1/* 2 * Copyright (C) 2008 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 17package libcore.java.util; 18 19import junit.framework.TestCase; 20 21import java.util.AbstractSequentialList; 22import java.util.AbstractSet; 23import java.util.Collection; 24import java.util.Iterator; 25import java.util.Vector; 26 27public class OldAbstractSetTest extends TestCase { 28 29 class Mock_AbstractSet extends AbstractSet{ 30 31 @Override 32 public Iterator iterator() { 33 return new Iterator() { 34 public boolean hasNext() { 35 return false; 36 } 37 38 public Object next() { 39 return null; 40 } 41 42 public void remove() { 43 } 44 }; 45 } 46 47 @Override 48 public int size() { 49 return 0; 50 } 51 } 52 53 public void testHashCode() { 54 AbstractSet as = new Mock_AbstractSet(); 55 assertNotNull(as.hashCode()); 56 } 57 58 public void testEquals() { 59 AbstractSet as1 = new Mock_AbstractSet(); 60 AbstractSet as2 = new Mock_AbstractSet(); 61 62 assertTrue(as1.equals(as2)); 63 } 64 65 public void testRemoveAll() { 66 AbstractSet as = new AbstractSet(){ 67 @Override 68 public Iterator iterator() { 69 return new Iterator() { 70 public boolean hasNext() { 71 return true; 72 } 73 74 public Object next() { 75 return null; 76 } 77 78 public void remove() { 79 throw new UnsupportedOperationException(); 80 } 81 82 }; 83 } 84 85 @Override 86 public int size() { 87 return 10; 88 } 89 }; 90 91 try { 92 as.removeAll(null); 93 fail("NullPointerException expected"); 94 } catch (NullPointerException e) { 95 //expected 96 } 97 Collection c = new Vector(); 98 c.add(null); 99 try { 100 as.removeAll(c); 101 fail("UnsupportedOperationException expected"); 102 } catch (UnsupportedOperationException e) { 103 //expected 104 } 105 106 as = new Mock_AbstractSet(); 107 108 as.removeAll(c); 109 } 110} 111