/*

 * Copyright (c) 2010, 2013, 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.  Oracle designates this

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

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * 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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package jdk.nashorn.internal.runtime;

import static org.testng.Assert.assertTrue;

import static org.testng.Assert.fail;

import javax.script.ScriptEngine;

import javax.script.ScriptEngineFactory;

import javax.script.ScriptEngineManager;

import javax.script.ScriptException;

import jdk.nashorn.api.scripting.NashornScriptEngineFactory;

import org.testng.annotations.Test;

/**

 * Tests for trusted client usage of nashorn script engine factory extension API

 */

public class TrustedScriptEngineTest {

    private static class MyClassLoader extends ClassLoader {

        // to check if script engine uses the specified class loader

        private final boolean[] reached = new boolean[1];

        @Override

        protected Class findClass(final String name) throws ClassNotFoundException {

            // flag that it reached here

            reached[0] = true;

            return super.findClass(name);

        }

        public boolean reached() {

            return reached[0];

        }

    };

    // These are for "private" extension API of NashornScriptEngineFactory that

    // accepts a ClassLoader and/or command line options.

    @Test

    public void factoryClassLoaderTest() {

        final ScriptEngineManager sm = new ScriptEngineManager();

        for (ScriptEngineFactory fac : sm.getEngineFactories()) {

            if (fac instanceof NashornScriptEngineFactory) {

                final NashornScriptEngineFactory nfac = (NashornScriptEngineFactory)fac;

                final MyClassLoader loader = new MyClassLoader();

                // set the classloader as app class loader

                final ScriptEngine e = nfac.getScriptEngine(loader);

                try {

                    e.eval("Packages.foo");

                    // check that the class loader was attempted

                    assertTrue(loader.reached(), "did not reach class loader!");

                } catch (final ScriptException se) {

                    se.printStackTrace();

                    fail(se.getMessage());

                }

                return;

            }

        }

        fail("Cannot find nashorn factory!");

    }

    @Test

    public void factoryClassLoaderAndOptionsTest() {

        final ScriptEngineManager sm = new ScriptEngineManager();

        for (ScriptEngineFactory fac : sm.getEngineFactories()) {

            if (fac instanceof NashornScriptEngineFactory) {

                final NashornScriptEngineFactory nfac = (NashornScriptEngineFactory)fac;

                final String[] options = new String[] { "-strict" };

                final MyClassLoader loader = new MyClassLoader();

                // set the classloader as app class loader

                final ScriptEngine e = nfac.getScriptEngine(options, loader);

                try {

                    e.eval("Packages.foo");

                    // check that the class loader was attempted

                    assertTrue(loader.reached(), "did not reach class loader!");

                } catch (final ScriptException se) {

                    se.printStackTrace();

                    fail(se.getMessage());

                }

                try {

                    // strict mode - delete of a var should throw SyntaxError

                    e.eval("var d = 2; delete d;");

                } catch (final ScriptException se) {

                    // check that the error message contains "SyntaxError"

                    assertTrue(se.getMessage().contains("SyntaxError"));

                }

                return;

            }

        }

        fail("Cannot find nashorn factory!");

    }

}