core/src/test/java/org/apache/metamodel/SchemaNameComparatorTest.java

/**
 * 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.metamodel;

import java.util.Comparator;

import junit.framework.TestCase;

public class SchemaNameComparatorTest extends TestCase {

	final Comparator<? super String> comp = SchemaNameComparator.getInstance();

	public void testNormalComparison() throws Exception {
		assertTrue(comp.compare("foo", "bar") > 0);
		assertTrue(comp.compare("bar", "foo") < 0);
		assertTrue(comp.compare("bar", "bar") == 0);
	}

	public void testNull() throws Exception {
		assertTrue(comp.compare(null, null) == 0);
		assertTrue(comp.compare("foo", null) > 0);
		assertTrue(comp.compare(null, "foo") < 0);
	}
}