ruby.c: fix command line encoding on cygwin

* ruby.c: cygwin does not use w32_cmdvector, command line can be
  other than UTF-8.  [ruby-dev:49519] [Bug #12184]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54720 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 10 insertions, 3 deletions

diff --git a/test/ruby/test_rubyoptions.rb b/test/ruby/test_rubyoptions.rb
index 10cdcd8802..6db6126e28 100644
--- a/test/ruby/test_rubyoptions.rb
+++ b/test/ruby/test_rubyoptions.rb
@@ -720,7 +720,8 @@ class TestRubyOptions < Test::Unit::TestCase
     end
   end
 
-  if /mswin|mingw/ =~ RUBY_PLATFORM
+  case RUBY_PLATFORM
+  when /mswin|mingw/
     def test_command_line_glob_nonascii
       bug10555 = '[ruby-dev:48752] [Bug #10555]'
       name = "\u{3042}.txt"
@@ -757,9 +758,7 @@ class TestRubyOptions < Test::Unit::TestCase
         assert_in_out_err(["-e", "", "test/*"], "", [], [], bug10941)
       end
     end
-  end
 
-  if /mswin|mingw/ =~ RUBY_PLATFORM
     Ougai = %W[\u{68ee}O\u{5916}.txt \u{68ee 9d0e 5916}.txt \u{68ee 9dd7 5916}.txt]
     def test_command_line_glob_noncodepage
       with_tmpchdir do |dir|
@@ -769,6 +768,14 @@ class TestRubyOptions < Test::Unit::TestCase
         assert_in_out_err(["-e", "puts ARGV", "*.txt"], "", ougai)
       end
     end
+  when /cygwin/
+    def test_command_line_non_ascii
+      assert_separately([{"LC_ALL"=>"ja_JP.SJIS"}, "-", "\u{3042}".encode("SJIS")], <<-"end;")
+        bug12184 = '[ruby-dev:49519] [Bug #12184]'
+        a = ARGV[0]
+        assert_equal([Encoding::SJIS, 130, 160], [a.encoding, *a.bytes], bug12184)
+      end;
+    end
   end
 
   def test_script_is_directory