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/*
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* Copyright (c) 2016, 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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* @library /testlibrary /test/lib /compiler/whitebox ..
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* @compile p2/c2.java
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* @compile p1/c1.java
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* @build sun.hotspot.WhiteBox
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* @compile/module=java.base java/lang/reflect/ModuleHelper.java
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* @run main ClassFileInstaller sun.hotspot.WhiteBox
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* sun.hotspot.WhiteBox$WhiteBoxPermission
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI ExportTwice
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*/
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import java.lang.reflect.Module;
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import static jdk.test.lib.Asserts.*;
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public class ExportTwice {
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// Check that a package can not be exported unqualifiedly, and then exported
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// to a specific package.
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// Also, check that a package can be exported to a specific package and then
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// exported unqualifiedly.
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public static void main(String args[]) throws Throwable {
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Object m1, m2, m3;
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// Get the java.lang.reflect.Module object for module java.base.
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Class jlObject = Class.forName("java.lang.Object");
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Object jlObject_jlrM = jlObject.getModule();
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assertNotNull(jlObject_jlrM, "jlrModule object of java.lang.Object should not be null");
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// Get the class loader for ExportTwice and assume it's also used to
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// load classes p1.c1 and p2.c2.
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ClassLoader this_cldr = ExportTwice.class.getClassLoader();
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// Define a module for p1.
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m1 = ModuleHelper.ModuleObject("module1", this_cldr, new String[] { "p1" });
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assertNotNull(m1, "Module should not be null");
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ModuleHelper.DefineModule(m1, "9.0", "m1/here", new String[] { "p1" });
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ModuleHelper.AddReadsModule(m1, jlObject_jlrM);
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// Define a module for p2.
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m2 = ModuleHelper.ModuleObject("module2", this_cldr, new String[] { "p2" });
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assertNotNull(m2, "Module should not be null");
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ModuleHelper.DefineModule(m2, "9.0", "m2/there", new String[] { "p2" });
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ModuleHelper.AddReadsModule(m2, jlObject_jlrM);
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// Define a module for p3.
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m3 = ModuleHelper.ModuleObject("module3", this_cldr, new String[] { "p3" });
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assertNotNull(m3, "Module should not be null");
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ModuleHelper.DefineModule(m3, "9.0", "m3/there", new String[] { "p3" });
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ModuleHelper.AddReadsModule(m3, jlObject_jlrM);
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// Make package p1 in m1 visible to everyone.
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ModuleHelper.AddModuleExportsToAll(m1, "p1");
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// Try to export p1 only to m2 after it was exported unqualifiedly. It
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// should silently succeed.
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ModuleHelper.AddModuleExports(m1, "p1", m2);
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// Export p2 to m3 then export it again unqualifiedly.
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ModuleHelper.AddModuleExports(m2, "p2", m3);
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ModuleHelper.AddModuleExportsToAll(m2, "p2");
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// p1.c1's ctor tries to call a method in p2.c2. This should work because
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// p1's module can read p2's module and p2 is now exported unqualifiedly.
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ModuleHelper.AddReadsModule(m1, m2);
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Class p1_c1_class = Class.forName("p1.c1");
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p1_c1_class.newInstance();
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}
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}
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