The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/jit-test/tests/basic/bug576837-regexp.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,45 @@
     1.4 +/*
     1.5 + * Check that builtin character classes within ranges produce syntax
     1.6 + * errors.
     1.7 + *
     1.8 + * Note that, per the extension in bug 351463, SpiderMonkey permits hyphens
     1.9 + * adjacent to character class escapes in character classes, treating them as a
    1.10 + * hyphen pattern character. Therefore /[\d-\s]/ is okay
    1.11 + *
    1.12 + * Note: /\b/ is the backspace escape, which is a single pattern character,
    1.13 + * though it looks deceptively like a character class.
    1.14 + */
    1.15 +
    1.16 +function isRegExpSyntaxError(pattern) {
    1.17 +    try {
    1.18 +        var re = new RegExp(pattern);
    1.19 +    } catch (e) {
    1.20 +        if (e instanceof SyntaxError)
    1.21 +            return true;
    1.22 +    }
    1.23 +    return false;
    1.24 +}
    1.25 +
    1.26 +assertEq(isRegExpSyntaxError('[C-\\s]'), true);
    1.27 +assertEq(isRegExpSyntaxError('[C-\\d]'), true);
    1.28 +assertEq(isRegExpSyntaxError('[C-\\W]'), true);
    1.29 +assertEq(isRegExpSyntaxError('[C-]'), false);
    1.30 +assertEq(isRegExpSyntaxError('[-C]'), false);
    1.31 +assertEq(isRegExpSyntaxError('[C-C]'), false);
    1.32 +assertEq(isRegExpSyntaxError('[C-C]'), false);
    1.33 +assertEq(isRegExpSyntaxError('[\\b-\\b]'), false);
    1.34 +assertEq(isRegExpSyntaxError('[\\B-\\B]'), false);
    1.35 +assertEq(isRegExpSyntaxError('[\\b-\\B]'), false);
    1.36 +assertEq(isRegExpSyntaxError('[\\B-\\b]'), true);
    1.37 +assertEq(isRegExpSyntaxError('[\\b-\\w]'), true);
    1.38 +assertEq(isRegExpSyntaxError('[\\B-\\w]'), true);
    1.39 +
    1.40 +/* Extension. */
    1.41 +assertEq(isRegExpSyntaxError('[\\s-\\s]'), false);
    1.42 +assertEq(isRegExpSyntaxError('[\\W-\\s]'), false);
    1.43 +assertEq(isRegExpSyntaxError('[\\s-\\W]'), false);
    1.44 +assertEq(isRegExpSyntaxError('[\\W-C]'), false);
    1.45 +assertEq(isRegExpSyntaxError('[\\d-C]'), false);
    1.46 +assertEq(isRegExpSyntaxError('[\\s-C]'), false);
    1.47 +assertEq(isRegExpSyntaxError('[\\w-\\b]'), false);
    1.48 +assertEq(isRegExpSyntaxError('[\\w-\\B]'), false);