MatrixTests.cpp revision 261725fdb2962271c222a049fcdf57bbdc8363c7
1/* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#include <gtest/gtest.h> 18 19#include "Matrix.h" 20#include "Rect.h" 21 22using namespace android::uirenderer; 23 24TEST(Matrix, mapRect) { 25 // Skew, so we don't hit identity/translate/simple fast paths 26 Matrix4 matrix; 27 matrix.skew(0.1f, 0.1f); 28 29 // non-zero empty rect, so sorting x/y would make rect non-empty 30 Rect empty(100, 100, -100, -100); 31 ASSERT_TRUE(empty.isEmpty()); 32 matrix.mapRect(empty); 33 EXPECT_TRUE(empty.isEmpty()) 34 << "Empty rect should always remain empty, regardless of mapping."; 35} 36