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 }