package org.slf4j.helpers;
import java.text.MessageFormat;
import junit.framework.TestCase;
public class MessageFormatterPerfTest extends TestCase {
Integer i1 = new Integer(1);
Integer i2 = new Integer(2);
static long RUN_LENGTH = 100 * 1000;
//
static long REFERENCE_BIPS = 48416;
public MessageFormatterPerfTest(String name) {
super(name);
}
protected void setUp() throws Exception {
}
protected void tearDown() throws Exception {
}
public void XtestJDKFormatterPerf() {
jdkMessageFormatter(RUN_LENGTH);
double duration = jdkMessageFormatter(RUN_LENGTH);
System.out.println("jdk duration = " + duration + " nanos");
}
public void testSLF4JPerf_OneArg() {
slf4jMessageFormatter_OneArg(RUN_LENGTH);
double duration = slf4jMessageFormatter_OneArg(RUN_LENGTH);
System.out.println("duration=" + duration);
long referencePerf = 36;
BogoPerf.assertDuration(duration, referencePerf, REFERENCE_BIPS);
}
public void testSLF4JPerf_TwoArg() {
slf4jMessageFormatter_TwoArg(RUN_LENGTH);
double duration = slf4jMessageFormatter_TwoArg(RUN_LENGTH);
long referencePerf = 60;
BogoPerf.assertDuration(duration, referencePerf, REFERENCE_BIPS);
}
public double slf4jMessageFormatter_OneArg(long len) {
long start = System.nanoTime();
for (int i = 0; i < len; i++) {
final FormattingTuple tp = MessageFormatter.format("This is some rather short message {} ", i1);
tp.getMessage();
tp.getArgArray();
tp.getThrowable();
MessageFormatter.format("This is some rather short message {} ", i1);
}
long end = System.nanoTime();
return (end - start)/(1000*1000.0);
}
public double slf4jMessageFormatter_TwoArg(long len) {
long start = System.nanoTime();
for (int i = 0; i < len; i++) {
final FormattingTuple tp = MessageFormatter.format(
"This is some {} short message {} ", i1, i2);
tp.getMessage();
tp.getArgArray();
tp.getThrowable();
}
long end = System.nanoTime();
return (end - start)/(1000*1000.0);
}
public double jdkMessageFormatter(long len) {
String s = "";
s += ""; // keep compiler happy
long start = System.currentTimeMillis();
Object[] oa = new Object[] { i1 };
for (int i = 0; i < len; i++) {
s = MessageFormat.format("This is some rather short message {0}", oa);
}
long end = System.currentTimeMillis();
return (1.0 * end - start);
}
}