001/* 002 * Copyright (C) 2008 The Guava Authors 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package com.google.common.collect.testing.testers; 018 019import static com.google.common.collect.testing.features.CollectionFeature.KNOWN_ORDER; 020import static com.google.common.collect.testing.features.CollectionFeature.SUPPORTS_REMOVE; 021import static com.google.common.collect.testing.features.CollectionSize.ONE; 022import static com.google.common.collect.testing.features.CollectionSize.SEVERAL; 023import static com.google.common.collect.testing.features.CollectionSize.ZERO; 024 025import com.google.common.annotations.GwtCompatible; 026import com.google.common.collect.testing.features.CollectionFeature; 027import com.google.common.collect.testing.features.CollectionSize; 028import java.util.NoSuchElementException; 029import org.junit.Ignore; 030 031/** 032 * A generic JUnit test which tests {@code remove()} operations on a queue. Can't be invoked 033 * directly; please see {@link com.google.common.collect.testing.CollectionTestSuiteBuilder}. 034 * 035 * @author Jared Levy 036 */ 037@SuppressWarnings("unchecked") // too many "unchecked generic array creations" 038@GwtCompatible 039@Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests. 040public class QueueRemoveTester<E> extends AbstractQueueTester<E> { 041 @CollectionFeature.Require(SUPPORTS_REMOVE) 042 @CollectionSize.Require(ZERO) 043 public void testRemove_empty() { 044 try { 045 getQueue().remove(); 046 fail("emptyQueue.remove() should throw"); 047 } catch (NoSuchElementException expected) { 048 } 049 expectUnchanged(); 050 } 051 052 @CollectionFeature.Require(SUPPORTS_REMOVE) 053 @CollectionSize.Require(ONE) 054 public void testRemove_size1() { 055 assertEquals("size1Queue.remove() should return first element", e0(), getQueue().remove()); 056 expectMissing(e0()); 057 } 058 059 @CollectionFeature.Require({KNOWN_ORDER, SUPPORTS_REMOVE}) 060 @CollectionSize.Require(SEVERAL) 061 public void testRemove_sizeMany() { 062 assertEquals("sizeManyQueue.remove() should return first element", e0(), getQueue().remove()); 063 expectMissing(e0()); 064 } 065}