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// Copyright 2020 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.
#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_TRANSFORMS_TRANSFORMATION_MATRIX_TEST_HELPERS_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_TRANSFORMS_TRANSFORMATION_MATRIX_TEST_HELPERS_H_
#include "cc/test/geometry_test_utils.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gfx/transform.h"
namespace blink {
// Allow non-zero tolerance when comparing floating point results to
// accommodate precision errors.
constexpr double kFloatingPointErrorTolerance = 1e-6;
#define EXPECT_TRANSFORMATION_MATRIX(expected, actual) \
do { \
SCOPED_TRACE(""); \
cc::ExpectTransformationMatrixNear( \
TransformationMatrix::ToTransform(expected), \
TransformationMatrix::ToTransform(actual), \
kFloatingPointErrorTolerance); \
} while (false)
#define EXPECT_FLOAT(expected, actual) \
EXPECT_NEAR(expected, actual, kFloatingPointErrorTolerance)
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_TRANSFORMS_TRANSFORMATION_MATRIX_TEST_HELPERS_H_
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