Alan Bateman | f30fc1c | 2016-03-17 19:04:01 +0000 | [diff] [blame] | 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 exported to all unnamed, |
| 29 | * then class p1.c1 in an unnamed module can read p2.c2 in module m2. |
| 30 | * @library /testlibrary /test/lib |
Harold Seigel | 33aa33f | 2016-04-18 13:42:52 -0400 | [diff] [blame] | 31 | * @modules java.base/jdk.internal.module |
Alan Bateman | f30fc1c | 2016-03-17 19:04:01 +0000 | [diff] [blame] | 32 | * @compile myloaders/MySameClassLoader.java |
| 33 | * @compile p2/c2.java |
| 34 | * @compile p1/c1.java |
Harold Seigel | 33aa33f | 2016-04-18 13:42:52 -0400 | [diff] [blame] | 35 | * @build ExportAllUnnamed |
| 36 | * @run main/othervm -Xbootclasspath/a:. ExportAllUnnamed |
Alan Bateman | f30fc1c | 2016-03-17 19:04:01 +0000 | [diff] [blame] | 37 | */ |
| 38 | |
| 39 | import static jdk.test.lib.Asserts.*; |
| 40 | |
| 41 | import java.lang.module.Configuration; |
| 42 | import java.lang.module.ModuleDescriptor; |
| 43 | import java.lang.module.ModuleFinder; |
| 44 | import java.lang.reflect.Layer; |
| 45 | import java.lang.reflect.Module; |
| 46 | import java.util.HashMap; |
| 47 | import java.util.Map; |
| 48 | import java.util.Set; |
| 49 | import myloaders.MySameClassLoader; |
| 50 | |
| 51 | // |
| 52 | // ClassLoader1 --> defines m1 --> no packages |
| 53 | // defines m2 --> packages p2 |
| 54 | // |
| 55 | // m1 can read m2 |
| 56 | // package p2 in m2 is exported unqualifiedly |
| 57 | // |
| 58 | // class p1.c1 defined in an unnamed module tries to access p2.c2 defined in m2 |
| 59 | // Access allowed, an unnamed module can read all modules and p2 in module |
| 60 | // m2 is exported to all unnamed modules. |
| 61 | |
| 62 | public class ExportAllUnnamed { |
| 63 | |
| 64 | // Create a Layer over the boot layer. |
| 65 | // Define modules within this layer to test access between |
| 66 | // publically defined classes within packages of those modules. |
| 67 | public void createLayerOnBoot() throws Throwable { |
| 68 | |
| 69 | // Define module: m1 |
| 70 | // Can read: java.base, m2 |
| 71 | // Packages: none |
| 72 | // Packages exported: none |
| 73 | ModuleDescriptor descriptor_m1 = |
| 74 | new ModuleDescriptor.Builder("m1") |
| 75 | .requires("java.base") |
| 76 | .requires("m2") |
| 77 | .build(); |
| 78 | |
| 79 | // Define module: m2 |
| 80 | // Can read: java.base |
| 81 | // Packages: p2 |
| 82 | // Packages exported: p2 is exported unqualifiedly |
| 83 | ModuleDescriptor descriptor_m2 = |
| 84 | new ModuleDescriptor.Builder("m2") |
| 85 | .requires("java.base") |
| 86 | .exports("p2", "m1") |
| 87 | .build(); |
| 88 | |
| 89 | // Set up a ModuleFinder containing all modules for this layer. |
| 90 | ModuleFinder finder = ModuleLibrary.of(descriptor_m1, descriptor_m2); |
| 91 | |
| 92 | // Resolves "m1" |
| 93 | Configuration cf = Layer.boot() |
| 94 | .configuration() |
| 95 | .resolveRequires(finder, ModuleFinder.empty(), Set.of("m1")); |
| 96 | |
| 97 | // map each module to differing class loaders for this test |
| 98 | Map<String, ClassLoader> map = new HashMap<>(); |
| 99 | map.put("m1", MySameClassLoader.loader1); |
| 100 | map.put("m2", MySameClassLoader.loader1); |
| 101 | |
| 102 | // Create Layer that contains m1 & m2 |
| 103 | Layer layer = Layer.boot().defineModules(cf, map::get); |
| 104 | |
| 105 | assertTrue(layer.findLoader("m1") == MySameClassLoader.loader1); |
| 106 | assertTrue(layer.findLoader("m2") == MySameClassLoader.loader1); |
| 107 | assertTrue(layer.findLoader("java.base") == null); |
| 108 | |
| 109 | Class p2_c2_class = MySameClassLoader.loader1.loadClass("p2.c2"); |
| 110 | Module m2 = p2_c2_class.getModule(); |
| 111 | |
| 112 | // Export m2/p2 to all unnamed modules. |
| 113 | jdk.internal.module.Modules.addExportsToAllUnnamed(m2, "p2"); |
| 114 | |
| 115 | // now use the same loader to load class p1.c1 |
| 116 | Class p1_c1_class = MySameClassLoader.loader1.loadClass("p1.c1"); |
| 117 | try { |
| 118 | p1_c1_class.newInstance(); |
| 119 | } catch (IllegalAccessError e) { |
| 120 | throw new RuntimeException("Test Failed, unnamed module failed to access public type p2.c2 " + |
| 121 | "that was exported to all unnamed"); |
| 122 | } |
| 123 | } |
| 124 | |
| 125 | public static void main(String args[]) throws Throwable { |
| 126 | ExportAllUnnamed test = new ExportAllUnnamed(); |
| 127 | test.createLayerOnBoot(); |
| 128 | } |
| 129 | } |