NullUndefinedVarTest.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * 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).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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/*
 * @test
 * @bug 6346732 6705893
 * @summary should be able to assign null and undefined
 * value to JavaScript global variables.
 */

import javax.script.*;

public class NullUndefinedVarTest {

        public static void main(String[] args) throws Exception {
            ScriptEngineManager manager = new ScriptEngineManager();
            ScriptEngine jsengine = Helper.getJsEngine(manager);
            if (jsengine == null) {
                System.out.println("Warning: No js engine found; test vacuously passes.");
                return;
            }
            jsengine.eval("var n = null; " +
                          "if (n !== null) throw 'expecting null';" +
                          "var u = undefined; " +
                          "if (u !== undefined) throw 'undefined expected';");
        }
}