001/**
002 * Copyright (C) 2011 rwoo@gmx.de
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *         http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package com.googlecode.catchexception.throwable;
017
018import java.io.Serializable;
019
020/**
021 * Thrown if a method has not thrown an throwable of the expected type.
022 * 
023 * @author rwoo
024 * @since 16.09.2011
025 */
026public class ThrowableNotThrownAssertionError extends AssertionError {
027
028    /**
029     * See {@link Serializable}.
030     */
031    private static final long serialVersionUID = 7044423604241785057L;
032
033    /**
034     * Use this constructor if neither an throwable of the expected type nor another throwable is thrown.
035     * 
036     * @param <E>
037     *            the type of the throwable that is not thrown.
038     * @param clazz
039     *            the type of the throwable that is not thrown.
040     */
041    public <E extends Throwable> ThrowableNotThrownAssertionError(Class<E> clazz) {
042        super(clazz == Throwable.class ? "Throwable expected but not thrown" : "Neither a throwable of type "
043                + clazz.getName() + " nor another throwable was thrown");
044    }
045
046    /**
047     * Use this constructor if an throwable of another than the expected type is thrown.
048     * 
049     * @param <E>
050     *            the type of the throwable that is not thrown.
051     * @param clazz
052     *            the type of the throwable that is not thrown.
053     * @param e
054     *            the throwable that has been thrown instead of the expected one.
055     */
056    public <E extends Throwable> ThrowableNotThrownAssertionError(Class<E> clazz, Throwable e) {
057        super("Throwable of type " + clazz.getName() + " expected but was not thrown. "
058                + "Instead a throwable of type " + e.getClass() + " with message '" + e.getMessage() + "' was thrown.");
059    }
060}