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.AhatHeap; 20 import com.android.ahat.heapdump.AhatInstance; 21 import com.android.ahat.heapdump.Reachability; 22 import com.android.ahat.heapdump.Value; 23 import java.io.IOException; 24 import org.junit.Test; 25 26 import static org.junit.Assert.assertEquals; 27 import static org.junit.Assert.assertNotNull; 28 import static org.junit.Assert.assertNull; 29 import static org.junit.Assert.assertTrue; 30 31 public class DiffTest { 32 @Test diffMatchedHeap()33 public void diffMatchedHeap() throws IOException { 34 TestDump dump = TestDump.getTestDump(); 35 AhatHeap a = dump.getAhatSnapshot().getHeap("app"); 36 assertNotNull(a); 37 AhatHeap b = dump.getBaselineAhatSnapshot().getHeap("app"); 38 assertNotNull(b); 39 assertEquals(a.getBaseline(), b); 40 assertEquals(b.getBaseline(), a); 41 } 42 43 @Test diffUnchanged()44 public void diffUnchanged() throws IOException { 45 TestDump dump = TestDump.getTestDump(); 46 47 AhatInstance a = dump.getDumpedAhatInstance("unchangedObject"); 48 assertNotNull(a); 49 50 AhatInstance b = dump.getBaselineDumpedAhatInstance("unchangedObject"); 51 assertNotNull(b); 52 assertEquals(a, b.getBaseline()); 53 assertEquals(b, a.getBaseline()); 54 assertEquals(a.getSite(), b.getSite().getBaseline()); 55 assertEquals(b.getSite(), a.getSite().getBaseline()); 56 57 Value va = Value.pack(a); 58 assertEquals(b, Value.getBaseline(va).asAhatInstance()); 59 } 60 61 @Test diffAdded()62 public void diffAdded() throws IOException { 63 TestDump dump = TestDump.getTestDump(); 64 65 AhatInstance a = dump.getDumpedAhatInstance("addedObject"); 66 assertNotNull(a); 67 assertNull(dump.getBaselineDumpedAhatInstance("addedObject")); 68 assertTrue(a.getBaseline().isPlaceHolder()); 69 } 70 71 @Test diffRemoved()72 public void diffRemoved() throws IOException { 73 TestDump dump = TestDump.getTestDump(); 74 75 assertNull(dump.getDumpedAhatInstance("removedObject")); 76 AhatInstance b = dump.getBaselineDumpedAhatInstance("removedObject"); 77 assertNotNull(b); 78 assertTrue(b.getBaseline().isPlaceHolder()); 79 } 80 81 @Test diffClassRemoved()82 public void diffClassRemoved() throws IOException { 83 TestDump dump = TestDump.getTestDump("O.hprof", "L.hprof", null, Reachability.STRONG); 84 AhatHandler handler = new ObjectsHandler(dump.getAhatSnapshot()); 85 TestHandler.testNoCrash(handler, "http://localhost:7100/objects?class=java.lang.Class"); 86 } 87 } 88