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.
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 import java.lang.reflect.Module;
25 import static jdk.test.lib.Asserts.*;
26
27 /*
28 * @test
29 * @modules java.base/jdk.internal.misc
30 * @library /testlibrary /test/lib /compiler/whitebox ..
31 * @compile p2/c2.java
32 * @compile p1/c1.java
33 * @build sun.hotspot.WhiteBox
34 * @compile/module=java.base java/lang/reflect/ModuleHelper.java
35 * @run main ClassFileInstaller sun.hotspot.WhiteBox
36 * sun.hotspot.WhiteBox$WhiteBoxPermission
37 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI AccessCheckAllUnnamed
38 */
39
40 public class AccessCheckAllUnnamed {
41
42 // Test a series of error conditions for API JVM_AddModuleExportsToAllUnnamed
43 // and then test that a class in the unnamed module can access a package in a
44 // named module that has been exported to all unnamed modules.
45 public static void main(String args[]) throws Throwable {
46 Object m1, m2;
47
48 // Get the java.lang.reflect.Module object for module java.base.
49 Class jlObject = Class.forName("java.lang.Object");
50 Object jlObject_jlrM = jlObject.getModule();
51 assertNotNull(jlObject_jlrM, "jlrModule object of java.lang.Object should not be null");
52
53 // Get the class loader for AccessCheckWorks and assume it's also used to
54 // load class p2.c2.
55 ClassLoader this_cldr = AccessCheckAllUnnamed.class.getClassLoader();
56
57 // Define a module for p3.
58 m1 = ModuleHelper.ModuleObject("module1", this_cldr, new String[] { "p3" });
59 assertNotNull(m1, "Module should not be null");
60 ModuleHelper.DefineModule(m1, "9.0", "m1/there", new String[] { "p3" });
61 ModuleHelper.AddReadsModule(m1, jlObject_jlrM);
62
63 // Define a module for p2.
64 m2 = ModuleHelper.ModuleObject("module2", this_cldr, new String[] { "p2" });
65 assertNotNull(m2, "Module should not be null");
66 ModuleHelper.DefineModule(m2, "9.0", "m2/there", new String[] { "p2" });
67 ModuleHelper.AddReadsModule(m2, jlObject_jlrM);
68
69 try {
70 ModuleHelper.AddModuleExportsToAllUnnamed((Module)null, "p2");
71 throw new RuntimeException("Failed to get the expected NPE for null module");
72 } catch(NullPointerException e) {
73 // Expected
74 }
75
76 try {
77 ModuleHelper.AddModuleExportsToAllUnnamed(m2, null);
78 throw new RuntimeException("Failed to get the expected NPE for null package");
79 } catch(NullPointerException e) {
80 // Expected
81 }
82
83 try {
84 ModuleHelper.AddModuleExportsToAllUnnamed(this_cldr, "p2");
85 throw new RuntimeException("Failed to get the expected IAE for bad module");
86 } catch(IllegalArgumentException e) {
87 // Expected
88 }
89
90 try {
91 ModuleHelper.AddModuleExportsToAllUnnamed(m2, "p3");
92 throw new RuntimeException("Failed to get the expected IAE for package in other module");
93 } catch(IllegalArgumentException e) {
94 // Expected
95 }
96
97 try {
98 ModuleHelper.AddModuleExportsToAllUnnamed(m2, "p4");
99 throw new RuntimeException("Failed to get the expected IAE for package not in module");
100 } catch(IllegalArgumentException e) {
101 // Expected
102 }
103
104 // Export package p2 in m2 to allUnnamed.
105 ModuleHelper.AddModuleExportsToAllUnnamed(m2, "p2");
106
107 // p1.c1's ctor tries to call a method in p2.c2. This should succeed because
108 // p1 is in an unnamed module and p2.c2 is exported to all unnamed modules.
109 Class p1_c1_class = Class.forName("p1.c1");
110 try {
111 Object c1_obj = p1_c1_class.newInstance();
112 } catch (IllegalAccessError f) {
113 throw new RuntimeException(
114 "Class in unnamed module could not access package p2 exported to all unnamed modules");
115 }
116 }
117 }
118