Richard Uhler | d6918e3 | 2017-06-14 16:42:44 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2016 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.ahat; |
| 18 | |
| 19 | import com.android.ahat.heapdump.DiffFields; |
| 20 | import com.android.ahat.heapdump.DiffedFieldValue; |
| 21 | import com.android.ahat.heapdump.FieldValue; |
| 22 | import com.android.ahat.heapdump.Value; |
| 23 | import java.util.ArrayList; |
| 24 | import java.util.List; |
| 25 | import org.junit.Test; |
| 26 | |
| 27 | import static org.junit.Assert.assertEquals; |
| 28 | import static org.junit.Assert.assertNull; |
| 29 | |
| 30 | public class DiffFieldsTest { |
| 31 | @Test |
| 32 | public void normalMatchedDiffedFieldValues() { |
| 33 | FieldValue normal1 = new FieldValue("name", "type", new Value(1)); |
| 34 | FieldValue normal2 = new FieldValue("name", "type", new Value(2)); |
| 35 | |
| 36 | DiffedFieldValue x = DiffedFieldValue.matched(normal1, normal2); |
| 37 | assertEquals("name", x.name); |
| 38 | assertEquals("type", x.type); |
| 39 | assertEquals(new Value(1), x.current); |
| 40 | assertEquals(new Value(2), x.baseline); |
| 41 | assertEquals(DiffedFieldValue.Status.MATCHED, x.status); |
| 42 | } |
| 43 | |
| 44 | @Test |
| 45 | public void nulledMatchedDiffedFieldValues() { |
| 46 | FieldValue normal = new FieldValue("name", "type", new Value(1)); |
| 47 | FieldValue nulled = new FieldValue("name", "type", null); |
| 48 | |
| 49 | DiffedFieldValue x = DiffedFieldValue.matched(normal, nulled); |
| 50 | assertEquals("name", x.name); |
| 51 | assertEquals("type", x.type); |
| 52 | assertEquals(new Value(1), x.current); |
| 53 | assertNull(x.baseline); |
| 54 | assertEquals(DiffedFieldValue.Status.MATCHED, x.status); |
| 55 | |
| 56 | DiffedFieldValue y = DiffedFieldValue.matched(nulled, normal); |
| 57 | assertEquals("name", y.name); |
| 58 | assertEquals("type", y.type); |
| 59 | assertNull(y.current); |
| 60 | assertEquals(new Value(1), y.baseline); |
| 61 | assertEquals(DiffedFieldValue.Status.MATCHED, y.status); |
| 62 | } |
| 63 | |
| 64 | @Test |
| 65 | public void normalAddedDiffedFieldValues() { |
| 66 | FieldValue normal = new FieldValue("name", "type", new Value(1)); |
| 67 | |
| 68 | DiffedFieldValue x = DiffedFieldValue.added(normal); |
| 69 | assertEquals("name", x.name); |
| 70 | assertEquals("type", x.type); |
| 71 | assertEquals(new Value(1), x.current); |
| 72 | assertEquals(DiffedFieldValue.Status.ADDED, x.status); |
| 73 | } |
| 74 | |
| 75 | @Test |
| 76 | public void nulledAddedDiffedFieldValues() { |
| 77 | FieldValue nulled = new FieldValue("name", "type", null); |
| 78 | |
| 79 | DiffedFieldValue x = DiffedFieldValue.added(nulled); |
| 80 | assertEquals("name", x.name); |
| 81 | assertEquals("type", x.type); |
| 82 | assertNull(x.current); |
| 83 | assertEquals(DiffedFieldValue.Status.ADDED, x.status); |
| 84 | } |
| 85 | |
| 86 | @Test |
| 87 | public void normalDeletedDiffedFieldValues() { |
| 88 | FieldValue normal = new FieldValue("name", "type", new Value(1)); |
| 89 | |
| 90 | DiffedFieldValue x = DiffedFieldValue.deleted(normal); |
| 91 | assertEquals("name", x.name); |
| 92 | assertEquals("type", x.type); |
| 93 | assertEquals(new Value(1), x.baseline); |
| 94 | assertEquals(DiffedFieldValue.Status.DELETED, x.status); |
| 95 | } |
| 96 | |
| 97 | @Test |
| 98 | public void nulledDeletedDiffedFieldValues() { |
| 99 | FieldValue nulled = new FieldValue("name", "type", null); |
| 100 | |
| 101 | DiffedFieldValue x = DiffedFieldValue.deleted(nulled); |
| 102 | assertEquals("name", x.name); |
| 103 | assertEquals("type", x.type); |
| 104 | assertNull(x.baseline); |
| 105 | assertEquals(DiffedFieldValue.Status.DELETED, x.status); |
| 106 | } |
| 107 | |
| 108 | @Test |
| 109 | public void basicDiff() { |
| 110 | List<FieldValue> a = new ArrayList<FieldValue>(); |
| 111 | a.add(new FieldValue("n0", "t0", null)); |
| 112 | a.add(new FieldValue("n2", "t2", null)); |
| 113 | a.add(new FieldValue("n3", "t3", null)); |
| 114 | a.add(new FieldValue("n4", "t4", null)); |
| 115 | a.add(new FieldValue("n5", "t5", null)); |
| 116 | a.add(new FieldValue("n6", "t6", null)); |
| 117 | |
| 118 | List<FieldValue> b = new ArrayList<FieldValue>(); |
| 119 | b.add(new FieldValue("n0", "t0", null)); |
| 120 | b.add(new FieldValue("n1", "t1", null)); |
| 121 | b.add(new FieldValue("n2", "t2", null)); |
| 122 | b.add(new FieldValue("n3", "t3", null)); |
| 123 | b.add(new FieldValue("n5", "t5", null)); |
| 124 | b.add(new FieldValue("n6", "t6", null)); |
| 125 | b.add(new FieldValue("n7", "t7", null)); |
| 126 | |
| 127 | // Note: The expected result makes assumptions about the implementation of |
| 128 | // field diff to match the order of the returned fields. If the |
| 129 | // implementation changes, this test may need to be generalized to accept |
| 130 | // the new implementation. |
| 131 | List<DiffedFieldValue> expected = new ArrayList<DiffedFieldValue>(); |
| 132 | expected.add(DiffedFieldValue.matched(a.get(0), b.get(0))); |
| 133 | expected.add(DiffedFieldValue.deleted(b.get(1))); |
| 134 | expected.add(DiffedFieldValue.matched(a.get(1), b.get(2))); |
| 135 | expected.add(DiffedFieldValue.matched(a.get(2), b.get(3))); |
| 136 | expected.add(DiffedFieldValue.added(a.get(3))); |
| 137 | expected.add(DiffedFieldValue.matched(a.get(4), b.get(4))); |
| 138 | expected.add(DiffedFieldValue.matched(a.get(5), b.get(5))); |
| 139 | expected.add(DiffedFieldValue.deleted(b.get(6))); |
| 140 | |
| 141 | List<DiffedFieldValue> diffed = DiffFields.diff(a, b); |
| 142 | assertEquals(expected, diffed); |
| 143 | } |
| 144 | |
| 145 | @Test |
| 146 | public void reorderedDiff() { |
| 147 | List<FieldValue> a = new ArrayList<FieldValue>(); |
| 148 | a.add(new FieldValue("n0", "t0", null)); |
| 149 | a.add(new FieldValue("n1", "t1", null)); |
| 150 | a.add(new FieldValue("n2", "t2", null)); |
| 151 | a.add(new FieldValue("n3", "t3", null)); |
| 152 | a.add(new FieldValue("n4", "t4", null)); |
| 153 | a.add(new FieldValue("n5", "t5", null)); |
| 154 | a.add(new FieldValue("n6", "t6", null)); |
| 155 | |
| 156 | List<FieldValue> b = new ArrayList<FieldValue>(); |
| 157 | b.add(new FieldValue("n4", "t4", null)); |
| 158 | b.add(new FieldValue("n1", "t1", null)); |
| 159 | b.add(new FieldValue("n3", "t3", null)); |
| 160 | b.add(new FieldValue("n0", "t0", null)); |
| 161 | b.add(new FieldValue("n5", "t5", null)); |
| 162 | b.add(new FieldValue("n2", "t2", null)); |
| 163 | b.add(new FieldValue("n6", "t6", null)); |
| 164 | |
| 165 | // Note: The expected result makes assumptions about the implementation of |
| 166 | // field diff to match the order of the returned fields. If the |
| 167 | // implementation changes, this test may need to be generalized to accept |
| 168 | // the new implementation. |
| 169 | List<DiffedFieldValue> expected = new ArrayList<DiffedFieldValue>(); |
| 170 | expected.add(DiffedFieldValue.matched(a.get(0), b.get(3))); |
| 171 | expected.add(DiffedFieldValue.matched(a.get(1), b.get(1))); |
| 172 | expected.add(DiffedFieldValue.matched(a.get(2), b.get(5))); |
| 173 | expected.add(DiffedFieldValue.matched(a.get(3), b.get(2))); |
| 174 | expected.add(DiffedFieldValue.matched(a.get(4), b.get(0))); |
| 175 | expected.add(DiffedFieldValue.matched(a.get(5), b.get(4))); |
| 176 | expected.add(DiffedFieldValue.matched(a.get(6), b.get(6))); |
| 177 | |
| 178 | List<DiffedFieldValue> diffed = DiffFields.diff(a, b); |
| 179 | assertEquals(expected, diffed); |
| 180 | } |
| 181 | } |