#!./perl
-if ( $does_gmtime = gmtime(time) ) {
- print "1..7\n"
-}
-else {
- print "1..4\n"
-}
-
-
-my $test = 1;
-sub ok ($$) {
- my($ok, $name) = @_;
-
- # You have to do it this way or VMS will get confused.
- print $ok ? "ok $test - $name\n" : "not ok $test - $name\n";
-
- printf "# Failed test at line %d\n", (caller)[2] unless $ok;
-
- $test++;
- return $ok;
+BEGIN {
+ chdir 't' if -d 't';
+ @INC = '../lib';
+ require './test.pl';
}
+plan tests => 44;
($beguser,$begsys) = times;
ok($now > $beg && $now - $beg < 10, 'very basic time test');
for ($i = 0; $i < 1_000_000; $i++) {
+ for my $j (1..100) {}; # burn some user cycles
($nowuser, $nowsys) = times;
$i = 2_000_000 if $nowuser > $beguser && ( $nowsys >= $begsys ||
(!$nowsys && !$begsys));
($xsec,$foo) = localtime($now);
$localyday = $yday;
-ok($sec != $xsec && $mday && $year, 'localtime() list context');
+isnt($sec, $xsec), 'localtime() list context';
+ok $mday, ' month day';
+ok $year, ' year';
ok(localtime() =~ /^(Sun|Mon|Tue|Wed|Thu|Fri|Sat)[ ]
(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)[ ]
'localtime(), scalar context'
);
-exit 0 unless $does_gmtime;
+SKIP: {
+ # This conditional of "No tzset()" is stolen from ext/POSIX/t/time.t
+ skip "No tzset()", 1
+ if $^O eq "MacOS" || $^O eq "VMS" || $^O eq "cygwin" ||
+ $^O eq "djgpp" || $^O eq "MSWin32" || $^O eq "dos" ||
+ $^O eq "interix";
+
+# check that localtime respects changes to $ENV{TZ}
+$ENV{TZ} = "GMT-5";
+($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) = localtime($beg);
+$ENV{TZ} = "GMT+5";
+($sec,$min,$hour2,$mday,$mon,$year,$wday,$yday,$isdst) = localtime($beg);
+ok($hour != $hour2, 'changes to $ENV{TZ} respected');
+}
+
($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) = gmtime($beg);
($xsec,$foo) = localtime($now);
-ok($sec != $xsec && $mday && $year, 'gmtime() list context');
+isnt($sec, $xsec), 'gmtime() list conext';
+ok $mday, ' month day';
+ok $year, ' year';
my $day_diff = $localyday - $yday;
ok( grep({ $day_diff == $_ } (0, 1, -1, 364, 365, -364, -365)),
/x,
'gmtime(), scalar context'
);
+
+
+
+# Test gmtime over a range of times.
+{
+ # The range should be limited only by the 53-bit mantissa of an IEEE double (or
+ # whatever kind of double you've got). Here we just prove that we're comfortably
+ # beyond the range possible with 32-bit time_t.
+ my %tests = (
+ # time_t gmtime list scalar
+ -2**35 => [52, 13, 20, 7, 2, -1019, 5, 65, 0, "Fri Mar 7 20:13:52 881"],
+ -2**32 => [44, 31, 17, 24, 10, -67, 0, 327, 0, "Sun Nov 24 17:31:44 1833"],
+ -2**31 => [52, 45, 20, 13, 11, 1, 5, 346, 0, "Fri Dec 13 20:45:52 1901"],
+ -1 => [59, 59, 23, 31, 11, 69, 3, 364, 0, "Wed Dec 31 23:59:59 1969"],
+ 0 => [0, 0, 0, 1, 0, 70, 4, 0, 0, "Thu Jan 1 00:00:00 1970"],
+ 1 => [1, 0, 0, 1, 0, 70, 4, 0, 0, "Thu Jan 1 00:00:01 1970"],
+ 2**30 => [4, 37, 13, 10, 0, 104, 6, 9, 0, "Sat Jan 10 13:37:04 2004"],
+ 2**31 => [8, 14, 3, 19, 0, 138, 2, 18, 0, "Tue Jan 19 03:14:08 2038"],
+ 2**32 => [16, 28, 6, 7, 1, 206, 0, 37, 0, "Sun Feb 7 06:28:16 2106"],
+ 2**39 => [8, 18, 12, 25, 0, 17491, 2, 24, 0, "Tue Jan 25 12:18:08 19391"],
+ );
+
+ for my $time (keys %tests) {
+ my @expected = @{$tests{$time}};
+ my $scalar = pop @expected;
+
+ ok eq_array([gmtime($time)], \@expected), "gmtime($time) list context";
+ is scalar gmtime($time), $scalar, " scalar";
+ }
+}
+
+
+# Test localtime
+{
+ # We pick times which fall in the middle of a month, so the month and year should be
+ # the same regardless of the time zone.
+ my %tests = (
+ # time_t month, year, scalar
+ -8589934592 => [9, -203, qr/Oct \d+ .* 1697$/],
+ -1296000 => [11, 69, qr/Dec \d+ .* 1969$/],
+ 1296000 => [0, 70, qr/Jan \d+ .* 1970$/],
+ 5000000000 => [5, 228, qr/Jun \d+ .* 2128$/],
+ 1163500000 => [10, 106, qr/Nov \d+ .* 2006$/],
+ );
+
+ for my $time (keys %tests) {
+ my @expected = @{$tests{$time}};
+ my $scalar = pop @expected;
+
+ my @time = (localtime($time))[4,5];
+ ok( eq_array(\@time, \@expected), "localtime($time) list context" )
+ or diag("@time");
+ like scalar localtime($time), $scalar, " scalar";
+ }
+}
+
+# Test floating point args
+{
+ eval {
+ $SIG{__WARN__} = sub { die @_; };
+ localtime(1.23);
+ };
+ is($@, '', 'Ignore fractional time');
+ eval {
+ $SIG{__WARN__} = sub { die @_; };
+ gmtime(1.23);
+ };
+ is($@, '', 'Ignore fractional time');
+}