/**

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.

 *

 * Copyright 2013-2014 Oracle and/or its affiliates. All rights reserved.

 *

 * Oracle and Java are registered trademarks of Oracle and/or its affiliates.

 * Other names may be trademarks of their respective owners.

 *

 * The contents of this file are subject to the terms of either the GNU

 * General Public License Version 2 only ("GPL") or the Common

 * Development and Distribution License("CDDL") (collectively, the

 * "License"). You may not use this file except in compliance with the

 * License. You can obtain a copy of the License at

 * http://www.netbeans.org/cddl-gplv2.html

 * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the

 * specific language governing permissions and limitations under the

 * License.  When distributing the software, include this License Header

 * Notice in each file and include the License file at

 * nbbuild/licenses/CDDL-GPL-2-CP.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the GPL Version 2 section of the License file that

 * accompanied this code. If applicable, add the following below the

 * License Header, with the fields enclosed by brackets [] replaced by

 * your own identifying information:

 * "Portions Copyrighted [year] [name of copyright owner]"

 *

 * Contributor(s):

 *

 * The Original Software is NetBeans. The Initial Developer of the Original

 * Software is Oracle. Portions Copyright 2013-2014 Oracle. All Rights Reserved.

 *

 * If you wish your version of this file to be governed by only the CDDL

 * or only the GPL Version 2, indicate your decision by adding

 * "[Contributor] elects to include this software in this distribution

 * under the [CDDL or GPL Version 2] license." If you do not indicate a

 * single choice of license, a recipient has the option to distribute

 * your version of this file under either the CDDL, the GPL Version 2 or

 * to extend the choice of license to its licensees as provided above.

 * However, if you add GPL Version 2 code and therefore, elected the GPL

 * Version 2 license, then the option applies only if the new code is

 * made subject to such option by the copyright holder.

 */

package net.java.html.boot.truffle;

import com.oracle.truffle.api.source.Source;

import com.oracle.truffle.api.vm.PolyglotEngine;

import java.lang.annotation.Annotation;

import java.lang.reflect.Method;

import java.util.ArrayList;

import java.util.List;

import java.util.concurrent.Executors;

import net.java.html.boot.BrowserBuilder;

import org.netbeans.html.boot.spi.Fn;

import org.netbeans.html.json.tck.JavaScriptTCK;

import org.netbeans.html.json.tck.KOTest;

import org.testng.Assert;

import static org.testng.Assert.assertEquals;

import org.testng.SkipException;

import org.testng.annotations.Factory;

import org.testng.annotations.Test;

/**

 *

 * @author Jaroslav Tulach

 */

public class TruffleJavaScriptTest {

    private static Class<?> browserClass;

    private static Fn.Presenter browserPresenter;

    public TruffleJavaScriptTest() {

    }

    @Factory public static Object[] compatibilityTests() throws Exception {

        PolyglotEngine engine = PolyglotEngine.newBuilder().build();

        PolyglotEngine.Value result = null;

        try {

            result = engine.eval(Source.fromText("6 * 7", "test.js").withMimeType("text/javascript"));

        } catch (Exception notSupported) {

            if (notSupported.getMessage().contains("text/javascript")) {

                return new Object[] { new SkipTest(notSupported.getMessage()) };

            }

        }

        assertEquals(42, result.as(Number.class).intValue(), "Executed OK");

        final BrowserBuilder bb = BrowserBuilder.newBrowser(TrufflePresenters.create(SingleCase.JS)).

            loadClass(TruffleJavaScriptTest.class).

            loadPage("empty.html").

            invoke("initialized");

        Executors.newSingleThreadExecutor().submit(new Runnable() {

            @Override

            public void run() {

                bb.showAndWait();

            }

        });

        List<Object> res = new ArrayList<>();

        Class<? extends Annotation> test = 

            loadClass().getClassLoader().loadClass(KOTest.class.getName()).

            asSubclass(Annotation.class);

        Class[] arr = (Class[]) loadClass().getDeclaredMethod("tests").invoke(null);

        for (Class c : arr) {

            if (c.getSimpleName().contains("GC")) {

                continue;

            }

            for (Method m : c.getMethods()) {

                if (m.getAnnotation(test) != null) {

                    res.add(new SingleCase(browserPresenter, m));

                }

            }

        }

        return res.toArray();

    }

    static synchronized Class<?> loadClass() throws InterruptedException {

        while (browserClass == null) {

            TruffleJavaScriptTest.class.wait();

        }

        return browserClass;

    }

    public static synchronized void ready(Class<?> browserCls) throws Exception {

        browserClass = browserCls;

        browserPresenter = Fn.activePresenter();

        TruffleJavaScriptTest.class.notifyAll();

    }

    public static void initialized() throws Exception {

        Assert.assertSame(TruffleJavaScriptTest.class.getClassLoader(),

            ClassLoader.getSystemClassLoader(),

            "No special classloaders"

        );

        TruffleJavaScriptTest.ready(Tck.class);

    }

    public static final class Tck extends JavaScriptTCK {

        public static Class[] tests() {

            return testClasses();

        }

    }

    public static class SkipTest {

        private final String message;

        public SkipTest(String message) {

            this.message = message;

        }

        @Test

        public void needsGraalVMToExecuteTheTests() {

            throw new SkipException(message);

        }

    }

}