ienumvarianttest.java

java 调用windows的api

/*
 * IEnumVariantTest.java -
 *
 * This file is part of the Jawin Project: http://jawinproject.sourceforge.net/
 * 
 * Please consult the LICENSE file in the project root directory,
 * or at the project site before using this software.
 */

/* $Id: IEnumVariantTest.java,v 1.2 2004/07/18 15:12:35 arosii_moa Exp $ */

package org.jawin;

import org.jawin.win32.COINIT;
import org.jawin.win32.Ole32;

/**
 * testcase using the Windows SDK IEnumVariant.
 *
 * @version     $Revision: 1.2 $
 * @author      Stuart Halloway, http://www.relevancellc.com/halloway/weblog/
 */
public class IEnumVariantTest extends COMTestBase {

	private IEnumVariant iev;

	protected void setUp() throws Exception {
		super.setUp(COINIT.APARTMENTTHREADED);
		iev = (IEnumVariant)Ole32.CoCreateInstance(DUAL_TEST_CLSID, Ole32.CLSCTX_ALL, IEnumVariant.proxyIID);
	}

	protected void tearDown() throws Exception {
		if (iev != null) {
			iev.close();
		}
		super.tearDown();
	}
	public void testTraversal() throws Exception {
		Object[] fillme = new Object[8];
		assertTrue(6 == iev.Next(8, fillme));
		assertTrue("this".equals(fillme[0]));
		assertTrue("one".equals(fillme[1]));
		assertTrue("has".equals(fillme[2]));
		assertTrue("a".equals(fillme[3]));
		assertTrue("little".equals(fillme[4]));
		assertTrue("star".equals(fillme[5]));
	}
}