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|
use warnings;
use strict;
BEGIN {
eval { require threads; };
if($@ =~ /\AThis Perl not built to support threads/) {
require Test::More;
Test::More::plan(skip_all => "non-threading perl build");
}
if($@ ne "") {
require Test::More;
Test::More::plan(skip_all => "threads unavailable");
}
if("$]" < 5.008003) {
require Test::More;
Test::More::plan(skip_all =>
"threading breaks PL_sv_placeholder on this Perl");
}
if("$]" < 5.008009) {
require Test::More;
Test::More::plan(skip_all =>
"threading corrupts memory on this Perl");
}
if("$]" >= 5.009005 && "$]" < 5.010001) {
require Test::More;
Test::More::plan(skip_all =>
"threading breaks assertions on this Perl");
}
eval { require Thread::Semaphore; };
if($@ ne "") {
require Test::More;
Test::More::plan(skip_all => "Thread::Semaphore unavailable");
}
eval { require threads::shared; };
if($@ ne "") {
require Test::More;
Test::More::plan(skip_all => "threads::shared unavailable");
}
}
use threads;
use Test::More tests => 12;
use Thread::Semaphore ();
use threads::shared;
alarm 10; # failure mode may involve an infinite loop
my(@exit_sems, @threads);
sub test_in_thread($) {
my($test_code) = @_;
my $done_sem = Thread::Semaphore->new(0);
my $exit_sem = Thread::Semaphore->new(0);
push @exit_sems, $exit_sem;
my $ok :shared;
push @threads, threads->create(sub {
$ok = !!$test_code->();
$done_sem->up;
$exit_sem->down;
});
$done_sem->down;
ok $ok;
}
BEGIN { unshift @INC, "./t/lib"; }
our $onset_test;
my $onset_unfixed;
$^H |= 0x20000 if "$]" < 5.009004;
$^H{"Lexical::SealRequireHints/test"} = 1;
$onset_test = "";
eval q{ require "t/onset.pl"; 1 } or die $@;
delete $INC{"t/onset.pl"};
$onset_unfixed = $onset_test;
test_in_thread(sub {
$onset_test = "";
eval q{ require "t/onset.pl"; 1 } or die $@;
delete $INC{"t/onset.pl"};
return $onset_test eq $onset_unfixed;
});
test_in_thread(sub {
require Lexical::SealRequireHints;
Lexical::SealRequireHints->import;
$onset_test = "";
eval q{ require "t/onset.pl"; 1 } or die $@;
delete $INC{"t/onset.pl"};
return $onset_test eq "undef";
});
$onset_test = "";
eval q{ require "t/onset.pl"; 1 } or die $@;
delete $INC{"t/onset.pl"};
is $onset_test, $onset_unfixed;
test_in_thread(sub {
$onset_test = "";
eval q{ require "t/onset.pl"; 1 } or die $@;
delete $INC{"t/onset.pl"};
return $onset_test eq $onset_unfixed;
});
test_in_thread(sub {
require Lexical::SealRequireHints;
$onset_test = "";
eval q{ require "t/onset.pl"; 1 } or die $@;
delete $INC{"t/onset.pl"};
return $onset_test eq $onset_unfixed;
});
test_in_thread(sub {
eval(q{
use Lexical::SealRequireHints;
require t::context_1;
1;
})
});
require Lexical::SealRequireHints;
$onset_test = "";
eval q{ require "t/onset.pl"; 1 } or die $@;
delete $INC{"t/onset.pl"};
is $onset_test, $onset_unfixed;
test_in_thread(sub {
$onset_test = "";
eval q{ require "t/onset.pl"; 1 } or die $@;
delete $INC{"t/onset.pl"};
return $onset_test eq $onset_unfixed;
});
test_in_thread(sub {
Lexical::SealRequireHints->import;
$onset_test = "";
eval q{ require "t/onset.pl"; 1 } or die $@;
delete $INC{"t/onset.pl"};
return $onset_test eq "undef";
});
Lexical::SealRequireHints->import;
$onset_test = "";
eval q{ require "t/onset.pl"; 1 } or die $@;
delete $INC{"t/onset.pl"};
is $onset_test, "undef";
test_in_thread(sub {
$onset_test = "";
eval q{ require "t/onset.pl"; 1 } or die $@;
delete $INC{"t/onset.pl"};
return $onset_test eq "undef";
});
$_->up foreach @exit_sems;
$_->join foreach @threads;
ok 1;
1;
|
