1 /*
   2  * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 /**
  27  * JDK-8195829 : Parsing a nameless ES6 class results in a thrown NullPointerException.
  28  *
  29  * @test
  30  * @run
  31  */
  32 
  33 var Parser = Java.type("jdk.nashorn.api.tree.Parser");
  34 var SimpleTreeVisitor = Java.type("jdk.nashorn.api.tree.SimpleTreeVisitorES6");
  35 var parser = Parser.create("--language=es6"); 
  36 var ast = parser.parse("test.js", "(class {});", print);
  37 var reachedClassExpr = false;
  38 ast.accept(new (Java.extend(SimpleTreeVisitor)) {
  39     visitClassExpression: function(node, extra) {
  40         reachedClassExpr = true;
  41         Assert.assertTrue(node.name === null);
  42     }
  43 }, null);
  44 
  45 Assert.assertTrue(reachedClassExpr);
  46