11d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert/* 21d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Copyright (C) 2007 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.CollectionFeature.ALLOWS_NULL_VALUES; 201d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport static com.google.common.collect.testing.features.CollectionFeature.RESTRICTS_ELEMENTS; 211d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport static com.google.common.collect.testing.features.CollectionFeature.SUPPORTS_ADD_ALL; 221d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport static com.google.common.collect.testing.features.CollectionSize.ZERO; 231d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport static java.util.Collections.singletonList; 241d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 251d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport com.google.common.collect.testing.AbstractCollectionTester; 261d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport com.google.common.collect.testing.MinimalCollection; 271d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport com.google.common.collect.testing.features.CollectionFeature; 281d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport com.google.common.collect.testing.features.CollectionSize; 291d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 301d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport java.lang.reflect.Method; 311d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport java.util.List; 321d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 331d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert/** 341d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * A generic JUnit test which tests addAll operations on a collection. Can't be 351d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * invoked directly; please see 361d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * {@link com.google.common.collect.testing.CollectionTestSuiteBuilder}. 371d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 381d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * <p>This class is GWT compatible. 391d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 401d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * @author Chris Povirk 411d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * @author Kevin Bourrillion 421d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert */ 431d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert@SuppressWarnings("unchecked") // too many "unchecked generic array creations" 441d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertpublic class CollectionAddAllTester<E> extends AbstractCollectionTester<E> { 451d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @CollectionFeature.Require(SUPPORTS_ADD_ALL) 461d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testAddAll_supportedNothing() { 471d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertFalse("addAll(nothing) should return false", 481d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert collection.addAll(emptyCollection())); 491d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert expectUnchanged(); 501d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 511d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 521d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @CollectionFeature.Require(absent = SUPPORTS_ADD_ALL) 531d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testAddAll_unsupportedNothing() { 541d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert try { 551d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertFalse("addAll(nothing) should return false or throw", 561d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert collection.addAll(emptyCollection())); 571d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } catch (UnsupportedOperationException tolerated) { 581d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 591d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert expectUnchanged(); 601d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 611d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 621d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @CollectionFeature.Require(SUPPORTS_ADD_ALL) 631d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testAddAll_supportedNonePresent() { 641d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertTrue("addAll(nonePresent) should return true", 651d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert collection.addAll(createDisjointCollection())); 661d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert expectAdded(samples.e3, samples.e4); 671d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 681d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 691d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @CollectionFeature.Require(absent = SUPPORTS_ADD_ALL) 701d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testAddAll_unsupportedNonePresent() { 711d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert try { 721d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert collection.addAll(createDisjointCollection()); 731d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert fail("addAll(nonePresent) should throw"); 741d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } catch (UnsupportedOperationException expected) { 751d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 761d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert expectUnchanged(); 771d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert expectMissing(samples.e3, samples.e4); 781d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 791d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 801d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @CollectionFeature.Require(SUPPORTS_ADD_ALL) 811d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @CollectionSize.Require(absent = ZERO) 821d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testAddAll_supportedSomePresent() { 831d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertTrue("addAll(somePresent) should return true", 841d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert collection.addAll(MinimalCollection.of(samples.e3, samples.e0))); 851d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertTrue("should contain " + samples.e3, collection.contains(samples.e3)); 861d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertTrue("should contain " + samples.e0, collection.contains(samples.e0)); 871d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 881d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 891d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @CollectionFeature.Require(absent = SUPPORTS_ADD_ALL) 901d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @CollectionSize.Require(absent = ZERO) 911d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testAddAll_unsupportedSomePresent() { 921d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert try { 931d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert collection.addAll(MinimalCollection.of(samples.e3, samples.e0)); 941d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert fail("addAll(somePresent) should throw"); 951d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } catch (UnsupportedOperationException expected) { 961d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 971d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert expectUnchanged(); 981d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 991d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 1001d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @CollectionFeature.Require(absent = SUPPORTS_ADD_ALL) 1011d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @CollectionSize.Require(absent = ZERO) 1021d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testAddAll_unsupportedAllPresent() { 1031d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert try { 1041d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertFalse("addAll(allPresent) should return false or throw", 1051d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert collection.addAll(MinimalCollection.of(samples.e0))); 1061d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } catch (UnsupportedOperationException tolerated) { 1071d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1081d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert expectUnchanged(); 1091d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1101d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 1111d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @CollectionFeature.Require(value = {SUPPORTS_ADD_ALL, 1121d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert ALLOWS_NULL_VALUES}, absent = RESTRICTS_ELEMENTS) 1131d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testAddAll_nullSupported() { 1141d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert List<E> containsNull = singletonList(null); 1151d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertTrue("addAll(containsNull) should return true", collection 1161d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert .addAll(containsNull)); 1171d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert /* 1181d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * We need (E) to force interpretation of null as the single element of a 1191d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * varargs array, not the array itself 1201d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert */ 1211d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert expectAdded((E) null); 1221d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1231d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 1241d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @CollectionFeature.Require(value = SUPPORTS_ADD_ALL, 1251d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert absent = ALLOWS_NULL_VALUES) 1261d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testAddAll_nullUnsupported() { 1271d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert List<E> containsNull = singletonList(null); 1281d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert try { 1291d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert collection.addAll(containsNull); 1301d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert fail("addAll(containsNull) should throw"); 1311d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } catch (NullPointerException expected) { 1321d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1331d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert expectUnchanged(); 1341d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert expectNullMissingWhenNullUnsupported( 1351d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert "Should not contain null after unsupported addAll(containsNull)"); 1361d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1371d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 1381d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @CollectionFeature.Require(SUPPORTS_ADD_ALL) 1391d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testAddAll_nullCollectionReference() { 1401d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert try { 1411d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert collection.addAll(null); 1421d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert fail("addAll(null) should throw NullPointerException"); 1431d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } catch (NullPointerException expected) { 1441d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1451d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1461d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 1471d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert /** 1481d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Returns the {@link Method} instance for {@link 1491d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * #testAddAll_nullUnsupported()} so that tests can suppress it with {@code 1501d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * FeatureSpecificTestSuiteBuilder.suppressing()} until <a 1511d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * href="http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=5045147">Sun 1521d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * bug 5045147</a> is fixed. 1531d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert */ 1541d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public static Method getAddAllNullUnsupportedMethod() { 1551d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert return Platform.getMethod(CollectionAddAllTester.class, "testAddAll_nullUnsupported"); 1561d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1571d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert} 158