1// Copyright (c) 2011 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "ppapi/tests/test_image_data.h"
6
7#include "ppapi/cpp/graphics_2d.h"
8#include "ppapi/cpp/image_data.h"
9#include "ppapi/cpp/instance.h"
10#include "ppapi/cpp/module.h"
11#include "ppapi/tests/testing_instance.h"
12
13REGISTER_TEST_CASE(ImageData);
14
15bool TestImageData::Init() {
16  image_data_interface_ = static_cast<const PPB_ImageData*>(
17      pp::Module::Get()->GetBrowserInterface(PPB_IMAGEDATA_INTERFACE));
18  return !!image_data_interface_;
19}
20
21void TestImageData::RunTests(const std::string& filter) {
22  RUN_TEST(InvalidFormat, filter);
23  RUN_TEST(GetNativeFormat, filter);
24  RUN_TEST(FormatSupported, filter);
25  RUN_TEST(InvalidSize, filter);
26  RUN_TEST(HugeSize, filter);
27  RUN_TEST(InitToZero, filter);
28  RUN_TEST(IsImageData, filter);
29}
30
31std::string TestImageData::TestInvalidFormat() {
32  pp::ImageData a(instance_, static_cast<PP_ImageDataFormat>(1337),
33                  pp::Size(16, 16), true);
34  if (!a.is_null())
35    return "Crazy image data format accepted";
36
37  pp::ImageData b(instance_, static_cast<PP_ImageDataFormat>(-1),
38                  pp::Size(16, 16), true);
39  if (!b.is_null())
40    return "Negative image data format accepted";
41  PASS();
42}
43
44std::string TestImageData::SubTestFormatSupported(PP_ImageDataFormat format) {
45  if (!pp::ImageData::IsImageDataFormatSupported(format))
46    return "ImageData::IsImageDataFormatSupported(format) returned false";
47  PASS();
48}
49
50std::string TestImageData::TestFormatSupported() {
51  ASSERT_SUBTEST_SUCCESS(SubTestFormatSupported(
52      PP_IMAGEDATAFORMAT_BGRA_PREMUL));
53  ASSERT_SUBTEST_SUCCESS(SubTestFormatSupported(
54      PP_IMAGEDATAFORMAT_RGBA_PREMUL));
55  PASS();
56}
57
58std::string TestImageData::TestGetNativeFormat() {
59  PP_ImageDataFormat format = pp::ImageData::GetNativeImageDataFormat();
60  if (!pp::ImageData::IsImageDataFormatSupported(format))
61    return "ImageData::GetNativeImageDataFormat() returned unsupported format";
62  PASS();
63}
64
65std::string TestImageData::SubTestInvalidSize(PP_ImageDataFormat format) {
66  pp::ImageData zero_size(instance_, format, pp::Size(0, 0), true);
67  if (!zero_size.is_null())
68    return "Zero width and height accepted";
69
70  pp::ImageData zero_height(instance_, format, pp::Size(16, 0), true);
71  if (!zero_height.is_null())
72    return "Zero height accepted";
73
74  pp::ImageData zero_width(instance_, format, pp::Size(0, 16), true);
75  if (!zero_width.is_null())
76    return "Zero width accepted";
77
78  PP_Size negative_height;
79  negative_height.width = 16;
80  negative_height.height = -2;
81  PP_Resource rsrc = image_data_interface_->Create(
82      instance_->pp_instance(),
83      format,
84      &negative_height, PP_TRUE);
85  if (rsrc)
86    return "Negative height accepted";
87
88  PP_Size negative_width;
89  negative_width.width = -2;
90  negative_width.height = 16;
91  rsrc = image_data_interface_->Create(
92      instance_->pp_instance(),
93      format,
94      &negative_width, PP_TRUE);
95  if (rsrc)
96    return "Negative width accepted";
97
98  PASS();
99}
100
101std::string TestImageData::TestInvalidSize() {
102  ASSERT_SUBTEST_SUCCESS(SubTestInvalidSize(PP_IMAGEDATAFORMAT_BGRA_PREMUL));
103  ASSERT_SUBTEST_SUCCESS(SubTestInvalidSize(PP_IMAGEDATAFORMAT_RGBA_PREMUL));
104  PASS();
105}
106
107std::string TestImageData::SubTestHugeSize(PP_ImageDataFormat format) {
108  pp::ImageData huge_size(instance_, format,
109                          pp::Size(100000000, 100000000), true);
110  if (!huge_size.is_null())
111    return "31-bit overflow size accepted";
112  PASS();
113}
114
115std::string TestImageData::TestHugeSize() {
116  ASSERT_SUBTEST_SUCCESS(SubTestHugeSize(PP_IMAGEDATAFORMAT_BGRA_PREMUL));
117  ASSERT_SUBTEST_SUCCESS(SubTestHugeSize(PP_IMAGEDATAFORMAT_RGBA_PREMUL));
118  PASS();
119}
120
121std::string TestImageData::SubTestInitToZero(PP_ImageDataFormat format) {
122  const int w = 5;
123  const int h = 6;
124  pp::ImageData img(instance_, format, pp::Size(w, h), true);
125  if (img.is_null())
126    return "Could not create bitmap";
127
128  // Basic validity checking of the bitmap. This also tests "describe" since
129  // that's where the image data object got its info from.
130  if (img.size().width() != w || img.size().height() != h)
131    return "Wrong size";
132  if (img.format() != format)
133    return "Wrong format";
134  if (img.stride() < w * 4)
135    return "Stride too small";
136
137  // Now check that everything is 0.
138  for (int y = 0; y < h; y++) {
139    uint32_t* row = img.GetAddr32(pp::Point(0, y));
140    for (int x = 0; x < w; x++) {
141      if (row[x] != 0)
142        return "Image data isn't entirely zero";
143    }
144  }
145
146  PASS();
147}
148
149std::string TestImageData::TestInitToZero() {
150  ASSERT_SUBTEST_SUCCESS(SubTestInitToZero(PP_IMAGEDATAFORMAT_BGRA_PREMUL));
151  ASSERT_SUBTEST_SUCCESS(SubTestInitToZero(PP_IMAGEDATAFORMAT_RGBA_PREMUL));
152  PASS();
153}
154
155std::string TestImageData::SubTestIsImageData(PP_ImageDataFormat format) {
156  // Make a valid image resource.
157  const int w = 16, h = 16;
158  pp::ImageData img(instance_, format, pp::Size(w, h), true);
159  if (img.is_null())
160    return "Couldn't create image data";
161  if (!image_data_interface_->IsImageData(img.pp_resource()))
162    return "Image data should be identified as an image";
163  PASS();
164}
165
166std::string TestImageData::TestIsImageData() {
167  // Test that a NULL resource isn't an image data.
168  pp::Resource null_resource;
169  if (image_data_interface_->IsImageData(null_resource.pp_resource()))
170    return "Null resource was reported as a valid image";
171
172  // Make another resource type and test it.
173  const int w = 16, h = 16;
174  pp::Graphics2D device(instance_, pp::Size(w, h), true);
175  if (device.is_null())
176    return "Couldn't create device context";
177  if (image_data_interface_->IsImageData(device.pp_resource()))
178    return "Device context was reported as an image";
179
180  ASSERT_SUBTEST_SUCCESS(SubTestIsImageData(PP_IMAGEDATAFORMAT_BGRA_PREMUL));
181  ASSERT_SUBTEST_SUCCESS(SubTestIsImageData(PP_IMAGEDATAFORMAT_RGBA_PREMUL));
182  PASS();
183}
184