[MacRuby-devel] 0.7 problems with complex index in a hash

[B. Ohr]

Hi, 

v0.7 has a different behavior than v0.5 when using a Cocoa-Obj (NSCalendarDate) as a key in a hash.

I must admit that I do not know what is exactly specified in Ruby, but obviously the generated value of an hashkey of different objects is same in all other cases if the objects itself are identical:

- Bernd

---

$ macruby_select 0.7 h.rb 
{#<NSCalendarDate:0x2000df2a0>=>:x, #<NSCalendarDate:0x2000c7fa0>=>:y}    # <==== is this ok????????
{["t", "e", "s", "t"]=>:y}
{#<Date: 2010-02-01 (4910457/2,0,2299161)>=>:y}

$ macruby_select 0.5 h.rb 
{#<NSCalendarDate:0x2000a3280>=>:y}
{["t", "e", "s", "t"]=>:y}
{#<Date: 2010-02-01 (4910457/2,0,2299161)>=>:y}

$ ruby h.rb 
{["t", "e", "s", "t"]=>:y}
{#<Date: 4910457/2,0,2299161>=>:y}

$ ruby1.9 h.rb 
{["t", "e", "s", "t"]=>:y}
{#<Date: 2010-02-01 (4910457/2,0,2299161)>=>:y}

$ cat h.rb 

require 'Date'

def h(d1,d2)
  h = { d1 => :x}
  h[d2] = :y
  p h
end

d1 = NSCalendarDate.dateWithYear( 2010, month:5, day:2, hour:0,  minute:0, second:0, timeZone:nil)
d2 = NSCalendarDate.dateWithYear( 2010, month:5, day:2, hour:0,  minute:0, second:0, timeZone:nil)
h(d1,d2)

h( ["t", "e", "s", "t"],"test".chars.to_a)

h( Date.parse("2010-02-01"), Date.parse("2010-02-01“))