1 files changed, 13 insertions, 0 deletions
diff --git a/test/ruby/test_m17n.rb b/test/ruby/test_m17n.rb
index 3dccc76c91..cfe7ed4d3d 100644
--- a/test/ruby/test_m17n.rb
+++ b/test/ruby/test_m17n.rb
@@ -232,6 +232,19 @@ class TestM17N < Test::Unit::TestCase
     Encoding.default_external = orig_ext
   end
 
+  def test_utf_16_32_inspect
+    str = "\u3042"
+    %w/UTF-16 UTF-32/.each do |enc|
+      %w/BE LE/.each do |endian|
+        s = str.encode(enc + endian)
+        # When a UTF-16/32 string doesn't have a BOM,
+        # inspect as a dummy encoding string.
+        assert_equal(s.dup.force_encoding("ISO-2022-JP").inspect,
+                     s.dup.force_encoding(enc).inspect)
+      end
+    end
+  end
+
   def test_str_dump
     [
       e("\xfe"),