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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 java.util.ArrayList;
import java.util.Collection;
import java.util.EnumSet;
import java.util.function.Supplier;
import org.junit.Test;
import org.junit.runners.Parameterized.Parameter;
import org.junit.runners.Parameterized.Parameters;
import it.unimi.dsi.fastutil.Hash;
public class Int2IntMapGenericOpenHashTest extends Int2IntMapGenericTest<Int2IntOpenHashMap> {
@Parameter(2)
public float loadFactor;
@SuppressWarnings({ "boxing" })
@Parameters(name = "{index}: lf {2}")
public static Iterable<Object[]> data() {
final EnumSet<Capability> capabilities = EnumSet.allOf(Capability.class);
final int defSize = Int2IntOpenHashMap.DEFAULT_INITIAL_SIZE;
final Collection<Object[]> data = new ArrayList<>();
for (final float loadFactor : new float[] { Hash.DEFAULT_LOAD_FACTOR, Hash.FAST_LOAD_FACTOR, Hash.VERY_FAST_LOAD_FACTOR }) {
data.add(new Object[] {supplier(defSize, loadFactor), capabilities, loadFactor});
}
return data;
}
private static Supplier<Int2IntMap> supplier(final int defSize, final float loadFactor) {
return () -> new Int2IntOpenHashMap(defSize, loadFactor);
}
@Test
public void testAddTo() {
assertEquals(0, m.addTo(0, 2));
assertEquals(2, m.get(0));
assertEquals(2, m.addTo(0, 3));
assertEquals(5, m.get(0));
m.defaultReturnValue(-1);
assertEquals(-1, m.addTo(1, 1));
assertEquals(0, m.get(1));
assertEquals(0, m.addTo(1, 1));
assertEquals(1, m.get(1));
assertEquals(1, m.addTo(1, -2));
assertEquals(-1, m.get(1));
}
}
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