/*
 * 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 java.util.Locale;

import junit.framework.TestCase;

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

	public void testConstructor() {
		FunctionEvaluationException ex = new FunctionEvaluationException(0.0);
		assertNull(ex.getCause());
		assertNotNull(ex.getMessage());
		assertTrue(ex.getMessage().indexOf("0") > 0);
		assertEquals(0.0, ex.getArgument()[0], 0);
	}

	public void testConstructorArray() {
		FunctionEvaluationException ex = new FunctionEvaluationException(new double[] { 0, 1, 2 });
		assertNull(ex.getCause());
		assertNotNull(ex.getMessage());
		assertTrue(ex.getMessage().indexOf("0") > 0);
		assertEquals(0.0, ex.getArgument()[0], 0);
		assertEquals(1.0, ex.getArgument()[1], 0);
		assertEquals(2.0, ex.getArgument()[2], 0);
	}

	public void testConstructorPatternArguments() {
		String pattern = "evaluation failed for argument = {0}";
		Object[] arguments = { Double.valueOf(0.0) };
		FunctionEvaluationException ex = new FunctionEvaluationException(0.0, 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 testConstructorArrayPatternArguments() {
		String pattern = "evaluation failed for argument = {0}";
		Object[] arguments = { Double.valueOf(0.0) };
		FunctionEvaluationException ex = new FunctionEvaluationException(new double[] { 0, 1, 2 }, 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)));
		assertEquals(0.0, ex.getArgument()[0], 0);
		assertEquals(1.0, ex.getArgument()[1], 0);
		assertEquals(2.0, ex.getArgument()[2], 0);
	}

	public void testConstructorPatternArgumentsCause() {
		String pattern = "evaluation failed for argument = {0}";
		Object[] arguments = { Double.valueOf(0.0) };
		String inMsg = "inner message";
		Exception cause = new Exception(inMsg);
		FunctionEvaluationException ex = new FunctionEvaluationException(cause, 0.0, 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)));
	}

	public void testConstructorArrayPatternArgumentsCause() {
		String pattern = "evaluation failed for argument = {0}";
		Object[] arguments = { Double.valueOf(0.0) };
		String inMsg = "inner message";
		Exception cause = new Exception(inMsg);
		FunctionEvaluationException ex = new FunctionEvaluationException(cause, new double[] { 0, 1, 2 }, 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)));
		assertEquals(0.0, ex.getArgument()[0], 0);
		assertEquals(1.0, ex.getArgument()[1], 0);
		assertEquals(2.0, ex.getArgument()[2], 0);
	}

	public void testConstructorArgumentCause() {
		String inMsg = "inner message";
		Exception cause = new Exception(inMsg);
		FunctionEvaluationException ex = new FunctionEvaluationException(cause, 0.0);
		assertEquals(cause, ex.getCause());
		assertTrue(ex.getMessage().equals(ex.getMessage(Locale.FRENCH)));
	}

	public void testConstructorArrayArgumentCause() {
		String inMsg = "inner message";
		Exception cause = new Exception(inMsg);
		FunctionEvaluationException ex = new FunctionEvaluationException(cause, new double[] { 0, 1, 2 });
		assertEquals(cause, ex.getCause());
		assertTrue(ex.getMessage().equals(ex.getMessage(Locale.FRENCH)));
		assertEquals(0.0, ex.getArgument()[0], 0);
		assertEquals(1.0, ex.getArgument()[1], 0);
		assertEquals(2.0, ex.getArgument()[2], 0);
	}

}
