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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.log;
import java.util.Iterator;
import java.util.Set;
import java.util.TreeSet;
import org.junit.Test;
import static org.junit.Assert.*;
/**
* Unit test for the LogMessage TimeComparator
*
* @author vlarsen
*
*/
public class TimeComparatorTestCase {
private String msgstr1 = "1098709000\t"
+ "nalle.puh.com\t"
+ "23234\t"
+ "serviceName\t"
+ "tst\t"
+ "info\t"
+ "this is a test\n";
private LogMessage msg1;
private String msgstr2 = "1098709021\t"
+ "nalle.puh.com\t"
+ "23234\t"
+ "serviceName\t"
+ "tst\t"
+ "info\t"
+ "this is a test\n";
private LogMessage msg2;
@Test
public void testAscendingOrder() {
try {
msg1 = LogMessage.parseNativeFormat(msgstr1.trim());
msg2 = LogMessage.parseNativeFormat(msgstr2.trim());
} catch (InvalidLogFormatException e) {
fail();
}
Set<LogMessage> msglist = new TreeSet<LogMessage>(new LogMessageTimeComparator());
msglist.add(msg1);
msglist.add(msg2);
Iterator<LogMessage> it = msglist.iterator();
assertEquals(msg1, it.next());
assertEquals(msg2, it.next());
}
@Test
public void testDescendingOrder() {
try {
msg1 = LogMessage.parseNativeFormat(msgstr1.trim());
msg2 = LogMessage.parseNativeFormat(msgstr2.trim());
} catch (InvalidLogFormatException e) {
fail();
}
Set<LogMessage> msglist = new TreeSet<LogMessage>(new LogMessageTimeComparator(false));
msglist.add(msg1);
msglist.add(msg2);
// note, last gets fetched first
Iterator<LogMessage> it = msglist.iterator();
assertEquals(msg2, it.next());
assertEquals(msg1, it.next());
}
}
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