125 lines
4.8 KiB
Java
125 lines
4.8 KiB
Java
/*
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* Copyright (c) 2016, 2018, 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.
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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 class c5 in an unnamed module can read module m2x, but package p6 in module m2x is not exported.
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* Access denied since even though unnamed module can read all modules, p6 in module m2x is not exported at all.
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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 p6/c6.java
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* @compile c5.java
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* @run main/othervm -Xbootclasspath/a:. UmodUpkgDiffCL_NotExp
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*/
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import static jdk.test.lib.Asserts.*;
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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 --> no packages
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// ClassLoader2 --> defines m2x --> packages p6
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//
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// m1x can read m2x
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// package p6 in m2x is not exported
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//
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// class c5 defined in unnamed module tries to access p6.c6 defined in m2x
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// Access denied since even though unnamed module can read all modules, p6
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// in module m2x is not exported at all.
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//
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public class UmodUpkgDiffCL_NotExp {
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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: none
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// Packages exported: none
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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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.build();
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// Define module: m2x
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// Can read: java.base
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// Packages: p6
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// Packages exported: none
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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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.packages(Set.of("p6"))
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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 = ModuleLayer.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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ModuleLayer layer = ModuleLayer.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 c5
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// NOTE: module m1x does not define any packages.
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// c5 will be loaded in an unnamed module.
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Class c5_class = MyDiffClassLoader.loader1.loadClass("c5");
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try {
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c5_class.newInstance();
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throw new RuntimeException("Failed to get IAE (p6 in m2x is not exported to " +
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"an unnamed module that c5 is defined within)");
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} catch (IllegalAccessError e) {
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System.out.println(e.getMessage());
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if (!e.getMessage().contains("does not export")) {
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throw new RuntimeException("Wrong message: " + e.getMessage());
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}
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}
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}
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public static void main(String args[]) throws Throwable {
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UmodUpkgDiffCL_NotExp test = new UmodUpkgDiffCL_NotExp();
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test.createLayerOnBoot();
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}
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}
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