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/*
* 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.AhatHeap;
import com.android.ahat.heapdump.AhatInstance;
import java.io.IOException;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
public class DiffTest {
@Test
public void diffMatchedHeap() throws IOException {
TestDump dump = TestDump.getTestDump();
AhatHeap a = dump.getAhatSnapshot().getHeap("app");
assertNotNull(a);
AhatHeap b = dump.getBaselineAhatSnapshot().getHeap("app");
assertNotNull(b);
assertEquals(a.getBaseline(), b);
assertEquals(b.getBaseline(), a);
}
@Test
public void diffUnchanged() throws IOException {
TestDump dump = TestDump.getTestDump();
AhatInstance a = dump.getDumpedAhatInstance("unchangedObject");
assertNotNull(a);
AhatInstance b = dump.getBaselineDumpedAhatInstance("unchangedObject");
assertNotNull(b);
assertEquals(a, b.getBaseline());
assertEquals(b, a.getBaseline());
assertEquals(a.getSite(), b.getSite().getBaseline());
assertEquals(b.getSite(), a.getSite().getBaseline());
}
@Test
public void diffAdded() throws IOException {
TestDump dump = TestDump.getTestDump();
AhatInstance a = dump.getDumpedAhatInstance("addedObject");
assertNotNull(a);
assertNull(dump.getBaselineDumpedAhatInstance("addedObject"));
assertTrue(a.getBaseline().isPlaceHolder());
}
@Test
public void diffRemoved() throws IOException {
TestDump dump = TestDump.getTestDump();
assertNull(dump.getDumpedAhatInstance("removedObject"));
AhatInstance b = dump.getBaselineDumpedAhatInstance("removedObject");
assertNotNull(b);
assertTrue(b.getBaseline().isPlaceHolder());
}
@Test
public void diffClassRemoved() throws IOException {
TestDump dump = TestDump.getTestDump("O.hprof", "L.hprof", null);
AhatHandler handler = new ObjectsHandler(dump.getAhatSnapshot());
TestHandler.testNoCrash(handler, "http://localhost:7100/objects?class=java.lang.Class");
}
}
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