write.java example

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open-mika-master
// Tags: JDK1.1

// Copyright (C) 2002 Free Software Foundation, Inc.
// Written by Daryl Lee (dolee@sources.redhat.com)
// Modified from FileOutputStream/write.java,
//     written by Mark Wielaard (mark@klomp.org)

// This file is part of Mauve.

// Mauve 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, or (at your option)
// any later version.

// Mauve 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 Mauve; see the file COPYING.  If not, write to
// the Free Software Foundation, 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA.  */

package gnu.testlet.wonka.io.ByteArrayOutputStream;

import java.io.ByteArrayOutputStream;
import java.io.UnsupportedEncodingException;
import java.io.IOException;

import gnu.testlet.Testlet;
import gnu.testlet.TestHarness;

public class write implements Testlet
{
  public void test (TestHarness harness)
  {
	ByteArrayOutputStream baos = new ByteArrayOutputStream();
	ByteArrayOutputStream baos2 = new ByteArrayOutputStream();
	byte[] ba = {(byte)'B', (byte)'C', (byte)'D'};
	String tststr = "ABCD";
	baos.write('A');
	harness.check(true, "write(int)");
	baos.write(ba, 0, 3);
	harness.check(true, "write(buf, off, len)");
	harness.check(baos.size(), 4, "size()");
	String finalstr1 = baos.toString();
	harness.check(finalstr1.equals(tststr), "toString()");
	byte[] finalba = baos.toByteArray();
	String finalstr2 = new String(finalba);
	harness.check(finalstr2.equals(tststr), "toByteArray()");
	String encodedstr;
	try {
		encodedstr = baos.toString("English");
	}
	catch (UnsupportedEncodingException ue) {
		harness.check(true, "UnsupportedEncodingException");
	}
	try {
		encodedstr = baos.toString("8859_1");
		harness.check(encodedstr.equals(tststr), "toString(String)");
	}
	catch (UnsupportedEncodingException ue) {
		harness.check(false, "Encoding error");
	}
	try {
		baos.writeTo(baos2);
		harness.check(baos2.toString().equals(tststr), "writeTo(OutputStream)");
	}
	catch (IOException e) {
		harness.check(false, "writeTo(OutputStream)");
	}
	baos.reset();
	harness.check(baos.size(), 0, "reset()");
  }
}