/*
* 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.logging.log4j.message;
import org.junit.Test;
import static org.junit.Assert.*;
/**
* Tests the SimpleMessage class.
*/
public class SimpleMessageTest {
@Test
public void formatTo_usesCachedMessageString() throws Exception {
final StringBuilder charSequence = new StringBuilder("initial value");
final SimpleMessage message = new SimpleMessage(charSequence);
assertEquals("initial value", message.getFormattedMessage());
charSequence.setLength(0);
charSequence.append("different value");
final StringBuilder result = new StringBuilder();
message.formatTo(result);
assertEquals("initial value", result.toString());
}
}