90 lines
3.0 KiB
Java
90 lines
3.0 KiB
Java
/*
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* Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* @test
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* @bug 5085148
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* @summary Test if PrintWriter methods check if the stream
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* has been closed.
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*/
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import java.io.*;
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public enum OpsAfterClose {
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WRITE_BUF { boolean check(PrintWriter w) {
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char buf[] = new char[2];
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w.write(buf);
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return w.checkError();
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} },
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WRITE_BUF_OFF { boolean check(PrintWriter w) {
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char buf[] = new char[2];
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int len = 1;
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w.write(buf, 0, len);
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return w.checkError();
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} },
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WRITE_INT { boolean check(PrintWriter w) {
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w.write(1);
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return w.checkError();
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} },
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WRITE_STR { boolean check(PrintWriter w) {
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String s = "abc";
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w.write(s);
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return w.checkError();
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} },
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WRITE_STR_OFF { boolean check(PrintWriter w) {
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String s = "abc";
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w.write(s, 0, s.length());
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return w.checkError();
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} };
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abstract boolean check(PrintWriter w);
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public static void main(String args[]) throws Exception {
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System.out.println("Testing PrintWriter");
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boolean failed = false;
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boolean result = false;
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File f = new File(System.getProperty("test.dir", "."),
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"print-writer.out");
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f.deleteOnExit();
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for (OpsAfterClose op : OpsAfterClose.values()) {
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PrintWriter pw = new PrintWriter(
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new FileWriter(f));
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pw.close();
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result = op.check(pw);
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if (!result) {
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failed = true;
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}
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System.out.println(op + ":" + result);
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}
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if (failed) {
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throw new Exception(
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"Test failed for the failed operation{s} " +
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"above for the PrintWriter");
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}
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}
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}
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