Fixed #34473 -- Fixed step validation for form fields with non-zero minimum value.

1 files changed, 19 insertions, 0 deletions

diff --git a/tests/forms_tests/field_tests/test_decimalfield.py b/tests/forms_tests/field_tests/test_decimalfield.py
index 4e24d553f3..9d26bc88b0 100644
--- a/tests/forms_tests/field_tests/test_decimalfield.py
+++ b/tests/forms_tests/field_tests/test_decimalfield.py
@@ -152,6 +152,25 @@ class DecimalFieldTest(FormFieldAssertionsMixin, SimpleTestCase):
         with self.assertRaisesMessage(ValidationError, msg):
             f.clean("1.1")
 
+    def test_decimalfield_step_size_min_value(self):
+        f = DecimalField(
+            step_size=decimal.Decimal("0.3"),
+            min_value=decimal.Decimal("-0.4"),
+        )
+        self.assertWidgetRendersTo(
+            f,
+            '<input name="f" min="-0.4" step="0.3" type="number" id="id_f" required>',
+        )
+        msg = (
+            "Ensure this value is a multiple of step size 0.3, starting from -0.4, "
+            "e.g. -0.4, -0.1, 0.2, and so on."
+        )
+        with self.assertRaisesMessage(ValidationError, msg):
+            f.clean("1")
+        self.assertEqual(f.clean("0.2"), decimal.Decimal("0.2"))
+        self.assertEqual(f.clean(2), decimal.Decimal(2))
+        self.assertEqual(f.step_size, decimal.Decimal("0.3"))
+
     def test_decimalfield_scientific(self):
         f = DecimalField(max_digits=4, decimal_places=2)
         with self.assertRaisesMessage(ValidationError, "Ensure that there are no more"):