add a test.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15530 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 6 insertions, 0 deletions

diff --git a/test/ruby/test_utf16.rb b/test/ruby/test_utf16.rb
index 2593de6375..bd56377734 100644
--- a/test/ruby/test_utf16.rb
+++ b/test/ruby/test_utf16.rb
@@ -259,4 +259,10 @@ EOT
     assert_str_equal("ab".encode("utf-16be"), r[0])
     assert_str_equal("cd".encode("utf-16be"), r[1])
   end
+
+  def test_count
+    e = "abc".count("^b")
+    assert_equal(e, "abc".encode("utf-16be").count("^b".encode("utf-16be")))
+    assert_equal(e, "abc".encode("utf-16le").count("^b".encode("utf-16le")))
+  end
 end