85 lines
3.4 KiB
Java
85 lines
3.4 KiB
Java
/*
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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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* @build jdk.test.whitebox.WhiteBox
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* @compile/module=java.base java/lang/ModuleHelper.java
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* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI JVMAddReadsModule
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*/
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import static jdk.test.lib.Asserts.*;
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public class JVMAddReadsModule {
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public static void main(String args[]) throws Throwable {
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MyClassLoader from_cl = new MyClassLoader();
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MyClassLoader to_cl = new MyClassLoader();
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Object from_module, to_module;
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from_module = ModuleHelper.ModuleObject("from_module", from_cl, new String[] { "mypackage" });
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assertNotNull(from_module, "Module should not be null");
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ModuleHelper.DefineModule(from_module, false, "9.0", "from_module/here", new String[] { "mypackage" });
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to_module = ModuleHelper.ModuleObject("to_module", to_cl, new String[] { "yourpackage" });
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assertNotNull(to_module, "Module should not be null");
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ModuleHelper.DefineModule(to_module, false, "9.0", "to_module/here", new String[] { "yourpackage" });
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// Null from_module argument, expect NPE
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try {
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ModuleHelper.AddReadsModule(null, to_module);
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throw new RuntimeException("Failed to get the expected NPE");
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} catch (NullPointerException e) {
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// Expected
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}
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// Null to_module argument, expect NPE
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try {
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ModuleHelper.AddReadsModule(from_module, null);
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throw new RuntimeException("Unexpected NPE was thrown");
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} catch (NullPointerException e) {
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// Expected
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}
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// Null from_module and to_module arguments, expect NPE
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try {
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ModuleHelper.AddReadsModule(null, null);
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throw new RuntimeException("Failed to get the expected NPE");
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} catch (NullPointerException e) {
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// Expected
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}
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// Both modules are the same, should not throw an exception
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ModuleHelper.AddReadsModule(from_module, from_module);
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// Duplicate calls, should not throw an exception
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ModuleHelper.AddReadsModule(from_module, to_module);
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ModuleHelper.AddReadsModule(from_module, to_module);
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}
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static class MyClassLoader extends ClassLoader { }
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}
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