/*
 * 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.commons.math;

import junit.framework.TestCase;

import java.util.Locale;

/**
 * @version $Revision$ $Date$
 */
public class MathConfigurationExceptionTest extends TestCase {

	public void testConstructor() {
		MathConfigurationException ex = new MathConfigurationException();
		assertNull(ex.getCause());
		assertNull(ex.getMessage());
		assertEquals(0, ex.getMessage(Locale.FRENCH).length());
	}

	public void testConstructorPatternArguments() {
		String pattern = "a {0}x{1} matrix cannot be a rotation matrix";
		Object[] arguments = { Integer.valueOf(6), Integer.valueOf(4) };
		MathConfigurationException ex = new MathConfigurationException(pattern, arguments);
		assertNull(ex.getCause());
		assertEquals(pattern, ex.getPattern());
		assertEquals(arguments.length, ex.getArguments().length);
		for (int i = 0; i < arguments.length; ++i) {
			assertEquals(arguments[i], ex.getArguments()[i]);
		}
		assertFalse(pattern.equals(ex.getMessage()));
		assertFalse(ex.getMessage().equals(ex.getMessage(Locale.FRENCH)));
	}

	public void testConstructorCause() {
		String inMsg = "inner message";
		Exception cause = new Exception(inMsg);
		MathConfigurationException ex = new MathConfigurationException(cause);
		assertEquals(cause, ex.getCause());
	}

	public void testConstructorPatternArgumentsCause() {
		String pattern = "a {0}x{1} matrix cannot be a rotation matrix";
		Object[] arguments = { Integer.valueOf(6), Integer.valueOf(4) };
		String inMsg = "inner message";
		Exception cause = new Exception(inMsg);
		MathConfigurationException ex = new MathConfigurationException(cause, pattern, arguments);
		assertEquals(cause, ex.getCause());
		assertEquals(pattern, ex.getPattern());
		assertEquals(arguments.length, ex.getArguments().length);
		for (int i = 0; i < arguments.length; ++i) {
			assertEquals(arguments[i], ex.getArguments()[i]);
		}
		assertFalse(pattern.equals(ex.getMessage()));
		assertFalse(ex.getMessage().equals(ex.getMessage(Locale.FRENCH)));
	}

}
