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/*******************************************************************************
* Copyright (c) 2009, 2021 Mountainminds GmbH & Co. KG and Contributors
* This program and the accompanying materials are made available under
* the terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Marc R. Hoffmann - initial API and implementation
*
*******************************************************************************/
package org.jacoco.core.instr;
import java.io.PrintWriter;
import java.io.StringWriter;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.util.Printer;
import org.objectweb.asm.util.Textifier;
import org.objectweb.asm.util.TraceMethodVisitor;
/**
* Recorder of method events for test verification.
*/
public class MethodRecorder {
private final Printer printer;
private final MethodVisitor visitor;
public MethodRecorder() {
printer = new Textifier();
visitor = new TraceMethodVisitor(printer);
}
public Printer getPrinter() {
return printer;
}
public MethodVisitor getVisitor() {
return visitor;
}
@Override
public boolean equals(Object obj) {
if (!(obj instanceof MethodRecorder)) {
return false;
}
MethodRecorder that = (MethodRecorder) obj;
return printer.getText().equals(that.printer.getText());
}
@Override
public int hashCode() {
return printer.getText().hashCode();
}
@Override
public String toString() {
StringWriter buffer = new StringWriter();
PrintWriter writer = new PrintWriter(buffer);
printer.print(writer);
writer.flush();
return buffer.toString();
}
}
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