70 lines
2.0 KiB
Java
70 lines
2.0 KiB
Java
/*
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* Copyright (c) 1997, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/* @test
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@bug 1238944
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@summary Check for correct implementation of LineNumberInputStream.available
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*/
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import java.io.*;
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public class Available {
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static void check(int a, int bound) throws Exception {
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if (a > bound) {
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throw new Exception("Available returned " + a + " > " + bound);
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}
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}
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public static void main(String args[]) throws Exception {
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LineNumberInputStream in = new LineNumberInputStream(new MyInStream());
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check(in.available(), 5);
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in.read();
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in.read();
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check(in.available(), 4);
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in.read();
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in.read();
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in.read();
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check(in.available(), 2);
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}
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}
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class MyInStream extends InputStream {
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char[] buf = {'a', 'b', 'c', 'd', '\n',
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'e', 'f', '\r', '\n', 'g'};
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int ctr = 0;
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public int read() {
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return ((ctr == 12) ? -1 : (int)buf[ctr++]);
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}
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public int available() {
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return (10 - ctr);
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}
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}
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