1/* 2 * Copyright (C) 2007 The Guava Authors 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 com.google.common.collect; 18 19import com.google.common.annotations.GwtCompatible; 20import com.google.common.collect.testing.MapInterfaceTest; 21import com.google.common.collect.testing.SortedMapInterfaceTest; 22 23import java.util.SortedMap; 24import java.util.TreeMap; 25 26/** 27 * Tests for {@link ForwardingSortedMap} using {@link MapInterfaceTest}. 28 * 29 * @author George van den Driessche 30 */ 31@GwtCompatible 32public class ForwardingSortedMapImplementsMapTest 33 extends SortedMapInterfaceTest<String, Integer> { 34 35 private static class SimpleForwardingSortedMap<K, V> 36 extends ForwardingSortedMap<K, V> { 37 final SortedMap<K, V> delegate; 38 SimpleForwardingSortedMap(SortedMap<K, V> delegate) { 39 this.delegate = delegate; 40 } 41 @Override protected SortedMap<K, V> delegate() { 42 return delegate; 43 } 44 } 45 46 public ForwardingSortedMapImplementsMapTest() { 47 super(true, true, true, true, true); 48 } 49 50 @Override protected SortedMap<String, Integer> makeEmptyMap() { 51 return new SimpleForwardingSortedMap<String, Integer>( 52 new TreeMap<String, Integer>(Ordering.natural().nullsFirst())); 53 } 54 55 @Override protected SortedMap<String, Integer> makePopulatedMap() { 56 final SortedMap<String, Integer> sortedMap = makeEmptyMap(); 57 sortedMap.put("one", 1); 58 sortedMap.put("two", 2); 59 sortedMap.put("three", 3); 60 return sortedMap; 61 } 62 63 @Override protected String getKeyNotInPopulatedMap() 64 throws UnsupportedOperationException { 65 return "minus one"; 66 } 67 68 @Override protected Integer getValueNotInPopulatedMap() 69 throws UnsupportedOperationException { 70 return -1; 71 } 72 73 @Override public void testContainsKey() { 74 try { 75 super.testContainsKey(); 76 } catch (ClassCastException tolerated) { 77 } 78 } 79 80 @Override public void testEntrySetContainsEntryIncompatibleKey() { 81 try { 82 super.testEntrySetContainsEntryIncompatibleKey(); 83 } catch (ClassCastException tolerated) { 84 } 85 } 86 87 @Override public void testEntrySetRemoveAllNullFromEmpty() { 88 try { 89 super.testEntrySetRemoveAllNullFromEmpty(); 90 } catch (RuntimeException tolerated) { 91 // GWT's TreeMap.entrySet().removeAll(null) doesn't throws NPE. 92 } 93 } 94 95 @Override public void testEntrySetRetainAllNullFromEmpty() { 96 try { 97 super.testEntrySetRetainAllNullFromEmpty(); 98 } catch (RuntimeException tolerated) { 99 // GWT's TreeMap.entrySet().retainAll(null) doesn't throws NPE. 100 } 101 } 102 103 @Override public void testKeySetRemoveAllNullFromEmpty() { 104 try { 105 super.testKeySetRemoveAllNullFromEmpty(); 106 } catch (RuntimeException tolerated) { 107 // GWT's TreeMap.keySet().removeAll(null) doesn't throws NPE. 108 } 109 } 110 111 @Override public void testKeySetRetainAllNullFromEmpty() { 112 try { 113 super.testKeySetRetainAllNullFromEmpty(); 114 } catch (RuntimeException tolerated) { 115 // GWT's TreeMap.keySet().retainAll(null) doesn't throws NPE. 116 } 117 } 118 119 @Override public void testValuesRemoveAllNullFromEmpty() { 120 try { 121 super.testValuesRemoveAllNullFromEmpty(); 122 } catch (RuntimeException tolerated) { 123 // GWT's TreeMap.values().removeAll(null) doesn't throws NPE. 124 } 125 } 126 127 @Override public void testValuesRetainAllNullFromEmpty() { 128 try { 129 super.testValuesRemoveAllNullFromEmpty(); 130 } catch (RuntimeException tolerated) { 131 // GWT's TreeMap.values().retainAll(null) doesn't throws NPE. 132 } 133 } 134} 135