/*

 * 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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 */

/*

 * @test

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

 * @library /test/lib ..

 * @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 JVMDefineModule

 */

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

import java.sql.Time;

public class JVMDefineModule {

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

        MyClassLoader cl = new MyClassLoader();

        Object m;

        // NULL classloader argument, expect success

        m = ModuleHelper.ModuleObject("mymodule", null, new String[] { "mypackage" });

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

        ModuleHelper.DefineModule(m, "9.0", "mymodule/here", new String[] { "mypackage" });

/* Invalid test, won't compile.

        // Invalid classloader argument, expect an IAE

        try {

            ModuleHelper.DefineModule(m,  "9.0", "mymodule/here", new String[] { "mypackage1" });

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

        } catch(IllegalArgumentException e) {

            // Expected

        }

*/

        // NULL package argument, should not throw an exception

        m = ModuleHelper.ModuleObject("mymoduleTwo", cl, new String[] { "nullpkg" });

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

        ModuleHelper.DefineModule(m, "9.0", "mymoduleTwo/here", null);

        // Null module argument, expect an NPE

        try {

            ModuleHelper.DefineModule(null,  "9.0", "mymodule/here", new String[] { "mypackage1" });

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

        } catch(NullPointerException e) {

            if (!e.getMessage().contains("Null module object")) {

              throw new RuntimeException("Failed to get expected IAE message for null module: " + e.getMessage());

            }

            // Expected

        }

        // Invalid module argument, expect an IAE

        try {

            ModuleHelper.DefineModule(new Object(),  "9.0", "mymodule/here", new String[] { "mypackage1" });

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

        } catch(IllegalArgumentException e) {

            if (!e.getMessage().contains("module is not an instance of type java.lang.reflect.Module")) {

              throw new RuntimeException("Failed to get expected IAE message for bad module: " + e.getMessage());

            }

        }

        // NULL module name, expect an IAE or NPE

        try {

            m = ModuleHelper.ModuleObject(null, cl, new String[] { "mypackage2" });

            ModuleHelper.DefineModule(m, "9.0", "mymodule/here", new String[] { "mypackage2" });

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

        } catch(IllegalArgumentException e) {

            // Expected

        } catch(NullPointerException e) {

            // Expected

        }

        // module name is java.base, expect an IAE

        m = ModuleHelper.ModuleObject("java.base", cl, new String[] { "mypackage3" });

        try {

            ModuleHelper.DefineModule(m, "9.0", "mymodule/here", new String[] { "mypackage3" });

            throw new RuntimeException("Failed to get expected IAE for java.base, not defined with boot class loader");

        } catch(IllegalArgumentException e) {

            if (!e.getMessage().contains("Class loader must be the boot class loader")) {

              throw new RuntimeException("Failed to get expected IAE message for java.base: " + e.getMessage());

            }

        }

        // Duplicates in package list, expect an IAE

        m = ModuleHelper.ModuleObject("module.x", cl, new String[] { "mypackage4", "mypackage5" });

        try {

            ModuleHelper.DefineModule(m, "9.0", "mymodule/here", new String[] { "mypackage4", "mypackage5", "mypackage4" });

            throw new RuntimeException("Failed to get IAE for duplicate packages");

        } catch(IllegalArgumentException e) {

            if (!e.getMessage().contains("Duplicate package name")) {

              throw new RuntimeException("Failed to get expected IAE message for duplicate package: " + e.getMessage());

            }

        }

        // Empty entry in package list, expect an IAE

        m = ModuleHelper.ModuleObject("module.y", cl, new String[] { "mypackageX", "mypackageY" });

        try {

            ModuleHelper.DefineModule(m, "9.0", "mymodule/here", new String[] { "mypackageX", "", "mypackageY" });

            throw new RuntimeException("Failed to get IAE for empty package");

        } catch(IllegalArgumentException e) {

            if (!e.getMessage().contains("Invalid package name")) {

              throw new RuntimeException("Failed to get expected IAE message empty package entry: " + e.getMessage());

            }

        }

        // Duplicate module name, expect an ISE

        m = ModuleHelper.ModuleObject("Module_A", cl, new String[] { "mypackage6" });

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

        ModuleHelper.DefineModule(m, "9.0", "module.name/here", new String[] { "mypackage6" });

        try {

            ModuleHelper.DefineModule(m, "9.0", "module.name/here", new String[] { "mypackage6a" });

            throw new RuntimeException("Failed to get ISE for duplicate module");

        } catch(IllegalStateException e) {

            if (!e.getMessage().contains("Module Module_A is already defined")) {

              throw new RuntimeException("Failed to get expected ISE message for duplicate module: " + e.getMessage());

            }

        }

        // Package is already defined for class loader, expect an ISE

        m = ModuleHelper.ModuleObject("dupl.pkg.module", cl, new String[] { "mypackage6b" });

        try {

            ModuleHelper.DefineModule(m, "9.0", "module.name/here", new String[] { "mypackage6" });

            throw new RuntimeException("Failed to get ISE for existing package");

        } catch(IllegalStateException e) {

            if (!e.getMessage().contains("Package mypackage6 for module dupl.pkg.module is already in another module, Module_A, defined to the class loader")) {

              throw new RuntimeException("Failed to get expected ISE message for duplicate package: " + e.getMessage());

            }

        }

        // Empty module name, expect an IAE

        try {

            m = ModuleHelper.ModuleObject("", cl, new String[] { "mypackage8" });

            ModuleHelper.DefineModule(m, "9.0", "module.name/here", new String[] { "mypackage8" });

            throw new RuntimeException("Failed to get expected IAE for empty module name");

        } catch(IllegalArgumentException e) {

            // Expected

        }

        // Module name with ';', not allowed in java source

        try {

            m = ModuleHelper.ModuleObject("bad;name", cl, new String[] { "mypackage9" });

            ModuleHelper.DefineModule(m, "9.0", "module.name/here", new String[] { "mypackage9" });

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

        } catch(IllegalArgumentException e) {

            // Expected

        }

        // Module name with leading dot, not allowed in java source

        try {

            m = ModuleHelper.ModuleObject(".leadingdot", cl, new String[] { "mypackage9a" });

            ModuleHelper.DefineModule(m, "9.0", "module.name/here", new String[] { "mypackage9a" });

            throw new RuntimeException("Failed to get expected IAE for .leadingdot");

        } catch(IllegalArgumentException e) {

            // Expected

        }

        // Module name with trailing dot, not allowed in java source

        try {

            m = ModuleHelper.ModuleObject("trailingdot.", cl, new String[] { "mypackage9b" });

            ModuleHelper.DefineModule(m, "9.0", "module.name/here", new String[] { "mypackage9b" });

            throw new RuntimeException("Failed to get expected IAE for trailingdot.");

        } catch(IllegalArgumentException e) {

            // Expected

        }

        // Module name with consecutive dots, not allowed in java source

        try {

            m = ModuleHelper.ModuleObject("trailingdot.", cl, new String[] { "mypackage9b" });

            ModuleHelper.DefineModule(m, "9.0", "module.name/here", new String[] { "mypackage9b" });

            throw new RuntimeException("Failed to get expected IAE for trailingdot.");

        } catch(IllegalArgumentException e) {

            // Expected

        }

        // module name with multiple dots, should be okay

        m = ModuleHelper.ModuleObject("more.than.one.dat", cl, new String[] { "mypackage9d" });

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

        ModuleHelper.DefineModule(m, "9.0", "module.name/here", new String[] { "mypackage9d" });

        // Zero length package list, should be okay

        m = ModuleHelper.ModuleObject("zero.packages", cl, new String[] { });

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

        ModuleHelper.DefineModule(m, "9.0", "module.name/here", new String[] { });

        // Invalid package name, expect an IAE

        m = ModuleHelper.ModuleObject("moduleFive", cl, new String[] { "your.package" });

        try {

            ModuleHelper.DefineModule(m, "9.0", "module.name/here", new String[] { "your.package" });

            throw new RuntimeException("Failed to get expected IAE for your.package");

        } catch(IllegalArgumentException e) {

            if (!e.getMessage().contains("Invalid package name")) {

              throw new RuntimeException("Failed to get expected IAE message for bad package name: " + e.getMessage());

            }

        }

        // Invalid package name, expect an IAE

        m = ModuleHelper.ModuleObject("moduleSix", cl, new String[] { "foo" }); // Name irrelevant

        try {

            ModuleHelper.DefineModule(m, "9.0", "module.name/here", new String[] { ";your/package" });

            throw new RuntimeException("Failed to get expected IAE for ;your.package");

        } catch(IllegalArgumentException e) {

            if (!e.getMessage().contains("Invalid package name")) {

              throw new RuntimeException("Failed to get expected IAE message for bad package name: " + e.getMessage());

            }

        }

        // Invalid package name, expect an IAE

        m = ModuleHelper.ModuleObject("moduleSeven", cl, new String[] { "foo" }); // Name irrelevant

        try {

            ModuleHelper.DefineModule(m, "9.0", "module.name/here", new String[] { "7[743" });

            throw new RuntimeException("Failed to get expected IAE for package 7[743");

        } catch(IllegalArgumentException e) {

            if (!e.getMessage().contains("Invalid package name")) {

              throw new RuntimeException("Failed to get expected IAE message for bad package name: " + e.getMessage());

            }

        }

        // Package named "java" defined to a class loader other than the boot or platform class loader, expect an IAE

        m = ModuleHelper.ModuleObject("modulejavapkgOne", cl, new String[] { "java/foo" });

        try {

            // module m is defined to an instance of MyClassLoader class loader

            ModuleHelper.DefineModule(m, "9.0", "modulejavapkgOne", new String[] { "java/foo" });

            throw new RuntimeException("Failed to get expected IAE for package java/foo");

        } catch(IllegalArgumentException e) {

            if (!e.getMessage().contains("prohibited package name")) {

              throw new RuntimeException("Failed to get expected IAE message for prohibited package name: " + e.getMessage());

            }

        }

        // Package named "javabar" defined to a class loader other than the boot or platform class loader, should be ok

        m = ModuleHelper.ModuleObject("modulejavapkgTwo", cl, new String[] { "javabar" });

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

        ModuleHelper.DefineModule(m, "9.0", "modulejavapkgTwo", new String[] { "javabar" });

        // Package named "java" defined to the boot class loader, should be ok

        //   m's type is a java.lang.Object, module is java.base

        //   java.base module is defined to the boot loader

        ClassLoader boot_loader = m.getClass().getClassLoader();

        m = ModuleHelper.ModuleObject("modulejavapkgThree", boot_loader, new String[] { "java/foo" });

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

        ModuleHelper.DefineModule(m, "9.0", "modulejavapkgThree", new String[] { "java/foo" });

        // Package named "java" defined to the platform class loader, should be ok

        //   java.sql module defined to the platform class loader.

        java.sql.Time jst = new java.sql.Time(45 * 1000);

        ClassLoader platform_loader = jst.getClass().getClassLoader();

        m = ModuleHelper.ModuleObject("modulejavapkgFour", platform_loader, new String[] { "java/foo" });

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

        ModuleHelper.DefineModule(m, "9.0", "modulejavapkgFour", new String[] { "java/foo" });

        // module version that is null, should be okay

        m = ModuleHelper.ModuleObject("moduleEight", cl, new String[] { "a_package_8" });

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

        ModuleHelper.DefineModule(m, null, "moduleEight/here", new String[] { "a_package_8" });

        // module version that is "", should be okay

        m = ModuleHelper.ModuleObject("moduleNine", cl, new String[] { "a_package_9" });

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

        ModuleHelper.DefineModule(m, "", "moduleNine/here", new String[] { "a_package_9" });

        // module location that is null, should be okay

        m = ModuleHelper.ModuleObject("moduleTen", cl, new String[] { "a_package_10" });

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

        ModuleHelper.DefineModule(m, "9.0", null, new String[] { "a_package_10" });

        // module location that is "", should be okay

        m = ModuleHelper.ModuleObject("moduleEleven", cl, new String[] { "a_package_11" });

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

        ModuleHelper.DefineModule(m, "9.0", "", new String[] { "a_package_11" });

    }

    static class MyClassLoader extends ClassLoader { }

}