[3.13] gh-123811: Test that round(Decimal) can return signed zero (GH-124007) (#124048)

miss-islington · skirpichev · web-flow · commit 9a1e9dd1116b · 2024-09-23T17:31:28.000-07:00
gh-123811: Test that round(Decimal) can return signed zero (GH-124007) (cherry picked from commit b46c65e) Co-authored-by: Sergey B Kirpichev <skirpichev@gmail.com>
diff --git a/Lib/test/test_decimal.py b/Lib/test/test_decimal.py
@@ -2071,7 +2071,9 @@ def test_tonum_methods(self):
         #to quantize, which is already extensively tested
         test_triples = [
             ('123.456', -4, '0E+4'),
+            ('-123.456', -4, '-0E+4'),
             ('123.456', -3, '0E+3'),
+            ('-123.456', -3, '-0E+3'),
             ('123.456', -2, '1E+2'),
             ('123.456', -1, '1.2E+2'),
             ('123.456', 0, '123'),
