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Diffstat (limited to 'trunk/lib/test/unit/util/procwrapper.rb')
-rw-r--r-- | trunk/lib/test/unit/util/procwrapper.rb | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/trunk/lib/test/unit/util/procwrapper.rb b/trunk/lib/test/unit/util/procwrapper.rb new file mode 100644 index 0000000000..ad3b4d8a6f --- /dev/null +++ b/trunk/lib/test/unit/util/procwrapper.rb @@ -0,0 +1,48 @@ +#-- +# +# Author:: Nathaniel Talbott. +# Copyright:: Copyright (c) 2000-2002 Nathaniel Talbott. All rights reserved. +# License:: Ruby license. + +module Test + module Unit + module Util + + # Allows the storage of a Proc passed through '&' in a + # hash. + # + # Note: this may be inefficient, since the hash being + # used is not necessarily very good. In Observable, + # efficiency is not too important, since the hash is + # only accessed when adding and removing listeners, + # not when notifying. + + class ProcWrapper + + # Creates a new wrapper for a_proc. + def initialize(a_proc) + @a_proc = a_proc + @hash = a_proc.inspect.sub(/^(#<#{a_proc.class}:)/, '').sub(/(>)$/, '').hex + end + + def hash # :nodoc: + return @hash + end + + def ==(other) # :nodoc: + case(other) + when ProcWrapper + return @a_proc == other.to_proc + else + return super + end + end + alias :eql? :== + + def to_proc # :nodoc: + return @a_proc + end + end + end + end +end |