Update on specs and String

I’ve spent the better part of this week working on String with the
targeted goal of implementing the subset of String that’s required to
run Rails. Below is a list of the methods that we see Rails using, and
the specs that are passing as of tonight.

I haven’t really done anything with %, delete, tr, and unpack which
reflects their low pass rate. In many of the cases where we are almost
at 100%, we aren’t passing the specs that require us to return a
subclass of String where the method (eg gsub) is invoked on the subclass
of String. This is pretty strange behavior that Rails doesn’t appear to
use (they monkey patch String rather than deriving from it), so our pass
rate is actually quite a lot higher than it might appear right now
(70%). So getting subclass behavior correct is going to be a low
priority thing for the foreseeable future.

In any event, this shelveset isn’t quite ready to ship yet, but I
thought I’d update folks with progress so that you can see where we’re
at as of tonight. This should get checked in sometime next week.

Thanks,
-John

name pass total %
% 31 69 45%

  •           6       6       100%
    
  •           4       4       100%
    

<=> == 9 11 82%
[] 77 89 87%
chop 9 10 90%
concat 9 10 90%
delete 0 11 0%
downcase[!] 6 7 86%
dump 3 4 75%
each 7 10 70%
empty? 1 1 100%
gsub[!] 25 38 66%
hash 1 1 100%
inspect 2 3 67%
length 1 1 100%
match[=~] 11 11 100%
replace 5 5 100%
scan 11 15 73%
size 1 1 100%
split 24 27 89%
strip[!] 4 5 80%
sub[!] 25 39 64%
to_i 10 12 83%
to_s 2 3 67%
to_str 2 3 67%
to_sym 1 2 50%
tr 0 11 0%
unpack 0 1 0%
upcase[!] 6 7 86%
293 417 70%

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