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 /* @test
0N/A * @bug 6336960
0N/A * @summary Validate that GZIPInputStream.readUByte throws the correct
0N/A * exception when read() on the InputStream with which the GZIPInputStream was
0N/A * created returns an out-of-bounds value.
0N/A */
0N/A
0N/Aimport java.io.*;
0N/Aimport java.util.zip.GZIPInputStream;
0N/A
0N/Apublic class ReadUByte {
0N/A /** Guaranteed to return a value that is out-of-spec for read(). */
0N/A static class BrokenInputStream extends ByteArrayInputStream {
0N/A BrokenInputStream() {
0N/A super(new byte[16]);
0N/A }
0N/A
0N/A public int read() {
0N/A return -33;
0N/A }
0N/A }
0N/A
0N/A public static void realMain(String[] args) throws Throwable {
0N/A try {
0N/A new GZIPInputStream(new BrokenInputStream());
0N/A fail("Failed to throw expected IOException");
0N/A } catch (IOException ex) {
0N/A String msg = ex.getMessage();
0N/A if (msg.indexOf("ReadUByte$BrokenInputStream.read() returned value out of range") < 0) {
0N/A fail("IOException contains incorrect message: '" + msg + "'");
0N/A }
0N/A }
0N/A }
0N/A
0N/A //--------------------- Infrastructure ---------------------------
0N/A static volatile int passed = 0, failed = 0;
0N/A static void pass() {passed++;}
0N/A static void fail() {failed++; Thread.dumpStack();}
0N/A static void fail(String msg) {System.out.println(msg); fail();}
0N/A static void unexpected(Throwable t) {failed++; t.printStackTrace();}
0N/A static void check(boolean cond) {if (cond) pass(); else fail();}
0N/A static void equal(Object x, Object y) {
0N/A if (x == null ? y == null : x.equals(y)) pass();
0N/A else fail(x + " not equal to " + y);}
0N/A public static void main(String[] args) throws Throwable {
0N/A try {realMain(args);} catch (Throwable t) {unexpected(t);}
0N/A System.out.println("\nPassed = " + passed + " failed = " + failed);
0N/A if (failed > 0) throw new AssertionError("Some tests failed");}
0N/A}