49 lines
1.6 KiB
C++
49 lines
1.6 KiB
C++
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/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <gtest/gtest.h>
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#include "Matrix.h"
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#include "Rect.h"
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using namespace android::uirenderer;
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TEST(Matrix, mapRect_emptyScaleSkew) {
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// Skew, so we don't hit identity/translate/simple fast paths
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Matrix4 scaleMatrix;
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scaleMatrix.loadScale(10, 10, 1);
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scaleMatrix.skew(0.1f, 0.1f);
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// non-zero empty rect, so sorting x/y would make rect non-empty
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Rect empty(15, 20, 15, 100);
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ASSERT_TRUE(empty.isEmpty());
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scaleMatrix.mapRect(empty);
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EXPECT_EQ(Rect(170, 215, 250, 1015), empty);
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EXPECT_FALSE(empty.isEmpty()) << "Empty 'line' rect doesn't remain empty when skewed.";
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}
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TEST(Matrix, mapRect_emptyRotate) {
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// Skew, so we don't hit identity/translate/simple fast paths
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Matrix4 skewMatrix;
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skewMatrix.loadRotate(45);
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// non-zero empty rect, so sorting x/y would make rect non-empty
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Rect lineRect(0, 100);
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ASSERT_TRUE(lineRect.isEmpty());
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skewMatrix.mapRect(lineRect);
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EXPECT_FALSE(lineRect.isEmpty()) << "Empty 'line' rect doesn't remain empty when rotated.";
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}
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