Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1 | // Copyright 2013 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/global-handles.h" |
| 29 | |
| 30 | #include "test/cctest/cctest.h" |
| 31 | |
| 32 | using namespace v8::internal; |
| 33 | using v8::UniqueId; |
| 34 | |
| 35 | |
| 36 | static List<Object*> skippable_objects; |
| 37 | static List<Object*> can_skip_called_objects; |
| 38 | |
| 39 | |
| 40 | static bool CanSkipCallback(Heap* heap, Object** pointer) { |
| 41 | can_skip_called_objects.Add(*pointer); |
| 42 | return skippable_objects.Contains(*pointer); |
| 43 | } |
| 44 | |
| 45 | |
| 46 | static void ResetCanSkipData() { |
| 47 | skippable_objects.Clear(); |
| 48 | can_skip_called_objects.Clear(); |
| 49 | } |
| 50 | |
| 51 | |
| 52 | class TestRetainedObjectInfo : public v8::RetainedObjectInfo { |
| 53 | public: |
| 54 | TestRetainedObjectInfo() : has_been_disposed_(false) {} |
| 55 | |
| 56 | bool has_been_disposed() { return has_been_disposed_; } |
| 57 | |
| 58 | virtual void Dispose() { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 59 | CHECK(!has_been_disposed_); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 60 | has_been_disposed_ = true; |
| 61 | } |
| 62 | |
| 63 | virtual bool IsEquivalent(v8::RetainedObjectInfo* other) { |
| 64 | return other == this; |
| 65 | } |
| 66 | |
| 67 | virtual intptr_t GetHash() { return 0; } |
| 68 | |
| 69 | virtual const char* GetLabel() { return "whatever"; } |
| 70 | |
| 71 | private: |
| 72 | bool has_been_disposed_; |
| 73 | }; |
| 74 | |
| 75 | |
| 76 | class TestObjectVisitor : public ObjectVisitor { |
| 77 | public: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 78 | void VisitPointers(Object** start, Object** end) override { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 79 | for (Object** o = start; o != end; ++o) |
| 80 | visited.Add(*o); |
| 81 | } |
| 82 | |
| 83 | List<Object*> visited; |
| 84 | }; |
| 85 | |
| 86 | |
| 87 | TEST(IterateObjectGroupsOldApi) { |
| 88 | CcTest::InitializeVM(); |
| 89 | Isolate* isolate = CcTest::i_isolate(); |
| 90 | GlobalHandles* global_handles = isolate->global_handles(); |
| 91 | v8::HandleScope handle_scope(CcTest::isolate()); |
| 92 | |
| 93 | Handle<Object> g1s1 = |
| 94 | global_handles->Create(*isolate->factory()->NewFixedArray(1)); |
| 95 | Handle<Object> g1s2 = |
| 96 | global_handles->Create(*isolate->factory()->NewFixedArray(1)); |
| 97 | |
| 98 | Handle<Object> g2s1 = |
| 99 | global_handles->Create(*isolate->factory()->NewFixedArray(1)); |
| 100 | Handle<Object> g2s2 = |
| 101 | global_handles->Create(*isolate->factory()->NewFixedArray(1)); |
| 102 | |
| 103 | TestRetainedObjectInfo info1; |
| 104 | TestRetainedObjectInfo info2; |
| 105 | { |
| 106 | Object** g1_objects[] = { g1s1.location(), g1s2.location() }; |
| 107 | Object** g2_objects[] = { g2s1.location(), g2s2.location() }; |
| 108 | |
| 109 | global_handles->AddObjectGroup(g1_objects, 2, &info1); |
| 110 | global_handles->AddObjectGroup(g2_objects, 2, &info2); |
| 111 | } |
| 112 | |
| 113 | // Iterate the object groups. First skip all. |
| 114 | { |
| 115 | ResetCanSkipData(); |
| 116 | skippable_objects.Add(*g1s1.location()); |
| 117 | skippable_objects.Add(*g1s2.location()); |
| 118 | skippable_objects.Add(*g2s1.location()); |
| 119 | skippable_objects.Add(*g2s2.location()); |
| 120 | TestObjectVisitor visitor; |
| 121 | global_handles->IterateObjectGroups(&visitor, &CanSkipCallback); |
| 122 | |
| 123 | // CanSkipCallback was called for all objects. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 124 | CHECK(can_skip_called_objects.length() == 4); |
| 125 | CHECK(can_skip_called_objects.Contains(*g1s1.location())); |
| 126 | CHECK(can_skip_called_objects.Contains(*g1s2.location())); |
| 127 | CHECK(can_skip_called_objects.Contains(*g2s1.location())); |
| 128 | CHECK(can_skip_called_objects.Contains(*g2s2.location())); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 129 | |
| 130 | // Nothing was visited. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 131 | CHECK(visitor.visited.length() == 0); |
| 132 | CHECK(!info1.has_been_disposed()); |
| 133 | CHECK(!info2.has_been_disposed()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 134 | } |
| 135 | |
| 136 | // Iterate again, now only skip the second object group. |
| 137 | { |
| 138 | ResetCanSkipData(); |
| 139 | // The first grough should still be visited, since only one object is |
| 140 | // skipped. |
| 141 | skippable_objects.Add(*g1s1.location()); |
| 142 | skippable_objects.Add(*g2s1.location()); |
| 143 | skippable_objects.Add(*g2s2.location()); |
| 144 | TestObjectVisitor visitor; |
| 145 | global_handles->IterateObjectGroups(&visitor, &CanSkipCallback); |
| 146 | |
| 147 | // CanSkipCallback was called for all objects. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 148 | CHECK(can_skip_called_objects.length() == 3 || |
| 149 | can_skip_called_objects.length() == 4); |
| 150 | CHECK(can_skip_called_objects.Contains(*g1s2.location())); |
| 151 | CHECK(can_skip_called_objects.Contains(*g2s1.location())); |
| 152 | CHECK(can_skip_called_objects.Contains(*g2s2.location())); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 153 | |
| 154 | // The first group was visited. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 155 | CHECK(visitor.visited.length() == 2); |
| 156 | CHECK(visitor.visited.Contains(*g1s1.location())); |
| 157 | CHECK(visitor.visited.Contains(*g1s2.location())); |
| 158 | CHECK(info1.has_been_disposed()); |
| 159 | CHECK(!info2.has_been_disposed()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 160 | } |
| 161 | |
| 162 | // Iterate again, don't skip anything. |
| 163 | { |
| 164 | ResetCanSkipData(); |
| 165 | TestObjectVisitor visitor; |
| 166 | global_handles->IterateObjectGroups(&visitor, &CanSkipCallback); |
| 167 | |
| 168 | // CanSkipCallback was called for all objects. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 169 | CHECK(can_skip_called_objects.length() == 1); |
| 170 | CHECK(can_skip_called_objects.Contains(*g2s1.location()) || |
| 171 | can_skip_called_objects.Contains(*g2s2.location())); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 172 | |
| 173 | // The second group was visited. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 174 | CHECK(visitor.visited.length() == 2); |
| 175 | CHECK(visitor.visited.Contains(*g2s1.location())); |
| 176 | CHECK(visitor.visited.Contains(*g2s2.location())); |
| 177 | CHECK(info2.has_been_disposed()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 178 | } |
| 179 | } |
| 180 | |
| 181 | |
| 182 | TEST(IterateObjectGroups) { |
| 183 | CcTest::InitializeVM(); |
| 184 | Isolate* isolate = CcTest::i_isolate(); |
| 185 | GlobalHandles* global_handles = isolate->global_handles(); |
| 186 | |
| 187 | v8::HandleScope handle_scope(CcTest::isolate()); |
| 188 | |
| 189 | Handle<Object> g1s1 = |
| 190 | global_handles->Create(*isolate->factory()->NewFixedArray(1)); |
| 191 | Handle<Object> g1s2 = |
| 192 | global_handles->Create(*isolate->factory()->NewFixedArray(1)); |
| 193 | |
| 194 | Handle<Object> g2s1 = |
| 195 | global_handles->Create(*isolate->factory()->NewFixedArray(1)); |
| 196 | Handle<Object> g2s2 = |
| 197 | global_handles->Create(*isolate->factory()->NewFixedArray(1)); |
| 198 | |
| 199 | TestRetainedObjectInfo info1; |
| 200 | TestRetainedObjectInfo info2; |
| 201 | global_handles->SetObjectGroupId(g2s1.location(), UniqueId(2)); |
| 202 | global_handles->SetObjectGroupId(g2s2.location(), UniqueId(2)); |
| 203 | global_handles->SetRetainedObjectInfo(UniqueId(2), &info2); |
| 204 | global_handles->SetObjectGroupId(g1s1.location(), UniqueId(1)); |
| 205 | global_handles->SetObjectGroupId(g1s2.location(), UniqueId(1)); |
| 206 | global_handles->SetRetainedObjectInfo(UniqueId(1), &info1); |
| 207 | |
| 208 | // Iterate the object groups. First skip all. |
| 209 | { |
| 210 | ResetCanSkipData(); |
| 211 | skippable_objects.Add(*g1s1.location()); |
| 212 | skippable_objects.Add(*g1s2.location()); |
| 213 | skippable_objects.Add(*g2s1.location()); |
| 214 | skippable_objects.Add(*g2s2.location()); |
| 215 | TestObjectVisitor visitor; |
| 216 | global_handles->IterateObjectGroups(&visitor, &CanSkipCallback); |
| 217 | |
| 218 | // CanSkipCallback was called for all objects. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 219 | CHECK(can_skip_called_objects.length() == 4); |
| 220 | CHECK(can_skip_called_objects.Contains(*g1s1.location())); |
| 221 | CHECK(can_skip_called_objects.Contains(*g1s2.location())); |
| 222 | CHECK(can_skip_called_objects.Contains(*g2s1.location())); |
| 223 | CHECK(can_skip_called_objects.Contains(*g2s2.location())); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 224 | |
| 225 | // Nothing was visited. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 226 | CHECK(visitor.visited.length() == 0); |
| 227 | CHECK(!info1.has_been_disposed()); |
| 228 | CHECK(!info2.has_been_disposed()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 229 | } |
| 230 | |
| 231 | // Iterate again, now only skip the second object group. |
| 232 | { |
| 233 | ResetCanSkipData(); |
| 234 | // The first grough should still be visited, since only one object is |
| 235 | // skipped. |
| 236 | skippable_objects.Add(*g1s1.location()); |
| 237 | skippable_objects.Add(*g2s1.location()); |
| 238 | skippable_objects.Add(*g2s2.location()); |
| 239 | TestObjectVisitor visitor; |
| 240 | global_handles->IterateObjectGroups(&visitor, &CanSkipCallback); |
| 241 | |
| 242 | // CanSkipCallback was called for all objects. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 243 | CHECK(can_skip_called_objects.length() == 3 || |
| 244 | can_skip_called_objects.length() == 4); |
| 245 | CHECK(can_skip_called_objects.Contains(*g1s2.location())); |
| 246 | CHECK(can_skip_called_objects.Contains(*g2s1.location())); |
| 247 | CHECK(can_skip_called_objects.Contains(*g2s2.location())); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 248 | |
| 249 | // The first group was visited. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 250 | CHECK(visitor.visited.length() == 2); |
| 251 | CHECK(visitor.visited.Contains(*g1s1.location())); |
| 252 | CHECK(visitor.visited.Contains(*g1s2.location())); |
| 253 | CHECK(info1.has_been_disposed()); |
| 254 | CHECK(!info2.has_been_disposed()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 255 | } |
| 256 | |
| 257 | // Iterate again, don't skip anything. |
| 258 | { |
| 259 | ResetCanSkipData(); |
| 260 | TestObjectVisitor visitor; |
| 261 | global_handles->IterateObjectGroups(&visitor, &CanSkipCallback); |
| 262 | |
| 263 | // CanSkipCallback was called for all objects. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 264 | CHECK(can_skip_called_objects.length() == 1); |
| 265 | CHECK(can_skip_called_objects.Contains(*g2s1.location()) || |
| 266 | can_skip_called_objects.Contains(*g2s2.location())); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 267 | |
| 268 | // The second group was visited. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 269 | CHECK(visitor.visited.length() == 2); |
| 270 | CHECK(visitor.visited.Contains(*g2s1.location())); |
| 271 | CHECK(visitor.visited.Contains(*g2s2.location())); |
| 272 | CHECK(info2.has_been_disposed()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 273 | } |
| 274 | } |
| 275 | |
| 276 | |
| 277 | TEST(ImplicitReferences) { |
| 278 | CcTest::InitializeVM(); |
| 279 | Isolate* isolate = CcTest::i_isolate(); |
| 280 | GlobalHandles* global_handles = isolate->global_handles(); |
| 281 | |
| 282 | v8::HandleScope handle_scope(CcTest::isolate()); |
| 283 | |
| 284 | Handle<Object> g1s1 = |
| 285 | global_handles->Create(*isolate->factory()->NewFixedArray(1)); |
| 286 | Handle<Object> g1c1 = |
| 287 | global_handles->Create(*isolate->factory()->NewFixedArray(1)); |
| 288 | Handle<Object> g1c2 = |
| 289 | global_handles->Create(*isolate->factory()->NewFixedArray(1)); |
| 290 | |
| 291 | |
| 292 | Handle<Object> g2s1 = |
| 293 | global_handles->Create(*isolate->factory()->NewFixedArray(1)); |
| 294 | Handle<Object> g2s2 = |
| 295 | global_handles->Create(*isolate->factory()->NewFixedArray(1)); |
| 296 | Handle<Object> g2c1 = |
| 297 | global_handles->Create(*isolate->factory()->NewFixedArray(1)); |
| 298 | |
| 299 | global_handles->SetObjectGroupId(g1s1.location(), UniqueId(1)); |
| 300 | global_handles->SetObjectGroupId(g2s1.location(), UniqueId(2)); |
| 301 | global_handles->SetObjectGroupId(g2s2.location(), UniqueId(2)); |
| 302 | global_handles->SetReferenceFromGroup(UniqueId(1), g1c1.location()); |
| 303 | global_handles->SetReferenceFromGroup(UniqueId(1), g1c2.location()); |
| 304 | global_handles->SetReferenceFromGroup(UniqueId(2), g2c1.location()); |
| 305 | |
| 306 | List<ImplicitRefGroup*>* implicit_refs = |
| 307 | global_handles->implicit_ref_groups(); |
| 308 | USE(implicit_refs); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 309 | CHECK(implicit_refs->length() == 2); |
| 310 | CHECK(implicit_refs->at(0)->parent == |
| 311 | reinterpret_cast<HeapObject**>(g1s1.location())); |
| 312 | CHECK(implicit_refs->at(0)->length == 2); |
| 313 | CHECK(implicit_refs->at(0)->children[0] == g1c1.location()); |
| 314 | CHECK(implicit_refs->at(0)->children[1] == g1c2.location()); |
| 315 | CHECK(implicit_refs->at(1)->parent == |
| 316 | reinterpret_cast<HeapObject**>(g2s1.location())); |
| 317 | CHECK(implicit_refs->at(1)->length == 1); |
| 318 | CHECK(implicit_refs->at(1)->children[0] == g2c1.location()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 319 | global_handles->RemoveObjectGroups(); |
| 320 | global_handles->RemoveImplicitRefGroups(); |
| 321 | } |
| 322 | |
| 323 | |
| 324 | TEST(EternalHandles) { |
| 325 | CcTest::InitializeVM(); |
| 326 | Isolate* isolate = CcTest::i_isolate(); |
| 327 | v8::Isolate* v8_isolate = reinterpret_cast<v8::Isolate*>(isolate); |
| 328 | EternalHandles* eternal_handles = isolate->eternal_handles(); |
| 329 | |
| 330 | // Create a number of handles that will not be on a block boundary |
| 331 | const int kArrayLength = 2048-1; |
| 332 | int indices[kArrayLength]; |
| 333 | v8::Eternal<v8::Value> eternals[kArrayLength]; |
| 334 | |
| 335 | CHECK_EQ(0, eternal_handles->NumberOfHandles()); |
| 336 | for (int i = 0; i < kArrayLength; i++) { |
| 337 | indices[i] = -1; |
| 338 | HandleScope scope(isolate); |
| 339 | v8::Local<v8::Object> object = v8::Object::New(v8_isolate); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 340 | object->Set(v8_isolate->GetCurrentContext(), i, |
| 341 | v8::Integer::New(v8_isolate, i)) |
| 342 | .FromJust(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 343 | // Create with internal api |
| 344 | eternal_handles->Create( |
| 345 | isolate, *v8::Utils::OpenHandle(*object), &indices[i]); |
| 346 | // Create with external api |
| 347 | CHECK(eternals[i].IsEmpty()); |
| 348 | eternals[i].Set(v8_isolate, object); |
| 349 | CHECK(!eternals[i].IsEmpty()); |
| 350 | } |
| 351 | |
| 352 | isolate->heap()->CollectAllAvailableGarbage(); |
| 353 | |
| 354 | for (int i = 0; i < kArrayLength; i++) { |
| 355 | for (int j = 0; j < 2; j++) { |
| 356 | HandleScope scope(isolate); |
| 357 | v8::Local<v8::Value> local; |
| 358 | if (j == 0) { |
| 359 | // Test internal api |
| 360 | local = v8::Utils::ToLocal(eternal_handles->Get(indices[i])); |
| 361 | } else { |
| 362 | // Test external api |
| 363 | local = eternals[i].Get(v8_isolate); |
| 364 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 365 | v8::Local<v8::Object> object = v8::Local<v8::Object>::Cast(local); |
| 366 | v8::Local<v8::Value> value = |
| 367 | object->Get(v8_isolate->GetCurrentContext(), i).ToLocalChecked(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 368 | CHECK(value->IsInt32()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 369 | CHECK_EQ(i, |
| 370 | value->Int32Value(v8_isolate->GetCurrentContext()).FromJust()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 371 | } |
| 372 | } |
| 373 | |
| 374 | CHECK_EQ(2*kArrayLength, eternal_handles->NumberOfHandles()); |
| 375 | |
| 376 | // Create an eternal via the constructor |
| 377 | { |
| 378 | HandleScope scope(isolate); |
| 379 | v8::Local<v8::Object> object = v8::Object::New(v8_isolate); |
| 380 | v8::Eternal<v8::Object> eternal(v8_isolate, object); |
| 381 | CHECK(!eternal.IsEmpty()); |
| 382 | CHECK(object == eternal.Get(v8_isolate)); |
| 383 | } |
| 384 | |
| 385 | CHECK_EQ(2*kArrayLength + 1, eternal_handles->NumberOfHandles()); |
| 386 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 387 | |
| 388 | |
| 389 | TEST(PersistentBaseGetLocal) { |
| 390 | CcTest::InitializeVM(); |
| 391 | v8::Isolate* isolate = CcTest::isolate(); |
| 392 | |
| 393 | v8::HandleScope scope(isolate); |
| 394 | v8::Local<v8::Object> o = v8::Object::New(isolate); |
| 395 | CHECK(!o.IsEmpty()); |
| 396 | v8::Persistent<v8::Object> p(isolate, o); |
| 397 | CHECK(o == p.Get(isolate)); |
| 398 | CHECK(v8::Local<v8::Object>::New(isolate, p) == p.Get(isolate)); |
| 399 | |
| 400 | v8::Global<v8::Object> g(isolate, o); |
| 401 | CHECK(o == g.Get(isolate)); |
| 402 | CHECK(v8::Local<v8::Object>::New(isolate, g) == g.Get(isolate)); |
| 403 | } |
| 404 | |
| 405 | |
| 406 | void WeakCallback(const v8::WeakCallbackInfo<void>& data) {} |
| 407 | |
| 408 | |
| 409 | TEST(WeakPersistentSmi) { |
| 410 | CcTest::InitializeVM(); |
| 411 | v8::Isolate* isolate = CcTest::isolate(); |
| 412 | |
| 413 | v8::HandleScope scope(isolate); |
| 414 | v8::Local<v8::Number> n = v8::Number::New(isolate, 0); |
| 415 | v8::Global<v8::Number> g(isolate, n); |
| 416 | |
| 417 | // Should not crash. |
| 418 | g.SetWeak<void>(nullptr, &WeakCallback, v8::WeakCallbackType::kParameter); |
| 419 | } |