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|
#!perl -T
use strict;
use warnings;
sub skipall {
my ($msg) = @_;
require Test::More;
Test::More::plan(skip_all => $msg);
}
use Config qw<%Config>;
BEGIN {
my $force = $ENV{PERL_AUTOVIVIFICATION_TEST_THREADS} ? 1 : !1;
skipall 'This perl wasn\'t built to support threads'
unless $Config{useithreads};
skipall 'perl 5.13.4 required to test thread safety'
unless $force or "$]" >= 5.013004;
}
use threads;
use Test::More;
BEGIN {
require autovivification;
skipall 'This autovivification isn\'t thread safe'
unless autovivification::A_THREADSAFE();
}
my ($threads, $runs);
BEGIN {
$threads = 10;
$runs = 2;
}
BEGIN {
plan tests => $threads * $runs * 3 * (1 + 2);
defined and diag "Using threads $_" for $threads::VERSION;
}
{
no autovivification;
sub try {
my $tid = threads->tid();
for my $run (1 .. $runs) {
{
my $x;
my $y = $x->{foo};
is $x, undef, "fetch does not autovivify at thread $tid run $run";
}
{
my $x;
my $y = exists $x->{foo};
is $x, undef, "exists does not autovivify at thread $tid run $run";
}
{
my $x;
my $y = delete $x->{foo};
is $x, undef, "delete does not autovivify at thread $tid run $run";
}
SKIP:
{
skip 'Hints aren\'t propagated into eval STRING below perl 5.10' => 3 * 2
unless "$]" >= 5.010;
{
my $x;
eval 'my $y = $x->{foo}';
is $@, '', "fetch in eval does not croak at thread $tid run $run";
is $x, undef, "fetch in eval does not autovivify at thread $tid run $run";
}
{
my $x;
eval 'my $y = exists $x->{foo}';
is $@, '', "exists in eval does not croak at thread $tid run $run";
is $x, undef, "exists in eval does not autovivify at thread $tid run $run";
}
{
my $x;
eval 'my $y = delete $x->{foo}';
is $@, '', "delete in eval does not croak at thread $tid run $run";
is $x, undef, "delete in eval does not autovivify at thread $tid run $run";
}
}
}
}
}
my @t = map threads->create(\&try), 1 .. $threads;
$_->join for @t;
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