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[perl5.git] / ext / threads / t / thread.t
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1use strict;
2use warnings;
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3
4BEGIN {
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5 if ($ENV{'PERL_CORE'}){
6 chdir 't';
7 unshift @INC, '../lib';
8 }
9 use Config;
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10 if (! $Config{'useithreads'}) {
11 print("1..0 # Skip: Perl not compiled with 'useithreads'\n");
12 exit(0);
f9dff5f5 13 }
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14
15 require($ENV{PERL_CORE} ? "./test.pl" : "./t/test.pl");
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16}
17
18use ExtUtils::testlib;
0f1612a7 19
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20use threads;
21
fc04eb16 22BEGIN {
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23 eval {
24 require threads::shared;
f3086ff0 25 threads::shared->import();
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26 };
27 if ($@ || ! $threads::shared::threads_shared) {
28 print("1..0 # Skip: threads::shared not available\n");
29 exit(0);
30 }
31
fc04eb16 32 $| = 1;
09576c7d 33 print("1..33\n"); ### Number of tests that will be run ###
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34};
35
fc04eb16 36print("ok 1 - Loaded\n");
f9dff5f5 37
fc04eb16 38### Start of Testing ###
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39
40sub content {
41 print shift;
42 return shift;
43}
44{
f4cc38af 45 my $t = threads->create(\&content, "ok 2\n", "ok 3\n", 1..1000);
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46 print $t->join();
47}
48{
49 my $lock : shared;
50 my $t;
51 {
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52 lock($lock);
53 $t = threads->create(sub { lock($lock); print "ok 5\n"});
54 print "ok 4\n";
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55 }
56 $t->join();
57}
58
59sub dorecurse {
60 my $val = shift;
61 my $ret;
74bf223e 62 print $val;
f9dff5f5 63 if(@_) {
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64 $ret = threads->create(\&dorecurse, @_);
65 $ret->join;
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66 }
67}
68{
f4cc38af 69 my $t = threads->create(\&dorecurse, map { "ok $_\n" } 6..10);
74bf223e 70 $t->join();
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71}
72
73{
74 # test that sleep lets other thread run
f4cc38af 75 my $t = threads->create(\&dorecurse, "ok 11\n");
da32f63e 76 threads->yield; # help out non-preemptive thread implementations
f9dff5f5 77 sleep 1;
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78 print "ok 12\n";
79 $t->join();
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80}
81{
82 my $lock : shared;
83 sub islocked {
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84 lock($lock);
85 my $val = shift;
86 my $ret;
87 print $val;
88 if (@_) {
89 $ret = threads->create(\&islocked, shift);
90 }
91 return $ret;
f9dff5f5 92 }
f4cc38af 93my $t = threads->create(\&islocked, "ok 13\n", "ok 14\n");
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94$t->join->join;
95}
96
97
98
99sub testsprintf {
100 my $testno = shift;
101 my $same = sprintf( "%0.f", $testno);
8abd20a8 102 return $testno eq $same;
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103}
104
105sub threaded {
8abd20a8 106 my ($string, $string_end) = @_;
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107
108 # Do the match, saving the output in appropriate variables
109 $string =~ /(.*)(is)(.*)/;
110 # Yield control, allowing the other thread to fill in the match variables
111 threads->yield();
112 # Examine the match variable contents; on broken perls this fails
8abd20a8 113 return $3 eq $string_end;
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114}
115
116
117{
74bf223e 118 curr_test(15);
8abd20a8 119
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120 my $thr1 = threads->create(\&testsprintf, 15);
121 my $thr2 = threads->create(\&testsprintf, 16);
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122
123 my $short = "This is a long string that goes on and on.";
124 my $shorte = " a long string that goes on and on.";
125 my $long = "This is short.";
126 my $longe = " short.";
127 my $foo = "This is bar bar bar.";
128 my $fooe = " bar bar bar.";
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129 my $thr3 = new threads \&threaded, $short, $shorte;
130 my $thr4 = new threads \&threaded, $long, $longe;
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131 my $thr5 = new threads \&testsprintf, 19;
132 my $thr6 = new threads \&testsprintf, 20;
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133 my $thr7 = new threads \&threaded, $foo, $fooe;
134
135 ok($thr1->join());
136 ok($thr2->join());
137 ok($thr3->join());
138 ok($thr4->join());
139 ok($thr5->join());
140 ok($thr6->join());
141 ok($thr7->join());
f9dff5f5 142}
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143
144# test that 'yield' is importable
145
146package Test1;
147
148use threads 'yield';
149yield;
150main::ok(1);
151
152package main;
153
154
155# test async
156
157{
158 my $th = async {return 1 };
159 ok($th);
160 ok($th->join());
161}
9c98058e 162{
4dcb9e53 163 # There is a miniscule chance this test case may falsely fail
4acc73f2 164 # since it tests using rand()
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165 my %rand : shared;
166 rand(10);
f4cc38af 167 threads->create( sub { $rand{int(rand(10000000000))}++ } ) foreach 1..25;
9c98058e 168 $_->join foreach threads->list;
4dcb9e53 169 ok((keys %rand >= 23), "Check that rand() is randomized in new threads");
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170}
171
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172# bugid #24165
173
01112dae 174run_perl(prog => 'use threads 1.65;' .
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175 'sub a{threads->create(shift)} $t = a sub{};' .
176 '$t->tid; $t->join; $t->tid',
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177 nolib => ($ENV{PERL_CORE}) ? 0 : 1,
178 switches => ($ENV{PERL_CORE}) ? [] : [ '-Mblib' ]);
4e380990 179is($?, 0, 'coredump in global destruction');
9c98058e 180
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181# Attempt to free unreferenced scalar...
182fresh_perl_is(<<'EOI', 'ok', { }, 'thread sub via scalar');
183 use threads;
184 my $test = sub {};
185 threads->create($test)->join();
186 print 'ok';
187EOI
188
189# Attempt to free unreferenced scalar...
190fresh_perl_is(<<'EOI', 'ok', { }, 'thread sub via $_[0]');
191 use threads;
192 sub thr { threads->new($_[0]); }
193 thr(sub { })->join;
194 print 'ok';
195EOI
196
9660f481 197# test CLONE_SKIP() functionality
0f1612a7 198if ($] >= 5.008007) {
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199 my %c : shared;
200 my %d : shared;
201
202 # ---
203
204 package A;
205 sub CLONE_SKIP { $c{"A-$_[0]"}++; 1; }
206 sub DESTROY { $d{"A-". ref $_[0]}++ }
207
208 package A1;
209 our @ISA = qw(A);
210 sub CLONE_SKIP { $c{"A1-$_[0]"}++; 1; }
211 sub DESTROY { $d{"A1-". ref $_[0]}++ }
212
213 package A2;
214 our @ISA = qw(A1);
215
216 # ---
217
218 package B;
219 sub CLONE_SKIP { $c{"B-$_[0]"}++; 0; }
220 sub DESTROY { $d{"B-" . ref $_[0]}++ }
221
222 package B1;
223 our @ISA = qw(B);
224 sub CLONE_SKIP { $c{"B1-$_[0]"}++; 1; }
225 sub DESTROY { $d{"B1-" . ref $_[0]}++ }
226
227 package B2;
228 our @ISA = qw(B1);
229
230 # ---
231
232 package C;
233 sub CLONE_SKIP { $c{"C-$_[0]"}++; 1; }
234 sub DESTROY { $d{"C-" . ref $_[0]}++ }
235
236 package C1;
237 our @ISA = qw(C);
238 sub CLONE_SKIP { $c{"C1-$_[0]"}++; 0; }
239 sub DESTROY { $d{"C1-" . ref $_[0]}++ }
240
241 package C2;
242 our @ISA = qw(C1);
243
244 # ---
245
246 package D;
247 sub DESTROY { $d{"D-" . ref $_[0]}++ }
248
249 package D1;
250 our @ISA = qw(D);
251
252 package main;
253
254 {
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255 my @objs;
256 for my $class (qw(A A1 A2 B B1 B2 C C1 C2 D D1)) {
257 push @objs, bless [], $class;
258 }
259
260 sub f {
261 my $depth = shift;
262 my $cloned = ""; # XXX due to recursion, doesn't get initialized
263 $cloned .= "$_" =~ /ARRAY/ ? '1' : '0' for @objs;
264 is($cloned, ($depth ? '00010001111' : '11111111111'),
265 "objs clone skip at depth $depth");
266 threads->create( \&f, $depth+1)->join if $depth < 2;
267 @objs = ();
268 }
269 f(0);
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270 }
271
272 curr_test(curr_test()+2);
273 ok(eq_hash(\%c,
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274 {
275 qw(
276 A-A 2
277 A1-A1 2
278 A1-A2 2
279 B-B 2
280 B1-B1 2
281 B1-B2 2
282 C-C 2
283 C1-C1 2
284 C1-C2 2
285 )
286 }),
287 "counts of calls to CLONE_SKIP");
9660f481 288 ok(eq_hash(\%d,
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289 {
290 qw(
291 A-A 1
292 A1-A1 1
293 A1-A2 1
294 B-B 3
295 B1-B1 1
296 B1-B2 1
297 C-C 1
298 C1-C1 3
299 C1-C2 3
300 D-D 3
301 D-D1 3
302 )
303 }),
304 "counts of calls to DESTROY");
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305
306} else {
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307 print("ok 29 # Skip objs clone skip at depth 0\n");
308 print("ok 30 # Skip objs clone skip at depth 1\n");
309 print("ok 31 # Skip objs clone skip at depth 2\n");
310 print("ok 32 # Skip counts of calls to CLONE_SKIP\n");
311 print("ok 33 # Skip counts of calls to DESTROY\n");
9660f481 312}
38875929 313
0f1612a7 314# EOF