author | alanb |
Fri, 10 Feb 2017 09:03:55 +0000 | |
changeset 43665 | 4bb003cad9b9 |
parent 42307 | cefc81dc1d52 |
child 44520 | 0553e129e0ec |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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/* |
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* @test |
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* @summary Test that if module m1x can read module m2x, and package p2 in m2x is |
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* exported unqualifiedly, then class p1.c1 in m1x can read p2.c2 in m2x. |
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* @modules java.base/jdk.internal.misc |
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* @library /test/lib |
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* @compile myloaders/MyDiffClassLoader.java |
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* @compile p2/c2.java |
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* @compile p1/c1.java |
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* @run main/othervm -Xbootclasspath/a:. DiffCL_ExpUnqual |
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*/ |
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import static jdk.test.lib.Asserts.*; |
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import java.lang.reflect.Layer; |
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import java.lang.module.Configuration; |
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import java.lang.module.ModuleDescriptor; |
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import java.lang.module.ModuleFinder; |
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import java.util.HashMap; |
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import java.util.Map; |
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import java.util.Set; |
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import myloaders.MyDiffClassLoader; |
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// |
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// ClassLoader1 --> defines m1x --> packages p1 |
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// ClassLoader2 --> defines m2x --> packages p2 |
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// |
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// m1x can read m2x |
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// package p2 in m2x is exported to m1x |
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// |
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// class p1.c1 defined in m1x tries to access p2.c2 defined in m2x |
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// Access allowed since m1x can read m2x and package p2 is exported |
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// unqualifiedly. |
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// |
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public class DiffCL_ExpUnqual { |
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// Create a Layer over the boot layer. |
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// Define modules within this layer to test access between |
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// publically defined classes within packages of those modules. |
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public void createLayerOnBoot() throws Throwable { |
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// Define module: m1x |
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// Can read: java.base, m2x |
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// Packages: p1 |
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// Packages exported: p1 is exported unqualifiedly |
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ModuleDescriptor descriptor_m1x = |
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ModuleDescriptor.newModule("m1x") |
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.requires("java.base") |
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.requires("m2x") |
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.exports("p1") |
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.build(); |
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// Define module: m2x |
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// Can read: java.base |
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// Packages: p2 |
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// Packages exported: package p2 is exported to m1x |
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ModuleDescriptor descriptor_m2x = |
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ModuleDescriptor.newModule("m2x") |
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.requires("java.base") |
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.exports("p2") |
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.build(); |
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// Set up a ModuleFinder containing all modules for this layer. |
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ModuleFinder finder = ModuleLibrary.of(descriptor_m1x, descriptor_m2x); |
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// Resolves "m1x" |
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Configuration cf = Layer.boot() |
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.configuration() |
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.resolve(finder, ModuleFinder.of(), Set.of("m1x")); |
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// map each module to differing class loaders for this test |
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Map<String, ClassLoader> map = new HashMap<>(); |
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map.put("m1x", MyDiffClassLoader.loader1); |
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map.put("m2x", MyDiffClassLoader.loader2); |
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// Create Layer that contains m1x & m2x |
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Layer layer = Layer.boot().defineModules(cf, map::get); |
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assertTrue(layer.findLoader("m1x") == MyDiffClassLoader.loader1); |
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assertTrue(layer.findLoader("m2x") == MyDiffClassLoader.loader2); |
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assertTrue(layer.findLoader("java.base") == null); |
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// now use the same loader to load class p1.c1 |
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Class p1_c1_class = MyDiffClassLoader.loader1.loadClass("p1.c1"); |
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try { |
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p1_c1_class.newInstance(); |
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} catch (IllegalAccessError e) { |
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throw new RuntimeException("Test Failed, an IAE should not be thrown since p2 is exported qualifiedly to m1x"); |
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} |
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} |
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public static void main(String args[]) throws Throwable { |
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DiffCL_ExpUnqual test = new DiffCL_ExpUnqual(); |
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test.createLayerOnBoot(); |
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} |
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} |