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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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| 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 FLAG_gc_interval = 0; | 117 SimulateFullSpace(HEAP->new_space()); |
| 118 SimulateFullSpace(HEAP->old_pointer_space()); |
| 118 | 119 |
| 119 // Calling Contains() should not cause GC ever. | 120 // Calling Contains() should not cause GC ever. |
| 120 CHECK(!table->Contains(*key)); | 121 CHECK(!table->Contains(*key)); |
| 121 | 122 |
| 122 // Calling Remove() should not cause GC ever. | 123 // Calling Remove() should not cause GC ever. |
| 123 CHECK(!table->Remove(*key)->IsFailure()); | 124 CHECK(!table->Remove(*key)->IsFailure()); |
| 124 | 125 |
| 125 // Calling Add() should request GC by returning a failure. | 126 // Calling Add() should request GC by returning a failure. |
| 126 CHECK(table->Add(*key)->IsRetryAfterGC()); | 127 CHECK(table->Add(*key)->IsRetryAfterGC()); |
| 127 } | 128 } |
| 128 #endif | 129 #endif |
| 129 | 130 |
| 130 | 131 |
| 131 #ifdef DEBUG | 132 #ifdef DEBUG |
| 132 TEST(ObjectHashTableCausesGC) { | 133 TEST(ObjectHashTableCausesGC) { |
| 133 v8::HandleScope scope; | 134 v8::HandleScope scope; |
| 134 LocalContext context; | 135 LocalContext context; |
| 135 Handle<ObjectHashTable> table = FACTORY->NewObjectHashTable(1); | 136 Handle<ObjectHashTable> table = FACTORY->NewObjectHashTable(1); |
| 136 Handle<JSObject> key = FACTORY->NewJSArray(0); | 137 Handle<JSObject> key = FACTORY->NewJSArray(0); |
| 137 v8::Handle<v8::Object> key_obj = v8::Utils::ToLocal(key); | 138 v8::Handle<v8::Object> key_obj = v8::Utils::ToLocal(key); |
| 138 | 139 |
| 139 // Force allocation of hash table backing store for hidden properties. | 140 // Force allocation of hash table backing store for hidden properties. |
| 140 key_obj->SetHiddenValue(v8_str("key 1"), v8_str("val 1")); | 141 key_obj->SetHiddenValue(v8_str("key 1"), v8_str("val 1")); |
| 141 key_obj->SetHiddenValue(v8_str("key 2"), v8_str("val 2")); | 142 key_obj->SetHiddenValue(v8_str("key 2"), v8_str("val 2")); |
| 142 key_obj->SetHiddenValue(v8_str("key 3"), v8_str("val 3")); | 143 key_obj->SetHiddenValue(v8_str("key 3"), v8_str("val 3")); |
| 143 | 144 |
| 144 // Simulate a full heap so that generating an identity hash code | 145 // Simulate a full heap so that generating an identity hash code |
| 145 // in subsequent calls will request GC. | 146 // in subsequent calls will request GC. |
| 146 FLAG_gc_interval = 0; | 147 SimulateFullSpace(HEAP->new_space()); |
| 148 SimulateFullSpace(HEAP->old_pointer_space()); |
| 147 | 149 |
| 148 // Calling Lookup() should not cause GC ever. | 150 // Calling Lookup() should not cause GC ever. |
| 149 CHECK(table->Lookup(*key)->IsTheHole()); | 151 CHECK(table->Lookup(*key)->IsTheHole()); |
| 150 | 152 |
| 151 // Calling Put() should request GC by returning a failure. | 153 // Calling Put() should request GC by returning a failure. |
| 152 CHECK(table->Put(*key, *key)->IsRetryAfterGC()); | 154 CHECK(table->Put(*key, *key)->IsRetryAfterGC()); |
| 153 } | 155 } |
| 154 #endif | 156 #endif |
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