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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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64 address -= kPointerSize; | 64 address -= kPointerSize; |
65 CHECK_EQ(address, value); | 65 CHECK_EQ(address, value); |
66 } | 66 } |
67 | 67 |
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 // Test the situation that some objects in new space are promoted to the | |
75 // old space | |
76 if (Snapshot::IsEnabled()) return; | |
77 | |
78 // 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 |
79 // from new space. | 75 // from new space. |
80 FLAG_gc_global = true; | 76 FLAG_gc_global = true; |
81 FLAG_always_compact = true; | 77 FLAG_always_compact = true; |
82 Heap::ConfigureHeap(2*256*KB, 4*MB); | 78 Heap::ConfigureHeap(2*256*KB, 4*MB); |
83 | 79 |
84 InitializeVM(); | 80 InitializeVM(); |
85 | 81 |
86 v8::HandleScope sc; | 82 v8::HandleScope sc; |
87 | 83 |
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99 | 95 |
100 // Call the m-c collector, so array becomes an old object. | 96 // Call the m-c collector, so array becomes an old object. |
101 CHECK(Heap::CollectGarbage(0, OLD_POINTER_SPACE)); | 97 CHECK(Heap::CollectGarbage(0, OLD_POINTER_SPACE)); |
102 | 98 |
103 // Array now sits in the old space | 99 // Array now sits in the old space |
104 CHECK(Heap::InSpace(*array, OLD_POINTER_SPACE)); | 100 CHECK(Heap::InSpace(*array, OLD_POINTER_SPACE)); |
105 } | 101 } |
106 | 102 |
107 | 103 |
108 TEST(NoPromotion) { | 104 TEST(NoPromotion) { |
109 if (Snapshot::IsEnabled()) return; | |
110 Heap::ConfigureHeap(2*256*KB, 4*MB); | 105 Heap::ConfigureHeap(2*256*KB, 4*MB); |
111 | 106 |
112 // Test the situation that some objects in new space are promoted to | 107 // Test the situation that some objects in new space are promoted to |
113 // the old space | 108 // the old space |
114 InitializeVM(); | 109 InitializeVM(); |
115 | 110 |
116 v8::HandleScope sc; | 111 v8::HandleScope sc; |
117 | 112 |
118 // Do a mark compact GC to shrink the heap. | 113 // Do a mark compact GC to shrink the heap. |
119 CHECK(Heap::CollectGarbage(0, OLD_POINTER_SPACE)); | 114 CHECK(Heap::CollectGarbage(0, OLD_POINTER_SPACE)); |
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307 Object** g2_objects[] = { g2s1.location(), g2s2.location() }; | 302 Object** g2_objects[] = { g2s1.location(), g2s2.location() }; |
308 GlobalHandles::AddGroup(g1_objects, 2); | 303 GlobalHandles::AddGroup(g1_objects, 2); |
309 GlobalHandles::AddGroup(g2_objects, 2); | 304 GlobalHandles::AddGroup(g2_objects, 2); |
310 } | 305 } |
311 | 306 |
312 CHECK(Heap::CollectGarbage(0, OLD_POINTER_SPACE)); | 307 CHECK(Heap::CollectGarbage(0, OLD_POINTER_SPACE)); |
313 | 308 |
314 // All objects should be gone. 5 global handles in total. | 309 // All objects should be gone. 5 global handles in total. |
315 CHECK_EQ(5, NumberOfWeakCalls); | 310 CHECK_EQ(5, NumberOfWeakCalls); |
316 } | 311 } |
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