UmodUpkg_NotExp.java revision 12290:8953c0318163 
1/*
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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5 * This code is free software; you can redistribute it and/or modify it
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8 * particular file as subject to the "Classpath" exception as provided
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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).
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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
38import static jdk.test.lib.Asserts.*;
39
40import java.lang.reflect.Layer;
41import java.lang.module.Configuration;
42import java.lang.module.ModuleDescriptor;
43import java.lang.module.ModuleFinder;
44import java.util.HashMap;
45import java.util.Map;
46import java.util.Set;
47import 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//
58public 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                ModuleDescriptor.module("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                ModuleDescriptor.module("m2")
81                        .requires("java.base")
82                        .contains("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}
123