1 /* 2 * Copyright (C) 2015 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.tools.perflib.heap.ClassObj; 20 import com.android.tools.perflib.heap.Heap; 21 import java.util.ArrayList; 22 import java.util.Collections; 23 import java.util.List; 24 import static org.junit.Assert.assertEquals; 25 import org.junit.Test; 26 27 public class SortTest { 28 @Test objectsInfo()29 public void objectsInfo() { 30 Heap heapA = new Heap(0xA, "A"); 31 Heap heapB = new Heap(0xB, "B"); 32 ClassObj classA = new ClassObj(0x1A, null, "classA", 0); 33 ClassObj classB = new ClassObj(0x1B, null, "classB", 0); 34 ClassObj classC = new ClassObj(0x1C, null, "classC", 0); 35 Site.ObjectsInfo infoA = new Site.ObjectsInfo(heapA, classA, 4, 14); 36 Site.ObjectsInfo infoB = new Site.ObjectsInfo(heapB, classB, 2, 15); 37 Site.ObjectsInfo infoC = new Site.ObjectsInfo(heapA, classC, 3, 13); 38 Site.ObjectsInfo infoD = new Site.ObjectsInfo(heapB, classA, 5, 12); 39 Site.ObjectsInfo infoE = new Site.ObjectsInfo(heapA, classB, 1, 11); 40 List<Site.ObjectsInfo> list = new ArrayList<Site.ObjectsInfo>(); 41 list.add(infoA); 42 list.add(infoB); 43 list.add(infoC); 44 list.add(infoD); 45 list.add(infoE); 46 47 // Sort by size. 48 Collections.sort(list, new Sort.ObjectsInfoBySize()); 49 assertEquals(infoB, list.get(0)); 50 assertEquals(infoA, list.get(1)); 51 assertEquals(infoC, list.get(2)); 52 assertEquals(infoD, list.get(3)); 53 assertEquals(infoE, list.get(4)); 54 55 // Sort by class name. 56 Collections.sort(list, new Sort.ObjectsInfoByClassName()); 57 assertEquals(classA, list.get(0).classObj); 58 assertEquals(classA, list.get(1).classObj); 59 assertEquals(classB, list.get(2).classObj); 60 assertEquals(classB, list.get(3).classObj); 61 assertEquals(classC, list.get(4).classObj); 62 63 // Sort by heap name. 64 Collections.sort(list, new Sort.ObjectsInfoByHeapName()); 65 assertEquals(heapA, list.get(0).heap); 66 assertEquals(heapA, list.get(1).heap); 67 assertEquals(heapA, list.get(2).heap); 68 assertEquals(heapB, list.get(3).heap); 69 assertEquals(heapB, list.get(4).heap); 70 71 // Sort first by class name, then by size. 72 Collections.sort(list, new Sort.WithPriority<Site.ObjectsInfo>( 73 new Sort.ObjectsInfoByClassName(), 74 new Sort.ObjectsInfoBySize())); 75 assertEquals(infoA, list.get(0)); 76 assertEquals(infoD, list.get(1)); 77 assertEquals(infoB, list.get(2)); 78 assertEquals(infoE, list.get(3)); 79 assertEquals(infoC, list.get(4)); 80 } 81 } 82