001/* 002 * Copyright (C) 2015 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.CollectionSize.ZERO; 020import static com.google.common.collect.testing.features.ListFeature.SUPPORTS_SET; 021import static com.google.common.collect.testing.testers.ReflectionFreeAssertThrows.assertThrows; 022import static java.util.Collections.nCopies; 023 024import com.google.common.annotations.GwtCompatible; 025import com.google.common.collect.testing.features.CollectionSize; 026import com.google.common.collect.testing.features.ListFeature; 027import java.util.List; 028import org.junit.Ignore; 029 030/** 031 * A generic JUnit test which tests {@link List#replaceAll}. Can't be invoked directly; please see 032 * {@link com.google.common.collect.testing.ListTestSuiteBuilder}. 033 * 034 * @author Louis Wasserman 035 */ 036@GwtCompatible 037@Ignore("test runners must not instantiate and run this directly, only via suites we build") 038// @Ignore affects the Android test runner, which respects JUnit 4 annotations on JUnit 3 tests. 039@SuppressWarnings("JUnit4ClassUsedInJUnit3") 040public class ListReplaceAllTester<E> extends AbstractListTester<E> { 041 @ListFeature.Require(SUPPORTS_SET) 042 public void testReplaceAll() { 043 getList().replaceAll(e -> samples.e3()); 044 expectContents(nCopies(getNumElements(), samples.e3())); 045 } 046 047 @ListFeature.Require(SUPPORTS_SET) 048 public void testReplaceAll_changesSome() { 049 getList().replaceAll(e -> e.equals(samples.e0()) ? samples.e3() : e); 050 E[] expected = createSamplesArray(); 051 for (int i = 0; i < expected.length; i++) { 052 if (expected[i].equals(samples.e0())) { 053 expected[i] = samples.e3(); 054 } 055 } 056 expectContents(expected); 057 } 058 059 @CollectionSize.Require(absent = ZERO) 060 @ListFeature.Require(absent = SUPPORTS_SET) 061 public void testReplaceAll_unsupported() { 062 assertThrows(UnsupportedOperationException.class, () -> getList().replaceAll(e -> e)); 063 expectUnchanged(); 064 } 065}