piynamertest.java

PIY(Program It Yourself)是一个基于Java的应用程序开发环境

//---------------------------
// This should be moved later
//---------------------------
package piy;

import junit.framework.*;

/**
* Checks various apsects of the PIYNamer class.
* Note: because most of the PIYNamer methods are protected, this test class needs 
* to be in the same package as it.
* @author David Vivash
* @version 1.1, 22/11/00
*/
public class PIYNamerTest extends TestCase
{
	private PIYNamer empty, full; 
	private UserWindow test1 = new UserWindow();
	private UserWindow test2 = new UserWindow();
	private UserWindow test3 = new UserWindow();

	public PIYNamerTest(String name) {
		super(name);
	}

	public static Test suite() {
		return new TestSuite(PIYNamerTest.class);
	}

	public void setUp() {
		empty = new PIYNamer(3);
		full = new PIYNamer(3);
		full.add(test1, "Window"); //name = Window1
		full.add(test2, "Window"); //name = Window2
		full.add(test3, "Window"); //name = Window3
	}

	/**
	* Tests the operations when no components have been named yet
	*/
	public void testEmptyOperations() {
		assert(empty.getNames() != null);
		assert(empty.getNames().length == 0);

		assert(empty.nameIsUnique("anything"));
		assert(!empty.nameIsUnique(null)); //we don't allow null as a value name
		assert(!empty.nameIsUnique("")); //we don't allow "" as a value name

		assert(empty.getUniqueName("Window").equals("Window1"));
	} 

	public void testAddAndGet() {
		UserWindow test = new UserWindow();

		assert(empty.add(test, "Window").equals("Window1"));
		assert(empty.getValue("Window1") == test);
		assert(empty.getValue("Window2") == null);

		assert(empty.getName(test).equals("Window1"));
		assert(empty.getName(new UserWindow()) == null);

		assert(full.add(new UserWindow(), "Window").equals("Window4"));
	}


	public void testRename() {

		assert(!full.renameValue("Window1", "Window2")); //can't rename to an existing name
		assert(full.renameValue("Window1", "Window1")); //this should be allowed
		assert(full.renameValue("Window1", "Window4"));

		assert(full.getName(test1).equals("Window4")); //test1 successfully renamed
		assert(full.getName(test2).equals("Window2")); //test2 untouched

		assert(full.getValue("Window4") == test1);
		assert(full.getValue("Window1") == null);


		assert(full.renameValue("anything", "anythingelse") == false); 
		
	}

	public void testSize() {
		try{
			new PIYNamer(0);
			new PIYNamer(-1);
		} catch (Exception e) {
			fail("Constructor failed to initialise");
		}
	}
}