* io.c (rb_io_binmode): reset encoding conversion.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19807 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 12 insertions, 1 deletions

diff --git a/test/ruby/test_io_m17n.rb b/test/ruby/test_io_m17n.rb
index bff2846608..eeec26d61e 100644
--- a/test/ruby/test_io_m17n.rb
+++ b/test/ruby/test_io_m17n.rb
@@ -678,7 +678,6 @@ EOT
 
   def test_getc_invalid3
     with_pipe("utf-16le:euc-jp") {|r, w|
-      w.binmode
       before1 = "\x42\x30".force_encoding("utf-16le")
       before2 = "\x44\x30".force_encoding("utf-16le")
       invalid = "\x00\xd8".force_encoding("utf-16le")
@@ -1539,6 +1538,18 @@ EOT
     }
   end
 
+  def test_binmode3
+    with_tmpdir {
+      src = "\u3042\r\n"
+      generate_file("t.txt", src)
+      srcbin = src.dup.force_encoding("ascii-8bit")
+      open("t.txt", "rt:utf-8:euc-jp") {|f|
+        f.binmode
+        assert_str_equal(srcbin, f.read)
+      }
+    }
+  end
+
   def test_invalid_r
     with_tmpdir {
       generate_file("t.txt", "a\x80b")