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
12static void delete_uint8_proc(void* ptr, void*) {
13    delete[] static_cast<uint8_t*>(ptr);
14}
15
16static void set_to_one_proc(void*, void* context) {
17    *(static_cast<int*>(context)) = 1;
18}
19
20/**
21 *  This test contains basic sanity checks concerning SkMallocPixelRef.
22 */
23DEF_TEST(MallocPixelRef, reporter) {
24    REPORTER_ASSERT(reporter, true);
25    SkImageInfo info = SkImageInfo::MakeN32Premul(10, 13);
26    {
27        SkAutoTUnref<SkMallocPixelRef> pr(
28            SkMallocPixelRef::NewAllocate(info, info.minRowBytes() - 1, NULL));
29        // rowbytes too small.
30        REPORTER_ASSERT(reporter, NULL == pr.get());
31    }
32    {
33        size_t rowBytes = info.minRowBytes() - 1;
34        size_t size = info.getSafeSize(rowBytes);
35        void* addr = sk_malloc_throw(size);
36        SkAutoDataUnref data(SkData::NewFromMalloc(addr, size));
37        SkAutoTUnref<SkMallocPixelRef> pr(
38            SkMallocPixelRef::NewWithData(info, rowBytes,
39                                          NULL, data.get()));
40        // rowbytes too small.
41        REPORTER_ASSERT(reporter, NULL == pr.get());
42    }
43    {
44        size_t rowBytes = info.minRowBytes() + 2;
45        size_t size = info.getSafeSize(rowBytes) - 1;
46        void* addr = sk_malloc_throw(size);
47        SkAutoDataUnref data(SkData::NewFromMalloc(addr, size));
48        SkAutoTUnref<SkMallocPixelRef> pr(
49            SkMallocPixelRef::NewWithData(info, rowBytes, NULL,
50                                          data.get()));
51        // data too small.
52        REPORTER_ASSERT(reporter, NULL == pr.get());
53    }
54    size_t rowBytes = info.minRowBytes() + 7;
55    size_t size = info.getSafeSize(rowBytes) + 9;
56    {
57        SkAutoMalloc memory(size);
58        SkAutoTUnref<SkMallocPixelRef> pr(
59            SkMallocPixelRef::NewDirect(info, memory.get(), rowBytes, NULL));
60        REPORTER_ASSERT(reporter, pr.get() != NULL);
61        REPORTER_ASSERT(reporter, memory.get() == pr->pixels());
62    }
63    {
64        SkAutoTUnref<SkMallocPixelRef> pr(
65            SkMallocPixelRef::NewAllocate(info, rowBytes, NULL));
66        REPORTER_ASSERT(reporter, pr.get() != NULL);
67        REPORTER_ASSERT(reporter, NULL != pr->pixels());
68    }
69    {
70        void* addr = static_cast<void*>(new uint8_t[size]);
71        SkAutoTUnref<SkMallocPixelRef> pr(
72            SkMallocPixelRef::NewWithProc(info, rowBytes, NULL, addr,
73                                          delete_uint8_proc, NULL));
74        REPORTER_ASSERT(reporter, pr.get() != NULL);
75        REPORTER_ASSERT(reporter, addr == pr->pixels());
76    }
77    {
78        int x = 0;
79        SkAutoMalloc memory(size);
80        REPORTER_ASSERT(reporter, memory.get() != NULL);
81        SkAutoTUnref<SkMallocPixelRef> pr(
82            SkMallocPixelRef::NewWithProc(info, rowBytes, NULL,
83                                          memory.get(), set_to_one_proc,
84                                          static_cast<void*>(&x)));
85        REPORTER_ASSERT(reporter, pr.get() != NULL);
86        REPORTER_ASSERT(reporter, memory.get() == pr->pixels());
87        REPORTER_ASSERT(reporter, 0 == x);
88        pr.reset(NULL);
89        // make sure that set_to_one_proc was called.
90        REPORTER_ASSERT(reporter, 1 == x);
91    }
92    {
93        void* addr = static_cast<void*>(new uint8_t[size]);
94        REPORTER_ASSERT(reporter, addr != NULL);
95        SkAutoTUnref<SkMallocPixelRef> pr(
96            SkMallocPixelRef::NewWithProc(info, rowBytes, NULL, addr,
97                                          delete_uint8_proc, NULL));
98        REPORTER_ASSERT(reporter, addr == pr->pixels());
99    }
100    {
101        void* addr = sk_malloc_throw(size);
102        SkAutoDataUnref data(SkData::NewFromMalloc(addr, size));
103        REPORTER_ASSERT(reporter, data.get() != NULL);
104        SkData* dataPtr = data.get();
105        REPORTER_ASSERT(reporter, dataPtr->unique());
106        SkAutoTUnref<SkMallocPixelRef> pr(
107            SkMallocPixelRef::NewWithData(info, rowBytes, NULL, data.get()));
108        REPORTER_ASSERT(reporter, !(dataPtr->unique()));
109        data.reset(NULL);
110        REPORTER_ASSERT(reporter, dataPtr->unique());
111        REPORTER_ASSERT(reporter, dataPtr->data() == pr->pixels());
112    }
113}
114