/*

 * Copyright (c) 2016, 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 java.beans.Expression;

import java.beans.Statement;

/**

 * @test

 * @bug 8146313

 * @run main/othervm ClassForName

 * @run main/othervm/policy=java.policy -Djava.security.manager ClassForName

 */

public final class ClassForName {

    static boolean initialized;

    static final String[] classes = {

            "A.A", "java.lang.String", "ClassForName$Bean", "sun.awt.SunToolkit"

    };

    static final ClassLoader appl = new Object() {}.getClass().getClassLoader();

    static final ClassLoader[] loaders = {

            String.class.getClassLoader(), null, appl

    };

    static boolean[] inits = {false, true};

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

        // Check that the Class.forName(name, boolean, classloader) is executed

        // when requested via JavaBeans

        simpleTest();

        // Check that the Class.forName and Expression returns the same classes

        for (final String cls : classes) {

            complexTest1Args(cls);

            for (final ClassLoader loader : loaders) {

                for (final boolean init : inits) {

                    complexTest3Args(cls, loader, init);

                }

            }

        }

    }

    private static void simpleTest() throws Exception {

        // load the class without initialization

        new Statement(Class.class, "forName", new Object[]{

                "ClassForName$Bean", false, Bean.class.getClassLoader()

        }).execute();

        if (initialized) {

            throw new RuntimeException("Should not be initialized");

        }

        // load the class and initialize it

        new Statement(Class.class, "forName", new Object[]{

                "ClassForName$Bean", true, Bean.class.getClassLoader()

        }).execute();

        if (!initialized) {

            throw new RuntimeException("Should be initialized");

        }

    }

    private static void complexTest1Args(final String cls) {

        // load via standard Class.forName();

        Class<?> classForName = null;

        try {

            classForName = Class.forName(cls);

        } catch (final Exception ignored) {

        }

        // load via Expression.execute()

        Class<?> classStatement = null;

        try {

            final Expression exp = new Expression(Class.class, "forName",

                                                  new Object[]{

                                                          cls

                                                  });

            exp.execute();

            classStatement = (Class<?>) exp.getValue();

        } catch (final Exception ignored) {

        }

        if (classForName != classStatement) {

            System.err.println(classForName);

            System.err.println(classStatement);

            throw new RuntimeException();

        }

    }

    private static void complexTest3Args(final String cls,

                                         final ClassLoader loader,

                                         final boolean init) {

        // load via standard Class.forName();

        Class<?> classForName = null;

        Class<?> excForName = null;

        try {

            classForName = Class.forName(cls, init, loader);

        } catch (final Exception e) {

            excForName = e.getClass();

        }

        // load via Expression.execute()

        Class<?> classStatement = null;

        Class<?> excStatement = null;

        try {

            final Expression exp = new Expression(Class.class, "forName",

                                                  new Object[]{

                                                          cls, init, loader

                                                  });

            exp.execute();

            classStatement = (Class<?>) exp.getValue();

        } catch (final Exception e) {

            excStatement = e.getClass();

        }

        if (classForName != classStatement) {

            System.err.println(classForName);

            System.err.println(classStatement);

            throw new RuntimeException();

        }

        if (excForName != excStatement) {

            System.err.println(excForName);

            System.err.println(excStatement);

            throw new RuntimeException();

        }

    }

    public static final class Bean {

        static {

            initialized = true;

        }

    }

}