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 "SkAutoMalloc.h"
9 #include "SkData.h"
10 #include "SkMallocPixelRef.h"
11 #include "Test.h"
12
delete_uint8_proc(void * ptr,void *)13 static void delete_uint8_proc(void* ptr, void*) {
14 delete[] static_cast<uint8_t*>(ptr);
15 }
16
set_to_one_proc(void *,void * context)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 */
DEF_TEST(MallocPixelRef,reporter)24 DEF_TEST(MallocPixelRef, reporter) {
25 REPORTER_ASSERT(reporter, true);
26 SkImageInfo info = SkImageInfo::MakeN32Premul(10, 13);
27 {
28 sk_sp<SkPixelRef> pr(
29 SkMallocPixelRef::MakeAllocate(info, info.minRowBytes() - 1));
30 // rowbytes too small.
31 REPORTER_ASSERT(reporter, nullptr == pr.get());
32 }
33 {
34 size_t rowBytes = info.minRowBytes() - 1;
35 size_t size = info.computeByteSize(rowBytes);
36 sk_sp<SkData> data(SkData::MakeUninitialized(size));
37 sk_sp<SkPixelRef> pr(
38 SkMallocPixelRef::MakeWithData(info, rowBytes, data));
39 // rowbytes too small.
40 REPORTER_ASSERT(reporter, nullptr == pr.get());
41 }
42 {
43 size_t rowBytes = info.minRowBytes() + 2;
44 size_t size = info.computeByteSize(rowBytes) - 1;
45 sk_sp<SkData> data(SkData::MakeUninitialized(size));
46 sk_sp<SkPixelRef> pr(
47 SkMallocPixelRef::MakeWithData(info, rowBytes, data));
48 // data too small.
49 REPORTER_ASSERT(reporter, nullptr == pr.get());
50 }
51 size_t rowBytes = info.minRowBytes() + 7;
52 size_t size = info.computeByteSize(rowBytes) + 9;
53 {
54 SkAutoMalloc memory(size);
55 sk_sp<SkPixelRef> pr(
56 SkMallocPixelRef::MakeDirect(info, memory.get(), rowBytes));
57 REPORTER_ASSERT(reporter, pr.get() != nullptr);
58 REPORTER_ASSERT(reporter, memory.get() == pr->pixels());
59 }
60 {
61 sk_sp<SkPixelRef> pr(
62 SkMallocPixelRef::MakeAllocate(info, rowBytes));
63 REPORTER_ASSERT(reporter, pr.get() != nullptr);
64 REPORTER_ASSERT(reporter, pr->pixels());
65 }
66 {
67 void* addr = static_cast<void*>(new uint8_t[size]);
68 sk_sp<SkPixelRef> pr(
69 SkMallocPixelRef::MakeWithProc(info, rowBytes, addr, delete_uint8_proc, nullptr));
70 REPORTER_ASSERT(reporter, pr.get() != nullptr);
71 REPORTER_ASSERT(reporter, addr == pr->pixels());
72 }
73 {
74 int x = 0;
75 SkAutoMalloc memory(size);
76 sk_sp<SkPixelRef> pr(
77 SkMallocPixelRef::MakeWithProc(info, rowBytes,
78 memory.get(), set_to_one_proc,
79 static_cast<void*>(&x)));
80 REPORTER_ASSERT(reporter, pr.get() != nullptr);
81 REPORTER_ASSERT(reporter, memory.get() == pr->pixels());
82 REPORTER_ASSERT(reporter, 0 == x);
83 pr.reset(nullptr);
84 // make sure that set_to_one_proc was called.
85 REPORTER_ASSERT(reporter, 1 == x);
86 }
87 {
88 int x = 0;
89 SkAutoMalloc memory(size);
90 sk_sp<SkPixelRef> pr(
91 SkMallocPixelRef::MakeWithProc(SkImageInfo::MakeN32Premul(-1, -1), rowBytes,
92 memory.get(), set_to_one_proc,
93 static_cast<void*>(&x)));
94 REPORTER_ASSERT(reporter, pr.get() == nullptr);
95 // make sure that set_to_one_proc was called.
96 REPORTER_ASSERT(reporter, 1 == x);
97 }
98 {
99 void* addr = static_cast<void*>(new uint8_t[size]);
100 REPORTER_ASSERT(reporter, addr != nullptr);
101 sk_sp<SkPixelRef> pr(
102 SkMallocPixelRef::MakeWithProc(info, rowBytes, addr,
103 delete_uint8_proc, nullptr));
104 REPORTER_ASSERT(reporter, addr == pr->pixels());
105 }
106 {
107 sk_sp<SkData> data(SkData::MakeUninitialized(size));
108 SkData* dataPtr = data.get();
109 REPORTER_ASSERT(reporter, dataPtr->unique());
110 sk_sp<SkPixelRef> pr = SkMallocPixelRef::MakeWithData(info, rowBytes, data);
111 REPORTER_ASSERT(reporter, !(dataPtr->unique()));
112 data.reset(nullptr);
113 REPORTER_ASSERT(reporter, dataPtr->unique());
114 REPORTER_ASSERT(reporter, dataPtr->data() == pr->pixels());
115 }
116 }
117