Next batch of spec-compliance and compatibility issues

[André Bargull]

Within a character class 0-9 and _ are also accepted as control 
characters [1].

[1] 
http://mxr.mozilla.org/mozilla-central/source/js/src/yarr/YarrParser.h#357

On 4/8/2013 3:46 PM, Hannes Wallnoefer wrote:
> Thanks André,
>
> these are incredibly useful again. I was able to figure out most of 
> the regexp cases, however I'm not sure how to parse the ones below. 
> Can you please help me out?
>
> /[\c_]/.test("\x1F")
> /[\c#]/.test("\\")
>
> Hannes
>
>
> Am 2013-04-08 09:33, schrieb André Bargull:
>> Here are some more test cases which don't yet work as expected in 
>> Nashorn.
>>
>> - André
>>
>>
>> var o = {a:1,b:2,c:3}; for (var x in o) {if (x=='a')delete o.b; 
>> print(x)}
>> => should only print "a" and "b"
>>
>> 9223372036854775807|0
>> => should return 0
>>
>> 9223372036854775807>>>0
>> => should return 0 instead of 4294967295
>>
>> Also visible in other places where ToUint32() is used, e.g.
>> Array.prototype.map.call({length: 9223372036854775807, get 
>> 0(){print("get 0")}}, function(){}).length
>> => should return 0 instead of 4294967295
>>
>> parseInt("10",9223372036854775807)
>> => should return 10 instead of NaN
>>
>> Array.prototype.map.call({length: -1, get 0(){throw 0}}, 
>> function(){}).length
>> => should throw instead of returning 4294967295
>>
>> parseInt("90071992547409990",10) === 90071992547409990
>> => should return true
>>
>> escape("\0")
>> => should return "%00" instead of "%0"
>>
>> "\471".charCodeAt(0)
>> => should return 39 instead of 313
>>
>> 08in {}
>> => should throw a syntax error
>>
>> "aa".split(undefined,0).length
>> => should return 0 instead of 1
>>
>> "aa".split(/(a)/, 1).length
>> => should return 1 instead of 2
>>
>> "abc".split("", 1).length
>> => should return 1 instead of 3
>>
>> "aa".split((r = /a/, r.lastIndex = {valueOf:function(){throw 2}}, r))
>> => should not throw an exception
>>
>> (function(a){ Object.defineProperty(arguments,"0",{get 
>> value(){print("get value"); return 0}}); return a })(1)
>> => should print "get value" only once
>>
>> (function(k){ arguments[0]=1; return k })()
>> => should return `undefined` instead of `1`
>>
>> (function(k){var a=eval("arguments"); return a[0]})(1)
>> => should return `1` instead of `undefined`
>>
>> "abc".replace("c", function(){return "$&"})
>> => should return "a$&c" instead of "abc"
>>
>>
>> And some miscellaneous RegExp compatibility issues:
>>
>> /\471/.test("\x271")
>> => should return true
>>
>> /\08/.test("\x008")
>> => should return true instead of throwing an exception
>>
>> /\8/.test("\\8")
>> => should return true instead of false
>>
>> /[]|[^]/.test("a")
>> => should return true instead of false
>>
>> /(?![])/.test("")
>> => should return true instead of false
>>
>> /(?=a){2}aa/.test("aaa")
>> => web compatibility issue (quantifier allowed after positive lookahead)
>>
>> /(?!a){2}bb/.test("bbb")
>> => web compatibility issue (quantifier allowed after negative lookahead)
>>
>> /(?!(a))(?!\1)b/.test("b")
>> => returns true but should return false
>>
>> /\cı/.test("\x09")
>> => should return false instead of true
>>
>> /\cſ/.test("\x13")
>> => should return false instead of true
>>
>> /[\c0]/.test("\x10")
>> => should return true instead of false
>>
>> /[\c_]/.test("\x1F")
>> => should return true instead of false
>>
>> /[\c#]/.test("\\")
>> => should return true instead of false
>>
>> RegExp("[\0]").test("\0")
>> => should not throw SyntaxError
>>
>> /[&&]/.test("&")
>> => should not throw SyntaxError
>>
>> /[[&[]/.test("&")
>> => should return true instead of false
>>
>> /[ [^]/.test("a")
>> => should return false instead of true
>>
>> /[^\S\s]/.test(" ")
>> => should return false instead of true
>>
>> /[\2]/.test("\x02")
>> => should return true instead of false
>>
>> /[\0-\s]/.test("\x01")
>> => should throw a SyntaxError (given that /[a-\d]/ also throws a 
>> SyntaxError in Nashorn, but compare SpiderMonkey vs. JSC/V8)
>>
>>
>> And two more less easy to fix RegExp bugs:
>>
>> /(?:(f)(o)(o)|(b)(a)(r))*/.exec("foobar").toString()
>> => should return "foobar,,,,b,a,r" instead of "foobar,f,o,o,b,a,r"
>>
>> /(a|b*)*/.exec("aab").toString()
>> => should return "aab,b" instead of "aab,"
>
>