structconvertertest.java

java 调用windows的api

/*
 * StructConverterTest.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: StructConverterTest.java,v 1.1 2004/06/14 19:24:56 arosii_moa Exp $ */

package org.jawin.marshal;

import org.jawin.marshal.StructConverter;

import junit.framework.TestCase;

/**
 * testcases for {@link org.jawin.marshal.StructConverter} - TODO 
 * more could be written
 *
 * @version     $Revision: 1.1 $
 * @author      Morten Andersen, arosii_moa (at) users.sourceforge.net
 */
public class StructConverterTest extends TestCase {

	public void testParseInt() {
		// standard values on several forms
		assertEquals(0, StructConverter.parseInt(""));
		assertEquals(0, StructConverter.parseInt("0"));
		assertEquals(0, StructConverter.parseInt("0000"));
		assertEquals(0, StructConverter.parseInt("00000000"));
		assertEquals(1, StructConverter.parseInt("1"));
		assertEquals(1, StructConverter.parseInt("0001"));
		assertEquals(1, StructConverter.parseInt("00000001"));
		assertEquals(16, StructConverter.parseInt("10"));
		assertEquals(16, StructConverter.parseInt("0010"));
		assertEquals(256, StructConverter.parseInt("100"));
		
		// test the valid char-digits in both upper and lowercase
		assertEquals(10, StructConverter.parseInt("A"));
		assertEquals(10, StructConverter.parseInt("a"));
		assertEquals(11, StructConverter.parseInt("B"));
		assertEquals(11, StructConverter.parseInt("b"));
		assertEquals(12, StructConverter.parseInt("C"));
		assertEquals(12, StructConverter.parseInt("c"));
		assertEquals(13, StructConverter.parseInt("D"));
		assertEquals(13, StructConverter.parseInt("d"));
		assertEquals(14, StructConverter.parseInt("E"));
		assertEquals(14, StructConverter.parseInt("e"));
		assertEquals(15, StructConverter.parseInt("F"));
		assertEquals(15, StructConverter.parseInt("f"));

		// min and max values
		assertEquals(Integer.MAX_VALUE, StructConverter.parseInt("7FFFFFFF"));
		assertEquals(Integer.MIN_VALUE, StructConverter.parseInt("80000000"));
		assertEquals(-1, StructConverter.parseInt("FFFFFFFF"));
		
		// illegal strings, should throw NumberFormatExceptions
		try {
			StructConverter.parseInt("-1"); // illegal chars - '-'
			fail("Should raise a NumberFormatException");
		} catch (NumberFormatException e) { /* success */ }
		
		try {
			StructConverter.parseInt("123456789"); // too long
			fail("Should raise a NumberFormatException");
		} catch (NumberFormatException e) { /* success */ }

		try {
			StructConverter.parseInt("FFG"); // illegal chars - 'G'
			fail("Should raise a NumberFormatException");
		} catch (NumberFormatException e) { /* success */ }

		try {
			StructConverter.parseInt("GFF"); // illegal chars - 'G'
			fail("Should raise a NumberFormatException");
		} catch (NumberFormatException e) { /* success */ }
	}

	/*
	 * most cases covered by the testParseInt() test.
	 */
	public void testParseShort() {
		// min and max values
		assertEquals(Short.MAX_VALUE, StructConverter.parseShort("7FFF"));
		assertEquals(Short.MIN_VALUE, StructConverter.parseShort("8000"));
		assertEquals((short)-1, StructConverter.parseShort("FFFF"));
		
		// illegal strings, should throw NumberFormatExceptions
		try {
			StructConverter.parseShort("12345"); // too long
			fail("Should raise a NumberFormatException");
		} catch (NumberFormatException e) { /* success */ }
	}

	/*
	 * most cases covered by the testParseInt() test.
	 */
	public void testParseLong() {
		// min and max values
		assertEquals(Long.MAX_VALUE, StructConverter.parseLong("7FFFFFFFFFFFFFFF"));
		assertEquals(Long.MIN_VALUE, StructConverter.parseLong("8000000000000000"));
		assertEquals((long)-1, StructConverter.parseLong("FFFFFFFFFFFFFFFF"));
		
		// illegal strings, should throw NumberFormatExceptions
		try {
			StructConverter.parseLong("12345678901234567"); // too long
			fail("Should raise a NumberFormatException");
		} catch (NumberFormatException e) { /* success */ }
	}

}