1/* 2 * Copyright (C) 2017 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 17package androidx.core.graphics 18 19import android.graphics.Matrix 20import android.graphics.Shader 21import org.junit.Assert.assertEquals 22import org.junit.Test 23 24class ShaderTest { 25 @Test 26 fun testTransform() { 27 @Suppress("DEPRECATION") 28 val shader = Shader() 29 val values = FloatArray(9) 30 val matrix = Matrix() 31 32 shader.transform { 33 setTranslate(10f, 30f) 34 } 35 36 // Now read matrix from Shader 37 shader.getLocalMatrix(matrix) 38 matrix.getValues(values) 39 40 // Assert that the values are as expected 41 assertEquals(10f, values[Matrix.MTRANS_X]) 42 assertEquals(30f, values[Matrix.MTRANS_Y]) 43 } 44} 45