shithub: regress

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date: check for expected time ranges.

--- a/libc/date.c

+++ b/libc/date.c

@@ -47,6 +47,15 @@

 }

 void

+rangechk(vlong sec, char *s, vlong val, vlong lo, vlong hi)

+{

+	if(val < lo || val > hi){

+		fprint(2, "%lld: %s: expected %lld <= %lld <= %lld", sec, s, lo, val, hi);

+		failed++;

+	}

+}

+

+void

 main(int, char **)

 {

 	Tm tm, tt;

@@ -75,6 +84,19 @@

 	     sysfatal("get time: %r\n");

 	if(tmtime(&there, tmnorm(&here), zp) == nil)

 	     sysfatal("shift time: %r\n");

+

+	for(i = 0; i < 1600826575; i += 3613){

+		tmtime(&tm, i, nil);

+		rangechk(i, "nsec", tm.nsec, 0, 1e9);

+		rangechk(i, "sec", tm.sec, 0, 59);

+		rangechk(i, "min", tm.min, 0, 59);

+		rangechk(i, "hour", tm.hour, 0, 23);

+		rangechk(i, "mday", tm.mday, 1, 31);

+		rangechk(i, "mon", tm.mon, 0, 11);

+		rangechk(i, "year", tm.year, 69 ,120);

+		rangechk(i, "wday", tm.wday, 0, 6);

+		rangechk(i, "yday", tm.yday, 0, 365);

+	}

 	tmtime(&tm, 1586574870, gmt);

 	testtm("tmtime-gmt", 2020, 3, 11, 3, 14, 30, 0, &tm);