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[COLLECTIONS-811] Integrate Guava Testlib tests for Apache Commons Co…
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src/test/java/org/apache/commons/collections4/GuavaTestlibTest.java
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/* | ||
* Licensed to the Apache Software Foundation (ASF) under one or more | ||
* contributor license agreements. See the NOTICE file distributed with | ||
* this work for additional information regarding copyright ownership. | ||
* The ASF licenses this file to You 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. | ||
*/ | ||
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package org.apache.commons.collections4; | ||
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import java.util.Map; | ||
import java.util.function.Supplier; | ||
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import org.apache.commons.collections4.map.HashedMap; | ||
import org.apache.commons.collections4.map.LRUMap; | ||
import org.apache.commons.collections4.map.LinkedMap; | ||
import org.apache.commons.collections4.map.ReferenceMap; | ||
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import com.google.common.collect.testing.MapTestSuiteBuilder; | ||
import com.google.common.collect.testing.TestStringMapGenerator; | ||
import com.google.common.collect.testing.features.CollectionFeature; | ||
import com.google.common.collect.testing.features.CollectionSize; | ||
import com.google.common.collect.testing.features.MapFeature; | ||
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import junit.framework.Test; | ||
import junit.framework.TestCase; | ||
import junit.framework.TestSuite; | ||
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/** | ||
* This test uses Google's Guava Testlib testing libraries to validate the | ||
* contract of collection classes in Commons Collections. This was introduced | ||
* after COLLECTIONS-802, where the issue reported was found with Testlib, | ||
* with thanks to Ben Manes. | ||
* | ||
* @since 4.5.0 | ||
* @see <a href="https://github.com/google/guava/tree/master/guava-testlib">https://github.com/google/guava/tree/master/guava-testlib</a> | ||
* @see <a href="https://issues.apache.org/jira/browse/COLLECTIONS-802">https://issues.apache.org/jira/browse/COLLECTIONS-802</a> | ||
*/ | ||
public final class GuavaTestlibTest extends TestCase { | ||
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public static Test suite() { | ||
TestSuite test = new TestSuite(); | ||
test.addTest(suite("HashedMap", HashedMap::new)); | ||
test.addTest(suite("LinkedMap", LinkedMap::new)); | ||
test.addTest(suite("LRUMap", LRUMap::new)); | ||
test.addTest(suite("ReferenceMap", ReferenceMap::new)); | ||
return test; | ||
} | ||
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public static Test suite(String name, Supplier<Map<String, String>> factory) { | ||
return MapTestSuiteBuilder.using(new TestStringMapGenerator() { | ||
@Override | ||
protected Map<String, String> create(Map.Entry<String, String>[] entries) { | ||
Map<String, String> map = factory.get(); | ||
for (Map.Entry<String, String> entry : entries) { | ||
map.put(entry.getKey(), entry.getValue()); | ||
} | ||
return map; | ||
} | ||
}) | ||
.named(name) | ||
.withFeatures( | ||
CollectionSize.ANY, MapFeature.GENERAL_PURPOSE, | ||
MapFeature.ALLOWS_ANY_NULL_QUERIES, CollectionFeature.SUPPORTS_ITERATOR_REMOVE) | ||
.createTestSuite(); | ||
} | ||
} |