ref: 92847c0604e5f4fa790b1783595e8a503ad271be
dir: /lib/date/test/fmt.myr/
use std use date const main = { var buf : byte[1024] var d, s /* epoch */ d = date.mkinstant(0, "") eq("1970-01-01 00:00:00 +0000", std.bfmt(buf[:], "{D}", d)) d = date.mkinstant(24*3600*1_000_000, "") eq("1970-01-02 00:00:00 +0000", std.bfmt(buf[:], "{D}", d)) /* epoch + 12 hours */ d = date.mkinstant(12*3600*1_000_000, "") eq("1970-01-01 12:00:00 +0000", std.bfmt(buf[:], "{D}", d)) /* epoch - 6 hours */ d = date.mkinstant(-6*3600*1_000_000, "") eq("1969-12-31 18:00:00 +0000", std.bfmt(buf[:], "{D}", d)) /* epoch - 12 hours */ d = date.mkinstant(-12*3600*1_000_000, "") eq("1969-12-31 12:00:00 +0000", std.bfmt(buf[:], "{D}", d)) /* more or less random: Fri 29 Aug 2014 07:47:43 PM UTC*/ d = date.mkinstant(1_409_341_663*1_000_000, "") eq("2014-08-29 19:47:43 +0000", std.bfmt(buf[:], "{D}", d)) /* large negative time stamp */ d = date.mkinstant(-50000000000*1_000_000, "") eq("385-07-25 07:06:40 +0000", std.bfmt(buf[:], "{D}", d)) /* date : the bc */ d = date.mkinstant(-70000000000*1_000_000, "") eq("-249-11-19 19:33:20 +0000", std.bfmt(buf[:], "{D}", d)) /* test addition and subtraction of dates */ d = date.mkinstant(-1, "") d = date.addperiod(d, `date.Hour 1) eq("1970-01-01 00:59:59 +0000", std.bfmt(buf[:], "{D}", d)) d = date.mkinstant(0, "") d = date.addperiod(d, `date.Hour 24) eq("1970-01-02 00:00:00 +0000", std.bfmt(buf[:], "{D}", d)) d = date.mkinstant(0, "") d = date.addperiod(d, `date.Day 1) eq("1970-01-02 00:00:00 +0000", std.bfmt(buf[:], "{D}", d)) d = date.subperiod(d, `date.Day 1) eq("1970-01-01 00:00:00 +0000", std.bfmt(buf[:], "{D}", d)) d = date.subperiod(d, `date.Year 1) eq("1969-01-01 00:00:00 +0000", std.bfmt(buf[:], "{D}", d)) d = date.addperiod(d, `date.Day 365) eq("1970-01-01 00:00:00 +0000", std.bfmt(buf[:], "{D}", d)) d = date.addperiod(d, `date.Year 2) eq("1972-01-01 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)) /* check days */ d = date.mkinstant(0, "UTC") eq("Thu", std.bfmt(buf[:], "{f=%a}", d)) eq("Thursday", std.bfmt(buf[:], "{f=%A}", d)) d = date.mkinstant(1409396041 * 1_000_000, "UTC") eq("Sat", std.bfmt(buf[:], "{f=%a}", d)) eq("Saturday", std.bfmt(buf[:], "{f=%A}", d)) d = date.mkinstant(1509396041 * 1_000_000, "UTC") eq("Mon", std.bfmt(buf[:], "{f=%a}", d)) eq("Monday", std.bfmt(buf[:], "{f=%A}", d)) d = date.mkinstant(12*3601*1_000_000, "") for var i = 0; i < 50; i++ d = date.addperiod(d, `date.Day 1) d = date.addperiod(d, `date.Second 1) s = std.fmt("1970-{p=0,w=2}-{p=0,w=2} 12:{p=0,w=2}:{p=0,w=2} +0000", \ (i+1)/31 + 1, (i+1)%31+1, (i+13)/60, (i+13)%60) eq(s, std.bfmt(buf[:], "{D}", d)) std.slfree(s) ;; } const eq = {expected, actual if !std.eq(expected, actual) std.fatal("expected date {}, got {}\n", expected, actual) ;; }