content: /*******************************************************************************
   * Copyright (c) 2009, 2019 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());
  	}
  
  }
  