Fix reftex-tests on MS-Windows.

 test/automated/reftex-tests.el (reftex-parse-from-file-test): Run
 temp-dir through file-truename, to make sure the temporary file
 names are comparable as strings.

test/ChangeLog

 2013-11-29  Eli Zaretskii  <eliz@gnu.org>
 
+	* automated/reftex-tests.el (reftex-parse-from-file-test): Run
+	temp-dir through file-truename, to make sure the temporary file
+	names are comparable as strings.
+
 	* automated/decoder-tests.el (ert-test-decoder-prefer-utf-8):
 	Force Unix EOLs by using 'utf-8-unix', since the default of
 	'utf-8' is system-dependent, while the test expects to see Unix

test/automated/reftex-tests.el

@@ -95,7 +95,14 @@
 
 (ert-deftest reftex-parse-from-file-test ()
   "Test `reftex-parse-from-file'."
-  (let* ((temp-dir (make-temp-file "reftex-parse" 'dir))
+  ;; Use file-truename to convert 8+3 aliases in $TEMP value on
+  ;; MS-Windows into their long file-name equivalents, which is
+  ;; necessary for the 'equal' and 'string=' comparisons below.  This
+  ;; also resolves any symlinks, which cannot be bad for the same
+  ;; reason.  (An alternatrive solution would be to use file-equal-p,
+  ;; but I'm too lazy to do that, as one of the tests compares a
+  ;; list.)
+  (let* ((temp-dir (file-truename (make-temp-file "reftex-parse" 'dir)))
          (tex-file (expand-file-name "test.tex" temp-dir))
          (bib-file (expand-file-name "ref.bib" temp-dir)))
     (with-temp-buffer