Add a test for the encoding of str_aset. [ruby-core:35142]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30881 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Add a test for the encoding of str_aset. [ruby-core:35142]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30881 b2dd03c8-39d4-4d8f-98ff-823fe69b080e