6857707: Add missing test case for CR 6855164 from its bug description.

Mon, 06 Jul 2009 12:54:17 -0700

author
cfang
date
Mon, 06 Jul 2009 12:54:17 -0700
changeset 1270
73dac61fe300
parent 1269
0f2d888530e7
child 1271
4325cdaa78ad

6857707: Add missing test case for CR 6855164 from its bug description.
Summary: Add missing test case for CR 6855164 from its bug description.
Reviewed-by: never

test/compiler/6855164/Test.java file | annotate | diff | comparison | revisions
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/compiler/6855164/Test.java	Mon Jul 06 12:54:17 2009 -0700
     1.3 @@ -0,0 +1,55 @@
     1.4 +/*
     1.5 + * Copyright 2009 Sun Microsystems, Inc.  All Rights Reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.
    1.11 + *
    1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.15 + * version 2 for more details (a copy is included in the LICENSE file that
    1.16 + * accompanied this code).
    1.17 + *
    1.18 + * You should have received a copy of the GNU General Public License version
    1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.21 + *
    1.22 + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
    1.23 + * CA 95054 USA or visit www.sun.com if you need additional information or
    1.24 + * have any questions.
    1.25 + */
    1.26 +
    1.27 +/*
    1.28 + * @test
    1.29 + * @bug 6855164
    1.30 + * @summary SIGSEGV during compilation of method involving loop over CharSequence
    1.31 + * @run main/othervm -Xbatch Test
    1.32 + */
    1.33 +
    1.34 +public class Test{
    1.35 +    public static void main(String[] args) throws Exception {
    1.36 +        StringBuffer builder = new StringBuffer();
    1.37 +
    1.38 +        for(int i = 0; i < 100; i++)
    1.39 +            builder.append("I am the very model of a modern major general\n");
    1.40 +
    1.41 +        for(int j = 0; j < builder.length(); j++){
    1.42 +            previousSpaceIndex(builder, j);
    1.43 +        }
    1.44 +    }
    1.45 +
    1.46 +    private static final int previousSpaceIndex(CharSequence sb, int seek) {
    1.47 +        seek--;
    1.48 +        while (seek > 0) {
    1.49 +            if (sb.charAt(seek) == ' ') {
    1.50 +                while (seek > 0 && sb.charAt(seek - 1) == ' ')
    1.51 +                    seek--;
    1.52 +                return seek;
    1.53 +            }
    1.54 +            seek--;
    1.55 +        }
    1.56 +        return 0;
    1.57 +    }
    1.58 +}

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