0N/A/*
2362N/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 *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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0N/A */
0N/A
0N/A/* @test
0N/A @bug 4017196
0N/A @summary Test for correct implementation of PushbackInputStream.skip
0N/A */
0N/A
0N/Aimport java.io.*;
0N/A
0N/Apublic class Skip {
0N/A
0N/A private static void dotest(PushbackInputStream in, int expected)
0N/A throws Exception
0N/A {
0N/A int one, two, last, got;
0N/A
0N/A in.unread(4);
0N/A in.unread(5);
0N/A in.unread(6);
0N/A in.skip(2);
0N/A if (in.read() != 4) {
0N/A throw new Exception("Failed the n < pushed back bytes case");
0N/A }
0N/A System.err.println("Passed the n < pushed back bytes case");
0N/A one = in.read();
0N/A two = in.read();
0N/A
0N/A if (two == 7) {
0N/A in.unread(two);
0N/A two = 0;
0N/A }
0N/A in.skip(2);
0N/A last = in.read();
0N/A got = (one + two + last);
0N/A System.err.println("Expected " + expected + " got " + got);
0N/A if (expected != got) {
0N/A throw new Exception("Expected " + expected + " got " + got);
0N/A }
0N/A }
0N/A
0N/A
0N/A public static void main(String args[]) throws Exception {
0N/A byte[] data1 = {1, 7, 1, 0, 4};
0N/A byte[] data2 = {1, 1, 1, 1, 5};
0N/A byte[] data3 = {1, 7, 1, 3, 6};
0N/A PushbackInputStream in;
0N/A
0N/A in = new PushbackInputStream(new ByteArrayInputStream(data1), 3);
0N/A dotest(in, 1);
0N/A in = new PushbackInputStream(new ByteArrayInputStream(data2), 3);
0N/A dotest(in, 7);
0N/A in = new PushbackInputStream(new ByteArrayInputStream(data3), 3);
0N/A dotest(in, 4);
0N/A }
0N/A
0N/A}