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/*******************************************************************************
* Copyright (c) 2009, 2014 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.agent.rt.internal;
import static org.junit.Assert.assertArrayEquals;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;
/**
* Unit tests for {@link ClassFileDumper}.
*/
public class ClassFileDumperTest {
@Rule
public TemporaryFolder folder = new TemporaryFolder();
private byte[] contents;
@Before
public void setup() throws IOException {
contents = "just some bytes".getBytes("UTF-8");
}
@Test
public void testDumpClassWithPackage() throws IOException {
final File location = new File(folder.getRoot(), "classes");
final ClassFileDumper dumper = new ClassFileDumper(location.toString());
dumper.dump("org/jacoco/examples/Foo$Inner", contents);
assertContents(location,
"org/jacoco/examples/Foo$Inner.aff06045a340cd62.class");
}
@Test
public void testDumpClassInDefaultPackage() throws IOException {
final File location = new File(folder.getRoot(), "classes");
final ClassFileDumper dumper = new ClassFileDumper(location.toString());
dumper.dump("Main", contents);
assertContents(location, "Main.aff06045a340cd62.class");
}
@Test
public void testNoDumps() throws IOException {
final ClassFileDumper dumper = new ClassFileDumper(null);
dumper.dump("Main", contents);
}
private void assertContents(File location, String filename)
throws IOException {
InputStream in = new FileInputStream(new File(location, filename));
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
int b;
while ((b = in.read()) != -1) {
buffer.write(b);
}
in.close();
assertArrayEquals(contents, buffer.toByteArray());
}
}
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