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1 | #!/usr/bin/perl |
2 | |
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3 | use lib qw(. ..); |
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4 | use Memoize 0.45 qw(memoize unmemoize); |
5 | use Fcntl; |
6 | # use Memoize::NDBM_File; |
7 | # $Memoize::NDBM_File::Verbose = 0; |
8 | |
9 | sub i { |
10 | $_[0]; |
11 | } |
12 | |
13 | sub c119 { 119 } |
14 | sub c7 { 7 } |
15 | sub c43 { 43 } |
16 | sub c23 { 23 } |
17 | sub c5 { 5 } |
18 | |
19 | sub n { |
20 | $_[0]+1; |
21 | } |
22 | |
23 | eval {require Memoize::NDBM_File}; |
24 | if ($@) { |
25 | print "1..0\n"; |
26 | exit 0; |
27 | } |
28 | |
29 | print "1..4\n"; |
30 | |
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31 | $file = "md$$"; |
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32 | 1 while unlink $file, "$file.dir", "$file.pag"; |
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33 | tryout('Memoize::NDBM_File', $file, 1); # Test 1..4 |
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34 | 1 while unlink $file, "$file.dir", "$file.pag"; |
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35 | |
36 | sub tryout { |
37 | my ($tiepack, $file, $testno) = @_; |
38 | |
39 | |
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40 | tie my %cache => $tiepack, $file, O_RDWR | O_CREAT, 0666 |
41 | or die $!; |
42 | |
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43 | memoize 'c5', |
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44 | SCALAR_CACHE => [HASH => \%cache], |
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45 | LIST_CACHE => 'FAULT' |
46 | ; |
47 | |
48 | my $t1 = c5(); |
49 | my $t2 = c5(); |
50 | print (($t1 == 5) ? "ok $testno\n" : "not ok $testno\n"); |
51 | $testno++; |
52 | print (($t2 == 5) ? "ok $testno\n" : "not ok $testno\n"); |
53 | unmemoize 'c5'; |
54 | |
55 | # Now something tricky---we'll memoize c23 with the wrong table that |
56 | # has the 5 already cached. |
57 | memoize 'c23', |
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58 | SCALAR_CACHE => [HASH => \%cache], |
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59 | LIST_CACHE => 'FAULT' |
60 | ; |
61 | |
62 | my $t3 = c23(); |
63 | my $t4 = c23(); |
64 | $testno++; |
65 | print (($t3 == 5) ? "ok $testno\n" : "not ok $testno\n"); |
66 | $testno++; |
67 | print (($t4 == 5) ? "ok $testno\n" : "not ok $testno\n"); |
68 | unmemoize 'c23'; |
69 | } |
70 | |