52 lines
1.9 KiB
Java
52 lines
1.9 KiB
Java
/*
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* Copyright (c) 2016, 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 8163518
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* @summary Integer overflow when skipping a lot
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*/
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import java.io.CharArrayReader;
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public class OverflowInSkip {
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public static void main(String[] args) throws Exception {
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char[] a = "_123456789_123456789_123456789_123456789"
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.toCharArray(); // a.length > 33
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try (CharArrayReader car = new CharArrayReader(a)) {
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long small = 33;
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long big = Long.MAX_VALUE;
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long smallSkip = car.skip(small);
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if (smallSkip != small)
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throw new Exception("Expected to skip " + small
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+ " chars, but skipped " + smallSkip);
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long expSkip = a.length - small;
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long bigSkip = car.skip(big);
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if (bigSkip != expSkip)
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throw new Exception("Expected to skip " + expSkip
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+ " chars, but skipped " + bigSkip);
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}
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}
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}
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