0N/A/*
2362N/A * Copyright (c) 2003, 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
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0N/A */
0N/A
0N/A/* @test
0N/A * @bug 4175312
0N/A * @summary Test StringReader.skip with negative param
0N/A */
0N/A
0N/Aimport java.io.*;
0N/A
0N/Apublic class Skip {
0N/A public static void main( String argv[] ) throws Exception {
0N/A StringReader in = new StringReader("1234567");
0N/A
0N/A // Skip forward and read
0N/A if (in.skip(3) != 3)
0N/A throw new RuntimeException("skip(3) failed");
0N/A if (in.read() != '4')
0N/A throw new RuntimeException("post skip read failure");
0N/A
0N/A // Skip backward and read
0N/A if (in.skip(-2) != -2)
0N/A throw new RuntimeException("skip(-2) failed");
0N/A if (in.read() != '3')
0N/A throw new RuntimeException("read failed after negative skip");
0N/A
0N/A // Attempt to skip backward past the beginning and read
0N/A if (in.skip(-6) != -3)
0N/A throw new RuntimeException("skip(-6) failed");
0N/A if (in.read() != '1')
0N/A throw new RuntimeException("read after skip past beginning failed");
0N/A
0N/A // Skip beyond the end
0N/A if (in.skip(30) != 6)
0N/A throw new RuntimeException("skip(30) failed");
0N/A if (in.read() != -1)
0N/A throw new RuntimeException("read at EOF failed");
0N/A
0N/A // Test after reaching end of string
0N/A if (in.skip(30) != 0)
0N/A throw new RuntimeException("skip(30) failed");
0N/A if (in.skip(-30) != 0)
0N/A throw new RuntimeException("skip(30) failed");
0N/A }
0N/A}