spec/string_spec.rb in utf8-0.1.7 vs spec/string_spec.rb in utf8-0.1.8

@@ -62,9 +62,14 @@
 
   test "clean should not replace valid utf8 chars with '?'" do
     assert_equal "asdf24\342\206\222asdf24", "asdf24\342\206\222asdf24".as_utf8.clean
   end
 
+  test "clean should return the passed value if it was valid UTF-8" do
+    orig = "asdfasdf".as_utf8
+    assert_equal orig.object_id, orig.clean.object_id
+  end
+
   context "#length and #size" do
     test "should be utf8-aware" do
       assert_equal @utf8_len, @utf8.length
       assert_equal @utf8_len, @utf8.size
     end
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