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 22 using namespace android::uirenderer; 23 24 TEST(Matrix, mapRect_emptyScaleSkew) { 25 // Skew, so we don't hit identity/translate/simple fast paths 26 Matrix4 scaleMatrix; 27 scaleMatrix.loadScale(10, 10, 1); 28 scaleMatrix.skew(0.1f, 0.1f); 29 30 // non-zero empty rect, so sorting x/y would make rect non-empty 31 Rect empty(15, 20, 15, 100); 32 ASSERT_TRUE(empty.isEmpty()); 33 scaleMatrix.mapRect(empty); 34 EXPECT_EQ(Rect(170, 215, 250, 1015), empty); 35 EXPECT_FALSE(empty.isEmpty()) 36 << "Empty 'line' rect doesn't remain empty when skewed."; 37 } 38 39 TEST(Matrix, mapRect_emptyRotate) { 40 // Skew, so we don't hit identity/translate/simple fast paths 41 Matrix4 skewMatrix; 42 skewMatrix.loadRotate(45); 43 44 // non-zero empty rect, so sorting x/y would make rect non-empty 45 Rect lineRect(0, 100); 46 ASSERT_TRUE(lineRect.isEmpty()); 47 skewMatrix.mapRect(lineRect); 48 EXPECT_FALSE(lineRect.isEmpty()) 49 << "Empty 'line' rect doesn't remain empty when rotated."; 50 } 51
