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.
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 static jdk.test.lib.Asserts.*;
25
26 /*
27 * @test
28 * @modules java.base/jdk.internal.misc
29 * @library /test/lib ..
30 * @compile p2/c2.java
31 * @compile p1/c1.java
32 * @build sun.hotspot.WhiteBox
33 * @compile/module=java.base java/lang/ModuleHelper.java
34 * @run main ClassFileInstaller sun.hotspot.WhiteBox
35 * sun.hotspot.WhiteBox$WhiteBoxPermission
36 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI JVMAddModuleExportsToAll
37 */
38
39 public class JVMAddModuleExportsToAll {
40
41 // Test a series of error conditions for API JVM_AddModuleExportsToAll()
42 // and then test that a class in the unnamed module can access a package in
43 // a named module that has been exported unqualifiedly.
44 public static void main(String args[]) throws Throwable {
45 Object m1x, m2x, m3x;
46
47 // Get the java.lang.Module object for module java.base.
48 Class jlObject = Class.forName("java.lang.Object");
49 Object jlObject_jlM = jlObject.getModule();
50 assertNotNull(jlObject_jlM, "jlModule object of java.lang.Object should not be null");
51
52 // Get the class loader for JVMAddModuleExportsToAll and assume it's also used to
53 // load class p2.c2.
54 ClassLoader this_cldr = JVMAddModuleExportsToAll.class.getClassLoader();
55
56 // Define a module for p3.
57 m1x = ModuleHelper.ModuleObject("module_one", this_cldr, new String[] { "p3" });
58 assertNotNull(m1x, "Module should not be null");
59 ModuleHelper.DefineModule(m1x, "9.0", "m1x/there", new String[] { "p3" });
60 ModuleHelper.AddReadsModule(m1x, jlObject_jlM);
61
62 // Define a module for p2.
63 m2x = ModuleHelper.ModuleObject("module_two", this_cldr, new String[] { "p2" });
64 assertNotNull(m2x, "Module should not be null");
65 ModuleHelper.DefineModule(m2x, "9.0", "m2x/there", new String[] { "p2" });
66 ModuleHelper.AddReadsModule(m2x, jlObject_jlM);
67
68 try {
69 ModuleHelper.AddModuleExportsToAll((Module)null, "p2");
70 throw new RuntimeException("Failed to get the expected NPE for null module");
71 } catch(NullPointerException e) {
72 // Expected
73 }
74
75 try {
76 ModuleHelper.AddModuleExportsToAll(m2x, null);
77 throw new RuntimeException("Failed to get the expected NPE for null package");
78 } catch(NullPointerException e) {
79 // Expected
80 }
81
82 try { // Expect IAE when passing a ClassLoader object instead of a java.lang.Module object.
83 ModuleHelper.AddModuleExportsToAll(this_cldr, "p2");
84 throw new RuntimeException("Failed to get the expected IAE for bad module");
85 } catch(IllegalArgumentException e) {
86 // Expected
87 }
88
89 try {
90 ModuleHelper.AddModuleExportsToAll(m2x, "p3");
91 throw new RuntimeException("Failed to get the expected IAE for package that is in another module");
92 } catch(IllegalArgumentException e) {
93 // Expected
94 }
95
96 try {
97 ModuleHelper.AddModuleExportsToAll(m2x, "p4");
98 throw new RuntimeException("Failed to get the expected IAE for package not in any module");
99 } catch(IllegalArgumentException e) {
100 // Expected
101 }
102
103 // Export package p2 in m2x unqualifiedly. Then, do a qualified export
104 // of p2 in m2x to m3x. This should not affect the unqualified export.
105 m3x = ModuleHelper.ModuleObject("module_three", this_cldr, new String[] { "p4" });
106 assertNotNull(m3x, "Module m3x should not be null");
107 ModuleHelper.DefineModule(m3x, "9.0", "m3x/there", new String[] { "p4" });
108 ModuleHelper.AddModuleExportsToAll(m2x, "p2");
109 ModuleHelper.AddModuleExports(m2x, "p2", m3x);
110
111 // p1.c1's ctor tries to call a method in p2.c2. This should succeed because
112 // p1 is in an unnamed module and p2.c2 is exported unqualifiedly.
113 Class p1_c1_class = Class.forName("p1.c1");
114 try {
115 Object c1_obj = p1_c1_class.newInstance();
116 } catch (IllegalAccessError f) {
117 throw new RuntimeException(
118 "Class in unnamed module could not access package p2 exported unqualifieldly");
119 }
120 }
121 }
122