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use strict; use warnings;
use Memoize;
use lib 't/lib';
my $n = 0;
$|=1;
if ($ENV{PERL_MEMOIZE_TESTS_FAST_ONLY}) {
print "1..0 # Skipped: Slow tests disabled\n";
exit 0;
}
print "1..12\n";
# (1)
++$n; print "ok $n\n";
my $READFILE_CALLS = 0;
my $FILE = './TESTFILE';
sub writefile {
my $FILE = shift;
open F, "> $FILE" or die "Couldn't write temporary file $FILE: $!";
print F scalar(localtime), "\n";
close F;
}
sub readfile {
$READFILE_CALLS++;
my $FILE = shift;
open F, "< $FILE" or die "Couldn't write temporary file $FILE: $!";
my $data = <F>;
close F;
$data;
}
require ExpireFile;
# (2)
++$n; print "ok $n\n";
tie my %cache => 'ExpireFile';
memoize 'readfile',
SCALAR_CACHE => [HASH => \%cache],
LIST_CACHE => 'FAULT'
;
# (3)
++$n; print "ok $n\n";
# (4)
writefile($FILE);
++$n; print "ok $n\n";
sleep 4;
# (5-6)
my $t1 = readfile($FILE);
++$n; print "ok $n\n";
++$n; print ((($READFILE_CALLS == 1) ? '' : 'not '), "ok $n\n");
# (7-9)
my $t2 = readfile($FILE);
++$n; print "ok $n\n";
++$n; print ((($READFILE_CALLS == 1) ? '' : 'not '), "ok $n\n");
++$n; print ((($t1 eq $t2) ? '' : 'not '), "ok $n\n");
# (10-12)
sleep 4;
writefile($FILE);
my $t3 = readfile($FILE);
++$n; print "ok $n\n";
++$n; print ((($READFILE_CALLS == 2) ? '' : 'not '), "ok $n\n");
++$n; print ((($t1 ne $t3) ? '' : 'not '), "ok $n\n");
END { 1 while unlink $FILE || () }
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