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1 | #!./perl |
2 | |
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3 | use strict; |
4 | |
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5 | use Config; |
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6 | use Test::More; |
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7 | use Time::Local; |
8 | |
9 | # Set up time values to test |
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10 | my @time = |
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11 | ( |
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12 | #year,mon,day,hour,min,sec |
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13 | [1970, 1, 2, 00, 00, 00], |
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14 | [1980, 2, 28, 12, 00, 00], |
15 | [1980, 2, 29, 12, 00, 00], |
16 | [1999, 12, 31, 23, 59, 59], |
17 | [2000, 1, 1, 00, 00, 00], |
18 | [2010, 10, 12, 14, 13, 12], |
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19 | # leap day |
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20 | [2020, 2, 29, 12, 59, 59], |
21 | [2030, 7, 4, 17, 07, 06], |
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22 | [2038, 1, 17, 23, 59, 59], # last full day in any tz |
23 | |
24 | # more than 2**31 time_t |
25 | [2258, 8, 11, 1, 49, 17], |
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26 | ); |
27 | |
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28 | my @bad_time = |
29 | ( |
30 | # month too large |
31 | [1995, 13, 01, 01, 01, 01], |
32 | # day too large |
33 | [1995, 02, 30, 01, 01, 01], |
34 | # hour too large |
35 | [1995, 02, 10, 25, 01, 01], |
36 | # minute too large |
37 | [1995, 02, 10, 01, 60, 01], |
38 | # second too large |
39 | [1995, 02, 10, 01, 01, 60], |
40 | ); |
41 | |
42 | my @neg_time = |
43 | ( |
44 | # test negative epochs for systems that handle it |
45 | [ 1969, 12, 31, 16, 59, 59 ], |
46 | [ 1950, 04, 12, 9, 30, 31 ], |
47 | ); |
48 | |
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49 | # Leap year tests |
50 | my @years = |
51 | ( |
52 | [ 1900 => 0 ], |
53 | [ 1947 => 0 ], |
54 | [ 1996 => 1 ], |
55 | [ 2000 => 1 ], |
56 | [ 2100 => 0 ], |
57 | ); |
58 | |
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59 | # Use 3 days before the start of the epoch because with Borland on |
60 | # Win32 it will work for -3600 _if_ your time zone is +01:00 (or |
61 | # greater). |
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62 | my $neg_epoch_ok = defined ((localtime(-259200))[0]) ? 1 : 0; |
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63 | |
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64 | # use vmsish 'time' makes for oddness around the Unix epoch |
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65 | if ($^O eq 'VMS') { |
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66 | $time[0][2]++; |
67 | $neg_epoch_ok = 0; # time_t is unsigned |
68 | } |
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69 | |
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70 | my $epoch_is_64 = eval { $Config{ivsize} == 8 && ( gmtime 2**40 )[5] == 34912 }; |
71 | |
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72 | my $tests = (@time * 12); |
73 | $tests += @neg_time * 12; |
74 | $tests += @bad_time; |
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75 | $tests += @years; |
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76 | $tests += 21; |
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77 | |
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78 | plan tests => $tests; |
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79 | |
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80 | for (@time, @neg_time) { |
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81 | my($year, $mon, $mday, $hour, $min, $sec) = @$_; |
82 | $year -= 1900; |
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83 | $mon--; |
84 | |
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85 | # Test timelocal() |
86 | { |
87 | my $year_in = $year < 70 ? $year + 1900 : $year; |
88 | my $time = timelocal($sec,$min,$hour,$mday,$mon,$year_in); |
89 | |
90 | my($s,$m,$h,$D,$M,$Y) = localtime($time); |
91 | |
92 | is($s, $sec, "timelocal second for @$_"); |
93 | is($m, $min, "timelocal minute for @$_"); |
94 | is($h, $hour, "timelocal hour for @$_"); |
95 | is($D, $mday, "timelocal day for @$_"); |
96 | is($M, $mon, "timelocal month for @$_"); |
97 | is($Y, $year, "timelocal year for @$_"); |
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98 | } |
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99 | |
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100 | |
101 | # Test timegm() |
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102 | { |
103 | my $year_in = $year < 70 ? $year + 1900 : $year; |
104 | my $time = timegm($sec,$min,$hour,$mday,$mon,$year_in); |
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105 | |
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106 | my($s,$m,$h,$D,$M,$Y) = gmtime($time); |
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107 | |
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108 | is($s, $sec, "timegm second for @$_"); |
109 | is($m, $min, "timegm minute for @$_"); |
110 | is($h, $hour, "timegm hour for @$_"); |
111 | is($D, $mday, "timegm day for @$_"); |
112 | is($M, $mon, "timegm month for @$_"); |
113 | is($Y, $year, "timegm year for @$_"); |
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114 | } |
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115 | } |
116 | |
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117 | |
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118 | for (@bad_time) { |
119 | my($year, $mon, $mday, $hour, $min, $sec) = @$_; |
120 | $year -= 1900; |
121 | $mon--; |
122 | |
123 | eval { timegm($sec,$min,$hour,$mday,$mon,$year) }; |
124 | |
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125 | like($@, qr/.*out of range.*/, 'invalid time caused an error'); |
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126 | } |
127 | |
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128 | { |
129 | is(timelocal(0,0,1,1,0,90) - timelocal(0,0,0,1,0,90), 3600, |
130 | 'one hour difference between two calls to timelocal'); |
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131 | |
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132 | is(timelocal(1,2,3,1,0,100) - timelocal(1,2,3,31,11,99), 24 * 3600, |
133 | 'one day difference between two calls to timelocal'); |
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134 | |
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135 | # Diff beween Jan 1, 1980 and Mar 1, 1980 = (31 + 29 = 60 days) |
136 | is(timegm(0,0,0, 1, 2, 80) - timegm(0,0,0, 1, 0, 80), 60 * 24 * 3600, |
137 | '60 day difference between two calls to timegm'); |
138 | } |
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139 | |
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140 | # bugid #19393 |
141 | # At a DST transition, the clock skips forward, eg from 01:59:59 to |
142 | # 03:00:00. In this case, 02:00:00 is an invalid time, and should be |
143 | # treated like 03:00:00 rather than 01:00:00 - negative zone offsets used |
144 | # to do the latter |
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145 | { |
146 | my $hour = (localtime(timelocal(0, 0, 2, 7, 3, 102)))[2]; |
147 | # testers in US/Pacific should get 3, |
148 | # other testers should get 2 |
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149 | ok($hour == 2 || $hour == 3, 'hour should be 2 or 3'); |
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150 | } |
151 | |
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152 | for my $p (@years) { |
153 | my ( $year, $is_leap_year ) = @$p; |
154 | |
155 | my $string = $is_leap_year ? 'is' : 'is not'; |
156 | is( Time::Local::_is_leap_year($year), $is_leap_year, |
157 | "$year $string a leap year" ); |
158 | } |
159 | |
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160 | { |
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161 | eval { timegm(0,0,0,29,1,1900) }; |
162 | like($@, qr/Day '29' out of range 1\.\.28/, |
163 | 'does not accept leap day in 1900'); |
164 | |
165 | eval { timegm(0,0,0,29,1,200) }; |
166 | like($@, qr/Day '29' out of range 1\.\.28/, |
167 | 'does not accept leap day in 2100 (year passed as 200)'); |
168 | |
169 | eval { timegm(0,0,0,29,1,0) }; |
170 | is($@, '', 'no error with leap day of 2000 (year passed as 0)'); |
171 | |
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172 | eval { timegm(0,0,0,29,1,1904) }; |
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173 | is($@, '', 'no error with leap day of 1904'); |
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174 | |
175 | eval { timegm(0,0,0,29,1,4) }; |
176 | is($@, '', 'no error with leap day of 2004 (year passed as 4)'); |
177 | |
178 | eval { timegm(0,0,0,29,1,96) }; |
179 | is($@, '', 'no error with leap day of 1996 (year passed as 96)'); |
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180 | } |
181 | |
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182 | SKIP: |
183 | { |
184 | skip 'These tests require a system with 64-bit time_t.', 3 |
185 | unless $epoch_is_64; |
186 | |
187 | is( timegm( 8, 14, 3, 19, 0, ( 1900 + 138 ) ), 2**31, |
188 | 'can call timegm for 2**31 epoch seconds' ); |
189 | is( timegm( 16, 28, 6, 7, 1, ( 1900 + 206 ) ), 2**32, |
190 | 'can call timegm for 2**32 epoch seconds (on a 64-bit system)' ); |
191 | is( timegm( 16, 36, 0, 20, 1, ( 34912 + 1900 ) ), 2**40, |
192 | 'can call timegm for 2**40 epoch seconds (on a 64-bit system)' ); |
193 | } |
194 | |
195 | SKIP: |
196 | { |
197 | skip 'These tests only run for the package maintainer.', 8 |
198 | unless $ENV{MAINTAINER}; |
199 | |
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200 | require POSIX; |
201 | |
202 | local $ENV{TZ} = 'Europe/Vienna'; |
203 | POSIX::tzset(); |
204 | |
205 | # 2001-10-28 02:30:00 - could be either summer or standard time, |
206 | # prefer earlier of the two, in this case summer |
207 | my $time = timelocal(0, 30, 2, 28, 9, 101); |
208 | is($time, 1004229000, |
209 | 'timelocal prefers earlier epoch in the presence of a DST change'); |
210 | |
211 | local $ENV{TZ} = 'America/Chicago'; |
212 | POSIX::tzset(); |
213 | |
214 | # Same local time in America/Chicago. There is a transition here |
215 | # as well. |
216 | $time = timelocal(0, 30, 1, 28, 9, 101); |
217 | is($time, 1004250600, |
218 | 'timelocal prefers earlier epoch in the presence of a DST change'); |
219 | |
220 | $time = timelocal(0, 30, 2, 1, 3, 101); |
221 | is($time, 986113800, |
222 | 'timelocal for non-existent time gives you the time one hour later'); |
223 | |
224 | local $ENV{TZ} = 'Australia/Sydney'; |
225 | POSIX::tzset(); |
226 | # 2001-03-25 02:30:00 in Australia/Sydney. This is the transition |
227 | # _to_ summer time. The southern hemisphere transitions are |
228 | # opposite those of the northern. |
229 | $time = timelocal(0, 30, 2, 25, 2, 101); |
230 | is($time, 985447800, |
231 | 'timelocal prefers earlier epoch in the presence of a DST change'); |
232 | |
233 | $time = timelocal(0, 30, 2, 28, 9, 101); |
234 | is($time, 1004200200, |
235 | 'timelocal for non-existent time gives you the time one hour later'); |
236 | |
237 | local $ENV{TZ} = 'Europe/London'; |
238 | POSIX::tzset(); |
239 | $time = timelocal( localtime(1111917720) ); |
240 | is($time, 1111917720, |
241 | 'timelocal for round trip bug on date of DST change for Europe/London'); |
242 | |
243 | # There is no 1:00 AM on this date, as it leaps forward to |
244 | # 2:00 on the DST change - this should return 2:00 per the |
245 | # docs. |
246 | is( ( localtime( timelocal( 0, 0, 1, 27, 2, 2005 ) ) )[2], 2, |
247 | 'hour is 2 when given 1:00 AM on Europe/London date change' ); |
248 | |
249 | is( ( localtime( timelocal( 0, 0, 2, 27, 2, 2005 ) ) )[2], 2, |
250 | 'hour is 2 when given 2:00 AM on Europe/London date change' ); |
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251 | } |