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. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 /*
27 * @test
28 * @summary Test that if module m1x can read module m2x, but package p2 in m2x is not
29 * exported, then class p1.c1 in m1x can not read p2.c2 in m2x.
30 * @modules java.base/jdk.internal.misc
31 * @library /test/lib
32 * @compile myloaders/MySameClassLoader.java
33 * @compile p2/c2.java
34 * @compile p1/c1.java
35 * @run main/othervm -Xbootclasspath/a:. PkgNotExp
36 */
37
38 import static jdk.test.lib.Asserts.*;
39
40 import java.lang.module.Configuration;
41 import java.lang.module.ModuleDescriptor;
42 import java.lang.module.ModuleFinder;
43 import java.util.HashMap;
44 import java.util.Map;
45 import java.util.Set;
46 import myloaders.MySameClassLoader;
47
48 //
49 // ClassLoader1 --> defines m1x --> packages p1
50 // defines m2x --> packages p2
51 //
52 // m1x can read m2x
53 // package p2 in m2x is not exported
54 //
55 // class p1.c1 defined in m1x tries to access p2.c2 defined in m2x
56 // Access denied since p2 is not exported.
57 //
58 public class PkgNotExp {
59
60 // Create a layer over the boot layer.
61 // Define modules within this layer to test access between
62 // publically defined classes within packages of those modules.
63 public void createLayerOnBoot() throws Throwable {
64
65 // Define module: m1x
66 // Can read: java.base, m2x
67 // Packages: p1
68 // Packages exported: p1 is exported unqualifiedly
69 ModuleDescriptor descriptor_m1x =
70 ModuleDescriptor.newModule("m1x")
71 .requires("java.base")
72 .requires("m2x")
73 .exports("p1")
74 .build();
75
76 // Define module: m2x
77 // Can read: java.base
78 // Packages: p2
79 // Packages exported: none
80 ModuleDescriptor descriptor_m2x =
81 ModuleDescriptor.newModule("m2x")
82 .requires("java.base")
83 .packages(Set.of("p2"))
84 .build();
85
86 // Set up a ModuleFinder containing all modules for this layer.
87 ModuleFinder finder = ModuleLibrary.of(descriptor_m1x, descriptor_m2x);
88
89 // Resolves "m1x"
90 Configuration cf = ModuleLayer.boot()
91 .configuration()
92 .resolve(finder, ModuleFinder.of(), Set.of("m1x"));
93
94 // map each module to the same class loader for this test
95 Map<String, ClassLoader> map = new HashMap<>();
96 map.put("m1x", MySameClassLoader.loader1);
97 map.put("m2x", MySameClassLoader.loader1);
98
99 // Create layer that contains m1x and m2x
100 ModuleLayer layer = ModuleLayer.boot().defineModules(cf, map::get);
101
102 assertTrue(layer.findLoader("m1x") == MySameClassLoader.loader1);
103 assertTrue(layer.findLoader("m2x") == MySameClassLoader.loader1);
104
105 // now use the same loader to load class p1.c1
106 Class p1_c1_class = MySameClassLoader.loader1.loadClass("p1.c1");
107 try {
108 p1_c1_class.newInstance();
109 throw new RuntimeException("Failed to get IAE (p2 in m2x is not exported)");
110 } catch (IllegalAccessError e) {
111 System.out.println(e.getMessage());
112 if (!e.getMessage().contains("does not export")) {
113 throw new RuntimeException("Wrong message: " + e.getMessage());
114 }
115 }
116 }
117
118 public static void main(String args[]) throws Throwable {
119 PkgNotExp test = new PkgNotExp();
120 test.createLayerOnBoot();
121 }
122 }