Clojure

• Type: Defect
• Status: Closed
• Resolution: Declined
• Affects Version/s: None
• Fix Version/s: Release 1.3
• Component/s: None
• Labels:

  None

I'm not expecting (emit (parse x)) to produce the same characters as originally in x. (That would be canonical form.)
However, it seems reasonable to expect that (= (parse x) (parse (emit (parse x)))). That's not currently the case because of #277 and #408.
It's not currently possible to demonstrate this bug via a unit test because of #409.
This fails:

(deftest parse-and-emit-should-round-trip-data
  (are [s0]
       (let [x1 (str->xml s0)
             s2 (xml->str x1)
             x3 (str->xml s2)]
         (is (= x1 x3)))
       "<e/>"
       "<e></e>"
       "<e>content</e>"
       "<e a='attribute'/>"
       "<e a='attribute'>content</e>"
       "<e><e><e/></e></e>"
       "<e> </e>"
       "<e>&lt;&amp;&gt;</e>"))
</code></pre>
Where:
<pre><code>(defn xml->str [x]
  (with-out-str
    (xml/emit-element x)))

(defn str->xml [s]
  (xml/parse
   (ByteArrayInputStream. (.getBytes s "UTF-8"))))

Or, rather it crashes prematurely in str->xml because of #409.

• Assignee:

  Rich Hickey

  Reporter:

  Anonymous

• Created:

  23/Jul/10 12:46 AM

  Updated:

  15/Nov/10 12:49 PM

  Resolved:

  30/Oct/10 2:46 PM