OLD | NEW |
1 /* | 1 /* |
2 * Copyright 2014 Google, Inc | 2 * Copyright 2014 Google, Inc |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #include "SkSmallAllocator.h" | 8 #include "SkSmallAllocator.h" |
9 #include "SkTypes.h" | 9 #include "SkTypes.h" |
10 #include "Test.h" | 10 #include "Test.h" |
(...skipping 12 matching lines...) Expand all Loading... |
23 | 23 |
24 private: | 24 private: |
25 static int kCount; | 25 static int kCount; |
26 }; | 26 }; |
27 | 27 |
28 int CountingClass::kCount; | 28 int CountingClass::kCount; |
29 | 29 |
30 template<uint32_t kMaxObjects, size_t kBytes> void test_allocator(skiatest::Repo
rter* reporter) { | 30 template<uint32_t kMaxObjects, size_t kBytes> void test_allocator(skiatest::Repo
rter* reporter) { |
31 { | 31 { |
32 SkSmallAllocator<kMaxObjects, kBytes> alloc; | 32 SkSmallAllocator<kMaxObjects, kBytes> alloc; |
33 for (uint32_t i = 0; i < kMaxObjects; ++i) { | 33 for (uint32_t i = 0; i < kMaxObjects + 1; ++i) { |
34 CountingClass* c = alloc.template createT<CountingClass>(); | 34 CountingClass* c = alloc.template createT<CountingClass>(); |
35 REPORTER_ASSERT(reporter, c != nullptr); | 35 REPORTER_ASSERT(reporter, c != nullptr); |
36 REPORTER_ASSERT(reporter, CountingClass::GetCount() == static_cast<i
nt>(i+1)); | 36 REPORTER_ASSERT(reporter, CountingClass::GetCount() == static_cast<i
nt>(i+1)); |
37 } | 37 } |
38 } | 38 } |
39 REPORTER_ASSERT(reporter, CountingClass::GetCount() == 0); | 39 REPORTER_ASSERT(reporter, CountingClass::GetCount() == 0); |
40 } | 40 } |
41 | 41 |
42 // Tests that ensure that the destructor is called, whether the objects | 42 // Tests that ensure that the destructor is called, whether the objects |
43 // were created in fStorage or on the heap. | 43 // were created in fStorage or on the heap. |
44 DEF_TEST(SmallAllocator_destructor, reporter) { | 44 DEF_TEST(SmallAllocator_destructor, reporter) { |
45 // Four times as many bytes as objects will never require any heap | 45 // Four times as many bytes as objects will never require any heap |
46 // allocations (since SkAlign4(sizeof(CountingClass)) == 4 and the allocator | 46 // allocations (since SkAlign4(sizeof(CountingClass)) == 4). |
47 // will stop once it reaches kMaxObjects). | |
48 test_allocator<5, 20>(reporter); | 47 test_allocator<5, 20>(reporter); |
49 test_allocator<10, 40>(reporter); | 48 test_allocator<10, 40>(reporter); |
50 test_allocator<20, 80>(reporter); | 49 test_allocator<20, 80>(reporter); |
51 | 50 |
52 #ifndef SK_DEBUG | |
53 // Allowing less bytes than objects means some will be allocated on the | 51 // Allowing less bytes than objects means some will be allocated on the |
54 // heap. Don't run these in debug where we assert. | 52 // heap. Don't run these in debug where we assert. |
55 test_allocator<50, 20>(reporter); | 53 test_allocator<50, 20>(reporter); |
56 test_allocator<100, 20>(reporter); | 54 test_allocator<100, 20>(reporter); |
57 #endif | |
58 } | 55 } |
59 | 56 |
60 class Dummy { | 57 class Dummy { |
61 }; | 58 }; |
62 | 59 |
63 class DummyContainer { | 60 class DummyContainer { |
64 public: | 61 public: |
65 explicit DummyContainer(Dummy* d) | 62 explicit DummyContainer(Dummy* d) |
66 :fDummy(d) | 63 :fDummy(d) |
67 {} | 64 {} |
68 | 65 |
69 Dummy* getDummy() const { return fDummy; } | 66 Dummy* getDummy() const { return fDummy; } |
70 | 67 |
71 private: | 68 private: |
72 Dummy* fDummy; | 69 Dummy* fDummy; |
73 }; | 70 }; |
74 | 71 |
75 // Test that using a createT with a constructor taking a pointer as a | 72 // Test that using a createT with a constructor taking a pointer as a |
76 // parameter works as expected. | 73 // parameter works as expected. |
77 DEF_TEST(SmallAllocator_pointer, reporter) { | 74 DEF_TEST(SmallAllocator_pointer, reporter) { |
78 SkSmallAllocator<1, 8> alloc; | 75 SkSmallAllocator<1, 8> alloc; |
79 Dummy d; | 76 Dummy d; |
80 DummyContainer* container = alloc.createT<DummyContainer>(&d); | 77 DummyContainer* container = alloc.createT<DummyContainer>(&d); |
81 REPORTER_ASSERT(reporter, container != nullptr); | 78 REPORTER_ASSERT(reporter, container != nullptr); |
82 REPORTER_ASSERT(reporter, container->getDummy() == &d); | 79 REPORTER_ASSERT(reporter, container->getDummy() == &d); |
83 } | 80 } |
| 81 |
| 82 // Test that using a createWithIniterT works as expected. |
| 83 DEF_TEST(SmallAllocator_initer, reporter) { |
| 84 SkSmallAllocator<1, 8> alloc; |
| 85 Dummy d; |
| 86 DummyContainer* container = alloc.createWithIniterT<DummyContainer>( |
| 87 sizeof(DummyContainer), |
| 88 [&](void* storage) { |
| 89 return new (storage) DummyContainer(&d); |
| 90 }); |
| 91 REPORTER_ASSERT(reporter, container != nullptr); |
| 92 REPORTER_ASSERT(reporter, container->getDummy() == &d); |
| 93 } |
OLD | NEW |