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/**
* Copyright (c) 2008, SnakeYAML
*
* Licensed 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.yaml.snakeyaml.stress;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.yaml.snakeyaml.Invoice;
import org.yaml.snakeyaml.Util;
import org.yaml.snakeyaml.Yaml;
public class StressEmitterTest extends TestCase {
public static void main(String[] args) {
junit.textui.TestRunner.run(suite());
}
public static Test suite() {
return new TestSuite(StressEmitterTest.class);
}
public void testPerformance() {
Yaml loader = new Yaml();
Invoice invoice =
loader.loadAs(Util.getLocalResource("specification/example2_27.yaml"), Invoice.class);
Yaml dumper = new Yaml();
long time1 = System.nanoTime();
dumper.dumpAsMap(invoice);
long time2 = System.nanoTime();
float duration = (time2 - time1) / 1000000;
System.out.println("\nSingle dump was " + duration + " ms.");
int[] range = new int[] {1000, 2000 /* , 8000 */};
System.out.println("\nOne instance.");
for (int number : range) {
time1 = System.nanoTime();
for (int i = 0; i < number; i++) {
dumper.dump(invoice);
}
time2 = System.nanoTime();
duration = ((time2 - time1) / 1000000) / (float) number;
System.out.println("Duration for r=" + number + " was " + duration + " ms/dump.");
// cobertura may make it very slow
if (duration > 3) {
System.err.println("!!!!!! Too long. Expected <1 but was " + duration);
}
}
System.out.println("\nMany instances.");
for (int number : range) {
time1 = System.nanoTime();
for (int i = 0; i < number; i++) {
dumper = new Yaml();
dumper.dumpAsMap(invoice);
}
time2 = System.nanoTime();
duration = ((time2 - time1) / 1000000) / (float) number;
System.out.println("Duration for r=" + number + " was " + duration + " ms/dump.");
// cobertura may make it very slow
if (duration > 3) {
System.err.println("!!!!!! Too long. Expected <1 but was " + duration);
}
// assertTrue("duration=" + duration, duration < 3);
}
}
}
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