/*

 * Copyright (c) 2016, 2017, 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.

 */

import static jdk.test.lib.Asserts.*;

/*

 * @test

 * @modules java.base/jdk.internal.misc

 * @library /test/lib ..

 * @compile p2/c2.java

 * @compile p1/c1.java

 * @build sun.hotspot.WhiteBox

 * @compile/module=java.base java/lang/ModuleHelper.java

 * @run main ClassFileInstaller sun.hotspot.WhiteBox

 *                              sun.hotspot.WhiteBox$WhiteBoxPermission

 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI AccessCheckAllUnnamed

 */

public class AccessCheckAllUnnamed {

    // Test a series of error conditions for API JVM_AddModuleExportsToAllUnnamed

    // and then test that a class in the unnamed module can access a package in a

    // named module that has been exported to all unnamed modules.

    public static void main(String args[]) throws Throwable {

        Object m1x, m2x;

        // Get the java.lang.Module object for module java.base.

        Class jlObject = Class.forName("java.lang.Object");

        Object jlM = jlObject.getModule();

        assertNotNull(jlM, "jlModule object of java.lang.Object should not be null");

        // Get the class loader for AccessCheckWorks and assume it's also used to

        // load class p2.c2.

        ClassLoader this_cldr = AccessCheckAllUnnamed.class.getClassLoader();

        // Define a module for p3.

        m1x = ModuleHelper.ModuleObject("module_one", this_cldr, new String[] { "p3" });

        assertNotNull(m1x, "Module should not be null");

        ModuleHelper.AddReadsModule(m1x, jlM);

        // Define a module for p2.

        m2x = ModuleHelper.ModuleObject("module_two", this_cldr, new String[] { "p2" });

        assertNotNull(m2x, "Module should not be null");

        ModuleHelper.AddReadsModule(m2x, jlM);

        try {

            ModuleHelper.AddModuleExportsToAllUnnamed((Module)null, "p2");

            throw new RuntimeException("Failed to get the expected NPE for null module");

        } catch(NullPointerException e) {

            // Expected

        }

        try {

            ModuleHelper.AddModuleExportsToAllUnnamed(m2x, null);

            throw new RuntimeException("Failed to get the expected NPE for null package");

        } catch(NullPointerException e) {

            // Expected

        }

        try {

            ModuleHelper.AddModuleExportsToAllUnnamed(this_cldr, "p2");

            throw new RuntimeException("Failed to get the expected IAE for bad module");

        } catch(IllegalArgumentException e) {

            // Expected

        }

        try {

            ModuleHelper.AddModuleExportsToAllUnnamed(m2x, "p3");

            throw new RuntimeException("Failed to get the expected IAE for package in other module");

        } catch(IllegalArgumentException e) {

            // Expected

        }

        try {

            ModuleHelper.AddModuleExportsToAllUnnamed(m2x, "p4");

            throw new RuntimeException("Failed to get the expected IAE for package not in module");

        } catch(IllegalArgumentException e) {

            // Expected

        }

        // Export package p2 in m2x to allUnnamed.

        ModuleHelper.AddModuleExportsToAllUnnamed(m2x, "p2");

        // p1.c1's ctor tries to call a method in p2.c2.  This should succeed because

        // p1 is in an unnamed module and p2.c2 is exported to all unnamed modules.

        Class p1_c1_class = Class.forName("p1.c1");

        try {

            Object c1_obj = p1_c1_class.newInstance();

        } catch (IllegalAccessError f) {

            throw new RuntimeException(

                "Class in unnamed module could not access package p2 exported to all unnamed modules");

        }

    }

}