xref: /openbsd-src/gnu/usr.bin/perl/cpan/Memoize/t/tie_gdbm.t (revision 5a38ef86d0b61900239c7913d24a05e7b88a58f0)
1#!/usr/bin/perl
2
3use lib qw(. ..);
4use Memoize 0.45 qw(memoize unmemoize);
5use Fcntl;
6
7sub i {
8  $_[0];
9}
10
11sub c119 { 119 }
12sub c7 { 7 }
13sub c43 { 43 }
14sub c23 { 23 }
15sub c5 { 5 }
16
17sub n {
18  $_[0]+1;
19}
20
21eval {require GDBM_File};
22if ($@) {
23  print "1..0\n";
24  exit 0;
25}
26
27print "1..4\n";
28
29$file = "md$$";
301 while unlink $file, "$file.dir", "$file.pag";
31tryout('GDBM_File', $file, 1);  # Test 1..4
321 while unlink $file, "$file.dir", "$file.pag";
33
34sub tryout {
35  require GDBM_File;
36  my ($tiepack, $file, $testno) = @_;
37
38  tie my %cache => $tiepack, $file, O_RDWR | O_CREAT, 0666
39    or die $!;
40
41  memoize 'c5',
42  SCALAR_CACHE => [HASH => \%cache],
43  LIST_CACHE => 'FAULT'
44    ;
45
46  my $t1 = c5();
47  my $t2 = c5();
48  print (($t1 == 5) ? "ok $testno\n" : "not ok $testno\n");
49  $testno++;
50  print (($t2 == 5) ? "ok $testno\n" : "not ok $testno\n");
51  unmemoize 'c5';
52
53  # Now something tricky---we'll memoize c23 with the wrong table that
54  # has the 5 already cached.
55  memoize 'c23',
56  SCALAR_CACHE => [HASH => \%cache],
57  LIST_CACHE => 'FAULT'
58    ;
59
60  my $t3 = c23();
61  my $t4 = c23();
62  $testno++;
63  print (($t3 == 5) ? "ok $testno\n" : "not ok $testno\n");
64  $testno++;
65  print (($t4 == 5) ? "ok $testno\n" : "not ok $testno\n");
66  unmemoize 'c23';
67}
68
69