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Issue 48913008: Remove calls to JSObject::SetLocalPropertyIgnoreAttributesTrampoline within objects.cc (Closed) Base URL: https://github.com/v8/v8.git@bleeding_edge
Patch Set: last one Created 7 years, 1 month ago
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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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40 40
41 41
42 TEST(ObjectHashTable) { 42 TEST(ObjectHashTable) {
43 LocalContext context; 43 LocalContext context;
44 Isolate* isolate = CcTest::i_isolate(); 44 Isolate* isolate = CcTest::i_isolate();
45 Factory* factory = isolate->factory(); 45 Factory* factory = isolate->factory();
46 v8::HandleScope scope(context->GetIsolate()); 46 v8::HandleScope scope(context->GetIsolate());
47 Handle<ObjectHashTable> table = factory->NewObjectHashTable(23); 47 Handle<ObjectHashTable> table = factory->NewObjectHashTable(23);
48 Handle<JSObject> a = factory->NewJSArray(7); 48 Handle<JSObject> a = factory->NewJSArray(7);
49 Handle<JSObject> b = factory->NewJSArray(11); 49 Handle<JSObject> b = factory->NewJSArray(11);
50 table = PutIntoObjectHashTable(table, a, b); 50 table = ObjectHashTable::Put(table, a, b);
51 CHECK_EQ(table->NumberOfElements(), 1); 51 CHECK_EQ(table->NumberOfElements(), 1);
52 CHECK_EQ(table->Lookup(*a), *b); 52 CHECK_EQ(table->Lookup(*a), *b);
53 CHECK_EQ(table->Lookup(*b), CcTest::heap()->the_hole_value()); 53 CHECK_EQ(table->Lookup(*b), CcTest::heap()->the_hole_value());
54 54
55 // Keys still have to be valid after objects were moved. 55 // Keys still have to be valid after objects were moved.
56 CcTest::heap()->CollectGarbage(NEW_SPACE); 56 CcTest::heap()->CollectGarbage(NEW_SPACE);
57 CHECK_EQ(table->NumberOfElements(), 1); 57 CHECK_EQ(table->NumberOfElements(), 1);
58 CHECK_EQ(table->Lookup(*a), *b); 58 CHECK_EQ(table->Lookup(*a), *b);
59 CHECK_EQ(table->Lookup(*b), CcTest::heap()->the_hole_value()); 59 CHECK_EQ(table->Lookup(*b), CcTest::heap()->the_hole_value());
60 60
61 // Keys that are overwritten should not change number of elements. 61 // Keys that are overwritten should not change number of elements.
62 table = PutIntoObjectHashTable(table, a, factory->NewJSArray(13)); 62 table = ObjectHashTable::Put(table, a, factory->NewJSArray(13));
63 CHECK_EQ(table->NumberOfElements(), 1); 63 CHECK_EQ(table->NumberOfElements(), 1);
64 CHECK_NE(table->Lookup(*a), *b); 64 CHECK_NE(table->Lookup(*a), *b);
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 = ObjectHashTable::Put(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), 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 = PutIntoObjectHashTable(table, key, value); 77 table = ObjectHashTable::Put(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()->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(key->GetIdentityHash(ALLOW_CREATION)->ToObjectChecked()->IsSmi()); 88 CHECK(JSReceiver::GetOrCreateIdentityHash(key)->IsSmi());
89 CHECK_EQ(table->FindEntry(*key), ObjectHashTable::kNotFound); 89 CHECK_EQ(table->FindEntry(*key), ObjectHashTable::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(OMIT_CREATION)->ToObjectChecked()->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(OMIT_CREATION), 99 CHECK_EQ(key->GetIdentityHash(),
100 CcTest::heap()->undefined_value()); 100 CcTest::heap()->undefined_value());
101 } 101 }
102 } 102 }
103 103
104 104
105 class ObjectHashTableTest: public ObjectHashTable { 105 class ObjectHashTableTest: public ObjectHashTable {
106 public: 106 public:
107 void insert(int entry, int key, int value) { 107 void insert(int entry, int key, int value) {
108 set(EntryToIndex(entry), Smi::FromInt(key)); 108 set(EntryToIndex(entry), Smi::FromInt(key));
109 set(EntryToIndex(entry) + 1, Smi::FromInt(value)); 109 set(EntryToIndex(entry) + 1, Smi::FromInt(value));
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168 key_obj->SetHiddenValue(v8_str("key 1"), v8_str("val 1")); 168 key_obj->SetHiddenValue(v8_str("key 1"), v8_str("val 1"));
169 key_obj->SetHiddenValue(v8_str("key 2"), v8_str("val 2")); 169 key_obj->SetHiddenValue(v8_str("key 2"), v8_str("val 2"));
170 key_obj->SetHiddenValue(v8_str("key 3"), v8_str("val 3")); 170 key_obj->SetHiddenValue(v8_str("key 3"), v8_str("val 3"));
171 171
172 // Simulate a full heap so that generating an identity hash code 172 // Simulate a full heap so that generating an identity hash code
173 // in subsequent calls will request GC. 173 // in subsequent calls will request GC.
174 SimulateFullSpace(CcTest::heap()->new_space()); 174 SimulateFullSpace(CcTest::heap()->new_space());
175 SimulateFullSpace(CcTest::heap()->old_pointer_space()); 175 SimulateFullSpace(CcTest::heap()->old_pointer_space());
176 176
177 // Calling Contains() should not cause GC ever. 177 // Calling Contains() should not cause GC ever.
178 int gc_count = isolate->heap()->gc_count();
178 CHECK(!table->Contains(*key)); 179 CHECK(!table->Contains(*key));
180 CHECK(gc_count == isolate->heap()->gc_count());
179 181
180 // Calling Remove() should not cause GC ever. 182 // Calling Remove() will not cause GC in this case.
181 CHECK(!table->Remove(*key)->IsFailure()); 183 table = ObjectHashSet::Remove(table, key);
184 CHECK(gc_count == isolate->heap()->gc_count());
182 185
183 // Calling Add() should request GC by returning a failure. 186 // Calling Add() should cause GC.
184 CHECK(table->Add(*key)->IsRetryAfterGC()); 187 table = ObjectHashSet::Add(table, key);
188 CHECK(gc_count < isolate->heap()->gc_count());
185 } 189 }
186 #endif 190 #endif
187 191
188 192
189 #ifdef DEBUG 193 #ifdef DEBUG
190 TEST(ObjectHashTableCausesGC) { 194 TEST(ObjectHashTableCausesGC) {
191 i::FLAG_stress_compaction = false; 195 i::FLAG_stress_compaction = false;
192 LocalContext context; 196 LocalContext context;
193 Isolate* isolate = CcTest::i_isolate(); 197 Isolate* isolate = CcTest::i_isolate();
194 Factory* factory = isolate->factory(); 198 Factory* factory = isolate->factory();
195 v8::HandleScope scope(context->GetIsolate()); 199 v8::HandleScope scope(context->GetIsolate());
196 Handle<ObjectHashTable> table = factory->NewObjectHashTable(1); 200 Handle<ObjectHashTable> table = factory->NewObjectHashTable(1);
197 Handle<JSObject> key = factory->NewJSArray(0); 201 Handle<JSObject> key = factory->NewJSArray(0);
198 v8::Handle<v8::Object> key_obj = v8::Utils::ToLocal(key); 202 v8::Handle<v8::Object> key_obj = v8::Utils::ToLocal(key);
199 203
200 // Force allocation of hash table backing store for hidden properties. 204 // Force allocation of hash table backing store for hidden properties.
201 key_obj->SetHiddenValue(v8_str("key 1"), v8_str("val 1")); 205 key_obj->SetHiddenValue(v8_str("key 1"), v8_str("val 1"));
202 key_obj->SetHiddenValue(v8_str("key 2"), v8_str("val 2")); 206 key_obj->SetHiddenValue(v8_str("key 2"), v8_str("val 2"));
203 key_obj->SetHiddenValue(v8_str("key 3"), v8_str("val 3")); 207 key_obj->SetHiddenValue(v8_str("key 3"), v8_str("val 3"));
204 208
205 // Simulate a full heap so that generating an identity hash code 209 // Simulate a full heap so that generating an identity hash code
206 // in subsequent calls will request GC. 210 // in subsequent calls will request GC.
207 SimulateFullSpace(CcTest::heap()->new_space()); 211 SimulateFullSpace(CcTest::heap()->new_space());
208 SimulateFullSpace(CcTest::heap()->old_pointer_space()); 212 SimulateFullSpace(CcTest::heap()->old_pointer_space());
209 213
210 // Calling Lookup() should not cause GC ever. 214 // Calling Lookup() should not cause GC ever.
211 CHECK(table->Lookup(*key)->IsTheHole()); 215 CHECK(table->Lookup(*key)->IsTheHole());
212 216
213 // Calling Put() should request GC by returning a failure. 217 // Calling Put() should request GC by returning a failure.
214 CHECK(table->Put(*key, *key)->IsRetryAfterGC()); 218 int gc_count = isolate->heap()->gc_count();
219 ObjectHashTable::Put(table, key, key);
220 CHECK(gc_count < isolate->heap()->gc_count());
215 } 221 }
216 #endif 222 #endif
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