Commit | Line | Data |
dcf686c9 |
1 | BEGIN { |
2 | chdir 't' if -d 't'; |
3 | @INC = '../lib'; |
4 | } |
5 | |
f7916ddb |
6 | BEGIN { $| = 1; print "1..25\n"; } |
dcf686c9 |
7 | |
8 | END {print "not ok 1\n" unless $loaded;} |
9 | |
10 | use Time::HiRes qw(tv_interval); |
11 | |
12 | $loaded = 1; |
13 | |
14 | print "ok 1\n"; |
15 | |
16 | use strict; |
17 | |
18 | my $have_gettimeofday = defined &Time::HiRes::gettimeofday; |
19 | my $have_usleep = defined &Time::HiRes::usleep; |
20 | my $have_ualarm = defined &Time::HiRes::ualarm; |
c9ff6e92 |
21 | my $have_time = defined &Time::HiRes::time; |
dcf686c9 |
22 | |
23 | import Time::HiRes 'gettimeofday' if $have_gettimeofday; |
24 | import Time::HiRes 'usleep' if $have_usleep; |
25 | import Time::HiRes 'ualarm' if $have_ualarm; |
26 | |
3c72ec00 |
27 | use Config; |
28 | |
dcf686c9 |
29 | sub skip { |
30 | map { print "ok $_ (skipped)\n" } @_; |
31 | } |
32 | |
33 | sub ok { |
34 | my ($n, $result, @info) = @_; |
35 | if ($result) { |
36 | print "ok $n\n"; |
37 | } |
38 | else { |
39 | print "not ok $n\n"; |
40 | print "# @info\n" if @info; |
41 | } |
42 | } |
43 | |
44 | if (!$have_gettimeofday) { |
45 | skip 2..6; |
46 | } |
47 | else { |
48 | my @one = gettimeofday(); |
49 | ok 2, @one == 2, 'gettimeofday returned ', 0+@one, ' args'; |
50 | ok 3, $one[0] > 850_000_000, "@one too small"; |
51 | |
52 | sleep 1; |
53 | |
54 | my @two = gettimeofday(); |
55 | ok 4, ($two[0] > $one[0] || ($two[0] == $one[0] && $two[1] > $one[1])), |
56 | "@two is not greater than @one"; |
57 | |
c9ff6e92 |
58 | my $f = Time::HiRes::time(); |
dcf686c9 |
59 | ok 5, $f > 850_000_000, "$f too small"; |
60 | ok 6, $f - $two[0] < 2, "$f - @two >= 2"; |
61 | } |
62 | |
63 | if (!$have_usleep) { |
64 | skip 7..8; |
65 | } |
66 | else { |
67 | my $one = time; |
68 | usleep(10_000); |
69 | my $two = time; |
70 | usleep(10_000); |
71 | my $three = time; |
72 | ok 7, $one == $two || $two == $three, "slept too long, $one $two $three"; |
73 | |
74 | if (!$have_gettimeofday) { |
75 | skip 8; |
76 | } |
77 | else { |
c9ff6e92 |
78 | my $f = Time::HiRes::time(); |
dcf686c9 |
79 | usleep(500_000); |
c9ff6e92 |
80 | my $f2 = Time::HiRes::time(); |
dcf686c9 |
81 | my $d = $f2 - $f; |
82 | ok 8, $d > 0.4 && $d < 0.8, "slept $d secs $f to $f2"; |
83 | } |
84 | } |
85 | |
86 | # Two-arg tv_interval() is always available. |
87 | { |
88 | my $f = tv_interval [5, 100_000], [10, 500_000]; |
6cf89afa |
89 | ok 9, abs($f - 5.4) < 0.001, $f; |
dcf686c9 |
90 | } |
91 | |
92 | if (!$have_gettimeofday) { |
93 | skip 10; |
94 | } |
95 | else { |
96 | my $r = [gettimeofday()]; |
97 | my $f = tv_interval $r; |
98 | ok 10, $f < 2, $f; |
99 | } |
100 | |
c9ff6e92 |
101 | if (!$have_usleep || !$have_gettimeofday) { |
dcf686c9 |
102 | skip 11; |
103 | } |
104 | else { |
105 | my $r = [gettimeofday()]; |
106 | #jTime::HiRes::sleep 0.5; |
107 | Time::HiRes::sleep( 0.5 ); |
108 | my $f = tv_interval $r; |
109 | ok 11, $f > 0.4 && $f < 0.8, "slept $f secs"; |
110 | } |
111 | |
112 | if (!$have_ualarm) { |
113 | skip 12..13; |
114 | } |
115 | else { |
116 | my $tick = 0; |
117 | local $SIG{ALRM} = sub { $tick++ }; |
118 | |
119 | my $one = time; $tick = 0; ualarm(10_000); sleep until $tick; |
120 | my $two = time; $tick = 0; ualarm(10_000); sleep until $tick; |
121 | my $three = time; |
122 | ok 12, $one == $two || $two == $three, "slept too long, $one $two $three"; |
123 | |
124 | $tick = 0; |
125 | ualarm(10_000, 10_000); |
126 | sleep until $tick >= 3; |
127 | ok 13, 1; |
128 | ualarm(0); |
129 | } |
130 | |
131 | # new test: did we even get close? |
132 | |
c9ff6e92 |
133 | if (!$have_time) { |
134 | skip 14 |
135 | } else { |
456811e8 |
136 | my ($s, $n); |
137 | for my $i (1 .. 100) { |
138 | $s += Time::HiRes::time() - time(); |
139 | $n++; |
64cc9c1c |
140 | } |
456811e8 |
141 | # $s should be, at worst, equal to $n |
142 | # (time() may be rounding down, up, or closest) |
143 | ok 14, abs($s) / $n <= 1.0, "Time::HiRes::time() not close to time()"; |
144 | print "# s = $s, n = $n, s/n = ", $s/$n, "\n"; |
dcf686c9 |
145 | } |
146 | |
147 | unless (defined &Time::HiRes::gettimeofday |
148 | && defined &Time::HiRes::ualarm |
149 | && defined &Time::HiRes::usleep) { |
150 | for (15..17) { |
151 | print "ok $_ # skipped\n"; |
152 | } |
153 | } else { |
154 | use Time::HiRes qw (time alarm sleep); |
155 | |
156 | my ($f, $r, $i); |
157 | |
dcf686c9 |
158 | $f = time; |
add58217 |
159 | print "# time...$f\n"; |
160 | print "ok 15\n"; |
dcf686c9 |
161 | |
c9ff6e92 |
162 | $r = [Time::HiRes::gettimeofday()]; |
dcf686c9 |
163 | sleep (0.5); |
add58217 |
164 | print "# sleep...", Time::HiRes::tv_interval($r), "\nok 16\n"; |
dcf686c9 |
165 | |
c9ff6e92 |
166 | $r = [Time::HiRes::gettimeofday()]; |
dcf686c9 |
167 | $i = 5; |
168 | $SIG{ALRM} = "tick"; |
6ea166ef |
169 | while ($i > 0) |
dcf686c9 |
170 | { |
0e172911 |
171 | alarm(0.3); |
dcf686c9 |
172 | select (undef, undef, undef, 10); |
3c72ec00 |
173 | print "# Select returned! $i ", Time::HiRes::tv_interval ($r), "\n"; |
dcf686c9 |
174 | } |
175 | |
176 | sub tick |
177 | { |
dcf686c9 |
178 | $i--; |
3c72ec00 |
179 | print "# Tick! $i ", Time::HiRes::tv_interval ($r), "\n"; |
dcf686c9 |
180 | } |
d0b83b2b |
181 | alarm(0); # can't cancel usig %SIG |
dcf686c9 |
182 | |
183 | print "ok 17\n"; |
184 | } |
185 | |
3c72ec00 |
186 | unless (defined &Time::HiRes::setitimer |
187 | && defined &Time::HiRes::getitimer |
188 | && exists &Time::HiRes::ITIMER_VIRTUAL |
d0b83b2b |
189 | && $Config{d_select} |
190 | && $Config{sig_name} =~ m/\bVTALRM\b/) { |
3c72ec00 |
191 | for (18..19) { |
0e172911 |
192 | print "ok $_ # Skip: no virtual interval timers\n"; |
3c72ec00 |
193 | } |
194 | } else { |
195 | use Time::HiRes qw (setitimer getitimer ITIMER_VIRTUAL); |
196 | |
197 | my $i = 3; |
c9ff6e92 |
198 | my $r = [Time::HiRes::gettimeofday()]; |
3c72ec00 |
199 | |
200 | $SIG{VTALRM} = sub { |
201 | $i ? $i-- : setitimer(ITIMER_VIRTUAL, 0); |
202 | print "# Tick! $i ", Time::HiRes::tv_interval($r), "\n"; |
203 | }; |
204 | |
0e172911 |
205 | print "# setitimer: ", join(" ", setitimer(ITIMER_VIRTUAL, 0.5, 0.4)), "\n"; |
206 | |
207 | # Assume interval timer granularity of 0.05 seconds. Too bold? |
208 | print "not " unless abs(getitimer(ITIMER_VIRTUAL) / 0.5) - 1 < 0.1; |
209 | print "ok 18\n"; |
3c72ec00 |
210 | |
211 | print "# getitimer: ", join(" ", getitimer(ITIMER_VIRTUAL)), "\n"; |
212 | |
1c41c9bf |
213 | while (getitimer(ITIMER_VIRTUAL)) { |
214 | my $j; $j++ for 1..1000; # Can't be unbreakable, must test getitimer(). |
3c72ec00 |
215 | } |
216 | |
217 | print "# getitimer: ", join(" ", getitimer(ITIMER_VIRTUAL)), "\n"; |
218 | |
0e172911 |
219 | print "not " unless getitimer(ITIMER_VIRTUAL) == 0; |
220 | print "ok 19\n"; |
221 | |
3c72ec00 |
222 | $SIG{VTALRM} = 'DEFAULT'; |
223 | } |
224 | |
9c735d59 |
225 | if ($have_gettimeofday) { |
226 | my ($t0, $td); |
52d72fba |
227 | |
9c735d59 |
228 | my $sleep = 1.5; # seconds |
229 | my $limit = 0.1; # 10% is acceptable slosh for timers |
230 | my $msg; |
231 | |
232 | $t0 = gettimeofday(); |
233 | $a = abs(sleep($sleep) / $sleep - 1.0); |
234 | $td = gettimeofday() - $t0; |
235 | |
236 | $msg = "$td went by while sleeping $sleep, ratio $a\n"; |
237 | |
238 | if ($td < $sleep * (1 + $limit)) { |
239 | print $a < $limit ? "ok 20 # $msg" : "not ok 20 # $msg"; |
240 | } else { |
241 | print "ok 20 # Skip: $msg"; |
242 | } |
243 | |
244 | $t0 = gettimeofday(); |
245 | $a = abs(usleep($sleep * 1E6) / ($sleep * 1E6) - 1.0); |
246 | $td = gettimeofday() - $t0; |
247 | |
248 | $msg = "$td went by while sleeping $sleep, ratio $a\n"; |
249 | |
250 | if ($td < $sleep * (1 + $limit)) { |
251 | print $a < $limit ? "ok 21 # $msg" : "not ok 21 # $msg"; |
252 | } else { |
253 | print "ok 21 # Skip: $msg"; |
254 | } |
255 | |
256 | } else { |
257 | for (20..21) { |
258 | print "ok $_ # Skip: no gettimeofday\n"; |
259 | } |
260 | } |
52d72fba |
261 | |
f7916ddb |
262 | eval { sleep(-1) }; |
263 | print $@ =~ /::sleep\(-1\): negative time not invented yet/ ? |
264 | "ok 22\n" : "not ok 22\n"; |
265 | |
266 | eval { usleep(-2) }; |
267 | print $@ =~ /::usleep\(-2\): negative time not invented yet/ ? |
268 | "ok 23\n" : "not ok 23\n"; |
269 | |
ec77158c |
270 | if ($have_ualarm) { |
c46d5038 |
271 | eval { alarm(-3) }; |
272 | print $@ =~ /::alarm\(-3, 0\): negative time not invented yet/ ? |
273 | "ok 24\n" : "not ok 24\n"; |
274 | |
ec77158c |
275 | eval { ualarm(-4) }; |
276 | print $@ =~ /::ualarm\(-4, 0\): negative time not invented yet/ ? |
f7916ddb |
277 | "ok 25\n" : "not ok 25\n"; |
ec77158c |
278 | } else { |
c46d5038 |
279 | skip 24; |
ec77158c |
280 | skip 25; |
281 | } |