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#!./perl
use strict;
use warnings;
use Config;
use Test::More 0.88;
use Time::Local;
# Set up time values to test
my @time =
(
#year,mon,day,hour,min,sec
[1970, 1, 2, 00, 00, 00],
[1980, 2, 28, 12, 00, 00],
[1980, 2, 29, 12, 00, 00],
[1999, 12, 31, 23, 59, 59],
[2000, 1, 1, 00, 00, 00],
[2010, 10, 12, 14, 13, 12],
# leap day
[2020, 2, 29, 12, 59, 59],
[2030, 7, 4, 17, 07, 06],
# The following test fails on a surprising number of systems
# so it is commented out. The end of the Epoch for a 32-bit signed
# implementation of time_t should be Jan 19, 2038 03:14:07 UTC.
# [2038, 1, 17, 23, 59, 59], # last full day in any tz
[2010, 10, 12, 14, 13, 12.1],
[2010, 10, 12, 14, 13, 59.1],
);
# more than 2**31 time_t - requires a 64bit safe localtime/gmtime
push @time, [2258, 8, 11, 1, 49, 17]
if $] >= 5.012000;
my @bad_time =
(
# month too large
[1995, 13, 01, 01, 01, 01],
# day too large
[1995, 02, 30, 01, 01, 01],
# hour too large
[1995, 02, 10, 25, 01, 01],
# minute too large
[1995, 02, 10, 01, 60, 01],
# second too large
[1995, 02, 10, 01, 01, 60],
);
my @neg_time =
(
# test negative epochs for systems that handle it
[ 1969, 12, 31, 16, 59, 59 ],
[ 1950, 04, 12, 9, 30, 31 ],
);
# Leap year tests
my @years =
(
[ 1900 => 0 ],
[ 1947 => 0 ],
[ 1996 => 1 ],
[ 2000 => 1 ],
[ 2100 => 0 ],
);
# Use 3 days before the start of the epoch because with Borland on
# Win32 it will work for -3600 _if_ your time zone is +01:00 (or
# greater).
my $neg_epoch_ok = defined ((localtime(-259200))[0]) ? 1 : 0;
# use vmsish 'time' makes for oddness around the Unix epoch
if ($^O eq 'VMS') {
$time[0][2]++;
$neg_epoch_ok = 0; # time_t is unsigned
}
my $epoch_is_64 = eval { $Config{ivsize} == 8 && ( gmtime 2**40 )[5] == 34912 };
for (@time, @neg_time) {
my($year, $mon, $mday, $hour, $min, $sec) = @$_;
$year -= 1900;
$mon--;
SKIP: {
skip '1970 test on VOS fails.', 12
if $^O eq 'vos' && $year == 70;
skip 'this platform does not support negative epochs.', 12
if $year < 70 && ! $neg_epoch_ok;
# Test timelocal()
{
my $year_in = $year < 70 ? $year + 1900 : $year;
my $time = timelocal($sec,$min,$hour,$mday,$mon,$year_in);
my($s,$m,$h,$D,$M,$Y) = localtime($time);
is($s, int($sec), "timelocal second for @$_");
is($m, $min, "timelocal minute for @$_");
is($h, $hour, "timelocal hour for @$_");
is($D, $mday, "timelocal day for @$_");
is($M, $mon, "timelocal month for @$_");
is($Y, $year, "timelocal year for @$_");
}
# Test timegm()
{
my $year_in = $year < 70 ? $year + 1900 : $year;
my $time = timegm($sec,$min,$hour,$mday,$mon,$year_in);
my($s,$m,$h,$D,$M,$Y) = gmtime($time);
is($s, int($sec), "timegm second for @$_");
is($m, $min, "timegm minute for @$_");
is($h, $hour, "timegm hour for @$_");
is($D, $mday, "timegm day for @$_");
is($M, $mon, "timegm month for @$_");
is($Y, $year, "timegm year for @$_");
}
}
}
for (@bad_time) {
my($year, $mon, $mday, $hour, $min, $sec) = @$_;
$year -= 1900;
$mon--;
eval { timegm($sec,$min,$hour,$mday,$mon,$year) };
like($@, qr/.*out of range.*/, 'invalid time caused an error');
}
{
is(timelocal(0,0,1,1,0,90) - timelocal(0,0,0,1,0,90), 3600,
'one hour difference between two calls to timelocal');
is(timelocal(1,2,3,1,0,100) - timelocal(1,2,3,31,11,99), 24 * 3600,
'one day difference between two calls to timelocal');
# Diff beween Jan 1, 1980 and Mar 1, 1980 = (31 + 29 = 60 days)
is(timegm(0,0,0, 1, 2, 80) - timegm(0,0,0, 1, 0, 80), 60 * 24 * 3600,
'60 day difference between two calls to timegm');
}
# bugid #19393
# At a DST transition, the clock skips forward, eg from 01:59:59 to
# 03:00:00. In this case, 02:00:00 is an invalid time, and should be
# treated like 03:00:00 rather than 01:00:00 - negative zone offsets used
# to do the latter
{
my $hour = (localtime(timelocal(0, 0, 2, 7, 3, 102)))[2];
# testers in US/Pacific should get 3,
# other testers should get 2
ok($hour == 2 || $hour == 3, 'hour should be 2 or 3');
}
for my $p (@years) {
my ( $year, $is_leap_year ) = @$p;
my $string = $is_leap_year ? 'is' : 'is not';
is( Time::Local::_is_leap_year($year), $is_leap_year,
"$year $string a leap year" );
}
SKIP:
{
skip 'this platform does not support negative epochs.', 6
unless $neg_epoch_ok;
eval { timegm(0,0,0,29,1,1900) };
like($@, qr/Day '29' out of range 1\.\.28/,
'does not accept leap day in 1900');
eval { timegm(0,0,0,29,1,200) };
like($@, qr/Day '29' out of range 1\.\.28/,
'does not accept leap day in 2100 (year passed as 200)');
eval { timegm(0,0,0,29,1,0) };
is($@, '', 'no error with leap day of 2000 (year passed as 0)');
eval { timegm(0,0,0,29,1,1904) };
is($@, '', 'no error with leap day of 1904');
eval { timegm(0,0,0,29,1,4) };
is($@, '', 'no error with leap day of 2004 (year passed as 4)');
eval { timegm(0,0,0,29,1,96) };
is($@, '', 'no error with leap day of 1996 (year passed as 96)');
}
SKIP:
{
skip 'These tests require a system with 64-bit time_t.', 3
unless $epoch_is_64;
is( timegm( 8, 14, 3, 19, 0, ( 1900 + 138 ) ), 2**31,
'can call timegm for 2**31 epoch seconds' );
is( timegm( 16, 28, 6, 7, 1, ( 1900 + 206 ) ), 2**32,
'can call timegm for 2**32 epoch seconds (on a 64-bit system)' );
is( timegm( 16, 36, 0, 20, 1, ( 34912 + 1900 ) ), 2**40,
'can call timegm for 2**40 epoch seconds (on a 64-bit system)' );
}
SKIP:
{
skip 'These tests only run for the package maintainer.', 8
unless $ENV{MAINTAINER};
require POSIX;
local $ENV{TZ} = 'Europe/Vienna';
POSIX::tzset();
# 2001-10-28 02:30:00 - could be either summer or standard time,
# prefer earlier of the two, in this case summer
my $time = timelocal(0, 30, 2, 28, 9, 101);
is($time, 1004229000,
'timelocal prefers earlier epoch in the presence of a DST change');
local $ENV{TZ} = 'America/Chicago';
POSIX::tzset();
# Same local time in America/Chicago. There is a transition here
# as well.
$time = timelocal(0, 30, 1, 28, 9, 101);
is($time, 1004250600,
'timelocal prefers earlier epoch in the presence of a DST change');
$time = timelocal(0, 30, 2, 1, 3, 101);
is($time, 986113800,
'timelocal for non-existent time gives you the time one hour later');
local $ENV{TZ} = 'Australia/Sydney';
POSIX::tzset();
# 2001-03-25 02:30:00 in Australia/Sydney. This is the transition
# _to_ summer time. The southern hemisphere transitions are
# opposite those of the northern.
$time = timelocal(0, 30, 2, 25, 2, 101);
is($time, 985447800,
'timelocal prefers earlier epoch in the presence of a DST change');
$time = timelocal(0, 30, 2, 28, 9, 101);
is($time, 1004200200,
'timelocal for non-existent time gives you the time one hour later');
local $ENV{TZ} = 'Europe/London';
POSIX::tzset();
$time = timelocal( localtime(1111917720) );
is($time, 1111917720,
'timelocal for round trip bug on date of DST change for Europe/London');
# There is no 1:00 AM on this date, as it leaps forward to
# 2:00 on the DST change - this should return 2:00 per the
# docs.
is( ( localtime( timelocal( 0, 0, 1, 27, 2, 2005 ) ) )[2], 2,
'hour is 2 when given 1:00 AM on Europe/London date change' );
is( ( localtime( timelocal( 0, 0, 2, 27, 2, 2005 ) ) )[2], 2,
'hour is 2 when given 2:00 AM on Europe/London date change' );
}
done_testing();
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