0N/A/*
3643N/A * Copyright (c) 1997, 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 *
1472N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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0N/A */
0N/A
0N/A
1879N/A/* @test
1879N/A @bug 4017414
1879N/A @summary Check for correct implementation of PushbackInputStream.available
1879N/A */
1879N/A
1879N/Aimport java.io.*;
1879N/A
1879N/A
1879N/A
1879N/Apublic class Available{
1879N/A
3081N/A private static void dotest(PushbackInputStream in , int expected)
1879N/A throws Exception
1879N/A {
1879N/A
1879N/A int got = in.available();
1879N/A System.err.println("available must be " + expected + " , got : " + got);
1879N/A if (got != expected) {
1879N/A throw new
0N/A RuntimeException("Unexpected number of bytes available in the PushBackInputStream");
0N/A }
0N/A
0N/A }
0N/A
0N/A
0N/A
0N/A public static void main(String args[]) throws Exception{
0N/A
0N/A PushbackInputStream in = new
0N/A PushbackInputStream(new ByteArrayInputStream(new byte[10]),5);
0N/A
0N/A dotest(in , 10);
0N/A
0N/A in.read();
0N/A dotest(in , 9);
0N/A
0N/A in.unread(20);
0N/A dotest(in , 10);
0N/A
0N/A in.unread(20);
0N/A dotest(in , 11);
0N/A
0N/A }
0N/A
0N/A}
0N/A