1 /*
2 * Copyright (c) 2016, 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 if package p2 in module m2 is not exported, then class p1.c1
29 * in an unnamed module can not access p2.c2 in module m2.
30 * @modules java.base/jdk.internal.misc
31 * @library /testlibrary /test/lib
32 * @compile myloaders/MySameClassLoader.java
33 * @compile p2/c2.java
34 * @compile p1/c1.java
35 * @build Umod_PkgNotExp
36 * @run main/othervm -Xbootclasspath/a:. Umod_PkgNotExp
37 */
38
39 import static jdk.test.lib.Asserts.*;
40
41 import java.lang.reflect.Layer;
42 import java.lang.module.Configuration;
43 import java.lang.module.ModuleDescriptor;
44 import java.lang.module.ModuleFinder;
45 import java.util.HashMap;
46 import java.util.Map;
47 import java.util.Set;
48 import myloaders.MySameClassLoader;
49
50 // ClassLoader1 --> defines m1 --> no packages
51 // defines m2 --> packages p2
52 //
53 // m1 can read m2
54 // package p2 in m2 is not exported
55 //
56 // class p1.c1 defined in an unnamed module tries to access p2.c2 defined in m2
57 // Access denied since p2 is not exported.
58 //
59 public class Umod_PkgNotExp {
60
61 // Create a Layer over the boot layer.
62 // Define modules within this layer to test access between
63 // publically defined classes within packages of those modules.
64 public void createLayerOnBoot() throws Throwable {
65
66 // Define module: m1
67 // Can read: java.base, m2
68 // Packages: none
69 // Packages exported: none
70 ModuleDescriptor descriptor_m1 =
71 new ModuleDescriptor.Builder("m1")
72 .requires("java.base")
73 .requires("m2")
74 .build();
75
76 // Define module: m2
77 // Can read: java.base
78 // Packages: p2
79 // Packages exported: none
80 ModuleDescriptor descriptor_m2 =
81 new ModuleDescriptor.Builder("m2")
82 .requires("java.base")
83 .conceals("p2")
84 .build();
85
86 // Set up a ModuleFinder containing all modules for this layer.
87 ModuleFinder finder = ModuleLibrary.of(descriptor_m1, descriptor_m2);
88
89 // Resolves "m1"
90 Configuration cf = Layer.boot()
91 .configuration()
92 .resolveRequires(finder, ModuleFinder.of(), Set.of("m1"));
93
94 // map each module to the same class loader for this test
95 Map<String, ClassLoader> map = new HashMap<>();
96 map.put("m1", MySameClassLoader.loader1);
97 map.put("m2", MySameClassLoader.loader1);
98
99 // Create Layer that contains m1 and m2
100 Layer layer = Layer.boot().defineModules(cf, map::get);
101
102 assertTrue(layer.findLoader("m1") == MySameClassLoader.loader1);
103 assertTrue(layer.findLoader("m2") == MySameClassLoader.loader1);
104 assertTrue(layer.findLoader("java.base") == null);
105
106 // now use the same loader to load class p1.c1
107 Class p1_c1_class = MySameClassLoader.loader1.loadClass("p1.c1");
108 try {
109 p1_c1_class.newInstance();
110 throw new RuntimeException("Failed to get IAE (p2 in m2 is not exported)");
111 } catch (IllegalAccessError e) {
112 System.out.println(e.getMessage());
113 if (!e.getMessage().contains("does not export")) {
114 throw new RuntimeException("Wrong message: " + e.getMessage());
115 }
116 }
117 }
118
119 public static void main(String args[]) throws Throwable {
120 Umod_PkgNotExp test = new Umod_PkgNotExp();
121 test.createLayerOnBoot();
122 }
123 }