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.core.internal.data;
  
  import static org.junit.Assert.assertEquals;
  
  import java.io.IOException;
  import java.io.PipedInputStream;
  import java.io.PipedOutputStream;
  
  import org.junit.Before;
  import org.junit.Test;
  
  /**
   * Unit tests for {@link CompactDataInput} and {@link CompactDataOutput}. The
   * tests don't care about the written binary format, they just verify symmetry.
   */
  public class CompactDataInputOutputTest {
  
  	private CompactDataOutput out;
  
  	private CompactDataInput in;
  
  	@Before
  	public void setup() throws IOException {
  		PipedOutputStream pipe = new PipedOutputStream();
  		out = new CompactDataOutput(pipe);
  		in = new CompactDataInput(new PipedInputStream(pipe));
  	}
  
  	@Test
  	public void testVarInt0x00000000() throws IOException {
  		testVarInt(0x00000000);
  	}
  
  	@Test
  	public void testVarInt0x0000007F() throws IOException {
  		testVarInt(0x0000007F);
  	}
  
  	@Test
  	public void testVarInt0x00000080() throws IOException {
  		testVarInt(0x00000080);
  	}
  
  	@Test
  	public void testVarInt0x00000100() throws IOException {
  		testVarInt(0x00000100);
  	}
  
  	@Test
  	public void testVarInt0x12345678() throws IOException {
  		testVarInt(0x12345678);
  	}
  
  	@Test
  	public void testVarIntMinus1() throws IOException {
  		testVarInt(-1);
  	}
  
  	@Test
  	public void testVarIntMinValue() throws IOException {
  		testVarInt(Integer.MIN_VALUE);
  	}
  
  	@Test
  	public void testVarIntMaxValue() throws IOException {
  		testVarInt(Integer.MAX_VALUE);
  	}
  
  	private void testVarInt(int value) throws IOException {
  		out.writeVarInt(value);
  		out.close();
  		assertEquals(Long.valueOf(value), Long.valueOf(in.readVarInt()));
  		assertEquals(Integer.valueOf(-1), Integer.valueOf(in.read()));
  	}
  
  	@Test
  	public void testPackedBooleanEmpty() throws IOException {
  		testPackedBoolean();
  	}
  
  	@Test
  	public void testPackedBoolean3() throws IOException {
  		testPackedBoolean(false, false, true);
  	}
  
  	@Test
  	public void testPackedBoolean8() throws IOException {
  		testPackedBoolean(true, false, true, false, false, true, false, true);
  	}
  
  	@Test
  	public void testPackedBoolean9() throws IOException {
  		testPackedBoolean(true, true, false, true, false, false, true, false,
  				true);
  	}
  
  	private void testPackedBoolean(boolean... values) throws IOException {
  		out.writeBooleanArray(values);
  		out.close();
  		final boolean[] actual = in.readBooleanArray();
  		for (int i = 0; i < values.length; i++) {
  			assertEquals("Index " + i, Boolean.valueOf(values[i]),
  					Boolean.valueOf(actual[i]));
  		}
  	}
  
  }
  