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| 1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project authors. All rights reserved. |
| 2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
| 3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
| 4 // met: | 4 // met: |
| 5 // | 5 // |
| 6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
| 7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
| 8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
| 9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
| 10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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| 33 #include "factory.h" | 33 #include "factory.h" |
| 34 #include "macro-assembler.h" | 34 #include "macro-assembler.h" |
| 35 #include "objects.h" | 35 #include "objects.h" |
| 36 #include "global-handles.h" | 36 #include "global-handles.h" |
| 37 #include "cctest.h" | 37 #include "cctest.h" |
| 38 | 38 |
| 39 using namespace v8::internal; | 39 using namespace v8::internal; |
| 40 | 40 |
| 41 | 41 |
| 42 TEST(ObjectHashTable) { | 42 TEST(ObjectHashTable) { |
| 43 v8::HandleScope scope; | |
| 44 LocalContext context; | 43 LocalContext context; |
| 44 v8::HandleScope scope(context->GetIsolate()); |
| 45 Handle<ObjectHashTable> table = FACTORY->NewObjectHashTable(23); | 45 Handle<ObjectHashTable> table = FACTORY->NewObjectHashTable(23); |
| 46 Handle<JSObject> a = FACTORY->NewJSArray(7); | 46 Handle<JSObject> a = FACTORY->NewJSArray(7); |
| 47 Handle<JSObject> b = FACTORY->NewJSArray(11); | 47 Handle<JSObject> b = FACTORY->NewJSArray(11); |
| 48 table = PutIntoObjectHashTable(table, a, b); | 48 table = PutIntoObjectHashTable(table, a, b); |
| 49 CHECK_EQ(table->NumberOfElements(), 1); | 49 CHECK_EQ(table->NumberOfElements(), 1); |
| 50 CHECK_EQ(table->Lookup(*a), *b); | 50 CHECK_EQ(table->Lookup(*a), *b); |
| 51 CHECK_EQ(table->Lookup(*b), HEAP->the_hole_value()); | 51 CHECK_EQ(table->Lookup(*b), HEAP->the_hole_value()); |
| 52 | 52 |
| 53 // Keys still have to be valid after objects were moved. | 53 // Keys still have to be valid after objects were moved. |
| 54 HEAP->CollectGarbage(NEW_SPACE); | 54 HEAP->CollectGarbage(NEW_SPACE); |
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| 94 for (int i = 0; i < 100; i++) { | 94 for (int i = 0; i < 100; i++) { |
| 95 Handle<JSObject> key = FACTORY->NewJSArray(7); | 95 Handle<JSObject> key = FACTORY->NewJSArray(7); |
| 96 CHECK_EQ(table->Lookup(*key), HEAP->the_hole_value()); | 96 CHECK_EQ(table->Lookup(*key), HEAP->the_hole_value()); |
| 97 CHECK_EQ(key->GetIdentityHash(OMIT_CREATION), HEAP->undefined_value()); | 97 CHECK_EQ(key->GetIdentityHash(OMIT_CREATION), HEAP->undefined_value()); |
| 98 } | 98 } |
| 99 } | 99 } |
| 100 | 100 |
| 101 | 101 |
| 102 #ifdef DEBUG | 102 #ifdef DEBUG |
| 103 TEST(ObjectHashSetCausesGC) { | 103 TEST(ObjectHashSetCausesGC) { |
| 104 v8::HandleScope scope; | |
| 105 LocalContext context; | 104 LocalContext context; |
| 105 v8::HandleScope scope(context->GetIsolate()); |
| 106 Handle<ObjectHashSet> table = FACTORY->NewObjectHashSet(1); | 106 Handle<ObjectHashSet> table = FACTORY->NewObjectHashSet(1); |
| 107 Handle<JSObject> key = FACTORY->NewJSArray(0); | 107 Handle<JSObject> key = FACTORY->NewJSArray(0); |
| 108 v8::Handle<v8::Object> key_obj = v8::Utils::ToLocal(key); | 108 v8::Handle<v8::Object> key_obj = v8::Utils::ToLocal(key); |
| 109 | 109 |
| 110 // Force allocation of hash table backing store for hidden properties. | 110 // Force allocation of hash table backing store for hidden properties. |
| 111 key_obj->SetHiddenValue(v8_str("key 1"), v8_str("val 1")); | 111 key_obj->SetHiddenValue(v8_str("key 1"), v8_str("val 1")); |
| 112 key_obj->SetHiddenValue(v8_str("key 2"), v8_str("val 2")); | 112 key_obj->SetHiddenValue(v8_str("key 2"), v8_str("val 2")); |
| 113 key_obj->SetHiddenValue(v8_str("key 3"), v8_str("val 3")); | 113 key_obj->SetHiddenValue(v8_str("key 3"), v8_str("val 3")); |
| 114 | 114 |
| 115 // Simulate a full heap so that generating an identity hash code | 115 // Simulate a full heap so that generating an identity hash code |
| 116 // in subsequent calls will request GC. | 116 // in subsequent calls will request GC. |
| 117 SimulateFullSpace(HEAP->new_space()); | 117 SimulateFullSpace(HEAP->new_space()); |
| 118 SimulateFullSpace(HEAP->old_pointer_space()); | 118 SimulateFullSpace(HEAP->old_pointer_space()); |
| 119 | 119 |
| 120 // Calling Contains() should not cause GC ever. | 120 // Calling Contains() should not cause GC ever. |
| 121 CHECK(!table->Contains(*key)); | 121 CHECK(!table->Contains(*key)); |
| 122 | 122 |
| 123 // Calling Remove() should not cause GC ever. | 123 // Calling Remove() should not cause GC ever. |
| 124 CHECK(!table->Remove(*key)->IsFailure()); | 124 CHECK(!table->Remove(*key)->IsFailure()); |
| 125 | 125 |
| 126 // Calling Add() should request GC by returning a failure. | 126 // Calling Add() should request GC by returning a failure. |
| 127 CHECK(table->Add(*key)->IsRetryAfterGC()); | 127 CHECK(table->Add(*key)->IsRetryAfterGC()); |
| 128 } | 128 } |
| 129 #endif | 129 #endif |
| 130 | 130 |
| 131 | 131 |
| 132 #ifdef DEBUG | 132 #ifdef DEBUG |
| 133 TEST(ObjectHashTableCausesGC) { | 133 TEST(ObjectHashTableCausesGC) { |
| 134 v8::HandleScope scope; | |
| 135 LocalContext context; | 134 LocalContext context; |
| 135 v8::HandleScope scope(context->GetIsolate()); |
| 136 Handle<ObjectHashTable> table = FACTORY->NewObjectHashTable(1); | 136 Handle<ObjectHashTable> table = FACTORY->NewObjectHashTable(1); |
| 137 Handle<JSObject> key = FACTORY->NewJSArray(0); | 137 Handle<JSObject> key = FACTORY->NewJSArray(0); |
| 138 v8::Handle<v8::Object> key_obj = v8::Utils::ToLocal(key); | 138 v8::Handle<v8::Object> key_obj = v8::Utils::ToLocal(key); |
| 139 | 139 |
| 140 // Force allocation of hash table backing store for hidden properties. | 140 // Force allocation of hash table backing store for hidden properties. |
| 141 key_obj->SetHiddenValue(v8_str("key 1"), v8_str("val 1")); | 141 key_obj->SetHiddenValue(v8_str("key 1"), v8_str("val 1")); |
| 142 key_obj->SetHiddenValue(v8_str("key 2"), v8_str("val 2")); | 142 key_obj->SetHiddenValue(v8_str("key 2"), v8_str("val 2")); |
| 143 key_obj->SetHiddenValue(v8_str("key 3"), v8_str("val 3")); | 143 key_obj->SetHiddenValue(v8_str("key 3"), v8_str("val 3")); |
| 144 | 144 |
| 145 // Simulate a full heap so that generating an identity hash code | 145 // Simulate a full heap so that generating an identity hash code |
| 146 // in subsequent calls will request GC. | 146 // in subsequent calls will request GC. |
| 147 SimulateFullSpace(HEAP->new_space()); | 147 SimulateFullSpace(HEAP->new_space()); |
| 148 SimulateFullSpace(HEAP->old_pointer_space()); | 148 SimulateFullSpace(HEAP->old_pointer_space()); |
| 149 | 149 |
| 150 // Calling Lookup() should not cause GC ever. | 150 // Calling Lookup() should not cause GC ever. |
| 151 CHECK(table->Lookup(*key)->IsTheHole()); | 151 CHECK(table->Lookup(*key)->IsTheHole()); |
| 152 | 152 |
| 153 // Calling Put() should request GC by returning a failure. | 153 // Calling Put() should request GC by returning a failure. |
| 154 CHECK(table->Put(*key, *key)->IsRetryAfterGC()); | 154 CHECK(table->Put(*key, *key)->IsRetryAfterGC()); |
| 155 } | 155 } |
| 156 #endif | 156 #endif |
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