1#!./perl
2
3BEGIN {
4  if ($ENV{PERL_CORE}){
5    chdir('t') if -d 't';
6    @INC = ('.', '../lib');
7  }
8}
9
10use strict;
11
12use Config;
13use Test;
14use Time::Local;
15
16# Set up time values to test
17my @time =
18  (
19   #year,mon,day,hour,min,sec
20   [1970,  1,  2, 00, 00, 00],
21   [1980,  2, 28, 12, 00, 00],
22   [1980,  2, 29, 12, 00, 00],
23   [1999, 12, 31, 23, 59, 59],
24   [2000,  1,  1, 00, 00, 00],
25   [2010, 10, 12, 14, 13, 12],
26   # leap day
27   [2020,  2, 29, 12, 59, 59],
28   [2030,  7,  4, 17, 07, 06],
29# The following test fails on a surprising number of systems
30# so it is commented out. The end of the Epoch for a 32-bit signed
31# implementation of time_t should be Jan 19, 2038  03:14:07 UTC.
32#  [2038,  1, 17, 23, 59, 59],     # last full day in any tz
33  );
34
35my @bad_time =
36    (
37     # month too large
38     [1995, 13, 01, 01, 01, 01],
39     # day too large
40     [1995, 02, 30, 01, 01, 01],
41     # hour too large
42     [1995, 02, 10, 25, 01, 01],
43     # minute too large
44     [1995, 02, 10, 01, 60, 01],
45     # second too large
46     [1995, 02, 10, 01, 01, 60],
47    );
48
49my @neg_time =
50    (
51     # test negative epochs for systems that handle it
52     [ 1969, 12, 31, 16, 59, 59 ],
53     [ 1950, 04, 12, 9, 30, 31 ],
54    );
55
56# Use 3 days before the start of the epoch because with Borland on
57# Win32 it will work for -3600 _if_ your time zone is +01:00 (or
58# greater).
59my $neg_epoch_ok = defined ((localtime(-259200))[0]) ? 1 : 0;
60
61# use vmsish 'time' makes for oddness around the Unix epoch
62if ($^O eq 'VMS') {
63    $time[0][2]++;
64    $neg_epoch_ok = 0; # time_t is unsigned
65}
66
67my $tests = (@time * 12);
68$tests += @neg_time * 12;
69$tests += @bad_time;
70$tests += 8;
71$tests += 2 if $ENV{PERL_CORE};
72$tests += 5 if $ENV{MAINTAINER};
73
74plan tests => $tests;
75
76for (@time, @neg_time) {
77    my($year, $mon, $mday, $hour, $min, $sec) = @$_;
78    $year -= 1900;
79    $mon--;
80
81    if ($^O eq 'vos' && $year == 70) {
82        skip(1, "skipping 1970 test on VOS.\n") for 1..6;
83    } elsif ($year < 70 && ! $neg_epoch_ok) {
84        skip(1, "skipping negative epoch.\n") for 1..6;
85    } else {
86        my $year_in = $year < 70 ? $year + 1900 : $year;
87        my $time = timelocal($sec,$min,$hour,$mday,$mon,$year_in);
88
89        my($s,$m,$h,$D,$M,$Y) = localtime($time);
90
91        ok($s, $sec, 'timelocal second');
92        ok($m, $min, 'timelocal minute');
93        ok($h, $hour, 'timelocal hour');
94        ok($D, $mday, 'timelocal day');
95        ok($M, $mon, 'timelocal month');
96        ok($Y, $year, 'timelocal year');
97    }
98
99    if ($^O eq 'vos' && $year == 70) {
100        skip(1, "skipping 1970 test on VOS.\n") for 1..6;
101    } elsif ($year < 70 && ! $neg_epoch_ok) {
102        skip(1, "skipping negative epoch.\n") for 1..6;
103    } else {
104        my $year_in = $year < 70 ? $year + 1900 : $year;
105        my $time = timegm($sec,$min,$hour,$mday,$mon,$year_in);
106
107        my($s,$m,$h,$D,$M,$Y) = gmtime($time);
108
109        ok($s, $sec, 'timegm second');
110        ok($m, $min, 'timegm minute');
111        ok($h, $hour, 'timegm hour');
112        ok($D, $mday, 'timegm day');
113        ok($M, $mon, 'timegm month');
114        ok($Y, $year, 'timegm year');
115    }
116}
117
118for (@bad_time) {
119    my($year, $mon, $mday, $hour, $min, $sec) = @$_;
120    $year -= 1900;
121    $mon--;
122
123    eval { timegm($sec,$min,$hour,$mday,$mon,$year) };
124
125    ok($@, qr/.*out of range.*/, 'invalid time caused an error');
126}
127
128ok(timelocal(0,0,1,1,0,90) - timelocal(0,0,0,1,0,90), 3600,
129   'one hour difference between two calls to timelocal');
130
131ok(timelocal(1,2,3,1,0,100) - timelocal(1,2,3,31,11,99), 24 * 3600,
132   'one day difference between two calls to timelocal');
133
134# Diff beween Jan 1, 1980 and Mar 1, 1980 = (31 + 29 = 60 days)
135ok(timegm(0,0,0, 1, 2, 80) - timegm(0,0,0, 1, 0, 80), 60 * 24 * 3600,
136   '60 day difference between two calls to timegm');
137
138# bugid #19393
139# At a DST transition, the clock skips forward, eg from 01:59:59 to
140# 03:00:00. In this case, 02:00:00 is an invalid time, and should be
141# treated like 03:00:00 rather than 01:00:00 - negative zone offsets used
142# to do the latter
143{
144    my $hour = (localtime(timelocal(0, 0, 2, 7, 3, 102)))[2];
145    # testers in US/Pacific should get 3,
146    # other testers should get 2
147    ok($hour == 2 || $hour == 3, 1, 'hour should be 2 or 3');
148}
149
150if ($neg_epoch_ok) {
151    eval { timegm(0,0,0,29,1,1900) };
152    ok($@, qr/Day '29' out of range 1\.\.28/);
153
154    eval { timegm(0,0,0,29,1,1904) };
155    ok($@, '');
156} else {
157    skip(1, "skipping negative epoch.\n") for 1..2;
158}
159
160# round trip was broken for edge cases
161if ($^O eq "aix" && $Config{osvers} =~ m/^4\.3\./) {
162    skip( 1, "No fix expected for edge case test for $_ on AIX 4.3") for qw( timegm timelocal );
163} else {
164    ok(sprintf('%x', timegm(gmtime(0x7fffffff))), sprintf('%x', 0x7fffffff),
165       '0x7fffffff round trip through gmtime then timegm');
166
167    ok(sprintf('%x', timelocal(localtime(0x7fffffff))), sprintf('%x', 0x7fffffff),
168       '0x7fffffff round trip through localtime then timelocal');
169}
170
171if ($ENV{MAINTAINER}) {
172    eval { require POSIX; POSIX::tzset() };
173    if ($@) {
174        skip( 1, "Cannot call POSIX::tzset() on this platform\n" ) for 1..3;
175    }
176    else {
177        local $ENV{TZ} = 'Europe/Vienna';
178        POSIX::tzset();
179
180        # 2001-10-28 02:30:00 - could be either summer or standard time,
181        # prefer earlier of the two, in this case summer
182        my $time = timelocal(0, 30, 2, 28, 9, 101);
183        ok($time, 1004229000,
184           'timelocal prefers earlier epoch in the presence of a DST change');
185
186        local $ENV{TZ} = 'America/Chicago';
187        POSIX::tzset();
188
189        # Same local time in America/Chicago.  There is a transition
190        # here as well.
191        $time = timelocal(0, 30, 1, 28, 9, 101);
192        ok($time, 1004250600,
193           'timelocal prefers earlier epoch in the presence of a DST change');
194
195        $time = timelocal(0, 30, 2, 1, 3, 101);
196        ok($time, 986113800,
197           'timelocal for non-existent time gives you the time one hour later');
198
199        local $ENV{TZ} = 'Australia/Sydney';
200        POSIX::tzset();
201
202        # 2001-03-25 02:30:00 in Australia/Sydney.  This is the transition
203        # _to_ summer time.  The southern hemisphere transitions are
204        # opposite those of the northern.
205        $time = timelocal(0, 30, 2, 25, 2, 101);
206        ok($time, 985447800,
207           'timelocal prefers earlier epoch in the presence of a DST change');
208
209        $time = timelocal(0, 30, 2, 28, 9, 101);
210        ok($time, 1004200200,
211           'timelocal for non-existent time gives you the time one hour later');
212    }
213}
214
215if ($ENV{PERL_CORE}) {
216  package test;
217  require 'timelocal.pl';
218
219  # need to get ok() from main package
220  ::ok(timegm(0,0,0,1,0,80), main::timegm(0,0,0,1,0,80),
221     'timegm in timelocal.pl');
222
223  ::ok(timelocal(1,2,3,4,5,88), main::timelocal(1,2,3,4,5,88),
224     'timelocal in timelocal.pl');
225}
226