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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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160 } | 160 } |
161 | 161 |
162 | 162 |
163 // Test that weak map values on an evacuation candidate which are not reachable | 163 // Test that weak map values on an evacuation candidate which are not reachable |
164 // by other paths are correctly recorded in the slots buffer. | 164 // by other paths are correctly recorded in the slots buffer. |
165 TEST(Regress2060a) { | 165 TEST(Regress2060a) { |
166 FLAG_always_compact = true; | 166 FLAG_always_compact = true; |
167 LocalContext context; | 167 LocalContext context; |
168 v8::HandleScope scope; | 168 v8::HandleScope scope; |
169 Handle<JSFunction> function = | 169 Handle<JSFunction> function = |
170 FACTORY->NewFunction(FACTORY->function_symbol(), FACTORY->null_value()); | 170 FACTORY->NewFunction(FACTORY->function_string(), FACTORY->null_value()); |
171 Handle<JSObject> key = FACTORY->NewJSObject(function); | 171 Handle<JSObject> key = FACTORY->NewJSObject(function); |
172 Handle<JSWeakMap> weakmap = AllocateJSWeakMap(); | 172 Handle<JSWeakMap> weakmap = AllocateJSWeakMap(); |
173 | 173 |
174 // Start second old-space page so that values land on evacuation candidate. | 174 // Start second old-space page so that values land on evacuation candidate. |
175 Page* first_page = HEAP->old_pointer_space()->anchor()->next_page(); | 175 Page* first_page = HEAP->old_pointer_space()->anchor()->next_page(); |
176 FACTORY->NewFixedArray(900 * KB / kPointerSize, TENURED); | 176 FACTORY->NewFixedArray(900 * KB / kPointerSize, TENURED); |
177 | 177 |
178 // Fill up weak map with values on an evacuation candidate. | 178 // Fill up weak map with values on an evacuation candidate. |
179 { | 179 { |
180 v8::HandleScope scope; | 180 v8::HandleScope scope; |
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196 // other strong paths are correctly recorded in the slots buffer. | 196 // other strong paths are correctly recorded in the slots buffer. |
197 TEST(Regress2060b) { | 197 TEST(Regress2060b) { |
198 FLAG_always_compact = true; | 198 FLAG_always_compact = true; |
199 #ifdef VERIFY_HEAP | 199 #ifdef VERIFY_HEAP |
200 FLAG_verify_heap = true; | 200 FLAG_verify_heap = true; |
201 #endif | 201 #endif |
202 | 202 |
203 LocalContext context; | 203 LocalContext context; |
204 v8::HandleScope scope; | 204 v8::HandleScope scope; |
205 Handle<JSFunction> function = | 205 Handle<JSFunction> function = |
206 FACTORY->NewFunction(FACTORY->function_symbol(), FACTORY->null_value()); | 206 FACTORY->NewFunction(FACTORY->function_string(), FACTORY->null_value()); |
207 | 207 |
208 // Start second old-space page so that keys land on evacuation candidate. | 208 // Start second old-space page so that keys land on evacuation candidate. |
209 Page* first_page = HEAP->old_pointer_space()->anchor()->next_page(); | 209 Page* first_page = HEAP->old_pointer_space()->anchor()->next_page(); |
210 FACTORY->NewFixedArray(900 * KB / kPointerSize, TENURED); | 210 FACTORY->NewFixedArray(900 * KB / kPointerSize, TENURED); |
211 | 211 |
212 // Fill up weak map with keys on an evacuation candidate. | 212 // Fill up weak map with keys on an evacuation candidate. |
213 Handle<JSObject> keys[32]; | 213 Handle<JSObject> keys[32]; |
214 for (int i = 0; i < 32; i++) { | 214 for (int i = 0; i < 32; i++) { |
215 keys[i] = FACTORY->NewJSObject(function, TENURED); | 215 keys[i] = FACTORY->NewJSObject(function, TENURED); |
216 CHECK(!HEAP->InNewSpace(keys[i]->address())); | 216 CHECK(!HEAP->InNewSpace(keys[i]->address())); |
217 CHECK(!first_page->Contains(keys[i]->address())); | 217 CHECK(!first_page->Contains(keys[i]->address())); |
218 } | 218 } |
219 Handle<JSWeakMap> weakmap = AllocateJSWeakMap(); | 219 Handle<JSWeakMap> weakmap = AllocateJSWeakMap(); |
220 for (int i = 0; i < 32; i++) { | 220 for (int i = 0; i < 32; i++) { |
221 PutIntoWeakMap(weakmap, keys[i], Handle<Smi>(Smi::FromInt(i))); | 221 PutIntoWeakMap(weakmap, keys[i], Handle<Smi>(Smi::FromInt(i))); |
222 } | 222 } |
223 | 223 |
224 // Force compacting garbage collection. The subsequent collections are used | 224 // Force compacting garbage collection. The subsequent collections are used |
225 // to verify that key references were actually updated. | 225 // to verify that key references were actually updated. |
226 CHECK(FLAG_always_compact); | 226 CHECK(FLAG_always_compact); |
227 HEAP->CollectAllGarbage(Heap::kNoGCFlags); | 227 HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
228 HEAP->CollectAllGarbage(Heap::kNoGCFlags); | 228 HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
229 HEAP->CollectAllGarbage(Heap::kNoGCFlags); | 229 HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
230 } | 230 } |
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