/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.hadoop.metrics2.lib;
import org.junit.Test;
import static org.junit.Assert.*;
public class TestUniqNames {
@Test public void testCommonCases() {
UniqueNames u = new UniqueNames();
assertEquals("foo", u.uniqueName("foo"));
assertEquals("foo-1", u.uniqueName("foo"));
}
@Test public void testCollisions() {
UniqueNames u = new UniqueNames();
u.uniqueName("foo");
assertEquals("foo-1", u.uniqueName("foo-1"));
assertEquals("foo-2", u.uniqueName("foo"));
assertEquals("foo-1-1", u.uniqueName("foo-1"));
assertEquals("foo-2-1", u.uniqueName("foo-2"));
}
}