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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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| 65 | 65 |
| 66 // Keys mapped to the hole should be removed permanently. | 66 // Keys mapped to the hole should be removed permanently. |
| 67 table = PutIntoObjectHashTable(table, a, factory->the_hole_value()); | 67 table = PutIntoObjectHashTable(table, a, factory->the_hole_value()); |
| 68 CHECK_EQ(table->NumberOfElements(), 0); | 68 CHECK_EQ(table->NumberOfElements(), 0); |
| 69 CHECK_EQ(table->NumberOfDeletedElements(), 1); | 69 CHECK_EQ(table->NumberOfDeletedElements(), 1); |
| 70 CHECK_EQ(table->Lookup(*a), HEAP->the_hole_value()); | 70 CHECK_EQ(table->Lookup(*a), 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<JSObject> 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 = PutIntoObjectHashTable(table, key, value); | 77 table = PutIntoObjectHashTable(table, key, value); |
| 78 CHECK_EQ(table->NumberOfElements(), i + 1); | 78 CHECK_EQ(table->NumberOfElements(), i + 1); |
| 79 CHECK_NE(table->FindEntry(*key), ObjectHashTable::kNotFound); | 79 CHECK_NE(table->FindEntry(*key), ObjectHashTable::kNotFound); |
| 80 CHECK_EQ(table->Lookup(*key), *value); | 80 CHECK_EQ(table->Lookup(*key), *value); |
| 81 CHECK(key->GetIdentityHash(OMIT_CREATION)->ToObjectChecked()->IsSmi()); | 81 CHECK(key->GetIdentityHash(OMIT_CREATION)->ToObjectChecked()->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<JSObject> key = factory->NewJSArray(7); | 87 Handle<JSReceiver> key = factory->NewJSArray(7); |
| 88 CHECK(key->GetIdentityHash(ALLOW_CREATION)->ToObjectChecked()->IsSmi()); | 88 CHECK(key->GetIdentityHash(ALLOW_CREATION)->ToObjectChecked()->IsSmi()); |
| 89 CHECK_EQ(table->FindEntry(*key), ObjectHashTable::kNotFound); | 89 CHECK_EQ(table->FindEntry(*key), ObjectHashTable::kNotFound); |
| 90 CHECK_EQ(table->Lookup(*key), HEAP->the_hole_value()); | 90 CHECK_EQ(table->Lookup(*key), HEAP->the_hole_value()); |
| 91 CHECK(key->GetIdentityHash(OMIT_CREATION)->ToObjectChecked()->IsSmi()); | 91 CHECK(key->GetIdentityHash(OMIT_CREATION)->ToObjectChecked()->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<JSObject> key = factory->NewJSArray(7); | 97 Handle<JSReceiver> key = factory->NewJSArray(7); |
| 98 CHECK_EQ(table->Lookup(*key), HEAP->the_hole_value()); | 98 CHECK_EQ(table->Lookup(*key), HEAP->the_hole_value()); |
| 99 CHECK_EQ(key->GetIdentityHash(OMIT_CREATION), HEAP->undefined_value()); | 99 CHECK_EQ(key->GetIdentityHash(OMIT_CREATION), HEAP->undefined_value()); |
| 100 } | 100 } |
| 101 } | 101 } |
| 102 | 102 |
| 103 | 103 |
| 104 #ifdef DEBUG | 104 #ifdef DEBUG |
| 105 TEST(ObjectHashSetCausesGC) { | 105 TEST(ObjectHashSetCausesGC) { |
| 106 i::FLAG_stress_compaction = false; | 106 i::FLAG_stress_compaction = false; |
| 107 LocalContext context; | 107 LocalContext context; |
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| 155 SimulateFullSpace(HEAP->new_space()); | 155 SimulateFullSpace(HEAP->new_space()); |
| 156 SimulateFullSpace(HEAP->old_pointer_space()); | 156 SimulateFullSpace(HEAP->old_pointer_space()); |
| 157 | 157 |
| 158 // Calling Lookup() should not cause GC ever. | 158 // Calling Lookup() should not cause GC ever. |
| 159 CHECK(table->Lookup(*key)->IsTheHole()); | 159 CHECK(table->Lookup(*key)->IsTheHole()); |
| 160 | 160 |
| 161 // Calling Put() should request GC by returning a failure. | 161 // Calling Put() should request GC by returning a failure. |
| 162 CHECK(table->Put(*key, *key)->IsRetryAfterGC()); | 162 CHECK(table->Put(*key, *key)->IsRetryAfterGC()); |
| 163 } | 163 } |
| 164 #endif | 164 #endif |
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