1/* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not 5 * use this file except in compliance with the License. You may obtain a copy of 6 * 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, WITHOUT 12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 13 * License for the specific language governing permissions and limitations under 14 * the License. 15 */ 16package com.android.internal.util; 17 18import android.test.AndroidTestCase; 19import android.test.suitebuilder.annotation.SmallTest; 20 21@SmallTest 22public class ObjectUtilsTest extends AndroidTestCase { 23 public void testCompare() { 24 assertEquals(0, ObjectUtils.compare(null, null)); 25 assertEquals(1, ObjectUtils.compare("a", null)); 26 assertEquals(-1, ObjectUtils.compare(null, "a")); 27 28 assertEquals(0, ObjectUtils.compare("a", "a")); 29 30 assertEquals(-1, ObjectUtils.compare("a", "b")); 31 assertEquals(1, ObjectUtils.compare("b", "a")); 32 } 33} 34