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Upgrade to Time::Local 1.12
[perl5.git] / lib / Time / Local.t
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1#!./perl
2
3BEGIN {
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4 if ($ENV{PERL_CORE}){
5 chdir('t') if -d 't';
6 @INC = ('.', '../lib');
7 }
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8}
9
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10use strict;
11
ee80afe6 12use Config;
823a6996 13use Test;
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14use Time::Local;
15
16# Set up time values to test
823a6996 17my @time =
1a3850a5 18 (
823a6996 19 #year,mon,day,hour,min,sec
9b599b2a 20 [1970, 1, 2, 00, 00, 00],
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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],
5847cf89 26 # leap day
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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
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33 );
34
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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
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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 $neg_epoch_ok = defined ((localtime(-259200))[0]) ? 1 : 0;
5847cf89 60
61bb5906 61# use vmsish 'time' makes for oddness around the Unix epoch
8f230aaa 62if ($^O eq 'VMS') {
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63 $time[0][2]++;
64 $neg_epoch_ok = 0; # time_t is unsigned
65}
61bb5906 66
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67my $tests = (@time * 12);
68$tests += @neg_time * 12;
69$tests += @bad_time;
70$tests += 8;
1c41b6a4 71$tests += 2 if $ENV{PERL_CORE};
8f230aaa 72$tests += 6 if $ENV{MAINTAINER};
1c41b6a4 73
823a6996 74plan tests => $tests;
1a3850a5 75
5847cf89 76for (@time, @neg_time) {
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77 my($year, $mon, $mday, $hour, $min, $sec) = @$_;
78 $year -= 1900;
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79 $mon--;
80
81 if ($^O eq 'vos' && $year == 70) {
82 skip(1, "skipping 1970 test on VOS.\n") for 1..6;
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83 } elsif ($year < 70 && ! $neg_epoch_ok) {
84 skip(1, "skipping negative epoch.\n") for 1..6;
1a3850a5 85 } else {
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86 my $year_in = $year < 70 ? $year + 1900 : $year;
87 my $time = timelocal($sec,$min,$hour,$mday,$mon,$year_in);
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88
89 my($s,$m,$h,$D,$M,$Y) = localtime($time);
90
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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, $year, 'timelocal year');
1a3850a5 97 }
1a3850a5 98
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99 if ($^O eq 'vos' && $year == 70) {
100 skip(1, "skipping 1970 test on VOS.\n") for 1..6;
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101 } elsif ($year < 70 && ! $neg_epoch_ok) {
102 skip(1, "skipping negative epoch.\n") for 1..6;
1a3850a5 103 } else {
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104 my $year_in = $year < 70 ? $year + 1900 : $year;
105 my $time = timegm($sec,$min,$hour,$mday,$mon,$year_in);
823a6996 106
4ab0373f 107 my($s,$m,$h,$D,$M,$Y) = gmtime($time);
823a6996 108
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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, $year, 'timegm year');
1a3850a5 115 }
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116}
117
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118for (@bad_time) {
119 my($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
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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');
1a3850a5 130
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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');
1a3850a5 133
78063c05 134# Diff beween Jan 1, 1980 and Mar 1, 1980 = (31 + 29 = 60 days)
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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');
1a3850a5 137
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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
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143{
144 my $hour = (localtime(timelocal(0, 0, 2, 7, 3, 102)))[2];
145 # testers in US/Pacific should get 3,
146 # other testers should get 2
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147 ok($hour == 2 || $hour == 3, 1, 'hour should be 2 or 3');
148}
149
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150if ($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
823a6996 160# round trip was broken for edge cases
ee80afe6 161if ($^O eq "aix" && $Config{osvers} =~ m/^4\.3\./) {
f6e7a6f2 162 skip( 1, "No fix expected for edge case test for $_ on AIX 4.3") for qw( timegm timelocal );
ee80afe6 163} else {
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164 ok(sprintf('%x', timegm(gmtime(0x7fffffff))), sprintf('%x', 0x7fffffff),
165 '0x7fffffff round trip through gmtime then timegm');
823a6996 166
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167 ok(sprintf('%x', timelocal(localtime(0x7fffffff))), sprintf('%x', 0x7fffffff),
168 '0x7fffffff round trip through localtime then timelocal');
ee80afe6 169}
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170
171if ($ENV{MAINTAINER}) {
172 eval { require POSIX; POSIX::tzset() };
173 if ($@) {
f6e7a6f2 174 skip( 1, "Cannot call POSIX::tzset() on this platform\n" ) for 1..3;
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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
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189 # Same local time in America/Chicago. There is a transition
190 # here as well.
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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
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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
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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');
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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');
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212
213 local $ENV{TZ} = 'Europe/London';
214 POSIX::tzset();
215 $time = timelocal( localtime(1111917720) );
216 ok($time, 1111917720,
217 'timelocal for round trip bug on date of DST change for Europe/London');
823a6996 218 }
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219}
220
1c41b6a4 221if ($ENV{PERL_CORE}) {
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222 package test;
223 require 'timelocal.pl';
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224
225 # need to get ok() from main package
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226 ::ok(timegm(0,0,0,1,0,80), main::timegm(0,0,0,1,0,80),
227 'timegm in timelocal.pl');
1a3850a5 228
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229 ::ok(timelocal(1,2,3,4,5,88), main::timelocal(1,2,3,4,5,88),
230 'timelocal in timelocal.pl');
1c41b6a4 231}