1 /*
   2  * Copyright (c) 2017, 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 package jdk.nashorn.api.tree.test;
  26 
  27 import jdk.nashorn.api.tree.CompilationUnitTree;
  28 import jdk.nashorn.api.tree.ExpressionStatementTree;
  29 import jdk.nashorn.api.tree.FunctionCallTree;
  30 import jdk.nashorn.api.tree.Parser;
  31 import jdk.nashorn.api.tree.Tree;
  32 import jdk.nashorn.api.tree.UnaryTree;
  33 import org.testng.Assert;
  34 import org.testng.annotations.Test;
  35 
  36 /**
  37  * @test
  38  * @bug 8184723
  39  * @summary Parser should not eagerly transform delete expressions
  40  * @run testng jdk.nashorn.api.tree.test.JDK_8193296_Test
  41  */
  42 public class JDK_8193296_Test {
  43     @Test
  44     public void test() {
  45         Parser p = Parser.create();
  46         CompilationUnitTree t = p.parse("test", "function x() { }; delete x();", System.out::println);
  47         Assert.assertEquals(t.getSourceElements().size(), 2);
  48         Tree delt = ((ExpressionStatementTree)t.getSourceElements().get(1)).getExpression();
  49         Assert.assertTrue(delt instanceof UnaryTree, delt.getClass().getName());
  50         UnaryTree del = (UnaryTree)delt;
  51         Assert.assertEquals(del.getKind(), Tree.Kind.DELETE);
  52         Assert.assertTrue(del.getExpression() instanceof FunctionCallTree, del.getExpression().getClass().getName());
  53     }
  54 }