/*

 * 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

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 */

import java.lang.reflect.Module;

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/reflect/ModuleHelper.java

 * @run main ClassFileInstaller sun.hotspot.WhiteBox

 *                              sun.hotspot.WhiteBox$WhiteBoxPermission

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

 */

public class JVMAddModuleExportsToAll {

    // Test a series of error conditions for API JVM_AddModuleExportsToAll()

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

    // a named module that has been exported unqualifiedly.

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

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

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

        Object jlObject_jlrM = jlObject.getModule();

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

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

        // load class p2.c2.

        ClassLoader this_cldr = JVMAddModuleExportsToAll.class.getClassLoader();

        // Define a module for p3.

        // Define a module for p2.

        try {

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

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

        } catch(NullPointerException e) {

            // Expected

        }

        try {

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

        } catch(NullPointerException e) {

            // Expected

        }

        try { // Expect IAE when passing a ClassLoader object instead of a java.lang.reflect.Module object.

            ModuleHelper.AddModuleExportsToAll(this_cldr, "p2");

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

        } catch(IllegalArgumentException e) {

            // Expected

        }

        try {

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

        } catch(IllegalArgumentException e) {

            // Expected

        }

        try {

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

        } catch(IllegalArgumentException e) {

            // Expected

        }

        // 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 unqualifiedly.

        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 unqualifieldly");

        }

    }

}