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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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69 CHECK_EQ(table->NumberOfElements(), 0); | 69 CHECK_EQ(table->NumberOfElements(), 0); |
70 CHECK_EQ(table->Lookup(a), CcTest::heap()->the_hole_value()); | 70 CHECK_EQ(table->Lookup(a), CcTest::heap()->the_hole_value()); |
71 | 71 |
72 // Keys should map back to their respective values and also should get | 72 // Keys should map back to their respective values and also should get |
73 // an identity hash code generated. | 73 // an identity hash code generated. |
74 for (int i = 0; i < 100; i++) { | 74 for (int i = 0; i < 100; i++) { |
75 Handle<JSReceiver> key = factory->NewJSArray(7); | 75 Handle<JSReceiver> key = factory->NewJSArray(7); |
76 Handle<JSObject> value = factory->NewJSArray(11); | 76 Handle<JSObject> value = factory->NewJSArray(11); |
77 table = HashMap::Put(table, key, value); | 77 table = HashMap::Put(table, key, value); |
78 CHECK_EQ(table->NumberOfElements(), i + 1); | 78 CHECK_EQ(table->NumberOfElements(), i + 1); |
79 CHECK_NE(table->FindEntry(*key), HashMap::kNotFound); | 79 CHECK_NE(table->FindEntry(key), HashMap::kNotFound); |
80 CHECK_EQ(table->Lookup(key), *value); | 80 CHECK_EQ(table->Lookup(key), *value); |
81 CHECK(key->GetIdentityHash()->IsSmi()); | 81 CHECK(key->GetIdentityHash()->IsSmi()); |
82 } | 82 } |
83 | 83 |
84 // Keys never added to the map which already have an identity hash | 84 // Keys never added to the map which already have an identity hash |
85 // code should not be found. | 85 // code should not be found. |
86 for (int i = 0; i < 100; i++) { | 86 for (int i = 0; i < 100; i++) { |
87 Handle<JSReceiver> key = factory->NewJSArray(7); | 87 Handle<JSReceiver> key = factory->NewJSArray(7); |
88 CHECK(JSReceiver::GetOrCreateIdentityHash(key)->IsSmi()); | 88 CHECK(JSReceiver::GetOrCreateIdentityHash(key)->IsSmi()); |
89 CHECK_EQ(table->FindEntry(*key), HashMap::kNotFound); | 89 CHECK_EQ(table->FindEntry(key), HashMap::kNotFound); |
90 CHECK_EQ(table->Lookup(key), CcTest::heap()->the_hole_value()); | 90 CHECK_EQ(table->Lookup(key), CcTest::heap()->the_hole_value()); |
91 CHECK(key->GetIdentityHash()->IsSmi()); | 91 CHECK(key->GetIdentityHash()->IsSmi()); |
92 } | 92 } |
93 | 93 |
94 // Keys that don't have an identity hash should not be found and also | 94 // Keys that don't have an identity hash should not be found and also |
95 // should not get an identity hash code generated. | 95 // should not get an identity hash code generated. |
96 for (int i = 0; i < 100; i++) { | 96 for (int i = 0; i < 100; i++) { |
97 Handle<JSReceiver> key = factory->NewJSArray(7); | 97 Handle<JSReceiver> key = factory->NewJSArray(7); |
98 CHECK_EQ(table->Lookup(key), CcTest::heap()->the_hole_value()); | 98 CHECK_EQ(table->Lookup(key), CcTest::heap()->the_hole_value()); |
99 CHECK_EQ(key->GetIdentityHash(), | 99 CHECK_EQ(key->GetIdentityHash(), |
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176 key_obj->SetHiddenValue(v8_str("key 2"), v8_str("val 2")); | 176 key_obj->SetHiddenValue(v8_str("key 2"), v8_str("val 2")); |
177 key_obj->SetHiddenValue(v8_str("key 3"), v8_str("val 3")); | 177 key_obj->SetHiddenValue(v8_str("key 3"), v8_str("val 3")); |
178 | 178 |
179 // Simulate a full heap so that generating an identity hash code | 179 // Simulate a full heap so that generating an identity hash code |
180 // in subsequent calls will request GC. | 180 // in subsequent calls will request GC. |
181 SimulateFullSpace(CcTest::heap()->new_space()); | 181 SimulateFullSpace(CcTest::heap()->new_space()); |
182 SimulateFullSpace(CcTest::heap()->old_pointer_space()); | 182 SimulateFullSpace(CcTest::heap()->old_pointer_space()); |
183 | 183 |
184 // Calling Contains() should not cause GC ever. | 184 // Calling Contains() should not cause GC ever. |
185 int gc_count = isolate->heap()->gc_count(); | 185 int gc_count = isolate->heap()->gc_count(); |
186 CHECK(!table->Contains(*key)); | 186 CHECK(!table->Contains(key)); |
187 CHECK(gc_count == isolate->heap()->gc_count()); | 187 CHECK(gc_count == isolate->heap()->gc_count()); |
188 | 188 |
189 // Calling Remove() will not cause GC in this case. | 189 // Calling Remove() will not cause GC in this case. |
190 table = HashSet::Remove(table, key); | 190 table = HashSet::Remove(table, key); |
191 CHECK(gc_count == isolate->heap()->gc_count()); | 191 CHECK(gc_count == isolate->heap()->gc_count()); |
192 | 192 |
193 // Calling Add() should cause GC. | 193 // Calling Add() should cause GC. |
194 table = HashSet::Add(table, key); | 194 table = HashSet::Add(table, key); |
195 CHECK(gc_count < isolate->heap()->gc_count()); | 195 CHECK(gc_count < isolate->heap()->gc_count()); |
196 } | 196 } |
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240 LocalContext context; | 240 LocalContext context; |
241 v8::HandleScope scope(context->GetIsolate()); | 241 v8::HandleScope scope(context->GetIsolate()); |
242 Isolate* isolate = CcTest::i_isolate(); | 242 Isolate* isolate = CcTest::i_isolate(); |
243 TestHashMapCausesGC(ObjectHashTable::New(isolate, 1)); | 243 TestHashMapCausesGC(ObjectHashTable::New(isolate, 1)); |
244 TestHashMapCausesGC(isolate->factory()->NewOrderedHashMap()); | 244 TestHashMapCausesGC(isolate->factory()->NewOrderedHashMap()); |
245 } | 245 } |
246 #endif | 246 #endif |
247 | 247 |
248 | 248 |
249 } | 249 } |
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