11d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert/* 21d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Copyright (C) 2008 The Guava Authors 31d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 41d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Licensed under the Apache License, Version 2.0 (the "License"); 51d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * you may not use this file except in compliance with the License. 61d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * You may obtain a copy of the License at 71d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 81d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * http://www.apache.org/licenses/LICENSE-2.0 91d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 101d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Unless required by applicable law or agreed to in writing, software 111d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * distributed under the License is distributed on an "AS IS" BASIS, 121d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 131d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * See the License for the specific language governing permissions and 141d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * limitations under the License. 151d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert */ 161d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 171d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertpackage com.google.common.collect.testing.testers; 181d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 191d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport static com.google.common.collect.testing.features.CollectionSize.ZERO; 201d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 211d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport com.google.common.collect.testing.features.CollectionSize; 221d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 231d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport java.util.Arrays; 241d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 251d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert/** 261d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * A generic JUnit test which tests {@code toArray()} operations on a list. 271d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Can't be invoked directly; please see 281d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * {@link com.google.common.collect.testing.ListTestSuiteBuilder}. 291d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 301d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * <p>This class is GWT compatible. 311d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 321d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * @author Chris Povirk 331d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert */ 341d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertpublic class ListToArrayTester<E> extends AbstractListTester<E> { 351d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert // CollectionToArrayTester tests everything except ordering. 361d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 371d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testToArray_noArg() { 381d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert Object[] actual = getList().toArray(); 391d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertArrayEquals("toArray() order should match list", 401d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert createSamplesArray(), actual); 411d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 421d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 431d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @CollectionSize.Require(absent = ZERO) 441d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testToArray_tooSmall() { 451d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert Object[] actual = getList().toArray(new Object[0]); 461d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertArrayEquals("toArray(tooSmall) order should match list", 471d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert createSamplesArray(), actual); 481d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 491d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 501d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testToArray_largeEnough() { 511d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert Object[] actual = getList().toArray(new Object[getNumElements()]); 521d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertArrayEquals("toArray(largeEnough) order should match list", 531d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert createSamplesArray(), actual); 541d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 551d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 561d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert private static void assertArrayEquals(String message, Object[] expected, 571d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert Object[] actual) { 581d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertEquals(message, Arrays.asList(expected), Arrays.asList(actual)); 591d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 601d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert} 61