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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. |
2 | 2 |
3 #include <stdlib.h> | 3 #include <stdlib.h> |
4 | 4 |
5 #include "v8.h" | 5 #include "v8.h" |
6 | 6 |
7 #include "execution.h" | 7 #include "execution.h" |
8 #include "factory.h" | 8 #include "factory.h" |
9 #include "macro-assembler.h" | 9 #include "macro-assembler.h" |
10 #include "global-handles.h" | 10 #include "global-handles.h" |
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1088 // with and without GCs while iterating the list. | 1088 // with and without GCs while iterating the list. |
1089 for (int i = 0; i < kNumTestContexts; i++) { | 1089 for (int i = 0; i < kNumTestContexts; i++) { |
1090 ctx[i] = v8::Context::New(); | 1090 ctx[i] = v8::Context::New(); |
1091 CHECK_EQ(i + 1, CountGlobalContexts()); | 1091 CHECK_EQ(i + 1, CountGlobalContexts()); |
1092 CHECK_EQ(i + 1, CountGlobalContextsWithGC(i / 2 + 1)); | 1092 CHECK_EQ(i + 1, CountGlobalContextsWithGC(i / 2 + 1)); |
1093 | 1093 |
1094 ctx[i]->Enter(); | 1094 ctx[i]->Enter(); |
1095 ctx[i]->Exit(); | 1095 ctx[i]->Exit(); |
1096 } | 1096 } |
1097 } | 1097 } |
| 1098 |
| 1099 |
| 1100 TEST(TestSizeOfObjectsVsHeapIteratorPrecision) { |
| 1101 InitializeVM(); |
| 1102 intptr_t size_of_objects_1 = Heap::SizeOfObjects(); |
| 1103 HeapIterator iterator(HeapIterator::kPreciseFiltering); |
| 1104 intptr_t size_of_objects_2 = 0; |
| 1105 for (HeapObject* obj = iterator.next(); |
| 1106 obj != NULL; |
| 1107 obj = iterator.next()) { |
| 1108 size_of_objects_2 += obj->Size(); |
| 1109 } |
| 1110 // Delta must be within 1% of the larger result. |
| 1111 if (size_of_objects_1 > size_of_objects_2) { |
| 1112 intptr_t delta = size_of_objects_1 - size_of_objects_2; |
| 1113 PrintF("Heap::SizeOfObjects: %" V8_PTR_PREFIX "d, " |
| 1114 "Iterator: %" V8_PTR_PREFIX "d, " |
| 1115 "delta: %" V8_PTR_PREFIX "d\n", |
| 1116 size_of_objects_1, size_of_objects_2, delta); |
| 1117 CHECK_GT(size_of_objects_1 / 100, delta); |
| 1118 } else { |
| 1119 intptr_t delta = size_of_objects_2 - size_of_objects_1; |
| 1120 PrintF("Heap::SizeOfObjects: %" V8_PTR_PREFIX "d, " |
| 1121 "Iterator: %" V8_PTR_PREFIX "d, " |
| 1122 "delta: %" V8_PTR_PREFIX "d\n", |
| 1123 size_of_objects_1, size_of_objects_2, delta); |
| 1124 CHECK_GT(size_of_objects_2 / 100, delta); |
| 1125 } |
| 1126 } |
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