src/v8/test/webkit/fast/js/reserved-words-strict.js

// Copyright 2013 the V8 project authors. All rights reserved.
// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
//
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// modification, are permitted provided that the following conditions
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// 2.  Redistributions in binary form must reproduce the above copyright
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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function isReserved(word)
{
    try {
        eval("\"use strict\";var " + word + ";");
        return false;
    } catch (e) {
            var expectedError = "Use of reserved word '" + word + "' in strict mode";
            if (expectedError == e.message)
                return true;
        else
                return false;
    }
}

var reservedWords = [
    "implements",
    "let",
    "private",
    "public",
    "yield",
    "interface",
    "package",
    "protected",
    "static"
];

var unreservedWords = [
    "abstract",
    "boolean",
    "byte",
    "char",
    "double",
    "final",
    "float",
    "goto",
    "int",
    "long",
    "native",
    "short",
    "synchronized",
    "throws",
    "transient",
    "volatile"
];

description(
"This file checks which ECMAScript 3 keywords are treated as reserved words in strict mode."
);

reservedWords.sort();
unreservedWords.sort();

debug("SHOULD BE RESERVED:");
for (var p in reservedWords) {
    shouldBeTrue("isReserved('" + reservedWords[p] + "')");
}

debug("");

debug("SHOULD NOT BE RESERVED:");
for (var p in unreservedWords) {
    shouldBeFalse("isReserved('" + unreservedWords[p] + "')");
}

debug("");