| #!/usr/bin/perl |
| |
| use lib qw(. ..); |
| use Memoize 0.45 qw(memoize unmemoize); |
| use Fcntl; |
| # use Memoize::SDBM_File; |
| # $Memoize::GDBM_File::Verbose = 0; |
| |
| sub i { |
| $_[0]; |
| } |
| |
| sub c119 { 119 } |
| sub c7 { 7 } |
| sub c43 { 43 } |
| sub c23 { 23 } |
| sub c5 { 5 } |
| |
| sub n { |
| $_[0]+1; |
| } |
| |
| eval {require Memoize::SDBM_File}; |
| if ($@) { |
| print "1..0\n"; |
| exit 0; |
| } |
| |
| print "1..4\n"; |
| |
| $file = "md$$"; |
| 1 while unlink $file, "$file.dir", "$file.pag"; |
| if ( $^O eq 'VMS' ) { |
| 1 while unlink "$file.sdbm_dir"; |
| } |
| tryout('Memoize::SDBM_File', $file, 1); # Test 1..4 |
| 1 while unlink $file, "$file.dir", "$file.pag"; |
| if ( $^O eq 'VMS' ) { |
| 1 while unlink "$file.sdbm_dir"; |
| } |
| |
| sub tryout { |
| my ($tiepack, $file, $testno) = @_; |
| |
| tie my %cache => $tiepack, $file, O_RDWR | O_CREAT, 0666 |
| or die $!; |
| |
| memoize 'c5', |
| SCALAR_CACHE => [HASH => \%cache], |
| LIST_CACHE => 'FAULT' |
| ; |
| |
| my $t1 = c5(); |
| my $t2 = c5(); |
| print (($t1 == 5) ? "ok $testno\n" : "not ok $testno\n"); |
| $testno++; |
| print (($t2 == 5) ? "ok $testno\n" : "not ok $testno\n"); |
| unmemoize 'c5'; |
| |
| # Now something tricky---we'll memoize c23 with the wrong table that |
| # has the 5 already cached. |
| memoize 'c23', |
| SCALAR_CACHE => [HASH => \%cache], |
| LIST_CACHE => 'FAULT' |
| ; |
| |
| my $t3 = c23(); |
| my $t4 = c23(); |
| $testno++; |
| print (($t3 == 5) ? "ok $testno\n" : "not ok $testno\n"); |
| $testno++; |
| print (($t4 == 5) ? "ok $testno\n" : "not ok $testno\n"); |
| unmemoize 'c23'; |
| } |
| |