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| 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 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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| 68 CHECK_EQ(NULL, address); | 68 CHECK_EQ(NULL, address); |
| 69 DeleteArray(mem); | 69 DeleteArray(mem); |
| 70 } | 70 } |
| 71 | 71 |
| 72 | 72 |
| 73 TEST(Promotion) { | 73 TEST(Promotion) { |
| 74 // Ensure that we get a compacting collection so that objects are promoted | 74 // Ensure that we get a compacting collection so that objects are promoted |
| 75 // from new space. | 75 // from new space. |
| 76 FLAG_gc_global = true; | 76 FLAG_gc_global = true; |
| 77 FLAG_always_compact = true; | 77 FLAG_always_compact = true; |
| 78 Heap::ConfigureHeap(2*256*KB, 4*MB); | 78 Heap::ConfigureHeap(2*256*KB, 4*MB, 0); |
| 79 | 79 |
| 80 InitializeVM(); | 80 InitializeVM(); |
| 81 | 81 |
| 82 v8::HandleScope sc; | 82 v8::HandleScope sc; |
| 83 | 83 |
| 84 // Allocate a fixed array in the new space. | 84 // Allocate a fixed array in the new space. |
| 85 int array_size = | 85 int array_size = |
| 86 (Heap::MaxObjectSizeInPagedSpace() - FixedArray::kHeaderSize) / | 86 (Heap::MaxObjectSizeInPagedSpace() - FixedArray::kHeaderSize) / |
| 87 (kPointerSize * 4); | 87 (kPointerSize * 4); |
| 88 Object* obj = Heap::AllocateFixedArray(array_size)->ToObjectChecked(); | 88 Object* obj = Heap::AllocateFixedArray(array_size)->ToObjectChecked(); |
| 89 | 89 |
| 90 Handle<FixedArray> array(FixedArray::cast(obj)); | 90 Handle<FixedArray> array(FixedArray::cast(obj)); |
| 91 | 91 |
| 92 // Array should be in the new space. | 92 // Array should be in the new space. |
| 93 CHECK(Heap::InSpace(*array, NEW_SPACE)); | 93 CHECK(Heap::InSpace(*array, NEW_SPACE)); |
| 94 | 94 |
| 95 // Call the m-c collector, so array becomes an old object. | 95 // Call the m-c collector, so array becomes an old object. |
| 96 Heap::CollectGarbage(OLD_POINTER_SPACE); | 96 Heap::CollectGarbage(OLD_POINTER_SPACE); |
| 97 | 97 |
| 98 // Array now sits in the old space | 98 // Array now sits in the old space |
| 99 CHECK(Heap::InSpace(*array, OLD_POINTER_SPACE)); | 99 CHECK(Heap::InSpace(*array, OLD_POINTER_SPACE)); |
| 100 } | 100 } |
| 101 | 101 |
| 102 | 102 |
| 103 TEST(NoPromotion) { | 103 TEST(NoPromotion) { |
| 104 Heap::ConfigureHeap(2*256*KB, 4*MB); | 104 Heap::ConfigureHeap(2*256*KB, 4*MB, 0); |
| 105 | 105 |
| 106 // Test the situation that some objects in new space are promoted to | 106 // Test the situation that some objects in new space are promoted to |
| 107 // the old space | 107 // the old space |
| 108 InitializeVM(); | 108 InitializeVM(); |
| 109 | 109 |
| 110 v8::HandleScope sc; | 110 v8::HandleScope sc; |
| 111 | 111 |
| 112 // Do a mark compact GC to shrink the heap. | 112 // Do a mark compact GC to shrink the heap. |
| 113 Heap::CollectGarbage(OLD_POINTER_SPACE); | 113 Heap::CollectGarbage(OLD_POINTER_SPACE); |
| 114 | 114 |
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| 350 Object** g2_objects[] = { g2s1.location(), g2s2.location() }; | 350 Object** g2_objects[] = { g2s1.location(), g2s2.location() }; |
| 351 GlobalHandles::AddGroup(g1_objects, 2); | 351 GlobalHandles::AddGroup(g1_objects, 2); |
| 352 GlobalHandles::AddGroup(g2_objects, 2); | 352 GlobalHandles::AddGroup(g2_objects, 2); |
| 353 } | 353 } |
| 354 | 354 |
| 355 Heap::CollectGarbage(OLD_POINTER_SPACE); | 355 Heap::CollectGarbage(OLD_POINTER_SPACE); |
| 356 | 356 |
| 357 // All objects should be gone. 5 global handles in total. | 357 // All objects should be gone. 5 global handles in total. |
| 358 CHECK_EQ(5, NumberOfWeakCalls); | 358 CHECK_EQ(5, NumberOfWeakCalls); |
| 359 } | 359 } |
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