rexml: Fix XPath concat() implementation

* lib/rexml/functions.rb (REXML::Functions.concat): Implement.

* test/rexml/test_jaxen.rb: Enable one more test.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63222 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/rexml/functions.rb

@@ -186,9 +186,12 @@ module REXML
       rv
     end
 
-    # UNTESTED
     def Functions::concat( *objects )
-      objects.join
+      concatenated = ""
+      objects.each do |object|
+        concatenated << string(object)
+      end
+      concatenated
     end
 
     # Fixed by Mike Stok

test/rexml/test_jaxen.rb

@@ -30,7 +30,7 @@ module REXMLTests
     def _test_numbers ; process_test_case("numbers") ; end
     def test_pi ; process_test_case("pi") ; end
     def _test_pi2 ; process_test_case("pi2") ; end
-    def _test_simple ; process_test_case("simple") ; end
+    def test_simple ; process_test_case("simple") ; end
     def _test_testNamespaces ; process_test_case("testNamespaces") ; end
     def _test_text ; process_test_case("text") ; end
     def _test_underscore ; process_test_case("underscore") ; end