From: Sakuro OZAWA <redmine@...>
Date: 2010-03-13T11:06:36+09:00
Subject: [ruby-core:28635] [Bug #2955] File.expand_path raises unexpected CompatibilityError

Bug #2955: File.expand_path raises unexpected CompatibilityError
http://redmine.ruby-lang.org/issues/show/2955

Author: Sakuro OZAWA
Status: Open, Priority: Normal
ruby -v: ruby 1.9.2dev (2010-03-13 trunk 26902) [x86_64-darwin10.2.0] 

$ ./ruby -Ilib -e "p Encoding.find('filesystem')"
#<Encoding:UTF-8>
./ruby -Ilib -e "p '���'.encoding.ascii_compatible?"                        
true
$ ./ruby -Ilib -e "p File.expand_path('���', '/')"
"/���"

The above is ok but

$ ./ruby -Ilib -e "p File.expand_path('���', '/'.force_encoding('US-ASCII'))"
-e:1:in `expand_path': incompatible character encodings: UTF-8 and US-ASCII (Encoding::CompatibilityError)
	from -e:1:in `<main>'

For me this is unexpected one.


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