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/*
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "modules/desktop_capture/test_utils.h"
#include <stdint.h>
#include "modules/desktop_capture/desktop_geometry.h"
#include "modules/desktop_capture/rgba_color.h"
#include "rtc_base/checks.h"
#include "test/gtest.h"
namespace webrtc {
namespace {
void PaintDesktopFrame(DesktopFrame* frame,
DesktopVector pos,
RgbaColor color) {
ASSERT_TRUE(frame);
ASSERT_TRUE(DesktopRect::MakeSize(frame->size()).Contains(pos));
*reinterpret_cast<uint32_t*>(frame->GetFrameDataAtPos(pos)) =
color.ToUInt32();
}
// A DesktopFrame implementation to store data in heap, but the stide is
// doubled.
class DoubleSizeDesktopFrame : public DesktopFrame {
public:
explicit DoubleSizeDesktopFrame(DesktopSize size);
~DoubleSizeDesktopFrame() override;
};
DoubleSizeDesktopFrame::DoubleSizeDesktopFrame(DesktopSize size)
: DesktopFrame(
size,
kBytesPerPixel * size.width() * 2,
new uint8_t[kBytesPerPixel * size.width() * size.height() * 2],
nullptr) {}
DoubleSizeDesktopFrame::~DoubleSizeDesktopFrame() {
delete[] data_;
}
} // namespace
TEST(TestUtilsTest, BasicDataEqualsCases) {
BasicDesktopFrame frame(DesktopSize(4, 4));
for (int i = 0; i < 4; i++) {
for (int j = 0; j < 4; j++) {
PaintDesktopFrame(&frame, DesktopVector(i, j), RgbaColor(4U * j + i));
}
}
ASSERT_TRUE(DesktopFrameDataEquals(frame, frame));
BasicDesktopFrame other(DesktopSize(4, 4));
for (int i = 0; i < 4; i++) {
for (int j = 0; j < 4; j++) {
PaintDesktopFrame(&other, DesktopVector(i, j), RgbaColor(4U * j + i));
}
}
ASSERT_TRUE(DesktopFrameDataEquals(frame, other));
PaintDesktopFrame(&other, DesktopVector(2, 2), RgbaColor(0U));
ASSERT_FALSE(DesktopFrameDataEquals(frame, other));
}
TEST(TestUtilsTest, DifferentSizeShouldNotEqual) {
BasicDesktopFrame frame(DesktopSize(4, 4));
for (int i = 0; i < 4; i++) {
for (int j = 0; j < 4; j++) {
PaintDesktopFrame(&frame, DesktopVector(i, j), RgbaColor(4U * j + i));
}
}
BasicDesktopFrame other(DesktopSize(2, 8));
for (int i = 0; i < 2; i++) {
for (int j = 0; j < 8; j++) {
PaintDesktopFrame(&other, DesktopVector(i, j), RgbaColor(2U * j + i));
}
}
ASSERT_FALSE(DesktopFrameDataEquals(frame, other));
}
TEST(TestUtilsTest, DifferentStrideShouldBeComparable) {
BasicDesktopFrame frame(DesktopSize(4, 4));
for (int i = 0; i < 4; i++) {
for (int j = 0; j < 4; j++) {
PaintDesktopFrame(&frame, DesktopVector(i, j), RgbaColor(4U * j + i));
}
}
ASSERT_TRUE(DesktopFrameDataEquals(frame, frame));
DoubleSizeDesktopFrame other(DesktopSize(4, 4));
for (int i = 0; i < 4; i++) {
for (int j = 0; j < 4; j++) {
PaintDesktopFrame(&other, DesktopVector(i, j), RgbaColor(4U * j + i));
}
}
ASSERT_TRUE(DesktopFrameDataEquals(frame, other));
}
} // namespace webrtc