/*
 * 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.logging;

import junit.framework.TestCase;

/**
  * Generic tests that can be applied to any log adapter by
  * subclassing this class and defining method getLogObject
  * appropriately.
  */
public abstract class AbstractLogTest extends TestCase {

    public abstract Log getLogObject();

    public void testLoggingWithNullParameters()
    {
        final Log log = this.getLogObject();
        assertNotNull(log);

        log.debug(null);
        log.debug(null, null);
        log.debug(log.getClass().getName() + ": debug statement");
        log.debug(log.getClass().getName() + ": debug statement w/ null exception", new RuntimeException());

        log.error(null);
        log.error(null, null);
        log.error(log.getClass().getName() + ": error statement");
        log.error(log.getClass().getName() + ": error statement w/ null exception", new RuntimeException());

        log.fatal(null);
        log.fatal(null, null);
        log.fatal(log.getClass().getName() + ": fatal statement");
        log.fatal(log.getClass().getName() + ": fatal statement w/ null exception", new RuntimeException());

        log.info(null);
        log.info(null, null);
        log.info(log.getClass().getName() + ": info statement");
        log.info(log.getClass().getName() + ": info statement w/ null exception", new RuntimeException());

        log.trace(null);
        log.trace(null, null);
        log.trace(log.getClass().getName() + ": trace statement");
        log.trace(log.getClass().getName() + ": trace statement w/ null exception", new RuntimeException());

        log.warn(null);
        log.warn(null, null);
        log.warn(log.getClass().getName() + ": warn statement");
        log.warn(log.getClass().getName() + ": warn statement w/ null exception", new RuntimeException());
    }
}