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Diffstat (limited to 'tests/postgres_tests/test_array.py')
| -rw-r--r-- | tests/postgres_tests/test_array.py | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/tests/postgres_tests/test_array.py b/tests/postgres_tests/test_array.py index 71d0603469..cc264fe9fc 100644 --- a/tests/postgres_tests/test_array.py +++ b/tests/postgres_tests/test_array.py @@ -760,6 +760,14 @@ class TestSimpleFormField(PostgreSQLTestCase): self.assertIs(field.has_changed([1, 2], '1,2,3'), True) self.assertIs(field.has_changed([1, 2], 'a,b'), True) + def test_has_changed_empty(self): + field = SimpleArrayField(forms.CharField()) + self.assertIs(field.has_changed(None, None), False) + self.assertIs(field.has_changed(None, ''), False) + self.assertIs(field.has_changed(None, []), False) + self.assertIs(field.has_changed([], None), False) + self.assertIs(field.has_changed([], ''), False) + class TestSplitFormField(PostgreSQLTestCase): |