| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.ahat; |
| |
| import com.android.ahat.heapdump.DiffFields; |
| import com.android.ahat.heapdump.DiffedFieldValue; |
| import com.android.ahat.heapdump.FieldValue; |
| import com.android.ahat.heapdump.Value; |
| import java.util.ArrayList; |
| import java.util.List; |
| import org.junit.Test; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNull; |
| |
| public class DiffFieldsTest { |
| @Test |
| public void normalMatchedDiffedFieldValues() { |
| FieldValue normal1 = new FieldValue("name", "type", Value.pack(1)); |
| FieldValue normal2 = new FieldValue("name", "type", Value.pack(2)); |
| |
| DiffedFieldValue x = DiffedFieldValue.matched(normal1, normal2); |
| assertEquals("name", x.name); |
| assertEquals("type", x.type); |
| assertEquals(Value.pack(1), x.current); |
| assertEquals(Value.pack(2), x.baseline); |
| assertEquals(DiffedFieldValue.Status.MATCHED, x.status); |
| } |
| |
| @Test |
| public void nulledMatchedDiffedFieldValues() { |
| FieldValue normal = new FieldValue("name", "type", Value.pack(1)); |
| FieldValue nulled = new FieldValue("name", "type", null); |
| |
| DiffedFieldValue x = DiffedFieldValue.matched(normal, nulled); |
| assertEquals("name", x.name); |
| assertEquals("type", x.type); |
| assertEquals(Value.pack(1), x.current); |
| assertNull(x.baseline); |
| assertEquals(DiffedFieldValue.Status.MATCHED, x.status); |
| |
| DiffedFieldValue y = DiffedFieldValue.matched(nulled, normal); |
| assertEquals("name", y.name); |
| assertEquals("type", y.type); |
| assertNull(y.current); |
| assertEquals(Value.pack(1), y.baseline); |
| assertEquals(DiffedFieldValue.Status.MATCHED, y.status); |
| } |
| |
| @Test |
| public void normalAddedDiffedFieldValues() { |
| FieldValue normal = new FieldValue("name", "type", Value.pack(1)); |
| |
| DiffedFieldValue x = DiffedFieldValue.added(normal); |
| assertEquals("name", x.name); |
| assertEquals("type", x.type); |
| assertEquals(Value.pack(1), x.current); |
| assertEquals(DiffedFieldValue.Status.ADDED, x.status); |
| } |
| |
| @Test |
| public void nulledAddedDiffedFieldValues() { |
| FieldValue nulled = new FieldValue("name", "type", null); |
| |
| DiffedFieldValue x = DiffedFieldValue.added(nulled); |
| assertEquals("name", x.name); |
| assertEquals("type", x.type); |
| assertNull(x.current); |
| assertEquals(DiffedFieldValue.Status.ADDED, x.status); |
| } |
| |
| @Test |
| public void normalDeletedDiffedFieldValues() { |
| FieldValue normal = new FieldValue("name", "type", Value.pack(1)); |
| |
| DiffedFieldValue x = DiffedFieldValue.deleted(normal); |
| assertEquals("name", x.name); |
| assertEquals("type", x.type); |
| assertEquals(Value.pack(1), x.baseline); |
| assertEquals(DiffedFieldValue.Status.DELETED, x.status); |
| } |
| |
| @Test |
| public void nulledDeletedDiffedFieldValues() { |
| FieldValue nulled = new FieldValue("name", "type", null); |
| |
| DiffedFieldValue x = DiffedFieldValue.deleted(nulled); |
| assertEquals("name", x.name); |
| assertEquals("type", x.type); |
| assertNull(x.baseline); |
| assertEquals(DiffedFieldValue.Status.DELETED, x.status); |
| } |
| |
| @Test |
| public void basicDiff() { |
| List<FieldValue> a = new ArrayList<FieldValue>(); |
| a.add(new FieldValue("n0", "t0", null)); |
| a.add(new FieldValue("n2", "t2", null)); |
| a.add(new FieldValue("n3", "t3", null)); |
| a.add(new FieldValue("n4", "t4", null)); |
| a.add(new FieldValue("n5", "t5", null)); |
| a.add(new FieldValue("n6", "t6", null)); |
| |
| List<FieldValue> b = new ArrayList<FieldValue>(); |
| b.add(new FieldValue("n0", "t0", null)); |
| b.add(new FieldValue("n1", "t1", null)); |
| b.add(new FieldValue("n2", "t2", null)); |
| b.add(new FieldValue("n3", "t3", null)); |
| b.add(new FieldValue("n5", "t5", null)); |
| b.add(new FieldValue("n6", "t6", null)); |
| b.add(new FieldValue("n7", "t7", null)); |
| |
| // Note: The expected result makes assumptions about the implementation of |
| // field diff to match the order of the returned fields. If the |
| // implementation changes, this test may need to be generalized to accept |
| // the new implementation. |
| List<DiffedFieldValue> expected = new ArrayList<DiffedFieldValue>(); |
| expected.add(DiffedFieldValue.matched(a.get(0), b.get(0))); |
| expected.add(DiffedFieldValue.deleted(b.get(1))); |
| expected.add(DiffedFieldValue.matched(a.get(1), b.get(2))); |
| expected.add(DiffedFieldValue.matched(a.get(2), b.get(3))); |
| expected.add(DiffedFieldValue.added(a.get(3))); |
| expected.add(DiffedFieldValue.matched(a.get(4), b.get(4))); |
| expected.add(DiffedFieldValue.matched(a.get(5), b.get(5))); |
| expected.add(DiffedFieldValue.deleted(b.get(6))); |
| |
| List<DiffedFieldValue> diffed = DiffFields.diff(a, b); |
| assertEquals(expected, diffed); |
| } |
| |
| @Test |
| public void reorderedDiff() { |
| List<FieldValue> a = new ArrayList<FieldValue>(); |
| a.add(new FieldValue("n0", "t0", null)); |
| a.add(new FieldValue("n1", "t1", null)); |
| a.add(new FieldValue("n2", "t2", null)); |
| a.add(new FieldValue("n3", "t3", null)); |
| a.add(new FieldValue("n4", "t4", null)); |
| a.add(new FieldValue("n5", "t5", null)); |
| a.add(new FieldValue("n6", "t6", null)); |
| |
| List<FieldValue> b = new ArrayList<FieldValue>(); |
| b.add(new FieldValue("n4", "t4", null)); |
| b.add(new FieldValue("n1", "t1", null)); |
| b.add(new FieldValue("n3", "t3", null)); |
| b.add(new FieldValue("n0", "t0", null)); |
| b.add(new FieldValue("n5", "t5", null)); |
| b.add(new FieldValue("n2", "t2", null)); |
| b.add(new FieldValue("n6", "t6", null)); |
| |
| // Note: The expected result makes assumptions about the implementation of |
| // field diff to match the order of the returned fields. If the |
| // implementation changes, this test may need to be generalized to accept |
| // the new implementation. |
| List<DiffedFieldValue> expected = new ArrayList<DiffedFieldValue>(); |
| expected.add(DiffedFieldValue.matched(a.get(0), b.get(3))); |
| expected.add(DiffedFieldValue.matched(a.get(1), b.get(1))); |
| expected.add(DiffedFieldValue.matched(a.get(2), b.get(5))); |
| expected.add(DiffedFieldValue.matched(a.get(3), b.get(2))); |
| expected.add(DiffedFieldValue.matched(a.get(4), b.get(0))); |
| expected.add(DiffedFieldValue.matched(a.get(5), b.get(4))); |
| expected.add(DiffedFieldValue.matched(a.get(6), b.get(6))); |
| |
| List<DiffedFieldValue> diffed = DiffFields.diff(a, b); |
| assertEquals(expected, diffed); |
| } |
| } |