ExtendedSetTest.java
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/*
* Copyright 2015-present Open Networking Laboratory
*
* 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 org.onlab.util;
import java.util.Objects;
import org.junit.Test;
import com.google.common.collect.Maps;
import static org.junit.Assert.*;
/**
* Unit tests for ExtendedSet.
*/
public class ExtendedSetTest {
@Test
public void testGet() {
ExtendedSet<TestValue> set = new ExtendedSet<>(Maps.newConcurrentMap());
TestValue e1 = new TestValue("foo", 1);
set.add(e1);
TestValue lookupValue = new TestValue("foo", 2);
TestValue setEntry = set.get(lookupValue);
assertEquals(e1, setEntry);
}
@Test
public void testInsertOrReplace() {
ExtendedSet<TestValue> set = new ExtendedSet<>(Maps.newConcurrentMap());
TestValue small = new TestValue("foo", 1);
TestValue medium = new TestValue("foo", 2);
TestValue large = new TestValue("foo", 3);
// input TestValue will replace existing TestValue if its value2() is greater
// than existing entry's value2()
assertTrue(set.insertOrReplace(small, existing -> existing.value2() < small.value2()));
assertTrue(set.insertOrReplace(large, existing -> existing.value2() < large.value2()));
assertFalse(set.insertOrReplace(medium, existing -> existing.value2() < medium.value2()));
assertTrue(set.contains(small));
assertTrue(set.contains(medium));
assertTrue(set.contains(large));
}
@Test
public void testConditionalRemove() {
ExtendedSet<TestValue> set = new ExtendedSet<>(Maps.newConcurrentMap());
TestValue small = new TestValue("foo", 1);
TestValue medium = new TestValue("foo", 2);
assertTrue(set.add(small));
set.conditionalRemove(medium, existing -> existing.value2() < medium.value2);
assertFalse(set.contains(small));
}
private class TestValue {
private String value1;
private int value2;
public TestValue(String v1, int v2) {
this.value1 = v1;
this.value2 = v2;
}
public String value1() {
return value1;
}
public int value2() {
return value2;
}
@Override
public boolean equals(Object other) {
if (other instanceof TestValue) {
TestValue that = (TestValue) other;
return Objects.equals(value1, that.value1);
}
return false;
}
@Override
public int hashCode() {
return Objects.hash(value1);
}
}
}