[ruby-core:56036] [ruby-trunk - Bug #8642][Open] Unexpected behavior of String#split with UTF-32 encoded string.

Issue #8642 has been reported by phasis68 (Heesob Park).

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Bug #8642: Unexpected behavior of String#split with UTF-32 encoded string.
https://bugs.ruby-lang.org/issues/8642

Author: phasis68 (Heesob Park)
Status: Open
Priority: Normal
Assignee: 
Category: 
Target version: 
ruby -v: ruby 2.1.0dev (2013-07-16 trunk 41990) [i386-mingw32]
Backport: 1.9.3: UNKNOWN, 2.0.0: UNKNOWN


The recent revisions related with encoding r41964,r41965,r41968,r71969,r47970,r41973 raised many test failures and errors.

http://ci.rubyinstaller.org/job/ruby-trunk-x86-test-all/1796/console

Here is a simple test case.

C:\work>irb
irb(main):001:0> a = 'test'.encode('UTF-32BE')
=> "test"
irb(main):002:0> a.split
=> ["\u{F8493B6D}\u{12000000}\u{3000000}\u{E06DA102}"]
irb(main):003:0> a
=> "\u{5F203D20}\u{4952422E}\u{43757272}\u{656E7443}"

C:\work>irb
irb(main):001:0> a = 'abc,def'.encode('UTF-32LE')
=> "abc,def"
irb(main):002:0> sep = ','.encode('UTF-32LE')
=> ","
irb(main):003:0> a.split(sep)
=> ["abc", "\u{65746E6F}\u{6C2E7478}\u{5F747361}"]
irb(main):004:0> a
=> "\u{203D205F}\u{2E425249}\u{72727543}\u{43746E65}\u{65746E6F}\u{6C2E7478}\u{5F747361}"
irb(main):005:0>



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