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/*
* Copyright (C) 2012 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;
import static org.truth0.Truth.ASSERT;
import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.testing.AnEnum;
import com.google.common.collect.testing.Helpers;
import com.google.common.collect.testing.MapTestSuiteBuilder;
import com.google.common.collect.testing.TestEnumMapGenerator;
import com.google.common.collect.testing.features.CollectionFeature;
import com.google.common.collect.testing.features.CollectionSize;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import java.util.Map;
import java.util.Map.Entry;
/**
* Tests for {@code ImmutableEnumMap}.
*
* @author Louis Wasserman
*/
@GwtCompatible
public class ImmutableEnumMapTest extends TestCase {
public static class ImmutableEnumMapGenerator extends TestEnumMapGenerator {
@Override
protected Map<AnEnum, String> create(Entry<AnEnum, String>[] entries) {
Map<AnEnum, String> map = Maps.newHashMap();
for (Entry<AnEnum, String> entry : entries) {
map.put(entry.getKey(), entry.getValue());
}
return Maps.immutableEnumMap(map);
}
}
public static Test suite() {
TestSuite suite = new TestSuite();
suite.addTest(MapTestSuiteBuilder.using(new ImmutableEnumMapGenerator())
.named("Maps.immutableEnumMap")
.withFeatures(CollectionSize.ANY,
CollectionFeature.SERIALIZABLE,
CollectionFeature.ALLOWS_NULL_QUERIES)
.createTestSuite());
suite.addTestSuite(ImmutableEnumMapTest.class);
return suite;
}
public void testEmptyImmutableEnumMap() {
ImmutableMap<AnEnum, String> map = Maps.immutableEnumMap(ImmutableMap.<AnEnum, String>of());
assertEquals(ImmutableMap.of(), map);
}
public void testImmutableEnumMapOrdering() {
ImmutableMap<AnEnum, String> map = Maps.immutableEnumMap(
ImmutableMap.of(AnEnum.C, "c", AnEnum.A, "a", AnEnum.E, "e"));
ASSERT.that(map.entrySet()).has().allOf(
Helpers.mapEntry(AnEnum.A, "a"),
Helpers.mapEntry(AnEnum.C, "c"),
Helpers.mapEntry(AnEnum.E, "e")).inOrder();
}
}
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