Steve McKay | ef28015 | 2015-06-11 10:10:49 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2015 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.documentsui; |
| 18 | |
Steve McKay | f4c06ab | 2015-07-22 11:42:14 -0700 | [diff] [blame] | 19 | import static org.junit.Assert.*; |
Steve McKay | ef28015 | 2015-06-11 10:10:49 -0700 | [diff] [blame] | 20 | |
| 21 | import com.android.documentsui.MultiSelectManager.Selection; |
| 22 | |
| 23 | import org.junit.Before; |
| 24 | import org.junit.Test; |
| 25 | |
| 26 | public class MultiSelectManager_SelectionTest { |
| 27 | |
| 28 | private Selection selection; |
| 29 | |
| 30 | @Before |
| 31 | public void setUp() throws Exception { |
| 32 | selection = new Selection(); |
| 33 | selection.add(3); |
| 34 | selection.add(5); |
| 35 | selection.add(9); |
| 36 | } |
| 37 | |
| 38 | @Test |
| 39 | public void add() { |
| 40 | // We added in setUp. |
| 41 | assertEquals(3, selection.size()); |
| 42 | assertContains(3); |
| 43 | assertContains(5); |
| 44 | assertContains(9); |
| 45 | } |
| 46 | |
| 47 | @Test |
| 48 | public void remove() { |
| 49 | selection.remove(3); |
| 50 | selection.remove(5); |
| 51 | assertEquals(1, selection.size()); |
| 52 | assertContains(9); |
| 53 | } |
| 54 | |
| 55 | @Test |
| 56 | public void clear() { |
| 57 | selection.clear(); |
| 58 | assertEquals(0, selection.size()); |
| 59 | } |
| 60 | |
| 61 | @Test |
Steve McKay | 9459a7c | 2015-07-24 13:14:20 -0700 | [diff] [blame^] | 62 | public void isEmpty() { |
| 63 | assertTrue(new Selection().isEmpty()); |
| 64 | selection.clear(); |
| 65 | assertTrue(selection.isEmpty()); |
| 66 | } |
| 67 | |
| 68 | @Test |
Steve McKay | ef28015 | 2015-06-11 10:10:49 -0700 | [diff] [blame] | 69 | public void sizeAndGet() { |
| 70 | Selection other = new Selection(); |
| 71 | for (int i = 0; i < selection.size(); i++) { |
| 72 | other.add(selection.get(i)); |
| 73 | } |
| 74 | assertEquals(selection.size(), other.size()); |
| 75 | } |
| 76 | |
| 77 | @Test |
| 78 | public void equalsSelf() { |
| 79 | assertEquals(selection, selection); |
| 80 | } |
| 81 | |
| 82 | @Test |
| 83 | public void equalsOther() { |
| 84 | Selection other = new Selection(); |
| 85 | other.add(3); |
| 86 | other.add(5); |
| 87 | other.add(9); |
| 88 | assertEquals(selection, other); |
Steve McKay | f4c06ab | 2015-07-22 11:42:14 -0700 | [diff] [blame] | 89 | assertEquals(selection.hashCode(), other.hashCode()); |
| 90 | } |
| 91 | |
| 92 | @Test |
| 93 | public void equalsCopy() { |
| 94 | Selection other = new Selection(); |
| 95 | other.copyFrom(selection); |
| 96 | assertEquals(selection, other); |
| 97 | assertEquals(selection.hashCode(), other.hashCode()); |
| 98 | } |
| 99 | |
| 100 | @Test |
| 101 | public void notEquals() { |
| 102 | Selection other = new Selection(); |
| 103 | other.add(789); |
| 104 | assertFalse(selection.equals(other)); |
Steve McKay | ef28015 | 2015-06-11 10:10:49 -0700 | [diff] [blame] | 105 | } |
| 106 | |
| 107 | @Test |
| 108 | public void expandBefore() { |
| 109 | selection.expand(2, 10); |
| 110 | assertEquals(3, selection.size()); |
| 111 | assertContains(13); |
| 112 | assertContains(15); |
| 113 | assertContains(19); |
| 114 | } |
| 115 | |
| 116 | @Test |
| 117 | public void expandAfter() { |
| 118 | selection.expand(10, 10); |
| 119 | assertEquals(3, selection.size()); |
| 120 | assertContains(3); |
| 121 | assertContains(5); |
| 122 | assertContains(9); |
| 123 | } |
| 124 | |
| 125 | @Test |
| 126 | public void expandSplit() { |
| 127 | selection.expand(5, 10); |
| 128 | assertEquals(3, selection.size()); |
| 129 | assertContains(3); |
| 130 | assertContains(15); |
| 131 | assertContains(19); |
| 132 | } |
| 133 | |
| 134 | @Test |
| 135 | public void expandEncompased() { |
| 136 | selection.expand(2, 10); |
| 137 | assertEquals(3, selection.size()); |
| 138 | assertContains(13); |
| 139 | assertContains(15); |
| 140 | assertContains(19); |
| 141 | } |
| 142 | |
| 143 | @Test |
| 144 | public void collapseBefore() { |
| 145 | selection.collapse(0, 2); |
| 146 | assertEquals(3, selection.size()); |
| 147 | assertContains(1); |
| 148 | assertContains(3); |
| 149 | assertContains(7); |
| 150 | } |
| 151 | |
| 152 | @Test |
| 153 | public void collapseAfter() { |
| 154 | selection.collapse(10, 10); |
| 155 | assertEquals(3, selection.size()); |
| 156 | assertContains(3); |
| 157 | assertContains(5); |
| 158 | assertContains(9); |
| 159 | } |
| 160 | |
| 161 | @Test |
| 162 | public void collapseAcross() { |
| 163 | selection.collapse(0, 10); |
| 164 | assertEquals(0, selection.size()); |
| 165 | } |
| 166 | |
| 167 | private void assertContains(int i) { |
| 168 | String err = String.format("Selection %s does not contain %d", selection, i); |
| 169 | assertTrue(err, selection.contains(i)); |
| 170 | } |
| 171 | } |