1 /*

     2  * Copyright 2015 SAP AG.  All Rights Reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 

    24 /*

    25  * @test

    26  * @bug 8068909

    27  * @key regression

    28  * @summary test that string optimizations produce code, that doesn't lead to a crash.

    29  * @run main/othervm -XX:-BackgroundCompilation -XX:-UseOnStackReplacement TestOptimizeStringConcat

    30  * @author axel.siebenborn@sap.com

    31  */

    32 public class TestOptimizeStringConcat {

    33 

    34     static boolean checkArgumentSyntax(String value, String allowedchars, String notallowedchars, String logmsg) {

    35         String rc = null;

    36 

    37         int maxchar = 99999;

    38         int minchar = 1;

    39         if ((allowedchars != null && notallowedchars != null) || minchar > maxchar) {

    40             rc = "internal error";

    41         } else {

    42             if (value == null) {

    43                 rc = "the value null is not allowed, it is missing";

    44             } else if (value != null && minchar > 0 && value.trim().equals("")) {

    45                 rc = "the value must not be empty";

    46             } else if (value != null) {

    47                 if (value.length() < minchar || value.length() > maxchar) {

    48                     if (rc == null) {

    49                         rc = "the value length must be between +minchar+ and +maxchar";

    50                     }

    51                 }

    52                 char[] _value = value.toCharArray();

    53                 boolean dotfound = false;

    54                 int i = 1;

    55                 if (_value[i] == '.' && !dotfound) {

    56                     dotfound = true;

    57                 } else if (allowedchars != null && allowedchars.indexOf(_value[i]) == -1) {

    58                     if (rc == null) {

    59                         rc = "the value contains an illegal character: '" + _value[i] + "', only following characters are allowed: '+allowedchars+'";

    60                     } else {

    61                         rc += " / the value contains an illegal character: '" + _value[i] + "', only following characters are allowed: '+allowedchars+'";

    62                     }

    63                 } else if (notallowedchars != null && notallowedchars.indexOf(_value[i]) != -1) {

    64                     if (rc == null) {

    65                         rc = "the value contains an illegal character: '" + _value[i] + "', following characters are not allowed '+notallowedchars+'";

    66                     } else {

    67                         rc += " / the value contains an illegal character: '" + _value[i] + "', following characters are not allowed '+notallowedchars+'";

    68                     }

    69                 }

    70             }

    71         }

    72 

    73         if (rc != null) {

    74             System.out.println(logmsg + " ==> " + rc);

    75             return false;

    76         }

    77         return true;

    78     }

    79 

    80     public static void main(String[] args) {

    81         boolean failed = false;

    82         for (int i = 0; i < 10000; i++) {

    83             failed |= !checkArgumentSyntax("theName", null, "\"<&", "Error consistencyCheck: name in component definition");

    84             failed |= !checkArgumentSyntax(null, null, "\"<&", "Error consistencyCheck: name in component definition");

    85             failed |= !checkArgumentSyntax("42", "0123456789.", null, "Error consistencyCheck: counter in component definition");

    86         }

    87         System.out.println(failed);

    88     }

    89 }