| 1106 | } |
| 1107 | |
| 1108 | |
| 1109 | TEST(SubclassPromiseBuiltinNoInlineNew) { |
| 1110 | FLAG_inline_new = false; |
| 1111 | TestSubclassPromiseBuiltin(); |
| 1112 | } |