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.
5 #include "ppapi/tests/test_image_data.h"
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"
13 REGISTER_TEST_CASE(ImageData);
15 bool TestImageData::Init() {
16 image_data_interface_ = static_cast<const PPB_ImageData*>(
17 pp::Module::Get()->GetBrowserInterface(PPB_IMAGEDATA_INTERFACE));
18 return !!image_data_interface_;
21 void 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);
31 std::string TestImageData::TestInvalidFormat() {
32 pp::ImageData a(instance_, static_cast<PP_ImageDataFormat>(1337),
33 pp::Size(16, 16), true);
35 return "Crazy image data format accepted";
37 pp::ImageData b(instance_, static_cast<PP_ImageDataFormat>(-1),
38 pp::Size(16, 16), true);
40 return "Negative image data format accepted";
44 std::string TestImageData::SubTestFormatSupported(PP_ImageDataFormat format) {
45 if (!pp::ImageData::IsImageDataFormatSupported(format))
46 return "ImageData::IsImageDataFormatSupported(format) returned false";
50 std::string TestImageData::TestFormatSupported() {
51 ASSERT_SUBTEST_SUCCESS(SubTestFormatSupported(
52 PP_IMAGEDATAFORMAT_BGRA_PREMUL));
53 ASSERT_SUBTEST_SUCCESS(SubTestFormatSupported(
54 PP_IMAGEDATAFORMAT_RGBA_PREMUL));
58 std::string TestImageData::TestGetNativeFormat() {
59 PP_ImageDataFormat format = pp::ImageData::GetNativeImageDataFormat();
60 if (!pp::ImageData::IsImageDataFormatSupported(format))
61 return "ImageData::GetNativeImageDataFormat() returned unsupported format";
65 std::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";
70 pp::ImageData zero_height(instance_, format, pp::Size(16, 0), true);
71 if (!zero_height.is_null())
72 return "Zero height accepted";
74 pp::ImageData zero_width(instance_, format, pp::Size(0, 16), true);
75 if (!zero_width.is_null())
76 return "Zero width accepted";
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(),
84 &negative_height, PP_TRUE);
86 return "Negative height accepted";
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(),
94 &negative_width, PP_TRUE);
96 return "Negative width accepted";
101 std::string TestImageData::TestInvalidSize() {
102 ASSERT_SUBTEST_SUCCESS(SubTestInvalidSize(PP_IMAGEDATAFORMAT_BGRA_PREMUL));
103 ASSERT_SUBTEST_SUCCESS(SubTestInvalidSize(PP_IMAGEDATAFORMAT_RGBA_PREMUL));
107 std::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";
115 std::string TestImageData::TestHugeSize() {
116 ASSERT_SUBTEST_SUCCESS(SubTestHugeSize(PP_IMAGEDATAFORMAT_BGRA_PREMUL));
117 ASSERT_SUBTEST_SUCCESS(SubTestHugeSize(PP_IMAGEDATAFORMAT_RGBA_PREMUL));
121 std::string TestImageData::SubTestInitToZero(PP_ImageDataFormat format) {
124 pp::ImageData img(instance_, format, pp::Size(w, h), true);
126 return "Could not create bitmap";
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)
132 if (img.format() != format)
133 return "Wrong format";
134 if (img.stride() < w * 4)
135 return "Stride too small";
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++) {
142 return "Image data isn't entirely zero";
149 std::string TestImageData::TestInitToZero() {
150 ASSERT_SUBTEST_SUCCESS(SubTestInitToZero(PP_IMAGEDATAFORMAT_BGRA_PREMUL));
151 ASSERT_SUBTEST_SUCCESS(SubTestInitToZero(PP_IMAGEDATAFORMAT_RGBA_PREMUL));
155 std::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);
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";
166 std::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";
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";
180 ASSERT_SUBTEST_SUCCESS(SubTestIsImageData(PP_IMAGEDATAFORMAT_BGRA_PREMUL));
181 ASSERT_SUBTEST_SUCCESS(SubTestIsImageData(PP_IMAGEDATAFORMAT_RGBA_PREMUL));