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 p6 in module m2 is not exported, then class c5
29 * in an unnamed module can not access p6.c2 in module m2.
30 * @modules java.base/jdk.internal.misc
31 * @library /test/lib
32 * @compile myloaders/MySameClassLoader.java
33 * @compile p6/c6.java
34 * @compile c5.java
35 * @run main/othervm -Xbootclasspath/a:. UmodUpkg_NotExp
36 */
37
38 import static jdk.test.lib.Asserts.*;
39
40 import java.lang.reflect.Layer;
41 import java.lang.module.Configuration;
42 import java.lang.module.ModuleDescriptor;
43 import java.lang.module.ModuleFinder;
44 import java.util.HashMap;
45 import java.util.Map;
46 import java.util.Set;
47 import myloaders.MySameClassLoader;
48
49 // ClassLoader1 --> defines m1 --> no packages
50 // defines m2 --> packages p6
51 //
52 // m1 can read m2
53 // package p6 in m2 is not exported
54 //
55 // class c5 defined in an unnamed module tries to access p6.c2 defined in m2
56 // Access denied since p6 is not exported.
57 //
58 public class UmodUpkg_NotExp {
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: m1
66 // Can read: java.base, m2
67 // Packages: none
68 // Packages exported: none
69 ModuleDescriptor descriptor_m1 =
70 new ModuleDescriptor.Builder("m1")
71 .requires("java.base")
72 .requires("m2")
73 .build();
74
75 // Define module: m2
76 // Can read: java.base
77 // Packages: p6
78 // Packages exported: none
79 ModuleDescriptor descriptor_m2 =
80 new ModuleDescriptor.Builder("m2")
81 .requires("java.base")
82 .conceals("p6")
83 .build();
84
85 // Set up a ModuleFinder containing all modules for this layer.
86 ModuleFinder finder = ModuleLibrary.of(descriptor_m1, descriptor_m2);
87
88 // Resolves "m1"
89 Configuration cf = Layer.boot()
90 .configuration()
91 .resolveRequires(finder, ModuleFinder.of(), Set.of("m1"));
92
93 // map each module to the same class loader for this test
94 Map<String, ClassLoader> map = new HashMap<>();
95 map.put("m1", MySameClassLoader.loader1);
96 map.put("m2", MySameClassLoader.loader1);
97
98 // Create Layer that contains m1 and m2
99 Layer layer = Layer.boot().defineModules(cf, map::get);
100
101 assertTrue(layer.findLoader("m1") == MySameClassLoader.loader1);
102 assertTrue(layer.findLoader("m2") == MySameClassLoader.loader1);
103 assertTrue(layer.findLoader("java.base") == null);
104
105 // now use the same loader to load class c5
106 Class c5_class = MySameClassLoader.loader1.loadClass("c5");
107 try {
108 c5_class.newInstance();
109 throw new RuntimeException("Failed to get IAE (p6 in m2 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 UmodUpkg_NotExp test = new UmodUpkg_NotExp();
120 test.createLayerOnBoot();
121 }
122 }