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JVMAddModuleExportToAllUnnamed.java 
75 строк · 3.2 Кб
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/*
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 * Copyright (c) 2016, 2022, 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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 * @modules java.base/jdk.internal.misc
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 * @library /test/lib ..
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 * @compile p2/c2.java
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 * @compile p1/c1.java
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 * @build jdk.test.whitebox.WhiteBox
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 * @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
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 * @compile/module=java.base java/lang/ModuleHelper.java
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 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI JVMAddModuleExportToAllUnnamed
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 */
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import static jdk.test.lib.Asserts.*;
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public class JVMAddModuleExportToAllUnnamed {
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    // Check that a class in a package in module_one cannot access a class
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    // that is in the unnamed module if the accessing package is strict.
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    public static void main(String args[]) throws Throwable {
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        Object m1x;
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        // Get the java.lang.Module object for module java.base.
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        Class jlObject = Class.forName("java.lang.Object");
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        Object jlObject_jlM = jlObject.getModule();
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        assertNotNull(jlObject_jlM, "jlModule object of java.lang.Object should not be null");
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        // Get the class loader for JVMAddModuleExportToAllUnnamed and assume it's also used to
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        // load class p1.c1.
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        ClassLoader this_cldr = JVMAddModuleExportToAllUnnamed.class.getClassLoader();
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        // Define a module for p1.
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        m1x = ModuleHelper.ModuleObject("module_one", this_cldr, new String[] { "p1" });
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        assertNotNull(m1x, "Module should not be null");
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        ModuleHelper.DefineModule(m1x, false, "9.0", "m1x/here", new String[] { "p1" });
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        ModuleHelper.AddReadsModule(m1x, jlObject_jlM);
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        // Make package p1 in m1x visible to everyone.
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        ModuleHelper.AddModuleExportsToAll(m1x, "p1");
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        // p1.c1's ctor tries to call a method in p2.c2.  This should not work
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        // because p2 is in the unnamed module and p1.c1 is strict.
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        try {
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            Class p1_c1_class = Class.forName("p1.c1");
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            p1_c1_class.newInstance();
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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 read unnamed module")) {
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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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}
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