/Users/qichunren/.rvm/gems/ruby-1.9.2-p0/gems/rcov-0.9.9/lib/rcov/file_statistics.rb:115:in `block in is_code?': invalid byte sequence in US-ASCII (ArgumentError)
rcov 0.9.8
rake spec:rcov not work
in file
adding force_encode to line 115 of rcov-0.9.9/lib/rcov/file_statistics.rb file so it looks like
if /^=begin\b/ =~ line.force_encoding("utf-8")