process.c: command_name encoding

* process.c (rb_exec_fillarg): share subsequence of argv_buf for
  command_name, and copy the encoding from the command string.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62175 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 16 insertions, 0 deletions

diff --git a/test/ruby/test_system.rb b/test/ruby/test_system.rb
index c56e2a13c4..edc70a4496 100644
--- a/test/ruby/test_system.rb
+++ b/test/ruby/test_system.rb
@@ -181,5 +181,21 @@ class TestSystem < Test::Unit::TestCase
     assert_raise_with_message(RuntimeError, /\ACommand failed with exit /) do
       system("'#{ruby}' -e abort", exception: true)
     end
+
+    Dir.mktmpdir("ruby_script_tmp") do |tmpdir|
+      name = "\u{30c6 30b9 30c8}"
+      tmpfilename = "#{tmpdir}/#{name}.cmd"
+      message = /#{name}\.cmd/
+      e = assert_raise_with_message(Errno::ENOENT, message) do
+        system(tmpfilename, exception: true)
+      end
+      open(tmpfilename, "w") {|f|
+        f.puts "exit 127"
+        f.chmod(0755)
+      }
+      e = assert_raise_with_message(RuntimeError, message) do
+        system(tmpfilename, exception: true)
+      end
+    end
   end
 end