Issue #11576: Fixed timedelta subtraction glitch on big timedelta values
diff --git a/Lib/test/datetimetester.py b/Lib/test/datetimetester.py
index e9ceee6..38f3b8f 100644
--- a/Lib/test/datetimetester.py
+++ b/Lib/test/datetimetester.py
@@ -383,6 +383,12 @@
for i in range(-10, 10):
eq((i*us/-3)//us, round(i/-3))
+ # Issue #11576
+ eq(td(999999999, 86399, 999999) - td(999999999, 86399, 999998),
+ td(0, 0, 1))
+ eq(td(999999999, 1, 1) - td(999999999, 1, 0),
+ td(0, 0, 1))
+
def test_disallowed_computations(self):
a = timedelta(42)