/* * Copyright (c) 2016, 2022, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions.
*/
// Check that a package can not be exported unqualifiedly, and then exported // to a specific package. // Also, check that a package can be exported to a specific package and then // exported unqualifiedly. publicstaticvoid main(String args[]) throws Throwable {
Object m1x, m2x, m3x;
// Get the java.lang.Module object for module java.base. Class jlObject = Class.forName("java.lang.Object");
Object jlObject_jlM = jlObject.getModule();
assertNotNull(jlObject_jlM, "jlModule object of java.lang.Object should not be null");
// Get the class loader for ExportTwice and assume it's also used to // load classes p1.c1 and p2.c2.
ClassLoader this_cldr = ExportTwice.class.getClassLoader();
// Define a module for p1.
m1x = ModuleHelper.ModuleObject("module_one", this_cldr, new String[] { "p1" });
assertNotNull(m1x, "Module should not be null");
ModuleHelper.DefineModule(m1x, false, "9.0", "m1x/here", new String[] { "p1" });
ModuleHelper.AddReadsModule(m1x, jlObject_jlM);
// Define a module for p2.
m2x = ModuleHelper.ModuleObject("module_two", this_cldr, new String[] { "p2" });
assertNotNull(m2x, "Module should not be null");
ModuleHelper.DefineModule(m2x, false, "9.0", "m2x/there", new String[] { "p2" });
ModuleHelper.AddReadsModule(m2x, jlObject_jlM);
// Define a module for p3.
m3x = ModuleHelper.ModuleObject("module_three", this_cldr, new String[] { "p3" });
assertNotNull(m3x, "Module should not be null");
ModuleHelper.DefineModule(m3x, false, "9.0", "m3x/there", new String[] { "p3" });
ModuleHelper.AddReadsModule(m3x, jlObject_jlM);
// Make package p1 in m1x visible to everyone.
ModuleHelper.AddModuleExportsToAll(m1x, "p1");
// Try to export p1 only to m2x after it was exported unqualifiedly. It // should silently succeed.
ModuleHelper.AddModuleExports(m1x, "p1", m2x);
// Export p2 to m3x then export it again unqualifiedly.
ModuleHelper.AddModuleExports(m2x, "p2", m3x);
ModuleHelper.AddModuleExportsToAll(m2x, "p2");
// p1.c1's ctor tries to call a method in p2.c2. This should work because // p1's module can read p2's module and p2 is now exported unqualifiedly.
ModuleHelper.AddReadsModule(m1x, m2x); Class p1_c1_class = Class.forName("p1.c1");
p1_c1_class.newInstance();
}
}
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