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/*******************************************************************************
* Copyright (c) 2009, 2018 Mountainminds GmbH & Co. KG and Contributors
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Marc R. Hoffmann - initial API and implementation
*
*******************************************************************************/
package org.jacoco.core.test.perf;
import java.util.concurrent.Callable;
import org.jacoco.core.instr.Instrumenter;
import org.jacoco.core.runtime.LoggerRuntime;
import org.jacoco.core.test.TargetLoader;
/**
* Scenario to measure the time taken by the instrumentation process itself.
*/
public class InstrumentationTimeScenario extends TimedScenario {
private final Class<?> target;
private final int count;
protected InstrumentationTimeScenario(Class<?> target, int count) {
super(String.format("instrumenting %s classes", Integer.valueOf(count)));
this.target = target;
this.count = count;
}
@Override
protected Callable<Void> getInstrumentedCallable() throws Exception {
final byte[] bytes = TargetLoader.getClassDataAsBytes(target);
final Instrumenter instr = new Instrumenter(new LoggerRuntime());
return new Callable<Void>() {
public Void call() throws Exception {
for (int i = 0; i < count; i++) {
instr.instrument(bytes, "TestTarget");
}
return null;
}
};
}
}
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