newforms-admin: Cleaned up the implementation and APIs of all the formset classes. Backwards-incompatible.

git-svn-id: http://code.djangoproject.com/svn/django/branches/newforms-admin@7270 bcc190cf-cafb-0310-a4f2-bffc1f526a37

tests/regressiontests/forms/widgets.py

@@ -292,12 +292,6 @@ checkboxes).
 >>> w.value_from_datadict({}, {}, 'testing')
 False
 
-The CheckboxInput widget will always be empty when there is a False value
->>> w.is_empty(False)
-True
->>> w.is_empty(True)
-False
-
 # Select Widget ###############################################################
 
 >>> w = Select()
@@ -459,15 +453,6 @@ over multiple times without getting consumed:
 <option value="3" selected="selected">No</option>
 </select>
 
-The NullBooleanSelect widget will always be empty when Unknown or No is selected
-as its value.  This is to stay compliant with the CheckboxInput behavior
->>> w.is_empty(False)
-True
->>> w.is_empty(None)
-True
->>> w.is_empty(True)
-False
-
 """ + \
 r""" # [This concatenation is to keep the string below the jython's 32K limit].
 # SelectMultiple Widget #######################################################
@@ -910,16 +895,6 @@ u'<input id="foo_0" type="text" class="big" value="john" name="name_0" /><br /><
 >>> w.render('name', ['john', 'lennon'])
 u'<input id="bar_0" type="text" class="big" value="john" name="name_0" /><br /><input id="bar_1" type="text" class="small" value="lennon" name="name_1" />'
 
-The MultiWidget will be empty only when all widgets are considered empty.
->>> w.is_empty(['john', 'lennon'])
-False
->>> w.is_empty(['john', ''])
-False
->>> w.is_empty(['', ''])
-True
->>> w.is_empty([None, None])
-True
-
 # SplitDateTimeWidget #########################################################
 
 >>> w = SplitDateTimeWidget()