Cobertura example source code file (PackageDataTest.java)

This example Cobertura source code file (PackageDataTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Cobertura tags/keywords

classdata, classdata, expected, i, i, illegalargumentexception, illegalargumentexception, packagedata, packagedata, packagedatatest, testcase

The Cobertura PackageDataTest.java source code

/*
 * Cobertura - http://cobertura.sourceforge.net/
 *
 * Copyright (C) 2005 Mark Doliner
 * Copyright (C) 2006 Jiri Mares
 *
 * Cobertura is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published
 * by the Free Software Foundation; either version 2 of the License,
 * or (at your option) any later version.
 *
 * Cobertura is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Cobertura; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 * USA
 */

package net.sourceforge.cobertura.coveragedata;

import junit.framework.TestCase;

public class PackageDataTest extends TestCase
{

	private PackageData packageData;

	public void setUp()
	{
		packageData = new PackageData("com.example");
		assertEquals("com.example", packageData.getName());
	}

	public void testAddClass()
	{
		ClassData classData;

		assertEquals(0, packageData.getNumberOfChildren());

		classData = new ClassData("com.example.HelloWorld");
		classData.setSourceFileName("com/example/HelloWorld.java");
		for (int i = 0; i < 10; i++)
			classData.addLine(i, "test", "(I)B");
		packageData.addClassData(classData);
		assertEquals(1, packageData.getNumberOfChildren());
		assertTrue(packageData.contains(classData.getBaseName()));

		classData = new ClassData("com.example.HelloWorldHelper");
		classData.setSourceFileName("com/example/HelloWorldHelper.java");
		for (int i = 0; i < 14; i++)
			classData.addLine(i, "test", "(I)B");
		packageData.addClassData(classData);
		assertEquals(2, packageData.getNumberOfChildren());
		assertTrue(packageData.contains(classData.getBaseName()));

		// See what happens when we try to add the same class twice
		classData = new ClassData("com.example.HelloWorld");
		classData.setSourceFileName("com/example/HelloWorld.java");
		for (int i = 0; i < 19; i++)
			classData.addLine(i, "test", "(I)B");
		try
		{
			packageData.addClassData(classData);
			// removed by Jeremy Thomerson when changing PackageData
			// fail("Expected an IllegalArgumentException but did not receive one!");
		}
		catch (IllegalArgumentException e)
		{
			// Good!
		}

		assertEquals(2, packageData.getNumberOfChildren());
	}

	public void testBranchCoverage()
	{
		assertEquals(0, packageData.getNumberOfCoveredBranches());
		assertEquals(0, packageData.getNumberOfValidBranches());
		assertEquals(1.00d, packageData.getBranchCoverageRate(), 0d);

		ClassData classData = new ClassData("com.example.HelloWorld");
		classData.setSourceFileName("com/example/HelloWorld.java");
		for (int i = 0; i < 10; i++)
			classData.addLine(i, "test", "(I)B");
		packageData.addClassData(classData);

		assertEquals(0, packageData.getNumberOfCoveredBranches());
		assertEquals(0, packageData.getNumberOfValidBranches());
		assertEquals(1.00d, packageData.getBranchCoverageRate(), 0d);

		classData.addLineJump(1, 0);
		classData.addLineSwitch(1, 1, new int[] {1,5});
		classData.addLineJump(2, 0);
		classData.addLineSwitch(3, 0, 1, 3);

		assertEquals(0, packageData.getNumberOfCoveredBranches());
		assertEquals(12, packageData.getNumberOfValidBranches());
		assertEquals(0.00d, packageData.getBranchCoverageRate(), 0d);

		classData.touch(1,1);
		classData.touchJump(1, 0, true,1);
		classData.touch(1,1);
		classData.touchJump(1, 0, false,1);
		classData.touchSwitch(1, 1, 0,1);
		classData.touch(2,1);
		classData.touchJump(2, 0, false,1);
      
		assertEquals(4, packageData.getNumberOfCoveredBranches());
		assertEquals(12, packageData.getNumberOfValidBranches());
		assertEquals(0.33d, packageData.getBranchCoverageRate(), 0.01d);
	}

	public void testConstructor()
	{
		try
		{
			new PackageData(null);
			fail("Expected an IllegalArgumentException but did not receive one!");
		}
		catch (IllegalArgumentException e)
		{
			// Good!
		}
	}

	public void testEquals()
	{
		PackageData a = new PackageData("com.example");
		PackageData b = new PackageData("com.example");
		PackageData c = new PackageData("com.example");
		ClassData classData1 = new ClassData("com.example.HelloWorld1");
		ClassData classData2 = new ClassData("com.example.HelloWorld2");
		ClassData classData3 = new ClassData("com.example.HelloWorld3");
		ClassData classData4 = new ClassData("com.example.HelloWorld4");

		classData1.setSourceFileName("com/example/HelloWorld1.java");
		classData2.setSourceFileName("com/example/HelloWorld2.java");
		classData3.setSourceFileName("com/example/HelloWorld3.java");
		classData4.setSourceFileName("com/example/HelloWorld4.java");

		a.addClassData(classData1);
		a.addClassData(classData2);
		a.addClassData(classData3);
		b.addClassData(classData1);
		b.addClassData(classData2);
		c.addClassData(classData1);
		c.addClassData(classData2);
		c.addClassData(classData4);

		assertFalse(a.equals(null));
		assertFalse(a.equals(classData1));

		assertTrue(a.equals(a));
		assertFalse(a.equals(b));
		assertFalse(a.equals(c));
		assertFalse(b.equals(a));
		assertTrue(b.equals(b));
		assertFalse(b.equals(c));
		assertFalse(c.equals(a));
		assertFalse(c.equals(b));
		assertTrue(c.equals(c));

		b.addClassData(classData3);
		assertTrue(a.equals(b));
		assertTrue(b.equals(a));

		assertFalse(a.equals(c));
		assertFalse(c.equals(a));
	}

	public void testHashCode()
	{
		PackageData a = new PackageData("com.example");
		PackageData b = new PackageData("com.example");
		ClassData classData1 = new ClassData("com.example.HelloWorld1");
		ClassData classData2 = new ClassData("com.example.HelloWorld2");
		ClassData classData3 = new ClassData("com.example.HelloWorld3");

		classData1.setSourceFileName("com/example/HelloWorld1.java");
		classData2.setSourceFileName("com/example/HelloWorld2.java");
		classData3.setSourceFileName("com/example/HelloWorld3.java");

		a.addClassData(classData1);
		a.addClassData(classData2);
		a.addClassData(classData3);
		b.addClassData(classData1);
		b.addClassData(classData2);

		assertEquals(a.hashCode(), a.hashCode());
		assertEquals(b.hashCode(), b.hashCode());

		b.addClassData(classData3);
		assertEquals(a.hashCode(), b.hashCode());
		assertEquals(b.hashCode(), b.hashCode());
	}
}