| /* |
| * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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| */ |
| |
| /* |
| * @test |
| * @summary class p1.c1 defined in m1x tries to access p2.c2 defined in m2x. |
| * Access allowed since m1x can read m2x and package p2 is exported to m1x. |
| * @modules java.base/jdk.internal.misc |
| * @library /test/lib |
| * @compile myloaders/MyDiffClassLoader.java |
| * @compile p2/c2.java |
| * @compile p1/c1.java |
| * @run main/othervm -Xbootclasspath/a:. DiffCL_ExpQualToM1 |
| */ |
| |
| import static jdk.test.lib.Asserts.*; |
| |
| import java.lang.module.Configuration; |
| import java.lang.module.ModuleDescriptor; |
| import java.lang.module.ModuleFinder; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Set; |
| import myloaders.MyDiffClassLoader; |
| |
| // |
| // ClassLoader1 --> defines m1x --> packages p1 |
| // ClassLoader2 --> defines m2x --> packages p2 |
| // |
| // m1x can read m2x |
| // package p2 in m2x is exported to m1x |
| // |
| // class p1.c1 defined in m1x tries to access p2.c2 defined in m2x |
| // Access allowed since m1x can read m2x and package p2 is exported to m1x. |
| // |
| public class DiffCL_ExpQualToM1 { |
| |
| // Create a layer over the boot layer. |
| // Define modules within this layer to test access between |
| // publically defined classes within packages of those modules. |
| public void createLayerOnBoot() throws Throwable { |
| |
| // Define module: m1x |
| // Can read: java.base, m2x |
| // Packages: p1 |
| // Packages exported: p1 is exported to unqualifiedly |
| ModuleDescriptor descriptor_m1x = |
| ModuleDescriptor.newModule("m1x") |
| .requires("java.base") |
| .requires("m2x") |
| .exports("p1") |
| .build(); |
| |
| // Define module: m2x |
| // Can read: java.base |
| // Packages: p2 |
| // Packages exported: package p2 is exported to m1x |
| ModuleDescriptor descriptor_m2x = |
| ModuleDescriptor.newModule("m2x") |
| .requires("java.base") |
| .exports("p2", Set.of("m1x")) |
| .build(); |
| |
| // Set up a ModuleFinder containing all modules for this layer. |
| ModuleFinder finder = ModuleLibrary.of(descriptor_m1x, descriptor_m2x); |
| |
| // Resolves "m1x" |
| Configuration cf = ModuleLayer.boot() |
| .configuration() |
| .resolve(finder, ModuleFinder.of(), Set.of("m1x")); |
| |
| // map each module to differing class loaders for this test |
| Map<String, ClassLoader> map = new HashMap<>(); |
| map.put("m1x", MyDiffClassLoader.loader1); |
| map.put("m2x", MyDiffClassLoader.loader2); |
| |
| // Create layer that contains m1x & m2x |
| ModuleLayer layer = ModuleLayer.boot().defineModules(cf, map::get); |
| |
| assertTrue(layer.findLoader("m1x") == MyDiffClassLoader.loader1); |
| assertTrue(layer.findLoader("m2x") == MyDiffClassLoader.loader2); |
| assertTrue(layer.findLoader("java.base") == null); |
| |
| // now use the same loader to load class p1.c1 |
| Class p1_c1_class = MyDiffClassLoader.loader1.loadClass("p1.c1"); |
| try { |
| p1_c1_class.newInstance(); |
| } catch (IllegalAccessError e) { |
| throw new RuntimeException("Test Failed, an IAE should not be thrown since p2 is exported qualifiedly to m1x"); |
| } |
| } |
| |
| public static void main(String args[]) throws Throwable { |
| DiffCL_ExpQualToM1 test = new DiffCL_ExpQualToM1(); |
| test.createLayerOnBoot(); |
| } |
| } |