Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame^] | 1 | // Copyright 2012 the V8 project authors. All rights reserved. |
| 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | |
| 28 | #include "src/v8.h" |
| 29 | |
| 30 | #include "test/cctest/cctest.h" |
| 31 | |
| 32 | using namespace v8; |
| 33 | namespace i = v8::internal; |
| 34 | |
| 35 | |
| 36 | TEST(PerIsolateState) { |
| 37 | HandleScope scope(CcTest::isolate()); |
| 38 | LocalContext context1(CcTest::isolate()); |
| 39 | |
| 40 | Local<Value> foo = v8_str("foo"); |
| 41 | context1->SetSecurityToken(foo); |
| 42 | |
| 43 | CompileRun( |
| 44 | "var count = 0;" |
| 45 | "var calls = 0;" |
| 46 | "var observer = function(records) { count = records.length; calls++ };" |
| 47 | "var obj = {};" |
| 48 | "Object.observe(obj, observer);"); |
| 49 | Handle<Value> observer = CompileRun("observer"); |
| 50 | Handle<Value> obj = CompileRun("obj"); |
| 51 | Handle<Value> notify_fun1 = CompileRun( |
| 52 | "(function() { obj.foo = 'bar'; })"); |
| 53 | Handle<Value> notify_fun2; |
| 54 | { |
| 55 | LocalContext context2(CcTest::isolate()); |
| 56 | context2->SetSecurityToken(foo); |
| 57 | context2->Global()->Set(String::NewFromUtf8(CcTest::isolate(), "obj"), |
| 58 | obj); |
| 59 | notify_fun2 = CompileRun( |
| 60 | "(function() { obj.foo = 'baz'; })"); |
| 61 | } |
| 62 | Handle<Value> notify_fun3; |
| 63 | { |
| 64 | LocalContext context3(CcTest::isolate()); |
| 65 | context3->SetSecurityToken(foo); |
| 66 | context3->Global()->Set(String::NewFromUtf8(CcTest::isolate(), "obj"), |
| 67 | obj); |
| 68 | notify_fun3 = CompileRun( |
| 69 | "(function() { obj.foo = 'bat'; })"); |
| 70 | } |
| 71 | { |
| 72 | LocalContext context4(CcTest::isolate()); |
| 73 | context4->SetSecurityToken(foo); |
| 74 | context4->Global()->Set( |
| 75 | String::NewFromUtf8(CcTest::isolate(), "observer"), observer); |
| 76 | context4->Global()->Set(String::NewFromUtf8(CcTest::isolate(), "fun1"), |
| 77 | notify_fun1); |
| 78 | context4->Global()->Set(String::NewFromUtf8(CcTest::isolate(), "fun2"), |
| 79 | notify_fun2); |
| 80 | context4->Global()->Set(String::NewFromUtf8(CcTest::isolate(), "fun3"), |
| 81 | notify_fun3); |
| 82 | CompileRun("fun1(); fun2(); fun3(); Object.deliverChangeRecords(observer)"); |
| 83 | } |
| 84 | CHECK_EQ(1, CompileRun("calls")->Int32Value()); |
| 85 | CHECK_EQ(3, CompileRun("count")->Int32Value()); |
| 86 | } |
| 87 | |
| 88 | |
| 89 | TEST(EndOfMicrotaskDelivery) { |
| 90 | HandleScope scope(CcTest::isolate()); |
| 91 | LocalContext context(CcTest::isolate()); |
| 92 | CompileRun( |
| 93 | "var obj = {};" |
| 94 | "var count = 0;" |
| 95 | "var observer = function(records) { count = records.length };" |
| 96 | "Object.observe(obj, observer);" |
| 97 | "obj.foo = 'bar';"); |
| 98 | CHECK_EQ(1, CompileRun("count")->Int32Value()); |
| 99 | } |
| 100 | |
| 101 | |
| 102 | TEST(DeliveryOrdering) { |
| 103 | HandleScope scope(CcTest::isolate()); |
| 104 | LocalContext context(CcTest::isolate()); |
| 105 | CompileRun( |
| 106 | "var obj1 = {};" |
| 107 | "var obj2 = {};" |
| 108 | "var ordering = [];" |
| 109 | "function observer2() { ordering.push(2); };" |
| 110 | "function observer1() { ordering.push(1); };" |
| 111 | "function observer3() { ordering.push(3); };" |
| 112 | "Object.observe(obj1, observer1);" |
| 113 | "Object.observe(obj1, observer2);" |
| 114 | "Object.observe(obj1, observer3);" |
| 115 | "obj1.foo = 'bar';"); |
| 116 | CHECK_EQ(3, CompileRun("ordering.length")->Int32Value()); |
| 117 | CHECK_EQ(1, CompileRun("ordering[0]")->Int32Value()); |
| 118 | CHECK_EQ(2, CompileRun("ordering[1]")->Int32Value()); |
| 119 | CHECK_EQ(3, CompileRun("ordering[2]")->Int32Value()); |
| 120 | CompileRun( |
| 121 | "ordering = [];" |
| 122 | "Object.observe(obj2, observer3);" |
| 123 | "Object.observe(obj2, observer2);" |
| 124 | "Object.observe(obj2, observer1);" |
| 125 | "obj2.foo = 'baz'"); |
| 126 | CHECK_EQ(3, CompileRun("ordering.length")->Int32Value()); |
| 127 | CHECK_EQ(1, CompileRun("ordering[0]")->Int32Value()); |
| 128 | CHECK_EQ(2, CompileRun("ordering[1]")->Int32Value()); |
| 129 | CHECK_EQ(3, CompileRun("ordering[2]")->Int32Value()); |
| 130 | } |
| 131 | |
| 132 | |
| 133 | TEST(DeliveryOrderingReentrant) { |
| 134 | HandleScope scope(CcTest::isolate()); |
| 135 | LocalContext context(CcTest::isolate()); |
| 136 | CompileRun( |
| 137 | "var obj = {};" |
| 138 | "var reentered = false;" |
| 139 | "var ordering = [];" |
| 140 | "function observer1() { ordering.push(1); };" |
| 141 | "function observer2() {" |
| 142 | " if (!reentered) {" |
| 143 | " obj.foo = 'baz';" |
| 144 | " reentered = true;" |
| 145 | " }" |
| 146 | " ordering.push(2);" |
| 147 | "};" |
| 148 | "function observer3() { ordering.push(3); };" |
| 149 | "Object.observe(obj, observer1);" |
| 150 | "Object.observe(obj, observer2);" |
| 151 | "Object.observe(obj, observer3);" |
| 152 | "obj.foo = 'bar';"); |
| 153 | CHECK_EQ(5, CompileRun("ordering.length")->Int32Value()); |
| 154 | CHECK_EQ(1, CompileRun("ordering[0]")->Int32Value()); |
| 155 | CHECK_EQ(2, CompileRun("ordering[1]")->Int32Value()); |
| 156 | CHECK_EQ(3, CompileRun("ordering[2]")->Int32Value()); |
| 157 | // Note that we re-deliver to observers 1 and 2, while observer3 |
| 158 | // already received the second record during the first round. |
| 159 | CHECK_EQ(1, CompileRun("ordering[3]")->Int32Value()); |
| 160 | CHECK_EQ(2, CompileRun("ordering[1]")->Int32Value()); |
| 161 | } |
| 162 | |
| 163 | |
| 164 | TEST(DeliveryOrderingDeliverChangeRecords) { |
| 165 | HandleScope scope(CcTest::isolate()); |
| 166 | LocalContext context(CcTest::isolate()); |
| 167 | CompileRun( |
| 168 | "var obj = {};" |
| 169 | "var ordering = [];" |
| 170 | "function observer1() { ordering.push(1); if (!obj.b) obj.b = true };" |
| 171 | "function observer2() { ordering.push(2); };" |
| 172 | "Object.observe(obj, observer1);" |
| 173 | "Object.observe(obj, observer2);" |
| 174 | "obj.a = 1;" |
| 175 | "Object.deliverChangeRecords(observer2);"); |
| 176 | CHECK_EQ(4, CompileRun("ordering.length")->Int32Value()); |
| 177 | // First, observer2 is called due to deliverChangeRecords |
| 178 | CHECK_EQ(2, CompileRun("ordering[0]")->Int32Value()); |
| 179 | // Then, observer1 is called when the stack unwinds |
| 180 | CHECK_EQ(1, CompileRun("ordering[1]")->Int32Value()); |
| 181 | // observer1's mutation causes both 1 and 2 to be reactivated, |
| 182 | // with 1 having priority. |
| 183 | CHECK_EQ(1, CompileRun("ordering[2]")->Int32Value()); |
| 184 | CHECK_EQ(2, CompileRun("ordering[3]")->Int32Value()); |
| 185 | } |
| 186 | |
| 187 | |
| 188 | TEST(ObjectHashTableGrowth) { |
| 189 | HandleScope scope(CcTest::isolate()); |
| 190 | // Initializing this context sets up initial hash tables. |
| 191 | LocalContext context(CcTest::isolate()); |
| 192 | Handle<Value> obj = CompileRun("obj = {};"); |
| 193 | Handle<Value> observer = CompileRun( |
| 194 | "var ran = false;" |
| 195 | "(function() { ran = true })"); |
| 196 | { |
| 197 | // As does initializing this context. |
| 198 | LocalContext context2(CcTest::isolate()); |
| 199 | context2->Global()->Set(String::NewFromUtf8(CcTest::isolate(), "obj"), |
| 200 | obj); |
| 201 | context2->Global()->Set( |
| 202 | String::NewFromUtf8(CcTest::isolate(), "observer"), observer); |
| 203 | CompileRun( |
| 204 | "var objArr = [];" |
| 205 | // 100 objects should be enough to make the hash table grow |
| 206 | // (and thus relocate). |
| 207 | "for (var i = 0; i < 100; ++i) {" |
| 208 | " objArr.push({});" |
| 209 | " Object.observe(objArr[objArr.length-1], function(){});" |
| 210 | "}" |
| 211 | "Object.observe(obj, observer);"); |
| 212 | } |
| 213 | // obj is now marked "is_observed", but our map has moved. |
| 214 | CompileRun("obj.foo = 'bar'"); |
| 215 | CHECK(CompileRun("ran")->BooleanValue()); |
| 216 | } |
| 217 | |
| 218 | |
| 219 | struct RecordExpectation { |
| 220 | Handle<Value> object; |
| 221 | const char* type; |
| 222 | const char* name; |
| 223 | Handle<Value> old_value; |
| 224 | }; |
| 225 | |
| 226 | |
| 227 | // TODO(adamk): Use this helper elsewhere in this file. |
| 228 | static void ExpectRecords(v8::Isolate* isolate, |
| 229 | Handle<Value> records, |
| 230 | const RecordExpectation expectations[], |
| 231 | int num) { |
| 232 | CHECK(records->IsArray()); |
| 233 | Handle<Array> recordArray = records.As<Array>(); |
| 234 | CHECK_EQ(num, static_cast<int>(recordArray->Length())); |
| 235 | for (int i = 0; i < num; ++i) { |
| 236 | Handle<Value> record = recordArray->Get(i); |
| 237 | CHECK(record->IsObject()); |
| 238 | Handle<Object> recordObj = record.As<Object>(); |
| 239 | CHECK(expectations[i].object->StrictEquals( |
| 240 | recordObj->Get(String::NewFromUtf8(isolate, "object")))); |
| 241 | CHECK(String::NewFromUtf8(isolate, expectations[i].type)->Equals( |
| 242 | recordObj->Get(String::NewFromUtf8(isolate, "type")))); |
| 243 | if (strcmp("splice", expectations[i].type) != 0) { |
| 244 | CHECK(String::NewFromUtf8(isolate, expectations[i].name)->Equals( |
| 245 | recordObj->Get(String::NewFromUtf8(isolate, "name")))); |
| 246 | if (!expectations[i].old_value.IsEmpty()) { |
| 247 | CHECK(expectations[i].old_value->Equals( |
| 248 | recordObj->Get(String::NewFromUtf8(isolate, "oldValue")))); |
| 249 | } |
| 250 | } |
| 251 | } |
| 252 | } |
| 253 | |
| 254 | #define EXPECT_RECORDS(records, expectations) \ |
| 255 | ExpectRecords(CcTest::isolate(), records, expectations, \ |
| 256 | arraysize(expectations)) |
| 257 | |
| 258 | TEST(APITestBasicMutation) { |
| 259 | v8::Isolate* v8_isolate = CcTest::isolate(); |
| 260 | HandleScope scope(v8_isolate); |
| 261 | LocalContext context(v8_isolate); |
| 262 | Handle<Object> obj = Handle<Object>::Cast(CompileRun( |
| 263 | "var records = [];" |
| 264 | "var obj = {};" |
| 265 | "function observer(r) { [].push.apply(records, r); };" |
| 266 | "Object.observe(obj, observer);" |
| 267 | "obj")); |
| 268 | obj->Set(String::NewFromUtf8(v8_isolate, "foo"), |
| 269 | Number::New(v8_isolate, 7)); |
| 270 | obj->Set(1, Number::New(v8_isolate, 2)); |
| 271 | // ForceSet should work just as well as Set |
| 272 | obj->ForceSet(String::NewFromUtf8(v8_isolate, "foo"), |
| 273 | Number::New(v8_isolate, 3)); |
| 274 | obj->ForceSet(Number::New(v8_isolate, 1), Number::New(v8_isolate, 4)); |
| 275 | // Setting an indexed element via the property setting method |
| 276 | obj->Set(Number::New(v8_isolate, 1), Number::New(v8_isolate, 5)); |
| 277 | // Setting with a non-String, non-uint32 key |
| 278 | obj->ForceSet(Number::New(v8_isolate, 1.1), Number::New(v8_isolate, 6), |
| 279 | DontDelete); |
| 280 | obj->Delete(String::NewFromUtf8(v8_isolate, "foo")); |
| 281 | obj->Delete(1); |
| 282 | obj->ForceDelete(Number::New(v8_isolate, 1.1)); |
| 283 | |
| 284 | // Force delivery |
| 285 | // TODO(adamk): Should the above set methods trigger delivery themselves? |
| 286 | CompileRun("void 0"); |
| 287 | CHECK_EQ(9, CompileRun("records.length")->Int32Value()); |
| 288 | const RecordExpectation expected_records[] = { |
| 289 | { obj, "add", "foo", Handle<Value>() }, |
| 290 | { obj, "add", "1", Handle<Value>() }, |
| 291 | // Note: use 7 not 1 below, as the latter triggers a nifty VS10 compiler bug |
| 292 | // where instead of 1.0, a garbage value would be passed into Number::New. |
| 293 | { obj, "update", "foo", Number::New(v8_isolate, 7) }, |
| 294 | { obj, "update", "1", Number::New(v8_isolate, 2) }, |
| 295 | { obj, "update", "1", Number::New(v8_isolate, 4) }, |
| 296 | { obj, "add", "1.1", Handle<Value>() }, |
| 297 | { obj, "delete", "foo", Number::New(v8_isolate, 3) }, |
| 298 | { obj, "delete", "1", Number::New(v8_isolate, 5) }, |
| 299 | { obj, "delete", "1.1", Number::New(v8_isolate, 6) } |
| 300 | }; |
| 301 | EXPECT_RECORDS(CompileRun("records"), expected_records); |
| 302 | } |
| 303 | |
| 304 | |
| 305 | TEST(HiddenPrototypeObservation) { |
| 306 | v8::Isolate* v8_isolate = CcTest::isolate(); |
| 307 | HandleScope scope(v8_isolate); |
| 308 | LocalContext context(v8_isolate); |
| 309 | Handle<FunctionTemplate> tmpl = FunctionTemplate::New(v8_isolate); |
| 310 | tmpl->SetHiddenPrototype(true); |
| 311 | tmpl->InstanceTemplate()->Set( |
| 312 | String::NewFromUtf8(v8_isolate, "foo"), Number::New(v8_isolate, 75)); |
| 313 | Handle<Object> proto = tmpl->GetFunction()->NewInstance(); |
| 314 | Handle<Object> obj = Object::New(v8_isolate); |
| 315 | obj->SetPrototype(proto); |
| 316 | context->Global()->Set(String::NewFromUtf8(v8_isolate, "obj"), obj); |
| 317 | context->Global()->Set(String::NewFromUtf8(v8_isolate, "proto"), |
| 318 | proto); |
| 319 | CompileRun( |
| 320 | "var records;" |
| 321 | "function observer(r) { records = r; };" |
| 322 | "Object.observe(obj, observer);" |
| 323 | "obj.foo = 41;" // triggers a notification |
| 324 | "proto.foo = 42;"); // does not trigger a notification |
| 325 | const RecordExpectation expected_records[] = { |
| 326 | { obj, "update", "foo", Number::New(v8_isolate, 75) } |
| 327 | }; |
| 328 | EXPECT_RECORDS(CompileRun("records"), expected_records); |
| 329 | obj->SetPrototype(Null(v8_isolate)); |
| 330 | CompileRun("obj.foo = 43"); |
| 331 | const RecordExpectation expected_records2[] = { |
| 332 | { obj, "add", "foo", Handle<Value>() } |
| 333 | }; |
| 334 | EXPECT_RECORDS(CompileRun("records"), expected_records2); |
| 335 | obj->SetPrototype(proto); |
| 336 | CompileRun( |
| 337 | "Object.observe(proto, observer);" |
| 338 | "proto.bar = 1;" |
| 339 | "Object.unobserve(obj, observer);" |
| 340 | "obj.foo = 44;"); |
| 341 | const RecordExpectation expected_records3[] = { |
| 342 | { proto, "add", "bar", Handle<Value>() } |
| 343 | // TODO(adamk): The below record should be emitted since proto is observed |
| 344 | // and has been modified. Not clear if this happens in practice. |
| 345 | // { proto, "update", "foo", Number::New(43) } |
| 346 | }; |
| 347 | EXPECT_RECORDS(CompileRun("records"), expected_records3); |
| 348 | } |
| 349 | |
| 350 | |
| 351 | static int NumberOfElements(i::Handle<i::JSWeakMap> map) { |
| 352 | return i::ObjectHashTable::cast(map->table())->NumberOfElements(); |
| 353 | } |
| 354 | |
| 355 | |
| 356 | TEST(ObservationWeakMap) { |
| 357 | HandleScope scope(CcTest::isolate()); |
| 358 | LocalContext context(CcTest::isolate()); |
| 359 | CompileRun( |
| 360 | "var obj = {};" |
| 361 | "Object.observe(obj, function(){});" |
| 362 | "Object.getNotifier(obj);" |
| 363 | "obj = null;"); |
| 364 | i::Isolate* i_isolate = CcTest::i_isolate(); |
| 365 | i::Handle<i::JSObject> observation_state = |
| 366 | i_isolate->factory()->observation_state(); |
| 367 | i::Handle<i::JSWeakMap> callbackInfoMap = |
| 368 | i::Handle<i::JSWeakMap>::cast(i::Object::GetProperty( |
| 369 | i_isolate, observation_state, "callbackInfoMap").ToHandleChecked()); |
| 370 | i::Handle<i::JSWeakMap> objectInfoMap = |
| 371 | i::Handle<i::JSWeakMap>::cast(i::Object::GetProperty( |
| 372 | i_isolate, observation_state, "objectInfoMap").ToHandleChecked()); |
| 373 | i::Handle<i::JSWeakMap> notifierObjectInfoMap = |
| 374 | i::Handle<i::JSWeakMap>::cast(i::Object::GetProperty( |
| 375 | i_isolate, observation_state, "notifierObjectInfoMap") |
| 376 | .ToHandleChecked()); |
| 377 | CHECK_EQ(1, NumberOfElements(callbackInfoMap)); |
| 378 | CHECK_EQ(1, NumberOfElements(objectInfoMap)); |
| 379 | CHECK_EQ(1, NumberOfElements(notifierObjectInfoMap)); |
| 380 | i_isolate->heap()->CollectAllGarbage(i::Heap::kAbortIncrementalMarkingMask); |
| 381 | CHECK_EQ(0, NumberOfElements(callbackInfoMap)); |
| 382 | CHECK_EQ(0, NumberOfElements(objectInfoMap)); |
| 383 | CHECK_EQ(0, NumberOfElements(notifierObjectInfoMap)); |
| 384 | } |
| 385 | |
| 386 | |
| 387 | static int TestObserveSecurity(Handle<Context> observer_context, |
| 388 | Handle<Context> object_context, |
| 389 | Handle<Context> mutation_context) { |
| 390 | Context::Scope observer_scope(observer_context); |
| 391 | CompileRun("var records = null;" |
| 392 | "var observer = function(r) { records = r };"); |
| 393 | Handle<Value> observer = CompileRun("observer"); |
| 394 | { |
| 395 | Context::Scope object_scope(object_context); |
| 396 | object_context->Global()->Set( |
| 397 | String::NewFromUtf8(CcTest::isolate(), "observer"), observer); |
| 398 | CompileRun("var obj = {};" |
| 399 | "obj.length = 0;" |
| 400 | "Object.observe(obj, observer," |
| 401 | "['add', 'update', 'delete','reconfigure','splice']" |
| 402 | ");"); |
| 403 | Handle<Value> obj = CompileRun("obj"); |
| 404 | { |
| 405 | Context::Scope mutation_scope(mutation_context); |
| 406 | mutation_context->Global()->Set( |
| 407 | String::NewFromUtf8(CcTest::isolate(), "obj"), obj); |
| 408 | CompileRun("obj.foo = 'bar';" |
| 409 | "obj.foo = 'baz';" |
| 410 | "delete obj.foo;" |
| 411 | "Object.defineProperty(obj, 'bar', {value: 'bot'});" |
| 412 | "Array.prototype.push.call(obj, 1, 2, 3);" |
| 413 | "Array.prototype.splice.call(obj, 1, 2, 2, 4);" |
| 414 | "Array.prototype.pop.call(obj);" |
| 415 | "Array.prototype.shift.call(obj);"); |
| 416 | } |
| 417 | } |
| 418 | return CompileRun("records ? records.length : 0")->Int32Value(); |
| 419 | } |
| 420 | |
| 421 | |
| 422 | TEST(ObserverSecurityAAA) { |
| 423 | v8::Isolate* isolate = CcTest::isolate(); |
| 424 | v8::HandleScope scope(isolate); |
| 425 | v8::Local<Context> contextA = Context::New(isolate); |
| 426 | CHECK_EQ(8, TestObserveSecurity(contextA, contextA, contextA)); |
| 427 | } |
| 428 | |
| 429 | |
| 430 | TEST(ObserverSecurityA1A2A3) { |
| 431 | v8::Isolate* isolate = CcTest::isolate(); |
| 432 | v8::HandleScope scope(isolate); |
| 433 | |
| 434 | v8::Local<Context> contextA1 = Context::New(isolate); |
| 435 | v8::Local<Context> contextA2 = Context::New(isolate); |
| 436 | v8::Local<Context> contextA3 = Context::New(isolate); |
| 437 | |
| 438 | Local<Value> foo = v8_str("foo"); |
| 439 | contextA1->SetSecurityToken(foo); |
| 440 | contextA2->SetSecurityToken(foo); |
| 441 | contextA3->SetSecurityToken(foo); |
| 442 | |
| 443 | CHECK_EQ(8, TestObserveSecurity(contextA1, contextA2, contextA3)); |
| 444 | } |
| 445 | |
| 446 | |
| 447 | TEST(ObserverSecurityAAB) { |
| 448 | v8::Isolate* isolate = CcTest::isolate(); |
| 449 | v8::HandleScope scope(isolate); |
| 450 | v8::Local<Context> contextA = Context::New(isolate); |
| 451 | v8::Local<Context> contextB = Context::New(isolate); |
| 452 | CHECK_EQ(0, TestObserveSecurity(contextA, contextA, contextB)); |
| 453 | } |
| 454 | |
| 455 | |
| 456 | TEST(ObserverSecurityA1A2B) { |
| 457 | v8::Isolate* isolate = CcTest::isolate(); |
| 458 | v8::HandleScope scope(isolate); |
| 459 | |
| 460 | v8::Local<Context> contextA1 = Context::New(isolate); |
| 461 | v8::Local<Context> contextA2 = Context::New(isolate); |
| 462 | v8::Local<Context> contextB = Context::New(isolate); |
| 463 | |
| 464 | Local<Value> foo = v8_str("foo"); |
| 465 | contextA1->SetSecurityToken(foo); |
| 466 | contextA2->SetSecurityToken(foo); |
| 467 | |
| 468 | CHECK_EQ(0, TestObserveSecurity(contextA1, contextA2, contextB)); |
| 469 | } |
| 470 | |
| 471 | |
| 472 | TEST(ObserverSecurityABA) { |
| 473 | v8::Isolate* isolate = CcTest::isolate(); |
| 474 | v8::HandleScope scope(isolate); |
| 475 | v8::Local<Context> contextA = Context::New(isolate); |
| 476 | v8::Local<Context> contextB = Context::New(isolate); |
| 477 | CHECK_EQ(0, TestObserveSecurity(contextA, contextB, contextA)); |
| 478 | } |
| 479 | |
| 480 | |
| 481 | TEST(ObserverSecurityA1BA2) { |
| 482 | v8::Isolate* isolate = CcTest::isolate(); |
| 483 | v8::HandleScope scope(isolate); |
| 484 | v8::Local<Context> contextA1 = Context::New(isolate); |
| 485 | v8::Local<Context> contextA2 = Context::New(isolate); |
| 486 | v8::Local<Context> contextB = Context::New(isolate); |
| 487 | |
| 488 | Local<Value> foo = v8_str("foo"); |
| 489 | contextA1->SetSecurityToken(foo); |
| 490 | contextA2->SetSecurityToken(foo); |
| 491 | |
| 492 | CHECK_EQ(0, TestObserveSecurity(contextA1, contextB, contextA2)); |
| 493 | } |
| 494 | |
| 495 | |
| 496 | TEST(ObserverSecurityBAA) { |
| 497 | v8::Isolate* isolate = CcTest::isolate(); |
| 498 | v8::HandleScope scope(isolate); |
| 499 | v8::Local<Context> contextA = Context::New(isolate); |
| 500 | v8::Local<Context> contextB = Context::New(isolate); |
| 501 | CHECK_EQ(0, TestObserveSecurity(contextB, contextA, contextA)); |
| 502 | } |
| 503 | |
| 504 | |
| 505 | TEST(ObserverSecurityBA1A2) { |
| 506 | v8::Isolate* isolate = CcTest::isolate(); |
| 507 | v8::HandleScope scope(isolate); |
| 508 | v8::Local<Context> contextA1 = Context::New(isolate); |
| 509 | v8::Local<Context> contextA2 = Context::New(isolate); |
| 510 | v8::Local<Context> contextB = Context::New(isolate); |
| 511 | |
| 512 | Local<Value> foo = v8_str("foo"); |
| 513 | contextA1->SetSecurityToken(foo); |
| 514 | contextA2->SetSecurityToken(foo); |
| 515 | |
| 516 | CHECK_EQ(0, TestObserveSecurity(contextB, contextA1, contextA2)); |
| 517 | } |
| 518 | |
| 519 | |
| 520 | TEST(ObserverSecurityNotify) { |
| 521 | v8::Isolate* isolate = CcTest::isolate(); |
| 522 | v8::HandleScope scope(isolate); |
| 523 | v8::Local<Context> contextA = Context::New(isolate); |
| 524 | v8::Local<Context> contextB = Context::New(isolate); |
| 525 | |
| 526 | Context::Scope scopeA(contextA); |
| 527 | CompileRun("var obj = {};" |
| 528 | "var recordsA = null;" |
| 529 | "var observerA = function(r) { recordsA = r };" |
| 530 | "Object.observe(obj, observerA);"); |
| 531 | Handle<Value> obj = CompileRun("obj"); |
| 532 | |
| 533 | { |
| 534 | Context::Scope scopeB(contextB); |
| 535 | contextB->Global()->Set(String::NewFromUtf8(CcTest::isolate(), "obj"), obj); |
| 536 | CompileRun("var recordsB = null;" |
| 537 | "var observerB = function(r) { recordsB = r };" |
| 538 | "Object.observe(obj, observerB);"); |
| 539 | } |
| 540 | |
| 541 | CompileRun("var notifier = Object.getNotifier(obj);" |
| 542 | "notifier.notify({ type: 'update' });"); |
| 543 | CHECK_EQ(1, CompileRun("recordsA ? recordsA.length : 0")->Int32Value()); |
| 544 | |
| 545 | { |
| 546 | Context::Scope scopeB(contextB); |
| 547 | CHECK_EQ(0, CompileRun("recordsB ? recordsB.length : 0")->Int32Value()); |
| 548 | } |
| 549 | } |
| 550 | |
| 551 | |
| 552 | TEST(HiddenPropertiesLeakage) { |
| 553 | HandleScope scope(CcTest::isolate()); |
| 554 | LocalContext context(CcTest::isolate()); |
| 555 | CompileRun("var obj = {};" |
| 556 | "var records = null;" |
| 557 | "var observer = function(r) { records = r };" |
| 558 | "Object.observe(obj, observer);"); |
| 559 | Handle<Value> obj = |
| 560 | context->Global()->Get(String::NewFromUtf8(CcTest::isolate(), "obj")); |
| 561 | Handle<Object>::Cast(obj) |
| 562 | ->SetHiddenValue(String::NewFromUtf8(CcTest::isolate(), "foo"), |
| 563 | Null(CcTest::isolate())); |
| 564 | CompileRun(""); // trigger delivery |
| 565 | CHECK(CompileRun("records")->IsNull()); |
| 566 | } |
| 567 | |
| 568 | |
| 569 | TEST(GetNotifierFromOtherContext) { |
| 570 | HandleScope scope(CcTest::isolate()); |
| 571 | LocalContext context(CcTest::isolate()); |
| 572 | CompileRun("var obj = {};"); |
| 573 | Handle<Value> instance = CompileRun("obj"); |
| 574 | { |
| 575 | LocalContext context2(CcTest::isolate()); |
| 576 | context2->Global()->Set(String::NewFromUtf8(CcTest::isolate(), "obj"), |
| 577 | instance); |
| 578 | CHECK(CompileRun("Object.getNotifier(obj)")->IsNull()); |
| 579 | } |
| 580 | } |
| 581 | |
| 582 | |
| 583 | TEST(GetNotifierFromOtherOrigin) { |
| 584 | HandleScope scope(CcTest::isolate()); |
| 585 | Handle<Value> foo = String::NewFromUtf8(CcTest::isolate(), "foo"); |
| 586 | Handle<Value> bar = String::NewFromUtf8(CcTest::isolate(), "bar"); |
| 587 | LocalContext context(CcTest::isolate()); |
| 588 | context->SetSecurityToken(foo); |
| 589 | CompileRun("var obj = {};"); |
| 590 | Handle<Value> instance = CompileRun("obj"); |
| 591 | { |
| 592 | LocalContext context2(CcTest::isolate()); |
| 593 | context2->SetSecurityToken(bar); |
| 594 | context2->Global()->Set(String::NewFromUtf8(CcTest::isolate(), "obj"), |
| 595 | instance); |
| 596 | CHECK(CompileRun("Object.getNotifier(obj)")->IsNull()); |
| 597 | } |
| 598 | } |
| 599 | |
| 600 | |
| 601 | TEST(GetNotifierFromSameOrigin) { |
| 602 | HandleScope scope(CcTest::isolate()); |
| 603 | Handle<Value> foo = String::NewFromUtf8(CcTest::isolate(), "foo"); |
| 604 | LocalContext context(CcTest::isolate()); |
| 605 | context->SetSecurityToken(foo); |
| 606 | CompileRun("var obj = {};"); |
| 607 | Handle<Value> instance = CompileRun("obj"); |
| 608 | { |
| 609 | LocalContext context2(CcTest::isolate()); |
| 610 | context2->SetSecurityToken(foo); |
| 611 | context2->Global()->Set(String::NewFromUtf8(CcTest::isolate(), "obj"), |
| 612 | instance); |
| 613 | CHECK(CompileRun("Object.getNotifier(obj)")->IsObject()); |
| 614 | } |
| 615 | } |
| 616 | |
| 617 | |
| 618 | static int GetGlobalObjectsCount() { |
| 619 | int count = 0; |
| 620 | i::HeapIterator it(CcTest::heap()); |
| 621 | for (i::HeapObject* object = it.next(); object != NULL; object = it.next()) |
| 622 | if (object->IsJSGlobalObject()) count++; |
| 623 | return count; |
| 624 | } |
| 625 | |
| 626 | |
| 627 | static void CheckSurvivingGlobalObjectsCount(int expected) { |
| 628 | // We need to collect all garbage twice to be sure that everything |
| 629 | // has been collected. This is because inline caches are cleared in |
| 630 | // the first garbage collection but some of the maps have already |
| 631 | // been marked at that point. Therefore some of the maps are not |
| 632 | // collected until the second garbage collection. |
| 633 | CcTest::heap()->CollectAllGarbage(i::Heap::kNoGCFlags); |
| 634 | CcTest::heap()->CollectAllGarbage(i::Heap::kMakeHeapIterableMask); |
| 635 | int count = GetGlobalObjectsCount(); |
| 636 | #ifdef DEBUG |
| 637 | if (count != expected) CcTest::heap()->TracePathToGlobal(); |
| 638 | #endif |
| 639 | CHECK_EQ(expected, count); |
| 640 | } |
| 641 | |
| 642 | |
| 643 | TEST(DontLeakContextOnObserve) { |
| 644 | HandleScope scope(CcTest::isolate()); |
| 645 | Handle<Value> foo = String::NewFromUtf8(CcTest::isolate(), "foo"); |
| 646 | LocalContext context(CcTest::isolate()); |
| 647 | context->SetSecurityToken(foo); |
| 648 | CompileRun("var obj = {};"); |
| 649 | Handle<Value> object = CompileRun("obj"); |
| 650 | { |
| 651 | HandleScope scope(CcTest::isolate()); |
| 652 | LocalContext context2(CcTest::isolate()); |
| 653 | context2->SetSecurityToken(foo); |
| 654 | context2->Global()->Set(String::NewFromUtf8(CcTest::isolate(), "obj"), |
| 655 | object); |
| 656 | CompileRun("function observer() {};" |
| 657 | "Object.observe(obj, observer, ['foo', 'bar', 'baz']);" |
| 658 | "Object.unobserve(obj, observer);"); |
| 659 | } |
| 660 | |
| 661 | CcTest::isolate()->ContextDisposedNotification(); |
| 662 | CheckSurvivingGlobalObjectsCount(1); |
| 663 | } |
| 664 | |
| 665 | |
| 666 | TEST(DontLeakContextOnGetNotifier) { |
| 667 | HandleScope scope(CcTest::isolate()); |
| 668 | Handle<Value> foo = String::NewFromUtf8(CcTest::isolate(), "foo"); |
| 669 | LocalContext context(CcTest::isolate()); |
| 670 | context->SetSecurityToken(foo); |
| 671 | CompileRun("var obj = {};"); |
| 672 | Handle<Value> object = CompileRun("obj"); |
| 673 | { |
| 674 | HandleScope scope(CcTest::isolate()); |
| 675 | LocalContext context2(CcTest::isolate()); |
| 676 | context2->SetSecurityToken(foo); |
| 677 | context2->Global()->Set(String::NewFromUtf8(CcTest::isolate(), "obj"), |
| 678 | object); |
| 679 | CompileRun("Object.getNotifier(obj);"); |
| 680 | } |
| 681 | |
| 682 | CcTest::isolate()->ContextDisposedNotification(); |
| 683 | CheckSurvivingGlobalObjectsCount(1); |
| 684 | } |
| 685 | |
| 686 | |
| 687 | TEST(DontLeakContextOnNotifierPerformChange) { |
| 688 | HandleScope scope(CcTest::isolate()); |
| 689 | Handle<Value> foo = String::NewFromUtf8(CcTest::isolate(), "foo"); |
| 690 | LocalContext context(CcTest::isolate()); |
| 691 | context->SetSecurityToken(foo); |
| 692 | CompileRun("var obj = {};"); |
| 693 | Handle<Value> object = CompileRun("obj"); |
| 694 | Handle<Value> notifier = CompileRun("Object.getNotifier(obj)"); |
| 695 | { |
| 696 | HandleScope scope(CcTest::isolate()); |
| 697 | LocalContext context2(CcTest::isolate()); |
| 698 | context2->SetSecurityToken(foo); |
| 699 | context2->Global()->Set(String::NewFromUtf8(CcTest::isolate(), "obj"), |
| 700 | object); |
| 701 | context2->Global()->Set(String::NewFromUtf8(CcTest::isolate(), "notifier"), |
| 702 | notifier); |
| 703 | CompileRun("var obj2 = {};" |
| 704 | "var notifier2 = Object.getNotifier(obj2);" |
| 705 | "notifier2.performChange.call(" |
| 706 | "notifier, 'foo', function(){})"); |
| 707 | } |
| 708 | |
| 709 | CcTest::isolate()->ContextDisposedNotification(); |
| 710 | CheckSurvivingGlobalObjectsCount(1); |
| 711 | } |