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
  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 }