From 25f75a2cbbc0425b722d85117cd611f498f48cea Mon Sep 17 00:00:00 2001
From: Anthon van der Neut <anthon@mnt.org>
Date: Mon, 3 Jan 2022 09:22:25 +0100
Subject: fix issue 414 dateime fraction >= 9999995

---
 _test/test_datetime.py | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to '_test')

diff --git a/_test/test_datetime.py b/_test/test_datetime.py
index 5874c0d..7321816 100644
--- a/_test/test_datetime.py
+++ b/_test/test_datetime.py
@@ -145,3 +145,16 @@ class TestDateTime:
         """)
         data = copy.deepcopy(round_trip_load(x))
         assert round_trip_dump(data) == x
+
+    def test_fraction_overflow(self):
+        # reported (indirectly) by Luís Ferreira
+        # https://sourceforge.net/p/ruamel-yaml/tickets/414/
+        inp = dedent("""\
+        - 2022-01-02T12:34:59.9999994
+        - 2022-01-02T12:34:59.9999995
+        """)
+        exp = dedent("""\
+        - 2022-01-02T12:34:59.999999
+        - 2022-01-02T12:35:00
+        """)
+        round_trip(inp, exp)
-- 
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