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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.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import java.util.Collection;
import org.junit.Test;
public class AbstractIntCollectionTest {
@Test
public void testAllSpecific() {
IntCollection m = new AbstractIntCollection() {
final IntOpenHashSet s = new IntOpenHashSet(new int[] { 0, 4, 5, 6, 9 });
@Override
public IntIterator iterator() {
return s.iterator();
}
@Override
public boolean add(int k) {
return s.add(k);
}
@Override
public boolean rem(int k) {
return s.remove(k);
}
@Override
public int size() {
return s.size();
}
};
m.addAll(new IntOpenHashSet(new int[] { 1, 3 }));
assertEquals(new IntOpenHashSet(new int[] { 0, 1, 3, 4, 5, 6, 9 }), new IntOpenHashSet(m));
assertTrue(m.containsAll(new IntOpenHashSet(new int[] { 1, 3, 6 })));
assertFalse(m.containsAll(new IntOpenHashSet(new int[] { 1, 2, 6 })));
assertTrue(m.removeAll(new IntOpenHashSet(new int[] { 1, 2, 3 })));
assertEquals(new IntOpenHashSet(new int[] { 0, 4, 5, 6, 9 }), new IntOpenHashSet(m));
assertTrue(m.retainAll(new IntOpenHashSet(new int[] { -1, 0, 5, 9, 11 })));
assertEquals(new IntOpenHashSet(new int[] { 0, 5, 9 }), new IntOpenHashSet(m));
}
@Test
public void testAllGeneric() {
IntCollection m = new AbstractIntCollection() {
final IntOpenHashSet s = new IntOpenHashSet(new int[] { 0, 4, 5, 6, 9 });
@Override
public IntIterator iterator() {
return s.iterator();
}
@Override
public boolean add(int k) {
return s.add(k);
}
@Override
public boolean rem(int k) {
return s.remove(k);
}
@Override
public int size() {
return s.size();
}
};
m.addAll((Collection<? extends Integer>)new IntOpenHashSet(new int[] { 1, 3 }));
assertEquals(new IntOpenHashSet(new int[] { 0, 1, 3, 4, 5, 6, 9 }), new IntOpenHashSet(m));
assertTrue(m.containsAll((Collection<?>)new IntOpenHashSet(new int[] { 1, 3, 6 })));
assertFalse(m.containsAll((Collection<?>)new IntOpenHashSet(new int[] { 1, 2, 6 })));
assertTrue(m.removeAll((Collection<?>)new IntOpenHashSet(new int[] { 1, 2, 3 })));
assertEquals(new IntOpenHashSet(new int[] { 0, 4, 5, 6, 9 }), new IntOpenHashSet(m));
assertTrue(m.retainAll((Collection<?>)new IntOpenHashSet(new int[] { -1, 0, 5, 9, 11 })));
assertEquals(new IntOpenHashSet(new int[] { 0, 5, 9 }), new IntOpenHashSet(m));
}
}
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