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      1 // Copyright 2013 the V8 project authors. All rights reserved.
      2 // Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
      3 //
      4 // Redistribution and use in source and binary forms, with or without
      5 // modification, are permitted provided that the following conditions
      6 // are met:
      7 // 1.  Redistributions of source code must retain the above copyright
      8 //     notice, this list of conditions and the following disclaimer.
      9 // 2.  Redistributions in binary form must reproduce the above copyright
     10 //     notice, this list of conditions and the following disclaimer in the
     11 //     documentation and/or other materials provided with the distribution.
     12 //
     13 // THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
     14 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     15 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     16 // DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     17 // DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     18 // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     19 // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
     20 // ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     21 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     22 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     23 
     24 function isReserved(word)
     25 {
     26     try {
     27         eval("\"use strict\";var " + word + ";");
     28         return false;
     29     } catch (e) {
     30      var expectedError = "Use of reserved word '" + word + "' in strict mode";
     31      if (expectedError == e.message)
     32          return true;
     33         else
     34          return false;
     35     }
     36 }
     37 
     38 var reservedWords = [
     39     "implements",
     40     "let",
     41     "private",
     42     "public",
     43     "yield",
     44     "interface",
     45     "package",
     46     "protected",
     47     "static"
     48 ];
     49 
     50 var unreservedWords = [
     51     "abstract",
     52     "boolean",
     53     "byte",
     54     "char",
     55     "double",
     56     "final",
     57     "float",
     58     "goto",
     59     "int",
     60     "long",
     61     "native",
     62     "short",
     63     "synchronized",
     64     "throws",
     65     "transient",
     66     "volatile"
     67 ];
     68 
     69 description(
     70 "This file checks which ECMAScript 3 keywords are treated as reserved words in strict mode."
     71 );
     72 
     73 reservedWords.sort();
     74 unreservedWords.sort();
     75 
     76 debug("SHOULD BE RESERVED:");
     77 for (var p in reservedWords) {
     78     shouldBeTrue("isReserved('" + reservedWords[p] + "')");
     79 }
     80 
     81 debug("");
     82 
     83 debug("SHOULD NOT BE RESERVED:");
     84 for (var p in unreservedWords) {
     85     shouldBeFalse("isReserved('" + unreservedWords[p] + "')");
     86 }
     87 
     88 debug("");
     89