1#!/usr/bin/perl 2 3use lib qw(. ..); 4use Memoize 0.52 qw(memoize unmemoize); 5use Fcntl; 6eval {require Memoize::AnyDBM_File}; 7if ($@) { 8 print "1..0\n"; 9 exit 0; 10} 11 12 13 14print "1..4\n"; 15 16sub i { 17 $_[0]; 18} 19 20$ARG = 'Keith Bostic is a pinhead'; 21 22sub c119 { 119 } 23sub c7 { 7 } 24sub c43 { 43 } 25sub c23 { 23 } 26sub c5 { 5 } 27 28sub n { 29 $_[0]+1; 30} 31 32$file = "md$$"; 33@files = ($file, "$file.db", "$file.dir", "$file.pag"); 341 while unlink @files; 35 36 37tryout('Memoize::AnyDBM_File', $file, 1); # Test 1..4 38# tryout('DB_File', $file, 1); # Test 1..4 391 while unlink $file, "$file.dir", "$file.pag"; 40 41sub tryout { 42 my ($tiepack, $file, $testno) = @_; 43 44 tie my %cache => $tiepack, $file, O_RDWR | O_CREAT, 0666 45 or die $!; 46 47 memoize 'c5', 48 SCALAR_CACHE => [HASH => \%cache], 49 LIST_CACHE => 'FAULT' 50 ; 51 52 my $t1 = c5($ARG); 53 my $t2 = c5($ARG); 54 print (($t1 == 5) ? "ok $testno\n" : "not ok $testno\n"); 55 $testno++; 56 print (($t2 == 5) ? "ok $testno\n" : "not ok $testno\n"); 57 unmemoize 'c5'; 58 59 # Now something tricky---we'll memoize c23 with the wrong table that 60 # has the 5 already cached. 61 memoize 'c23', 62 SCALAR_CACHE => ['HASH', \%cache], 63 LIST_CACHE => 'FAULT' 64 ; 65 66 my $t3 = c23($ARG); 67 my $t4 = c23($ARG); 68 $testno++; 69 print (($t3 == 5) ? "ok $testno\n" : "not ok $testno # Result $t3\n"); 70 $testno++; 71 print (($t4 == 5) ? "ok $testno\n" : "not ok $testno # Result $t4\n"); 72 unmemoize 'c23'; 73} 74 75{ 76 my @present = grep -e, @files; 77 if (@present && (@failed = grep { not unlink } @present)) { 78 warn "Can't unlink @failed! ($!)"; 79 } 80} 81