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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/compositor/test/test_utils.h"
#include "base/cancelable_callback.h"
#include "base/run_loop.h"
#include "base/test/bind.h"
#include "base/timer/timer.h"
#include "components/viz/common/frame_timing_details.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/compositor/compositor.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/geometry/rounded_corners_f.h"
#include "ui/gfx/geometry/transform.h"
namespace ui {
// TODO(avallee): Use macros in ui/gfx/geometry/test/geometry_util.h.
void CheckApproximatelyEqual(const gfx::Transform& lhs,
const gfx::Transform& rhs) {
unsigned int errors = 0;
for (int i = 0; i < 4; ++i) {
for (int j = 0; j < 4; ++j) {
EXPECT_FLOAT_EQ(lhs.rc(i, j), rhs.rc(i, j))
<< "(i, j) = (" << i << ", " << j << "), error count: " << ++errors;
}
}
if (errors) {
ADD_FAILURE() << "Expected matrix:\n"
<< lhs.ToString() << "\n"
<< "Actual matrix:\n"
<< rhs.ToString();
}
}
void CheckApproximatelyEqual(const gfx::Rect& lhs, const gfx::Rect& rhs) {
EXPECT_FLOAT_EQ(lhs.x(), rhs.x());
EXPECT_FLOAT_EQ(lhs.y(), rhs.y());
EXPECT_FLOAT_EQ(lhs.width(), rhs.width());
EXPECT_FLOAT_EQ(lhs.height(), rhs.height());
}
void CheckApproximatelyEqual(const gfx::RoundedCornersF& lhs,
const gfx::RoundedCornersF& rhs) {
EXPECT_FLOAT_EQ(lhs.upper_left(), rhs.upper_left());
EXPECT_FLOAT_EQ(lhs.upper_right(), rhs.upper_right());
EXPECT_FLOAT_EQ(lhs.lower_left(), rhs.lower_left());
EXPECT_FLOAT_EQ(lhs.lower_right(), rhs.lower_right());
}
bool WaitForNextFrameToBePresented(ui::Compositor* compositor,
std::optional<base::TimeDelta> timeout) {
bool frames_presented = false;
base::RunLoop runloop;
base::CancelableOnceCallback<void(
const viz::FrameTimingDetails& frame_timing_details)>
cancelable_callback(base::BindLambdaForTesting(
[&](const viz::FrameTimingDetails& frame_timing_details) {
frames_presented = true;
runloop.Quit();
}));
compositor->RequestSuccessfulPresentationTimeForNextFrame(
cancelable_callback.callback());
std::optional<base::OneShotTimer> timer;
if (timeout.has_value()) {
timer.emplace();
timer->Start(FROM_HERE, timeout.value(), runloop.QuitClosure());
}
runloop.Run();
return frames_presented;
}
} // namespace ui
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