xref: /libcore/harmony-tests/src/test/java/org/apache/harmony/tests/java/lang/RuntimeExceptionTest.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.harmony.tests.java.lang;

import junit.framework.TestCase;

public class RuntimeExceptionTest extends TestCase {

    /**
     * java.lang.RuntimeException#RuntimeException()
     */
    public void test_Constructor() {
        RuntimeException e = new RuntimeException();
        assertNull(e.getMessage());
        assertNull(e.getLocalizedMessage());
        assertNull(e.getCause());
    }

    /**
     * java.lang.RuntimeException#RuntimeException(java.lang.String)
     */
    public void test_ConstructorLjava_lang_String() {
        RuntimeException e = new RuntimeException("fixture");
        assertEquals("fixture", e.getMessage());
        assertNull(e.getCause());
    }

    /**
     * {@link java.lang.RuntimeException#RuntimeException(Throwable)}
     */
    public void test_ConstructorLjava_lang_Throwable() {
        Throwable emptyThrowable = new Exception();
        RuntimeException emptyException = new RuntimeException(emptyThrowable);
        assertEquals(emptyThrowable.getClass().getName(), emptyException.getMessage());
        assertEquals(emptyThrowable.getClass().getName(), emptyException.getLocalizedMessage());
        assertEquals(emptyThrowable.getClass().getName(), emptyException.getCause().toString());

        Throwable throwable = new Exception("msg");
        RuntimeException exception = new RuntimeException(throwable);
        assertEquals(throwable.getClass().getName() + ": " + "msg", exception.getMessage());
        assertEquals(throwable.getClass().getName(), emptyException.getLocalizedMessage());
        assertEquals(throwable.getClass().getName(), emptyException.getCause().toString());
    }
}