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 17 package com.google.common.collect.testing.testers; 18 19 import com.google.common.annotations.GwtCompatible; 20 import com.google.common.collect.testing.AbstractCollectionTester; 21 22 /** 23 * Tests {@link java.util.Collection#equals}. 24 * 25 * @author George van den Driessche 26 */ 27 @GwtCompatible 28 public class CollectionEqualsTester<E> extends AbstractCollectionTester<E> { 29 public void testEquals_self() { 30 assertTrue("An Object should be equal to itself.", 31 collection.equals(collection)); 32 } 33 34 public void testEquals_null() { 35 //noinspection ObjectEqualsNull 36 assertFalse("An object should not be equal to null.", 37 collection.equals(null)); 38 } 39 40 public void testEquals_notACollection() { 41 //noinspection EqualsBetweenInconvertibleTypes 42 assertFalse("A Collection should never equal an " 43 + "object that is not a Collection.", 44 collection.equals("huh?")); 45 } 46 } 47
