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1 | #!/usr/bin/perl |
2 | |
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3 | BEGIN { |
4 | chdir 't' if -d 't'; |
5 | @INC = '../lib'; |
6 | } |
7 | #use lib qw(. ..); |
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8 | use Memoize 0.45 qw(memoize unmemoize); |
9 | use Fcntl; |
10 | # use Memoize::NDBM_File; |
11 | # $Memoize::NDBM_File::Verbose = 0; |
12 | |
13 | sub i { |
14 | $_[0]; |
15 | } |
16 | |
17 | sub c119 { 119 } |
18 | sub c7 { 7 } |
19 | sub c43 { 43 } |
20 | sub c23 { 23 } |
21 | sub c5 { 5 } |
22 | |
23 | sub n { |
24 | $_[0]+1; |
25 | } |
26 | |
27 | eval {require Memoize::NDBM_File}; |
28 | if ($@) { |
29 | print "1..0\n"; |
30 | exit 0; |
31 | } |
32 | |
33 | print "1..4\n"; |
34 | |
35 | |
36 | if (eval {require File::Spec::Functions}) { |
37 | File::Spec::Functions->import(); |
38 | } else { |
39 | *catfile = sub { join '/', @_ }; |
40 | } |
41 | $tmpdir = $ENV{TMP} || $ENV{TMPDIR} || '/tmp'; |
42 | $file = catfile($tmpdir, "md$$"); |
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43 | 1 while unlink $file, "$file.dir", "$file.pag"; |
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44 | tryout('Memoize::NDBM_File', $file, 1); # Test 1..4 |
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45 | 1 while unlink $file, "$file.dir", "$file.pag"; |
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46 | |
47 | sub tryout { |
48 | my ($tiepack, $file, $testno) = @_; |
49 | |
50 | |
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51 | tie my %cache => $tiepack, $file, O_RDWR | O_CREAT, 0666 |
52 | or die $!; |
53 | |
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54 | memoize 'c5', |
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55 | SCALAR_CACHE => [HASH => \%cache], |
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56 | LIST_CACHE => 'FAULT' |
57 | ; |
58 | |
59 | my $t1 = c5(); |
60 | my $t2 = c5(); |
61 | print (($t1 == 5) ? "ok $testno\n" : "not ok $testno\n"); |
62 | $testno++; |
63 | print (($t2 == 5) ? "ok $testno\n" : "not ok $testno\n"); |
64 | unmemoize 'c5'; |
65 | |
66 | # Now something tricky---we'll memoize c23 with the wrong table that |
67 | # has the 5 already cached. |
68 | memoize 'c23', |
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69 | SCALAR_CACHE => [HASH => \%cache], |
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70 | LIST_CACHE => 'FAULT' |
71 | ; |
72 | |
73 | my $t3 = c23(); |
74 | my $t4 = c23(); |
75 | $testno++; |
76 | print (($t3 == 5) ? "ok $testno\n" : "not ok $testno\n"); |
77 | $testno++; |
78 | print (($t4 == 5) ? "ok $testno\n" : "not ok $testno\n"); |
79 | unmemoize 'c23'; |
80 | } |
81 | |