0N/A/*
2362N/A * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
0N/A * published by the Free Software Foundation.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A */
0N/A
0N/A/**
0N/A * @test
0N/A * @bug 5085148 4143651
0N/A * @summary Test if Reader methods will check if the stream
0N/A * has been closed.
0N/A */
0N/A
0N/Aimport java.io.*;
0N/A
0N/Apublic enum OpsAfterClose {
0N/A
0N/A READ { boolean check(Reader r) {
0N/A try {
0N/A r.read();
0N/A } catch (IOException io) {
0N/A return true;
0N/A }
0N/A return false;
0N/A } },
0N/A
0N/A READ_BUF { boolean check(Reader r) {
0N/A try {
0N/A char buf[] = new char[2];
0N/A int len = 1;
0N/A r.read(buf, 0, len);
0N/A } catch (IOException io) {
0N/A return true;
0N/A }
0N/A return false;
0N/A } },
0N/A READY { boolean check(Reader r) {
0N/A try {
0N/A r.ready();
0N/A } catch (IOException io) {
0N/A return true;
0N/A }
0N/A return false;
0N/A } },
0N/A MARK { boolean check(Reader r) {
0N/A try {
0N/A r.mark(1);
0N/A } catch (IOException io) {
0N/A return true;
0N/A }
0N/A return false;
0N/A } },
0N/A SKIP { boolean check(Reader r) {
0N/A try {
0N/A r.skip(1);
0N/A } catch (IOException io) {
0N/A return true;
0N/A }
0N/A return false;
0N/A } },
0N/A RESET { boolean check(Reader r) {
0N/A try {
0N/A r.reset();
0N/A } catch (IOException io) {
0N/A return true;
0N/A }
0N/A return false;
0N/A } },
0N/A CLOSE { boolean check(Reader r) {
0N/A try {
0N/A r.close();
0N/A } catch (IOException io) {
0N/A return false;
0N/A }
0N/A return true;
0N/A } };
0N/A
0N/A abstract boolean check(Reader r);
0N/A
0N/A public static void main(String args[]) throws Exception {
0N/A
0N/A boolean failed = false;
0N/A
0N/A BufferedReader br = new BufferedReader(
0N/A new StringReader("abc def ghi"));
0N/A if (testReader(br)) {
0N/A failed = true;
0N/A }
0N/A
0N/A CharArrayReader car = new CharArrayReader(new char[2]);
0N/A if (testReader(car)) {
0N/A failed = true;
0N/A }
0N/A
0N/A PushbackReader pbr = new PushbackReader(
0N/A new CharArrayReader(new char[2]));
0N/A if (testReader(pbr)) {
0N/A failed = true;
0N/A }
0N/A if (testPushbackReader(pbr)) {
0N/A failed = true;
0N/A }
0N/A
0N/A StringReader sr = new StringReader("abc def ghi");
0N/A if (testReader(sr)) {
0N/A failed = true;
0N/A }
0N/A
0N/A InputStreamReader isr = new InputStreamReader(
0N/A new ByteArrayInputStream("abc".getBytes()));
0N/A if (testReader(isr)) {
0N/A failed = true;
0N/A }
0N/A
0N/A LineNumberReader lnr = new LineNumberReader(
0N/A new StringReader("abc def ghi"));
0N/A if (testReader(lnr)) {
0N/A failed = true;
0N/A }
0N/A
0N/A File f = new File(System.getProperty("test.dir", "."),
0N/A "NewFile");
0N/A f.createNewFile();
0N/A f.deleteOnExit();
0N/A
0N/A FileReader fr = new FileReader(f);
0N/A if (testReader(fr)) {
0N/A failed = true;
0N/A }
0N/A
0N/A PipedWriter pw = new PipedWriter();
0N/A PipedReader pr = new PipedReader(pw);
0N/A if (testReader(pr)) {
0N/A failed = true;
0N/A }
0N/A if (failed) {
0N/A throw new Exception("Test failed for some of the operation{s}" +
0N/A " on some of the reader{s}, check the messages");
0N/A }
0N/A }
0N/A
0N/A private static boolean testReader(Reader r) throws Exception {
0N/A r.close();
0N/A boolean failed = false;
0N/A boolean result;
0N/A System.out.println("Testing reader:" + r);
0N/A for (OpsAfterClose op : OpsAfterClose.values()) {
0N/A result = op.check(r);
0N/A if (!result) {
0N/A failed = true;
0N/A }
0N/A System.out.println(op + ":" + result);
0N/A }
0N/A if (failed) {
0N/A System.out.println("Test failed for the failed operation{s}" +
0N/A " above for the Reader:" + r);
0N/A }
0N/A return failed;
0N/A }
0N/A
0N/A private static boolean testPushbackReader(PushbackReader pr)
0N/A throws Exception {
0N/A boolean failed = false;
0N/A try {
0N/A pr.unread(1);
0N/A System.out.println("Test failed for unread(int):" + pr);
0N/A failed = true;
0N/A } catch (IOException io) {
0N/A System.out.println("UNREAD(int):true");
0N/A }
0N/A
0N/A char buf[] = new char[2];
0N/A try {
0N/A pr.unread(buf, 0, 2);
0N/A System.out.println("Test failed for unread(buf, offset, len):" +
0N/A pr);
0N/A failed = true;
0N/A } catch (IOException io) {
0N/A System.out.println("UNREAD(buf, offset, len):true");
0N/A }
0N/A try {
0N/A pr.unread(buf);
0N/A System.out.println("Test failed for unread(char[] buf):" + pr);
0N/A failed = true;
0N/A } catch (IOException io) {
0N/A System.out.println("UNREAD(buf):true");
0N/A }
0N/A return failed;
0N/A }
0N/A}