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// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ppapi/tests/test_image_data.h"
#include "ppapi/cpp/graphics_2d.h"
#include "ppapi/cpp/image_data.h"
#include "ppapi/cpp/instance.h"
#include "ppapi/cpp/module.h"
#include "ppapi/tests/testing_instance.h"
REGISTER_TEST_CASE(ImageData);
bool TestImageData::Init() {
image_data_interface_ = reinterpret_cast<PPB_ImageData const*>(
pp::Module::Get()->GetBrowserInterface(PPB_IMAGEDATA_INTERFACE));
return !!image_data_interface_;
}
void TestImageData::RunTest() {
instance_->LogTest("InvalidFormat", TestInvalidFormat());
instance_->LogTest("InvalidSize", TestInvalidSize());
instance_->LogTest("HugeSize", TestHugeSize());
instance_->LogTest("InitToZero", TestInitToZero());
instance_->LogTest("IsImageData", TestIsImageData());
}
std::string TestImageData::TestInvalidFormat() {
pp::ImageData a(instance_, static_cast<PP_ImageDataFormat>(1337),
pp::Size(16, 16), true);
if (!a.is_null())
return "Crazy image data format accepted";
pp::ImageData b(instance_, static_cast<PP_ImageDataFormat>(-1),
pp::Size(16, 16), true);
if (!b.is_null())
return "Negative image data format accepted";
PASS();
}
std::string TestImageData::TestInvalidSize() {
pp::ImageData zero_size(instance_, PP_IMAGEDATAFORMAT_BGRA_PREMUL,
pp::Size(0, 0), true);
if (!zero_size.is_null())
return "Zero width and height accepted";
pp::ImageData zero_height(instance_, PP_IMAGEDATAFORMAT_BGRA_PREMUL,
pp::Size(16, 0), true);
if (!zero_height.is_null())
return "Zero height accepted";
pp::ImageData zero_width(instance_, PP_IMAGEDATAFORMAT_BGRA_PREMUL,
pp::Size(0, 16), true);
if (!zero_width.is_null())
return "Zero width accepted";
PP_Size negative_height;
negative_height.width = 16;
negative_height.height = -2;
PP_Resource rsrc = image_data_interface_->Create(
pp::Module::Get()->pp_module(),
PP_IMAGEDATAFORMAT_BGRA_PREMUL,
&negative_height, PP_TRUE);
if (rsrc)
return "Negative height accepted";
PP_Size negative_width;
negative_width.width = -2;
negative_width.height = 16;
rsrc = image_data_interface_->Create(
pp::Module::Get()->pp_module(),
PP_IMAGEDATAFORMAT_BGRA_PREMUL,
&negative_width, PP_TRUE);
if (rsrc)
return "Negative width accepted";
PASS();
}
std::string TestImageData::TestHugeSize() {
pp::ImageData huge_size(instance_, PP_IMAGEDATAFORMAT_BGRA_PREMUL,
pp::Size(100000000, 100000000), true);
if (!huge_size.is_null())
return "31-bit overflow size accepted";
PASS();
}
std::string TestImageData::TestInitToZero() {
const int w = 5;
const int h = 6;
pp::ImageData img(instance_, PP_IMAGEDATAFORMAT_BGRA_PREMUL,
pp::Size(w, h), true);
if (img.is_null())
return "Could not create bitmap";
// Basic validity checking of the bitmap. This also tests "describe" since
// that's where the image data object got its imfo from.
if (img.size().width() != w || img.size().height() != h)
return "Wrong size";
if (img.format() != PP_IMAGEDATAFORMAT_BGRA_PREMUL)
return "Wrong format";
if (img.stride() < w * 4)
return "Stride too small";
// Now check that everything is 0.
for (int y = 0; y < h; y++) {
uint32_t* row = img.GetAddr32(pp::Point(0, y));
for (int x = 0; x < w; x++) {
if (row[x] != 0)
return "Image data isn't entirely zero";
}
}
PASS();
}
std::string TestImageData::TestIsImageData() {
// Test that a NULL resource isn't an image data.
pp::Resource null_resource;
if (image_data_interface_->IsImageData(null_resource.pp_resource()))
return "Null resource was reported as a valid image";
// Make another resource type and test it.
const int w = 16, h = 16;
pp::Graphics2D device(instance_, pp::Size(w, h), true);
if (device.is_null())
return "Couldn't create device context";
if (image_data_interface_->IsImageData(device.pp_resource()))
return "Device context was reported as an image";
// Make a valid image resource.
pp::ImageData img(instance_, PP_IMAGEDATAFORMAT_BGRA_PREMUL,
pp::Size(w, h), true);
if (img.is_null())
return "Couldn't create image data";
if (!image_data_interface_->IsImageData(img.pp_resource()))
return "Image data should be identified as an image";
PASS();
}
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