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.CollectionFeature.ALLOWS_NULL_VALUES; 201d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport static com.google.common.collect.testing.features.CollectionSize.ONE; 211d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport static com.google.common.collect.testing.features.CollectionSize.ZERO; 221d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport static com.google.common.collect.testing.features.ListFeature.SUPPORTS_ADD_WITH_INDEX; 231d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 241d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport com.google.common.collect.testing.features.CollectionFeature; 251d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport com.google.common.collect.testing.features.CollectionSize; 261d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport com.google.common.collect.testing.features.ListFeature; 271d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 281d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport java.lang.reflect.Method; 291d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 301d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert/** 311d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * A generic JUnit test which tests {@code add(int, Object)} operations on a 321d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * list. Can't be invoked directly; please see 331d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * {@link com.google.common.collect.testing.ListTestSuiteBuilder}. 341d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 351d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * <p>This class is GWT compatible. 361d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 371d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * @author Chris Povirk 381d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert */ 391d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert@SuppressWarnings("unchecked") // too many "unchecked generic array creations" 401d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertpublic class ListAddAtIndexTester<E> extends AbstractListTester<E> { 411d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @ListFeature.Require(SUPPORTS_ADD_WITH_INDEX) 421d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @CollectionSize.Require(absent = ZERO) 431d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testAddAtIndex_supportedPresent() { 441d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert getList().add(0, samples.e0); 451d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert expectAdded(0, samples.e0); 461d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 471d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 481d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @ListFeature.Require(absent = SUPPORTS_ADD_WITH_INDEX) 491d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @CollectionSize.Require(absent = ZERO) 501d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert /* 511d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * absent = ZERO isn't required, since unmodList.add() must 521d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * throw regardless, but it keeps the method name accurate. 531d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert */ 541d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testAddAtIndex_unsupportedPresent() { 551d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert try { 561d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert getList().add(0, samples.e0); 571d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert fail("add(n, present) should throw"); 581d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } catch (UnsupportedOperationException expected) { 591d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 601d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert expectUnchanged(); 611d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 621d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 631d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @ListFeature.Require(SUPPORTS_ADD_WITH_INDEX) 641d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testAddAtIndex_supportedNotPresent() { 651d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert getList().add(0, samples.e3); 661d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert expectAdded(0, samples.e3); 671d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 681d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 691d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @ListFeature.Require(absent = SUPPORTS_ADD_WITH_INDEX) 701d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testAddAtIndex_unsupportedNotPresent() { 711d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert try { 721d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert getList().add(0, samples.e3); 731d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert fail("add(n, notPresent) should throw"); 741d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } catch (UnsupportedOperationException expected) { 751d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 761d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert expectUnchanged(); 771d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert expectMissing(samples.e3); 781d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 791d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 801d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @ListFeature.Require(SUPPORTS_ADD_WITH_INDEX) 811d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @CollectionSize.Require(absent = {ZERO, ONE}) 821d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testAddAtIndex_middle() { 831d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert getList().add(getNumElements() / 2, samples.e3); 841d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert expectAdded(getNumElements() / 2, samples.e3); 851d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 861d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 871d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @ListFeature.Require(SUPPORTS_ADD_WITH_INDEX) 881d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @CollectionSize.Require(absent = ZERO) 891d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testAddAtIndex_end() { 901d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert getList().add(getNumElements(), samples.e3); 911d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert expectAdded(getNumElements(), samples.e3); 921d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 931d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 941d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @ListFeature.Require(SUPPORTS_ADD_WITH_INDEX) 951d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @CollectionFeature.Require(ALLOWS_NULL_VALUES) 961d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testAddAtIndex_nullSupported() { 971d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert getList().add(0, null); 981d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert expectAdded(0, (E) null); 991d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1001d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 1011d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @ListFeature.Require(SUPPORTS_ADD_WITH_INDEX) 1021d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @CollectionFeature.Require(absent = ALLOWS_NULL_VALUES) 1031d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testAddAtIndex_nullUnsupported() { 1041d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert try { 1051d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert getList().add(0, null); 1061d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert fail("add(n, null) should throw"); 1071d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } catch (NullPointerException expected) { 1081d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1091d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert expectUnchanged(); 1101d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert expectNullMissingWhenNullUnsupported( 1111d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert "Should not contain null after unsupported add(n, null)"); 1121d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1131d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 1141d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @ListFeature.Require(SUPPORTS_ADD_WITH_INDEX) 1151d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testAddAtIndex_negative() { 1161d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert try { 1171d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert getList().add(-1, samples.e3); 1181d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert fail("add(-1, e) should throw"); 1191d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } catch (IndexOutOfBoundsException expected) { 1201d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1211d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert expectUnchanged(); 1221d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert expectMissing(samples.e3); 1231d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1241d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 1251d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @ListFeature.Require(SUPPORTS_ADD_WITH_INDEX) 1261d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testAddAtIndex_tooLarge() { 1271d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert try { 1281d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert getList().add(getNumElements() + 1, samples.e3); 1291d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert fail("add(size + 1, e) should throw"); 1301d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } catch (IndexOutOfBoundsException expected) { 1311d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1321d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert expectUnchanged(); 1331d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert expectMissing(samples.e3); 1341d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1351d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 1361d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert /** 1371d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Returns the {@link Method} instance for 1381d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * {@link #testAddAtIndex_nullSupported()} so that tests can suppress it. See 1391d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * {@link CollectionAddTester#getAddNullSupportedMethod()} for details. 1401d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert */ 1411d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public static Method getAddNullSupportedMethod() { 1421d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert return Platform.getMethod( 1431d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert ListAddAtIndexTester.class, "testAddAtIndex_nullSupported"); 1441d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1451d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert} 146