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/*
* Copyright (C) 2010 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;
import com.google.common.annotations.GwtIncompatible;
import com.google.common.collect.ImmutableSortedMap;
import com.google.common.collect.Lists;
import com.google.common.collect.Ordering;
import com.google.common.collect.Sets;
import com.google.common.collect.testing.features.CollectionFeature;
import com.google.common.collect.testing.features.CollectionSize;
import com.google.common.testing.SerializableTester;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.NavigableSet;
import java.util.Set;
import java.util.SortedSet;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
public class SafeTreeSetTest extends TestCase {
public static Test suite() {
TestSuite suite = new TestSuite();
suite.addTestSuite(SafeTreeSetTest.class);
suite.addTest(
NavigableSetTestSuiteBuilder.using(
new TestStringSetGenerator() {
@Override
protected Set<String> create(String[] elements) {
return new SafeTreeSet<>(Arrays.asList(elements));
}
@Override
public List<String> order(List<String> insertionOrder) {
return Lists.newArrayList(Sets.newTreeSet(insertionOrder));
}
})
.withFeatures(
CollectionSize.ANY,
CollectionFeature.KNOWN_ORDER,
CollectionFeature.GENERAL_PURPOSE)
.named("SafeTreeSet with natural comparator")
.createTestSuite());
suite.addTest(
SetTestSuiteBuilder.using(
new TestStringSetGenerator() {
@Override
protected Set<String> create(String[] elements) {
NavigableSet<String> set = new SafeTreeSet<>(Ordering.natural().nullsFirst());
Collections.addAll(set, elements);
return set;
}
@Override
public List<String> order(List<String> insertionOrder) {
return Lists.newArrayList(Sets.newTreeSet(insertionOrder));
}
})
.withFeatures(
CollectionSize.ANY,
CollectionFeature.KNOWN_ORDER,
CollectionFeature.GENERAL_PURPOSE,
CollectionFeature.ALLOWS_NULL_VALUES)
.named("SafeTreeSet with null-friendly comparator")
.createTestSuite());
return suite;
}
@GwtIncompatible // SerializableTester
public void testViewSerialization() {
Map<String, Integer> map = ImmutableSortedMap.of("one", 1, "two", 2, "three", 3);
SerializableTester.reserializeAndAssert(map.entrySet());
SerializableTester.reserializeAndAssert(map.keySet());
assertEquals(
Lists.newArrayList(map.values()),
Lists.newArrayList(SerializableTester.reserialize(map.values())));
}
@GwtIncompatible // SerializableTester
public void testEmpty_serialization() {
SortedSet<String> set = new SafeTreeSet<>();
SortedSet<String> copy = SerializableTester.reserializeAndAssert(set);
assertEquals(set.comparator(), copy.comparator());
}
@GwtIncompatible // SerializableTester
public void testSingle_serialization() {
SortedSet<String> set = new SafeTreeSet<>();
set.add("e");
SortedSet<String> copy = SerializableTester.reserializeAndAssert(set);
assertEquals(set.comparator(), copy.comparator());
}
@GwtIncompatible // SerializableTester
public void testSeveral_serialization() {
SortedSet<String> set = new SafeTreeSet<>();
set.add("a");
set.add("b");
set.add("c");
SortedSet<String> copy = SerializableTester.reserializeAndAssert(set);
assertEquals(set.comparator(), copy.comparator());
}
}
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