1 /*
2 * Copyright (c) 2016, 2017, 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 * @test
26 * @requires vm.cds
27 * @summary classes which are not useable during run time should not be included in the classlist
28 * @library /test/lib
29 * @modules java.base/jdk.internal.misc
30 * jdk.jartool/sun.tools.jar
31 * @build PatchModuleMain
32 * @run main PatchModuleClassList
33 */
34
35 import java.nio.file.Files;
36 import java.nio.file.Paths;
37 import jdk.test.lib.compiler.InMemoryJavaCompiler;
38 import jdk.test.lib.process.OutputAnalyzer;
39 import jdk.test.lib.process.ProcessTools;
40
41 public class PatchModuleClassList {
42 private static final String BOOT_CLASS = "javax/naming/spi/NamingManager";
43 private static final String PLATFORM_CLASS = "javax/transaction/InvalidTransactionException";
44
45 public static void main(String args[]) throws Throwable {
46 // Case 1. A class to be loaded by the boot class loader
47
48 // Create a class file in the module java.naming. This class file
49 // will be put in the javanaming.jar file.
50 String source = "package javax.naming.spi; " +
51 "public class NamingManager { " +
52 " static { " +
53 " System.out.println(\"I pass!\"); " +
54 " } " +
55 "}";
56
57 ClassFileInstaller.writeClassToDisk(BOOT_CLASS,
58 InMemoryJavaCompiler.compile(BOOT_CLASS.replace('/', '.'), source, "--patch-module=java.naming"),
59 System.getProperty("test.classes"));
60
61 // Build the jar file that will be used for the module "java.naming".
62 BasicJarBuilder.build("javanaming", BOOT_CLASS);
63 String moduleJar = BasicJarBuilder.getTestJar("javanaming.jar");
64
65 String classList = "javanaming.list";
66 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
67 true,
68 "-XX:DumpLoadedClassList=" + classList,
69 "--patch-module=java.naming=" + moduleJar,
70 "PatchModuleMain", BOOT_CLASS.replace('/', '.'));
71 new OutputAnalyzer(pb.start()).shouldHaveExitValue(0);
72
73 // check the generated classlist file
74 String content = new String(Files.readAllBytes(Paths.get(classList)));
75 if (content.indexOf(BOOT_CLASS) >= 0) {
76 throw new RuntimeException(BOOT_CLASS + " should not be in the classlist");
77 }
78
79 // Case 2. A class to be loaded by the platform class loader
80
81 // Create a class file in the module java.transaction. This class file
82 // will be put in the javatransaction.jar file.
83 source = "package javax.transaction; " +
84 "public class InvalidTransactionException { " +
85 " static { " +
86 " System.out.println(\"I pass!\"); " +
87 " } " +
88 "}";
89
90 ClassFileInstaller.writeClassToDisk(PLATFORM_CLASS,
91 InMemoryJavaCompiler.compile(PLATFORM_CLASS.replace('/', '.'), source, "--patch-module=java.transaction"),
92 System.getProperty("test.classes"));
93
94 // Build the jar file that will be used for the module "java.transaction".
95 BasicJarBuilder.build("javatransaction", PLATFORM_CLASS);
96 moduleJar = BasicJarBuilder.getTestJar("javatransaction.jar");
97
98 classList = "javatransaction.list";
99 pb = ProcessTools.createJavaProcessBuilder(
100 true,
101 "-XX:DumpLoadedClassList=" + classList,
102 "--patch-module=java.naming=" + moduleJar,
103 "PatchModuleMain", PLATFORM_CLASS.replace('/', '.'));
104 new OutputAnalyzer(pb.start()).shouldHaveExitValue(0);
105
106 // check the generated classlist file
107 content = new String(Files.readAllBytes(Paths.get(classList)));
108 if (content.indexOf(PLATFORM_CLASS) >= 0) {
109 throw new RuntimeException(PLATFORM_CLASS + " should not be in the classlist");
110 }
111
112 // Case 3. A class to be loaded from the bootclasspath/a
113
114 // Create a simple class file
115 source = "public class Hello { " +
116 " public static void main(String args[]) { " +
117 " System.out.println(\"Hello\"); " +
118 " } " +
119 "}";
120
121 ClassFileInstaller.writeClassToDisk("Hello",
122 InMemoryJavaCompiler.compile("Hello", source),
123 System.getProperty("test.classes"));
124
125 // Build hello.jar
126 BasicJarBuilder.build("hello", "Hello");
127 moduleJar = BasicJarBuilder.getTestJar("hello.jar");
128
129 classList = "hello.list";
130 pb = ProcessTools.createJavaProcessBuilder(
131 true,
132 "-XX:DumpLoadedClassList=" + classList,
133 "-Xbootclasspath/a:" + moduleJar,
134 "Hello");
135 new OutputAnalyzer(pb.start()).shouldHaveExitValue(0);
136
137 // check the generated classlist file
138 content = new String(Files.readAllBytes(Paths.get(classList)));
139 if (content.indexOf("Hello") < 0) {
140 throw new RuntimeException("Hello should be in the classlist");
141 }
142 }
143 }