0N/A/*
3261N/A * Copyright (c) 2006, 2010, 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 4181483
0N/A * @summary Test if InputStream 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(InputStream is) {
0N/A try {
0N/A int read = is.read();
0N/A System.out.println("read returns: " + read);
0N/A } catch (IOException io) {
0N/A System.out.print("Excep Msg: "+ io.getMessage() + ", ");
0N/A return true;
0N/A }
0N/A return false;
0N/A } },
0N/A
0N/A READ_BUF { boolean check(InputStream is) {
0N/A try {
0N/A byte buf[] = new byte[2];
0N/A int read = is.read(buf);
0N/A System.out.println("read(buf) returns: " + read);
0N/A } catch (IOException io) {
0N/A System.out.print("Excep Msg: "+ io.getMessage() + ", ");
0N/A return true;
0N/A }
0N/A return false;
0N/A } },
0N/A READ_BUF_OFF { boolean check(InputStream is) {
0N/A try {
0N/A byte buf[] = new byte[2];
0N/A int len = 1;
0N/A int read = is.read(buf, 0, len);
0N/A System.out.println("read(buf, 0, len) returns: " + read);
0N/A } catch (IOException io) {
0N/A System.out.print("Excep Msg: "+ io.getMessage() + ", ");
0N/A return true;
0N/A }
0N/A return false;
0N/A } },
0N/A AVAILABLE { boolean check(InputStream is) {
0N/A try {
0N/A int avail = is.available();
0N/A System.out.println("available() returns: " + avail);
0N/A return false;
0N/A } catch (IOException io) {
0N/A System.out.print("Excep Msg: "+ io.getMessage() + ", ");
0N/A return true;
0N/A }
0N/A } },
0N/A SKIP { boolean check(InputStream is) {
0N/A try {
0N/A long skipped = is.skip(1);
0N/A System.out.println("skip() returns: " + skipped);
0N/A } catch (IOException io) {
0N/A System.out.print("Excep Msg: "+ io.getMessage() + ", ");
0N/A return true;
0N/A }
0N/A return false;
0N/A } },
0N/A MARK { boolean check(InputStream is) {
0N/A is.mark(20);
0N/A return true;
0N/A } },
0N/A RESET { boolean check(InputStream is) {
0N/A try {
0N/A is.reset();
0N/A } catch (IOException io) {
0N/A System.out.print("Excep Msg: "+ io.getMessage() + ", ");
0N/A return true;
0N/A }
0N/A return false;
0N/A } },
0N/A MARK_SUPPORTED { boolean check(InputStream is) {
0N/A is.markSupported();
0N/A return true;
0N/A } },
0N/A CLOSE { boolean check(InputStream is) {
0N/A try {
0N/A is.close();
0N/A return true; // No Exception thrown on windows for FileInputStream
0N/A } catch (IOException io) {
0N/A System.out.print("Excep Msg: "+ io.getMessage() + ", ");
0N/A return true; // Exception thrown on solaris and linux for FileInputStream
0N/A }
0N/A } };
0N/A
0N/A abstract boolean check(InputStream is);
0N/A
0N/A public static void main(String args[]) throws Exception {
0N/A
0N/A boolean failed = false;
0N/A
0N/A File f = new File(System.getProperty("test.dir", "."),
0N/A "f.txt");
0N/A f.createNewFile();
0N/A f.deleteOnExit();
0N/A
0N/A FileInputStream fis = new FileInputStream(f);
2497N/A try {
2497N/A if (testInputStream(fis)) {
2497N/A failed = true;
2497N/A }
2497N/A if (testFileInputStream(fis)) {
2497N/A failed = true;
2497N/A }
2497N/A } finally {
2497N/A fis.close();
0N/A }
0N/A
0N/A BufferedInputStream bs = new BufferedInputStream(
0N/A new FileInputStream(f));
2497N/A try {
2497N/A if (testInputStream(bs)) {
2497N/A failed = true;
2497N/A }
2497N/A } finally {
2497N/A bs.close();
0N/A }
0N/A
0N/A DataInputStream dis = new DataInputStream(
0N/A new FileInputStream(f));
2497N/A try {
2497N/A if (testInputStream(dis)) {
2497N/A failed = true;
2497N/A }
2497N/A } finally {
2497N/A dis.close();
0N/A }
0N/A
0N/A PushbackInputStream pbis = new PushbackInputStream(
0N/A new ByteArrayInputStream(new byte[20]));
0N/A if (testInputStream(pbis)) {
0N/A failed = true;
0N/A }
0N/A
0N/A if (testPushbackInputStream(pbis)) {
0N/A failed = true;
0N/A }
0N/A
0N/A PipedInputStream pis = new PipedInputStream(new PipedOutputStream());
0N/A if (testInputStream(pis)) {
0N/A failed = true;
0N/A }
0N/A
0N/A /**
0N/A * The SequenceInputStream and ObjectInputStream does not throw IOException
0N/A
0N/A SequenceInputStream sqis = new SequenceInputStream(
0N/A new FileInputStream(f),
0N/A new PipedInputStream(new PipedOutputStream())
0N/A );
0N/A if (testInputStream(sqis)) {
0N/A failed = true;
0N/A }
0N/A
0N/A String serStr = "abc";
0N/A ObjectOutputStream oos = new ObjectOutputStream(
0N/A new FileOutputStream(f));
0N/A oos.writeObject(serStr);
0N/A oos.close();
0N/A
0N/A ObjectInputStream ois = new ObjectInputStream(
0N/A new FileInputStream(f));
0N/A if (testInputStream(ois)) {
0N/A failed = true;
0N/A }
0N/A
0N/A */
0N/A
0N/A if (failed) {
0N/A throw new Exception(
0N/A "Some Op for some Stream failed, check the failed status above");
0N/A }
0N/A }
0N/A
0N/A private static boolean testInputStream(InputStream is)
0N/A throws Exception {
0N/A is.close();
0N/A boolean failed = false;
0N/A boolean result;
0N/A System.out.println("Testing :" + is);
0N/A for (OpsAfterClose op : OpsAfterClose.values()) {
0N/A
0N/A if (op.equals(AVAILABLE) && (is instanceof PipedInputStream)) {
0N/A // skip the test as available() returns 0
0N/A continue;
0N/A }
0N/A
0N/A result = op.check(is);
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 :" + is);
0N/A }
0N/A return failed;
0N/A }
0N/A
0N/A private static boolean testPushbackInputStream(PushbackInputStream pis)
0N/A throws Exception {
0N/A boolean failed = false;
0N/A try {
0N/A pis.unread(1);
0N/A System.out.println("Test failed for unread(int):" + pis);
0N/A failed = true;
0N/A } catch (IOException io) {
0N/A System.out.println("UNREAD(int):true");
0N/A }
0N/A
0N/A byte buf[] = new byte[2];
0N/A try {
0N/A pis.unread(buf, 0, 2);
0N/A System.out.println("Test failed for unread(buf, offset, len):" +
0N/A pis);
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 pis.unread(buf);
0N/A System.out.println("Test failed for unread(char[] buf):" + pis);
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
0N/A private static boolean testFileInputStream(FileInputStream fis)
0N/A throws Exception {
0N/A boolean failed = false;
0N/A try {
0N/A fis.getFD();
0N/A System.out.println("GetFD: true");
0N/A } catch (IOException io) {
0N/A System.out.println("GetFD: false");
0N/A failed = true;
0N/A }
0N/A fis.getChannel();
0N/A System.out.println("GetChannel: true");
0N/A return failed;
0N/A }
0N/A}