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-rw-r--r--tests/stdlib/ttimes.nim6
1 files changed, 6 insertions, 0 deletions
diff --git a/tests/stdlib/ttimes.nim b/tests/stdlib/ttimes.nim
index 05c91ccb2..84e00f8de 100644
--- a/tests/stdlib/ttimes.nim
+++ b/tests/stdlib/ttimes.nim
@@ -235,3 +235,9 @@ block dstTest:
     parsedJul = parse("2016-07-01 04:00:00+01:00", "yyyy-MM-dd HH:mm:sszzz")
   doAssert toTime(parsedJan) == fromSeconds(1451962800)
   doAssert toTime(parsedJul) == fromSeconds(1467342000)
+
+block countLeapYears:
+  # 1920, 2004 and 2020 are leap years, and should be counted starting at the following year
+  doAssert countLeapYears(1920) + 1 == countLeapYears(1921)
+  doAssert countLeapYears(2004) + 1 == countLeapYears(2005)
+  doAssert countLeapYears(2020) + 1 == countLeapYears(2021)
\ No newline at end of file