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/*************************************************************************
/* Test.java -- Test Writer
/*
/* Copyright (c) 1998, 2004 Free Software Foundation, Inc.
/* Written by Daryl Lee (dolee@sources.redhat.com)
/* And Mark Wielaard (mark@klomp.org)
/*
/* This program 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 of the License, or
/* (at your option) any later version.
/*
/* This program 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 this program; if not, write to the Free Software Foundation
/* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307 USA
/*************************************************************************/
// Tags: JDK1.1
package gnu.testlet.java.io.Writer;
import gnu.testlet.Testlet;
import gnu.testlet.TestHarness;
import java.io.Writer;
import java.io.IOException;
public class Test extends Writer implements Testlet
{
private static final int LEN = 100;
private int index;
private char[] buf;
public Test()
{
super();
buf = new char[LEN];
index = 0;
}
Test(Object lock)
{
super(lock);
}
public void write(char cbuf[], int off, int len)
throws IOException
{
for (int i = 0; i < len; i++) {
buf[index++] = cbuf[off + i];
}
}
public void flush() throws IOException
{
// nothing to do
}
public void close() throws IOException
{
// nothing to do
}
public String toString()
{
return new String(buf, 0, index);
}
public void
test(TestHarness harness)
{
Test tw = new Test();
char[] buff = {'A', 'B', 'C', 'D'};
try { // Just one block for all possible IOExceptions
tw.write('X'); // X
harness.check(true, "write(int)");
tw.write(buff); // XABCD
harness.check(true, "write(buf)");
tw.write(buff, 1, 2); // XABCDBC
harness.check(true, "write(buf, off, len)");
tw.write("YZ"); // XABCDBCYZ
harness.check(true, "write(string)");
tw.write("abcde", 2, 2); // XABCDBCYZcd
harness.check(tw.toString(), "XABCDBCYZcd", "All Characters written okay");
}
catch (IOException e) {
harness.fail("Unexpected IOException");
}
// The lock object must be non-null.
boolean npe_thrown = false;
try {
new Test(null);
}
catch (NullPointerException npe) {
npe_thrown = true;
}
harness.check(npe_thrown, "null lock object");
}
} // class Test
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