From: Takeyuki Fujioka <redmine@...>
Date: 2008-10-24T09:58:33+09:00
Subject: [ruby-core:19465] [Bug #680] csv.rb: CSV.parse is too late when encoding is mismatch

Bug #680: csv.rb: CSV.parse is too late when encoding is mismatch
http://redmine.ruby-lang.org/issues/show/680

Author: Takeyuki Fujioka
Status: Open, Priority: Normal
Category: lib, Target version: 1.9.x

I think this result is true, but encoding mismatch raise is too late.

see: 
% time ruby19 -rcsv -e 'CSV.parse(("\x82\xA0,\x82\xA2\n"*10000).force_encoding("shift_jis"))'
ruby19 -rcsv -e   0.30s user 0.02s system 96% cpu 0.330 total

% time ruby19 -rcsv -e 'CSV.parse(("\x82\xA0,\x82\xA2\n"*10000))'
/Users/fujioka/local/lib/ruby/1.9.0/csv.rb:1981:in `=~': broken UTF-8 string (ArgumentError)
	from /Users/fujioka/local/lib/ruby/1.9.0/csv.rb:1981:in `init_separators'
	from /Users/fujioka/local/lib/ruby/1.9.0/csv.rb:1563:in `initialize'
	from /Users/fujioka/local/lib/ruby/1.9.0/csv.rb:1350:in `new'
	from /Users/fujioka/local/lib/ruby/1.9.0/csv.rb:1350:in `parse'
	from -e:1:in `<main>'
ruby19 -rcsv -e 'CSV.parse(("\x82\xA0,\x82\xA2\n"*10000))'  1.55s user 2.57s system 90% cpu 4.530 total


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