halcanary@google.com | 1bed687 | 2014-01-02 17:29:28 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2013 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
| 8 | #include "SkData.h" |
| 9 | #include "SkMallocPixelRef.h" |
| 10 | #include "Test.h" |
| 11 | #include "TestClassDef.h" |
| 12 | |
| 13 | static void delete_uint8_proc(void* ptr, void*) { |
| 14 | delete[] static_cast<uint8_t*>(ptr); |
| 15 | } |
| 16 | |
| 17 | static void set_to_one_proc(void*, void* context) { |
| 18 | *(static_cast<int*>(context)) = 1; |
| 19 | } |
| 20 | |
| 21 | /** |
| 22 | * This test contains basic sanity checks concerning SkMallocPixelRef. |
| 23 | */ |
| 24 | DEF_TEST(MallocPixelRef, reporter) { |
| 25 | REPORTER_ASSERT(reporter, true); |
| 26 | SkImageInfo info = {10, 13, kPMColor_SkColorType, kPremul_SkAlphaType}; |
| 27 | { |
| 28 | SkAutoTUnref<SkMallocPixelRef> pr( |
| 29 | SkMallocPixelRef::NewAllocate(info, info.minRowBytes() - 1, NULL)); |
| 30 | // rowbytes too small. |
| 31 | REPORTER_ASSERT(reporter, NULL == pr.get()); |
| 32 | } |
| 33 | { |
| 34 | size_t rowBytes = info.minRowBytes() - 1; |
| 35 | size_t size = info.getSafeSize(rowBytes); |
| 36 | void* addr = sk_malloc_throw(size); |
| 37 | SkAutoDataUnref data(SkData::NewFromMalloc(addr, size)); |
| 38 | SkAutoTUnref<SkMallocPixelRef> pr( |
| 39 | SkMallocPixelRef::NewWithData(info, rowBytes, |
| 40 | NULL, data.get())); |
| 41 | // rowbytes too small. |
| 42 | REPORTER_ASSERT(reporter, NULL == pr.get()); |
| 43 | } |
| 44 | { |
| 45 | size_t rowBytes = info.minRowBytes() + 2; |
| 46 | size_t size = info.getSafeSize(rowBytes) - 1; |
| 47 | void* addr = sk_malloc_throw(size); |
| 48 | SkAutoDataUnref data(SkData::NewFromMalloc(addr, size)); |
| 49 | SkAutoTUnref<SkMallocPixelRef> pr( |
| 50 | SkMallocPixelRef::NewWithData(info, rowBytes, NULL, |
| 51 | data.get())); |
| 52 | // data too small. |
| 53 | REPORTER_ASSERT(reporter, NULL == pr.get()); |
| 54 | } |
| 55 | size_t rowBytes = info.minRowBytes() + 7; |
| 56 | size_t size = info.getSafeSize(rowBytes) + 9; |
| 57 | { |
| 58 | SkAutoMalloc memory(size); |
| 59 | SkAutoTUnref<SkMallocPixelRef> pr( |
| 60 | SkMallocPixelRef::NewDirect(info, memory.get(), rowBytes, NULL)); |
| 61 | REPORTER_ASSERT(reporter, pr.get() != NULL); |
| 62 | REPORTER_ASSERT(reporter, memory.get() == pr->pixels()); |
| 63 | } |
| 64 | { |
| 65 | SkAutoTUnref<SkMallocPixelRef> pr( |
| 66 | SkMallocPixelRef::NewAllocate(info, rowBytes, NULL)); |
| 67 | REPORTER_ASSERT(reporter, pr.get() != NULL); |
| 68 | REPORTER_ASSERT(reporter, NULL != pr->pixels()); |
| 69 | } |
| 70 | { |
| 71 | void* addr = static_cast<void*>(new uint8_t[size]); |
| 72 | SkAutoTUnref<SkMallocPixelRef> pr( |
| 73 | SkMallocPixelRef::NewWithProc(info, rowBytes, NULL, addr, |
| 74 | delete_uint8_proc, NULL)); |
| 75 | REPORTER_ASSERT(reporter, pr.get() != NULL); |
| 76 | REPORTER_ASSERT(reporter, addr == pr->pixels()); |
| 77 | } |
| 78 | { |
| 79 | int x = 0; |
| 80 | SkAutoMalloc memory(size); |
| 81 | REPORTER_ASSERT(reporter, memory.get() != NULL); |
| 82 | SkAutoTUnref<SkMallocPixelRef> pr( |
| 83 | SkMallocPixelRef::NewWithProc(info, rowBytes, NULL, |
| 84 | memory.get(), set_to_one_proc, |
| 85 | static_cast<void*>(&x))); |
| 86 | REPORTER_ASSERT(reporter, pr.get() != NULL); |
| 87 | REPORTER_ASSERT(reporter, memory.get() == pr->pixels()); |
| 88 | REPORTER_ASSERT(reporter, 0 == x); |
| 89 | pr.reset(NULL); |
| 90 | // make sure that set_to_one_proc was called. |
| 91 | REPORTER_ASSERT(reporter, 1 == x); |
| 92 | } |
| 93 | { |
| 94 | void* addr = static_cast<void*>(new uint8_t[size]); |
| 95 | REPORTER_ASSERT(reporter, addr != NULL); |
| 96 | SkAutoTUnref<SkMallocPixelRef> pr( |
| 97 | SkMallocPixelRef::NewWithProc(info, rowBytes, NULL, addr, |
| 98 | delete_uint8_proc, NULL)); |
| 99 | REPORTER_ASSERT(reporter, addr == pr->pixels()); |
| 100 | } |
| 101 | { |
| 102 | void* addr = sk_malloc_throw(size); |
| 103 | SkAutoDataUnref data(SkData::NewFromMalloc(addr, size)); |
| 104 | REPORTER_ASSERT(reporter, data.get() != NULL); |
| 105 | SkData* dataPtr = data.get(); |
| 106 | REPORTER_ASSERT(reporter, dataPtr->unique()); |
| 107 | SkAutoTUnref<SkMallocPixelRef> pr( |
| 108 | SkMallocPixelRef::NewWithData(info, rowBytes, NULL, data.get(), 4)); |
| 109 | REPORTER_ASSERT(reporter, !(dataPtr->unique())); |
| 110 | data.reset(NULL); |
| 111 | REPORTER_ASSERT(reporter, dataPtr->unique()); |
| 112 | REPORTER_ASSERT(reporter, |
| 113 | static_cast<const void*>(dataPtr->bytes() + 4) == pr->pixels()); |
| 114 | } |
| 115 | } |
| 116 | |