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/*
* Copyright (C) 2017-2022 Sebastiano Vigna
*
* 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 it.unimi.dsi.fastutil.objects;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import org.junit.Test;
public class ObjectSetTest {
@Test
public void testOf() {
final ObjectSet<String> s = ObjectSet.of("0", "1", "2", "3");
assertEquals(new ObjectOpenHashSet<>(new String[] { "0", "1", "2", "3" }), s);
}
@Test
public void testOfEmpty() {
final ObjectSet<String> s = ObjectSet.of();
assertTrue(s.isEmpty());
}
@Test
public void testOfSingleton() {
final ObjectSet<String> s = ObjectSet.of("0");
assertEquals(new ObjectOpenHashSet<>(new String[] { "0" }), s);
}
@Test
public void testOfPair() {
final ObjectSet<String> s = ObjectSet.of("0", "1");
assertEquals(new ObjectOpenHashSet<>(new String[] { "0", "1" }), s);
}
@Test
public void testOfTriplet() {
final ObjectSet<String> s = ObjectSet.of("0", "1", "2");
assertEquals(new ObjectOpenHashSet<>(new String[] { "0", "1", "2" }), s);
}
@Test(expected = IllegalArgumentException.class)
public void testOfDuplicateThrows() {
ObjectSet.of("0", "0", "0", "0");
}
@Test(expected = UnsupportedOperationException.class)
public void testOfImmutable() {
final ObjectSet<String> l = ObjectSet.of("0", "1", "2");
l.add("3");
}
}
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