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/*
* Copyright (C) 2008 The Guava Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.common.collect.testing.testers;
import static com.google.common.collect.testing.features.CollectionFeature.ALLOWS_NULL_VALUES;
import static com.google.common.collect.testing.features.CollectionFeature.REJECTS_DUPLICATES_AT_CREATION;
import static com.google.common.collect.testing.features.CollectionSize.ONE;
import static com.google.common.collect.testing.features.CollectionSize.ZERO;
import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.testing.features.CollectionFeature;
import com.google.common.collect.testing.features.CollectionSize;
import java.util.Arrays;
import java.util.List;
/**
* A generic JUnit test which tests creation (typically through a constructor or
* static factory method) of a set. Can't be invoked directly; please see
* {@link com.google.common.collect.testing.SetTestSuiteBuilder}.
*
* <p>This class is GWT compatible.
*
* @author Chris Povirk
*/
@GwtCompatible
public class SetCreationTester<E> extends AbstractSetTester<E> {
@CollectionFeature.Require(value = ALLOWS_NULL_VALUES,
absent = REJECTS_DUPLICATES_AT_CREATION)
@CollectionSize.Require(absent = {ZERO, ONE})
public void testCreateWithDuplicates_nullDuplicatesNotRejected() {
E[] array = createArrayWithNullElement();
array[0] = null;
collection = getSubjectGenerator().create(array);
List<E> expectedWithDuplicateRemoved =
Arrays.asList(array).subList(1, getNumElements());
expectContents(expectedWithDuplicateRemoved);
}
@CollectionFeature.Require(absent = REJECTS_DUPLICATES_AT_CREATION)
@CollectionSize.Require(absent = {ZERO, ONE})
public void testCreateWithDuplicates_nonNullDuplicatesNotRejected() {
E[] array = createSamplesArray();
array[1] = samples.e0;
collection = getSubjectGenerator().create(array);
List<E> expectedWithDuplicateRemoved =
Arrays.asList(array).subList(1, getNumElements());
expectContents(expectedWithDuplicateRemoved);
}
@CollectionFeature.Require(
{ALLOWS_NULL_VALUES, REJECTS_DUPLICATES_AT_CREATION})
@CollectionSize.Require(absent = {ZERO, ONE})
public void testCreateWithDuplicates_nullDuplicatesRejected() {
E[] array = createArrayWithNullElement();
array[0] = null;
try {
collection = getSubjectGenerator().create(array);
fail("Should reject duplicate null elements at creation");
} catch (IllegalArgumentException expected) {
}
}
@CollectionFeature.Require(REJECTS_DUPLICATES_AT_CREATION)
@CollectionSize.Require(absent = {ZERO, ONE})
public void testCreateWithDuplicates_nonNullDuplicatesRejected() {
E[] array = createSamplesArray();
array[1] = samples.e0;
try {
collection = getSubjectGenerator().create(array);
fail("Should reject duplicate non-null elements at creation");
} catch (IllegalArgumentException expected) {
}
}
}
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