BinarySearchTest

 public class BinarySearchTest? extends TestCase
 {
	int[] anArray = {1,2,3,4,6,7,8};

	BinarySearchTest?( String name )
	{	super( name );
	}

	protected void setUp(){}

	public static Test suite()
	{	TestSuite suite= new TestSuite();
	suite.addTest(
		new BinarySearchTest?("in array")
		{	protected void runTest() { this.testIsInArray(); }
		});
	suite.addTest(
		new BinarySearchTest?("not in array")
		{	protected void runTest() { this.testNotInArray(); }
		});
	suite.addTest(
		new BinarySearchTest?("throws")
		{	protected void runTest() { this.testThrows(); }
		});
	suite.addTest(
		new BinarySearchTest?("doesn't throw")
		{	protected void runTest() { this.testThrowsNot(); }
		});
	return suite;
	}

	public void testNotInArray()
	{	BinarySearch failSearch = new BinarySearch( 5, anArray );
	assert( failSearch.targetIsInArray() == false );
	}

	public void testIsInArray()
	{	BinarySearch successSearch = new BinarySearch( 2, anArray );
	if( successSearch.targetIsInArray() )
	{	assert( "Target was not found in proper location",
		anArray[ successSearch.indexOfTarget() ] == 2 );
	}
	else
	{	fail( "Target wasn't found" );
	}
	}

	public void testThrows()
	{	try
	{	BinarySearch.findIndexOf( 5, anArray );
		fail("Exception not thrown");
	}
	catch(Exception e){}
	}

	public void testThrowsNot()
	{	try
	{	BinarySearch.findIndexOf( 4, anArray ); }
	catch(Exception e)
	{	fail("Exception thrown"); }
	}
 }