Java
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1/*
2* Copyright (C) 2008 The Guava Authors
3*
4* Licensed under the Apache License, Version 2.0 (the "License");
5* you may not use this file except in compliance with the License.
6* You may obtain a copy of the License at
7*
8* http://www.apache.org/licenses/LICENSE-2.0
9*
10* Unless required by applicable law or agreed to in writing, software
11* distributed under the License is distributed on an "AS IS" BASIS,
12* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13* See the License for the specific language governing permissions and
14* limitations under the License.
15*/
16
17package com.google.common.collect.testing.testers;18
19import static com.google.common.collect.testing.features.CollectionFeature.ALLOWS_NULL_VALUES;20import static com.google.common.collect.testing.features.CollectionFeature.REJECTS_DUPLICATES_AT_CREATION;21import static com.google.common.collect.testing.features.CollectionSize.ONE;22import static com.google.common.collect.testing.features.CollectionSize.ZERO;23
24import com.google.common.annotations.GwtCompatible;25import com.google.common.collect.testing.features.CollectionFeature;26import com.google.common.collect.testing.features.CollectionSize;27import java.util.Arrays;28import java.util.List;29import org.junit.Ignore;30
31/**
32* A generic JUnit test which tests creation (typically through a constructor or static factory
33* method) of a set. Can't be invoked directly; please see {@link
34* com.google.common.collect.testing.SetTestSuiteBuilder}.
35*
36* @author Chris Povirk
37*/
38@GwtCompatible
39@Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.40@SuppressWarnings("JUnit4ClassUsedInJUnit3")41public class SetCreationTester<E> extends AbstractSetTester<E> {42@CollectionFeature.Require(value = ALLOWS_NULL_VALUES, absent = REJECTS_DUPLICATES_AT_CREATION)43@CollectionSize.Require(absent = {ZERO, ONE})44public void testCreateWithDuplicates_nullDuplicatesNotRejected() {45E[] array = createArrayWithNullElement();46array[0] = null;47collection = getSubjectGenerator().create(array);48
49List<E> expectedWithDuplicateRemoved = Arrays.asList(array).subList(1, getNumElements());50expectContents(expectedWithDuplicateRemoved);51}52
53@CollectionFeature.Require(absent = REJECTS_DUPLICATES_AT_CREATION)54@CollectionSize.Require(absent = {ZERO, ONE})55public void testCreateWithDuplicates_nonNullDuplicatesNotRejected() {56E[] array = createSamplesArray();57array[1] = e0();58collection = getSubjectGenerator().create(array);59
60List<E> expectedWithDuplicateRemoved = Arrays.asList(array).subList(1, getNumElements());61expectContents(expectedWithDuplicateRemoved);62}63
64@CollectionFeature.Require({ALLOWS_NULL_VALUES, REJECTS_DUPLICATES_AT_CREATION})65@CollectionSize.Require(absent = {ZERO, ONE})66public void testCreateWithDuplicates_nullDuplicatesRejected() {67E[] array = createArrayWithNullElement();68array[0] = null;69try {70collection = getSubjectGenerator().create(array);71fail("Should reject duplicate null elements at creation");72} catch (IllegalArgumentException expected) {73}74}75
76@CollectionFeature.Require(REJECTS_DUPLICATES_AT_CREATION)77@CollectionSize.Require(absent = {ZERO, ONE})78public void testCreateWithDuplicates_nonNullDuplicatesRejected() {79E[] array = createSamplesArray();80array[1] = e0();81try {82collection = getSubjectGenerator().create(array);83fail("Should reject duplicate non-null elements at creation");84} catch (IllegalArgumentException expected) {85}86}87}
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