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.

     8  * 

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  * 

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  * 

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 

    24 /**

    25  * JDK-8027302: Identifiers containing unicode escapes are not recognized as reserved words

    26  *

    27  * @test

    28  * @run

    29  */

    30 

    31 // keywords containing escapes

    32 

    33 try {

    34     eval("v\\u0061r i;");

    35     fail("Expected error");

    36 } catch (e) {

    37     Assert.assertTrue(e instanceof SyntaxError);

    38 }

    39 

    40 try {

    41     eval("\\u0069f (true) ;");

    42     fail("Expected error");

    43 } catch (e) {

    44     Assert.assertTrue(e instanceof ReferenceError); // no SyntaxError in ES5

    45 }

    46 

    47 try {

    48     eval("if (true) ; \\u0065lse ;");

    49     fail("Expected error");

    50 } catch (e) {

    51     Assert.assertTrue(e instanceof ReferenceError); // no SyntaxError in ES5

    52 }

    53 

    54 try {

    55     eval("f\\u0075nction x() {}");

    56     fail("Expected error");

    57 } catch (e) {

    58     Assert.assertTrue(e instanceof SyntaxError);

    59 }

    60 

    61 try {

    62     eval("var f = f\\u0075nction() {}");

    63     fail("Expected error");

    64 } catch (e) {

    65     Assert.assertTrue(e instanceof SyntaxError);

    66 }

    67 

    68 try {

    69     eval("var o = { f: f\\u0075nction() {}}");

    70     fail("Expected error");

    71 } catch (e) {

    72     Assert.assertTrue(e instanceof SyntaxError);

    73 }

    74 

    75 try {

    76     eval("var a = [f\\u0075nction() {}]");

    77     fail("Expected error");

    78 } catch (e) {

    79     Assert.assertTrue(e instanceof SyntaxError);

    80 }

    81 

    82 // keywords as identifiers, with and without escapes

    83 

    84 try {

    85     eval("function break() {}");

    86     fail("Expected error");

    87 } catch (e) {

    88     Assert.assertTrue(e instanceof SyntaxError);

    89 }

    90 

    91 try {

    92     eval("function bre\\u0061k() {}");

    93 } catch (e) {

    94     fail("Unexpected error");

    95 }

    96 

    97 try {

    98     eval("function f(break) {}");

    99     fail("Expected error");

   100 } catch (e) {

   101     Assert.assertTrue(e instanceof SyntaxError);

   102 }

   103 

   104 try {

   105     eval("function f(bre\\u0061k) {}");

   106 } catch (e) {

   107     fail("Unexpected error");

   108 }

   109 

   110 try {

   111     eval("var break = 3");

   112     fail("Expected error");

   113 } catch (e) {

   114     Assert.assertTrue(e instanceof SyntaxError);

   115 }

   116 

   117 try {

   118     eval("'use strict'; var break = 3");

   119     fail("Expected error");

   120 } catch (e) {

   121     Assert.assertTrue(e instanceof SyntaxError);

   122 }

   123 

   124 try {

   125     eval("var bre\\u0061k = 3");

   126 } catch (e) {

   127     fail("Unexpected error");

   128 }

   129 

   130 try {

   131     eval("'use strict'; var bre\\u0061k = 3");

   132 } catch (e) {

   133     fail("Unexpected error");

   134 }

   135 

   136 try {

   137     eval("var package = 3");

   138 } catch (e) {

   139     fail("Unexpected error");

   140 }

   141 

   142 try {

   143     eval("'use strict'; var package = 3");

   144     fail("Expected error");

   145 } catch (e) {

   146     Assert.assertTrue(e instanceof SyntaxError);

   147 }

   148 

   149 try {

   150     eval("var p\\u0061ckage = 3");

   151 } catch (e) {

   152     fail("Unexpected error");

   153 }

   154 

   155 try {

   156     eval("'use strict'; var p\\u0061ckage = 3");

   157 } catch (e) {

   158     fail("Unexpected error");

   159 }

   160