1 /*

     2  * Copyright (c) 2015, 2019, Oracle and/or its affiliates. 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 /*

    26  * @test

    27  * @summary Tests the format checking of class list format.

    28  *

    29  * @requires vm.cds

    30  * @requires vm.cds.custom.loaders

    31  * @library /test/lib /test/hotspot/jtreg/runtime/cds/appcds

    32  * @modules java.base/jdk.internal.misc

    33  *          java.management

    34  *          jdk.jartool/sun.tools.jar

    35  * @compile ../test-classes/Hello.java test-classes/CustomLoadee.java test-classes/CustomLoadee2.java

    36  *          test-classes/CustomInterface2_ia.java test-classes/CustomInterface2_ib.java

    37  * @run driver ClassListFormatA

    38  */

    39 

    40 public class ClassListFormatA extends ClassListFormatBase {

    41     static {

    42         // Uncomment the following line to run only one of the test cases

    43         // ClassListFormatBase.RUN_ONLY_TEST = "TESTCASE A1";

    44     }

    45 

    46     public static void main(String[] args) throws Throwable {

    47         String appJar = JarBuilder.getOrCreateHelloJar();

    48         String customJarPath = JarBuilder.build("ClassListFormatA", "CustomLoadee",

    49                                             "CustomLoadee2", "CustomInterface2_ia", "CustomInterface2_ib");

    50         //----------------------------------------------------------------------

    51         // TESTGROUP A: general bad input

    52         //----------------------------------------------------------------------

    53         dumpShouldFail(

    54             "TESTCASE A1: bad input - interface: instead of interfaces:",

    55             appJar, classlist(

    56                 "Hello",

    57                 "java/lang/Object id: 1",

    58                 "CustomLoadee interface: 1"

    59             ),

    60             "Unknown input:");

    61 

    62         dumpShouldFail(

    63             "TESTCASE A2: bad input - negative IDs not allowed",

    64             appJar, classlist(

    65                 "Hello",

    66                 "java/lang/Object id: -1"

    67             ),

    68             "Error: negative integers not allowed");

    69 

    70         dumpShouldFail(

    71             "TESTCASE A3: bad input - bad ID (not an integer)",

    72             appJar, classlist(

    73                 "Hello",

    74                 "java/lang/Object id: xyz"

    75             ),

    76             "Error: expected integer");

    77 

    78         if (false) {

    79               // FIXME - classFileParser.cpp needs fixing.

    80             dumpShouldFail(

    81                 "TESTCASE A4: bad input - bad ID (integer too big)",

    82                 appJar, classlist(

    83                     "Hello",

    84                     "java/lang/Object id: 2147483648" // <- this is 0x80000000

    85                 ),

    86                 "Error: expected integer");

    87 

    88               // FIXME

    89             dumpShouldFail(

    90                 "TESTCASE A5: bad input - bad ID (integer too big)",

    91                 appJar, classlist(

    92                     "Hello",

    93                     "java/lang/Object id: 21474836489" // bigger than 32-bit!

    94                 ),

    95                 "Error: expected integer");

    96         }

    97 

    98         // Good input:

    99         dumpShouldPass(

   100             "TESTCASE A6: extraneous spaces, tab characters and trailing new line characters",

   101             appJar, classlist(

   102                 "Hello   ",                   // trailing spaces

   103                 "java/lang/Object\tid:\t1",   // \t instead of ' '

   104                 "CustomLoadee id: 2 super: 1 source: " + customJarPath,

   105                 "CustomInterface2_ia id: 3 super: 1 source: " + customJarPath + " ",

   106                 "CustomInterface2_ib id: 4 super: 1 source: " + customJarPath + "\t\t\r" ,

   107                 "CustomLoadee2 id: 5 super: 1 interfaces: 3 4 source: " + customJarPath      // preceding spaces

   108             ));

   109 

   110         int _max_allowed_line = 4096; // Must match ClassListParser::_max_allowed_line in C code.

   111         int _line_buf_extra = 10;     // Must match ClassListParser::_line_buf_extra in C code.

   112         StringBuffer sbuf = new StringBuffer();

   113         for (int i=0; i<_max_allowed_line+1; i++) {

   114           sbuf.append("x");

   115         }

   116 

   117         dumpShouldFail(

   118             "TESTCASE A7: bad input - line too long",

   119             appJar, classlist(

   120                 sbuf.toString()

   121             ),

   122             "input line too long (must be no longer than " + _max_allowed_line + " chars");

   123 

   124         for (int i=0; i<_line_buf_extra + 1000; i++) {

   125           sbuf.append("X");

   126         }

   127 

   128         dumpShouldFail(

   129             "TESTCASE A8: bad input - line too long: try to overflow C buffer",

   130             appJar, classlist(

   131                 sbuf.toString()

   132             ),

   133             "input line too long (must be no longer than " + _max_allowed_line + " chars");

   134     }

   135 }