Jeff Sharkey | 94c91dc | 2013-03-06 16:25:50 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2013 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 com.android.internal.util; |
| 18 | |
dcashman | 874d0d4 | 2014-05-30 09:34:04 -0700 | [diff] [blame] | 19 | import android.test.MoreAsserts; |
| 20 | |
| 21 | import java.util.Arrays; |
Jeff Sharkey | 94c91dc | 2013-03-06 16:25:50 -0800 | [diff] [blame] | 22 | import junit.framework.TestCase; |
| 23 | |
| 24 | /** |
| 25 | * Tests for {@link ArrayUtils} |
| 26 | */ |
| 27 | public class ArrayUtilsTest extends TestCase { |
| 28 | public void testContains() throws Exception { |
| 29 | final Object A = new Object(); |
| 30 | final Object B = new Object(); |
| 31 | final Object C = new Object(); |
| 32 | final Object D = new Object(); |
| 33 | |
| 34 | assertTrue(ArrayUtils.contains(new Object[] { A, B, C }, A)); |
| 35 | assertTrue(ArrayUtils.contains(new Object[] { A, B, C }, B)); |
| 36 | assertTrue(ArrayUtils.contains(new Object[] { A, B, C }, C)); |
| 37 | assertTrue(ArrayUtils.contains(new Object[] { A, null, C }, null)); |
| 38 | |
| 39 | assertFalse(ArrayUtils.contains(new Object[] { A, B, C }, null)); |
| 40 | assertFalse(ArrayUtils.contains(new Object[] { }, null)); |
| 41 | assertFalse(ArrayUtils.contains(new Object[] { null }, A)); |
| 42 | } |
| 43 | |
| 44 | public void testIndexOf() throws Exception { |
| 45 | final Object A = new Object(); |
| 46 | final Object B = new Object(); |
| 47 | final Object C = new Object(); |
| 48 | final Object D = new Object(); |
| 49 | |
| 50 | assertEquals(0, ArrayUtils.indexOf(new Object[] { A, B, C }, A)); |
| 51 | assertEquals(1, ArrayUtils.indexOf(new Object[] { A, B, C }, B)); |
| 52 | assertEquals(2, ArrayUtils.indexOf(new Object[] { A, B, C }, C)); |
| 53 | assertEquals(-1, ArrayUtils.indexOf(new Object[] { A, B, C }, D)); |
| 54 | |
| 55 | assertEquals(-1, ArrayUtils.indexOf(new Object[] { A, B, C }, null)); |
| 56 | assertEquals(-1, ArrayUtils.indexOf(new Object[] { }, A)); |
| 57 | assertEquals(-1, ArrayUtils.indexOf(new Object[] { }, null)); |
| 58 | |
| 59 | assertEquals(0, ArrayUtils.indexOf(new Object[] { null, null }, null)); |
| 60 | assertEquals(1, ArrayUtils.indexOf(new Object[] { A, null, B }, null)); |
| 61 | assertEquals(2, ArrayUtils.indexOf(new Object[] { A, null, B }, B)); |
| 62 | } |
| 63 | |
| 64 | public void testContainsAll() throws Exception { |
| 65 | final Object A = new Object(); |
| 66 | final Object B = new Object(); |
| 67 | final Object C = new Object(); |
| 68 | |
| 69 | assertTrue(ArrayUtils.containsAll(new Object[] { C, B, A }, new Object[] { A, B, C })); |
| 70 | assertTrue(ArrayUtils.containsAll(new Object[] { A, B }, new Object[] { A })); |
| 71 | assertTrue(ArrayUtils.containsAll(new Object[] { A }, new Object[] { A })); |
| 72 | assertTrue(ArrayUtils.containsAll(new Object[] { A }, new Object[] { })); |
| 73 | assertTrue(ArrayUtils.containsAll(new Object[] { }, new Object[] { })); |
| 74 | assertTrue(ArrayUtils.containsAll(new Object[] { null }, new Object[] { })); |
| 75 | assertTrue(ArrayUtils.containsAll(new Object[] { null }, new Object[] { null })); |
| 76 | assertTrue(ArrayUtils.containsAll(new Object[] { A, null, C }, new Object[] { C, null })); |
| 77 | |
| 78 | assertFalse(ArrayUtils.containsAll(new Object[] { }, new Object[] { A })); |
| 79 | assertFalse(ArrayUtils.containsAll(new Object[] { B }, new Object[] { A })); |
| 80 | assertFalse(ArrayUtils.containsAll(new Object[] { }, new Object[] { null })); |
| 81 | assertFalse(ArrayUtils.containsAll(new Object[] { A }, new Object[] { null })); |
| 82 | } |
dcashman | 874d0d4 | 2014-05-30 09:34:04 -0700 | [diff] [blame] | 83 | |
| 84 | public void testContainsInt() throws Exception { |
| 85 | assertTrue(ArrayUtils.contains(new int[] { 1, 2, 3 }, 1)); |
| 86 | assertTrue(ArrayUtils.contains(new int[] { 1, 2, 3 }, 2)); |
| 87 | assertTrue(ArrayUtils.contains(new int[] { 1, 2, 3 }, 3)); |
| 88 | |
| 89 | assertFalse(ArrayUtils.contains(new int[] { 1, 2, 3 }, 0)); |
| 90 | assertFalse(ArrayUtils.contains(new int[] { 1, 2, 3 }, 4)); |
| 91 | assertFalse(ArrayUtils.contains(new int[] { }, 2)); |
| 92 | } |
| 93 | |
| 94 | public void testAppendInt() throws Exception { |
| 95 | MoreAsserts.assertEquals(new int[] { 1 }, |
| 96 | ArrayUtils.appendInt(null, 1)); |
| 97 | MoreAsserts.assertEquals(new int[] { 1 }, |
| 98 | ArrayUtils.appendInt(new int[] { }, 1)); |
| 99 | MoreAsserts.assertEquals(new int[] { 1, 2 }, |
| 100 | ArrayUtils.appendInt(new int[] { 1 }, 2)); |
| 101 | MoreAsserts.assertEquals(new int[] { 1, 2 }, |
| 102 | ArrayUtils.appendInt(new int[] { 1, 2 }, 1)); |
| 103 | } |
| 104 | |
| 105 | public void testRemoveInt() throws Exception { |
| 106 | assertNull(ArrayUtils.removeInt(null, 1)); |
| 107 | MoreAsserts.assertEquals(new int[] { }, |
| 108 | ArrayUtils.removeInt(new int[] { }, 1)); |
| 109 | MoreAsserts.assertEquals(new int[] { 1, 2, 3, }, |
| 110 | ArrayUtils.removeInt(new int[] { 1, 2, 3}, 4)); |
| 111 | MoreAsserts.assertEquals(new int[] { 2, 3, }, |
| 112 | ArrayUtils.removeInt(new int[] { 1, 2, 3}, 1)); |
| 113 | MoreAsserts.assertEquals(new int[] { 1, 3, }, |
| 114 | ArrayUtils.removeInt(new int[] { 1, 2, 3}, 2)); |
| 115 | MoreAsserts.assertEquals(new int[] { 1, 2, }, |
| 116 | ArrayUtils.removeInt(new int[] { 1, 2, 3}, 3)); |
| 117 | MoreAsserts.assertEquals(new int[] { 2, 3, 1 }, |
| 118 | ArrayUtils.removeInt(new int[] { 1, 2, 3, 1 }, 1)); |
| 119 | } |
| 120 | |
| 121 | public void testContainsLong() throws Exception { |
| 122 | assertTrue(ArrayUtils.contains(new long[] { 1, 2, 3 }, 1)); |
| 123 | assertTrue(ArrayUtils.contains(new long[] { 1, 2, 3 }, 2)); |
| 124 | assertTrue(ArrayUtils.contains(new long[] { 1, 2, 3 }, 3)); |
| 125 | |
| 126 | assertFalse(ArrayUtils.contains(new long[] { 1, 2, 3 }, 0)); |
| 127 | assertFalse(ArrayUtils.contains(new long[] { 1, 2, 3 }, 4)); |
| 128 | assertFalse(ArrayUtils.contains(new long[] { }, 2)); |
| 129 | } |
| 130 | |
| 131 | public void testAppendLong() throws Exception { |
| 132 | MoreAsserts.assertEquals(new long[] { 1 }, |
| 133 | ArrayUtils.appendLong(null, 1)); |
| 134 | MoreAsserts.assertEquals(new long[] { 1 }, |
| 135 | ArrayUtils.appendLong(new long[] { }, 1)); |
| 136 | MoreAsserts.assertEquals(new long[] { 1, 2 }, |
| 137 | ArrayUtils.appendLong(new long[] { 1 }, 2)); |
| 138 | MoreAsserts.assertEquals(new long[] { 1, 2 }, |
| 139 | ArrayUtils.appendLong(new long[] { 1, 2 }, 1)); |
| 140 | } |
| 141 | |
| 142 | public void testRemoveLong() throws Exception { |
| 143 | assertNull(ArrayUtils.removeLong(null, 1)); |
| 144 | MoreAsserts.assertEquals(new long[] { }, |
| 145 | ArrayUtils.removeLong(new long[] { }, 1)); |
| 146 | MoreAsserts.assertEquals(new long[] { 1, 2, 3, }, |
| 147 | ArrayUtils.removeLong(new long[] { 1, 2, 3}, 4)); |
| 148 | MoreAsserts.assertEquals(new long[] { 2, 3, }, |
| 149 | ArrayUtils.removeLong(new long[] { 1, 2, 3}, 1)); |
| 150 | MoreAsserts.assertEquals(new long[] { 1, 3, }, |
| 151 | ArrayUtils.removeLong(new long[] { 1, 2, 3}, 2)); |
| 152 | MoreAsserts.assertEquals(new long[] { 1, 2, }, |
| 153 | ArrayUtils.removeLong(new long[] { 1, 2, 3}, 3)); |
| 154 | MoreAsserts.assertEquals(new long[] { 2, 3, 1 }, |
| 155 | ArrayUtils.removeLong(new long[] { 1, 2, 3, 1 }, 1)); |
| 156 | } |
| 157 | |
Jeff Sharkey | 94c91dc | 2013-03-06 16:25:50 -0800 | [diff] [blame] | 158 | } |