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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.ints;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import java.util.function.IntPredicate;
import java.util.function.Predicate;
import org.junit.Test;
public class IntCollectionsTest {
@Test
public void testIsNotEmpty() {
final IntCollection test = IntCollections.asCollection(() -> IntSets.singleton(0).iterator());
assertFalse(test.isEmpty());
}
@Test
public void testEmpty() {
final IntCollection test = IntCollections.asCollection(() -> IntSets.EMPTY_SET.iterator());
assertTrue(test.isEmpty());
}
@SuppressWarnings("deprecation")
@Test
public void testRemoveIfOverloads() {
final IntOpenHashSet s = IntOpenHashSet.of(1, 2, 3);
s.removeIf(x -> x == 1);
final IntPredicate p = x -> x == 1;
s.removeIf(p);
final it.unimi.dsi.fastutil.ints.IntPredicate q = x -> x == 1;
s.removeIf(q);
@SuppressWarnings("boxing")
final Predicate<Integer> r = x -> x == 1;
s.removeIf(r);
}
}
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