34924 was an incomplete fix, trailing empty line was omitted

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@34950 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/Formulator/Validator.py

@@ -387,7 +387,7 @@ class LinesValidator(StringBaseValidator):
     if max_length and len(value) > max_length:
       self.raise_error('too_long', field)
     # split input into separate lines
-    lines = value.splitlines()
+    lines = value.replace('\r\n', '\n').split('\n')
 
     # check whether we have too many lines
     max_lines = field.get_value('max_lines') or 0

product/Formulator/tests/testFormValidator.py

@@ -460,6 +460,11 @@ class LinesValidatorTestCase(ValidatorTestCase):
             'f', {'f' : 'foo\r\nbar '})
         self.assertEqual(['foo', 'bar '], result)
 
+    def test_empty_lines(self):
+        result = self.v.validate(
+            TestField('f', whitespace_preserve=True),
+            'f', {'f' : '\r\nfoo\r\n\r\nbar\r\n'})
+        self.assertEqual(['', 'foo', '', 'bar', ''], result)
 
 def test_suite():
     suite = unittest.TestSuite()