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