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 17 package android.util.cts; 18 19 import static org.junit.Assert.assertEquals; 20 21 import android.util.MathUtils; 22 23 import androidx.test.filters.SmallTest; 24 import androidx.test.runner.AndroidJUnit4; 25 26 import org.junit.Test; 27 import org.junit.runner.RunWith; 28 29 @SmallTest 30 @RunWith(AndroidJUnit4.class) 31 public class MathUtilsTest { 32 33 @Test testMap()34 public void testMap() { 35 // converting to int since assertEquals can't compare floats 36 int result = (int) MathUtils.map(0, 1, 0, 100, 0.5f); 37 assertEquals("Half of 0..100 should be 50", result, 50); 38 } 39 } 40