shithub: mc

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Test for leap year transitions.

--- a/lib/date/date.myr

+++ b/lib/date/date.myr

@@ -203,3 +203,4 @@

 	tm += (3600*h + 60*m + s)*1_000_000 + us

 	-> tm

 }

+

--- a/lib/date/test/fmt.myr

+++ b/lib/date/test/fmt.myr

@@ -54,6 +54,14 @@

 	d = date.subperiod(d, `date.Year 1)

 	eq("1969-1-01 00:00:00 +0000", std.bfmt(buf[:], "{D}", d))

+	d = date.addperiod(d, `date.Day 365)

+	eq("1970-1-01 00:00:00 +0000", std.bfmt(buf[:], "{D}", d))

+

+	d = date.addperiod(d, `date.Year 2)

+	eq("1972-1-01 00:00:00 +0000", std.bfmt(buf[:], "{D}", d))

+	d = date.addperiod(d, `date.Day 365)

+	eq("1972-12-31 00:00:00 +0000", std.bfmt(buf[:], "{D}", d))

+

 	d = date.mkinstant(12*3601*1_000_000, "")

 	for var i = 0; i < 50; i++

 		d = date.addperiod(d, `date.Day 1)