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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.assertFalse;
import static org.junit.Assert.assertNull;
import org.junit.Test;
public class Object2ObjectOpenHashMapTest {
@Test
public void testCombinationMethodsWithDefaultValue() {
final Object2ObjectOpenHashMap<String, String> map = new Object2ObjectOpenHashMap<>();
map.defaultReturnValue("undefined");
assertEquals("nak", map.getOrDefault("bar", "nak"));
map.putIfAbsent("foo", "one");
assertEquals("one", map.get("foo"));
assertEquals("undefined", map.replace("bar", "two"));
assertFalse(map.containsKey("bar"));
assertEquals("three", map.computeIfAbsent("qux", s -> "three"));
assertEquals("three", map.get("qux"));
assertEquals("undefined", map.computeIfPresent("def", (a, b) -> "four"));
assertFalse(map.containsKey("def"));
}
@Test
public void testCombinationMethodsWithoutDefaultValue() {
final Object2ObjectOpenHashMap<String, String> map = new Object2ObjectOpenHashMap<>();
assertEquals("nak", map.getOrDefault("bar", "nak"));
map.putIfAbsent("foo", "one");
assertEquals("one", map.get("foo"));
assertNull(map.replace("bar", "two"));
assertFalse(map.containsKey("bar"));
assertEquals("three", map.computeIfAbsent("qux", s -> "three"));
assertEquals("three", map.get("qux"));
assertNull(map.computeIfPresent("def", (a, b) -> "four"));
assertFalse(map.containsKey("def"));
}
}
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