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#!/usr/local/bin/perl -w
###########################################################################
# File - test.pl
# Created 12 Feb, 2000, Brent B. Powers
#
# Purpose - test for Memoize::ExpireLRU
#
# ToDo - Test when tied to other module
#
#
###########################################################################
use strict;
use Memoize;
my $n = 0;
use vars qw($dbg);
$dbg = 0;
$| = 1;
print "1..46\n";
use Memoize::ExpireLRU;
++$n;
print "ok $n\n";
my %CALLS = ();
sub routine ( $ ) {
return shift;
}
sub routine3 ( $ ) {
return shift;
}
my($flag) = 1; ## 1 gives routine2 as a list, 0 as a scalar
sub routine2 ( $ ) {
if ($flag) {
my($z) = shift;
return (1, $z);
} else {
return shift;
}
}
sub show ( $ ) {
print "not " unless shift;
++$n;
print "ok $n\n";
}
memoize('routine',
SCALAR_CACHE => ['TIE',
'Memoize::ExpireLRU',
CACHESIZE => 4,
TUNECACHESIZE => 6,
INSTANCE => 'routine',
],
LIST_CACHE => 'FAULT');
if ($flag) {
memoize('routine2',
LIST_CACHE => ['TIE',
'Memoize::ExpireLRU',
CACHESIZE => 1,
TUNECACHESIZE => 5,
INSTANCE => 'routine2',
],
SCALAR_CACHE => 'FAULT',);
} else {
memoize('routine2',
SCALAR_CACHE => ['TIE',
'Memoize::ExpireLRU',
CACHESIZE => 1,
TUNECACHESIZE => 5,
INSTANCE => 'routine2',
],
LIST_CACHE => 'FAULT');
}
memoize('routine3',
SCALAR_CACHE => ['TIE',
'Memoize::ExpireLRU',
CACHESIZE => 4,
INSTANCE => 'routine3',
],
LIST_CACHE => 'FAULT');
$Memoize::ExpireLRU::DEBUG = 1;
$Memoize::ExpireLRU::DEBUG = 0;
show(1);
# 3--6
## Fill the cache
for (0..3) {
show(routine($_) == $_);
$CALLS{$_} = $_;
}
# 7--10
## Ensure that the return values were correct
for (keys %CALLS) {
show($CALLS{$_} == (0,1,2,3)[$_]);
}
# 11--14
## Check returns from the cache
for (0..3) {
show(routine($_) == $_);
}
# 15--18
## Make sure we can get each one of the array
foreach (0,2,0,0) {
show(routine($_) == $_);
}
## Make sure we can get each one of the aray, where the timestamps are
## different
my($i);
for (0..3) {
# sleep(1);
$i = routine($_);
}
# 19
show(1);
# 20-23
for (0,2,0,0) {
show(routine($_) == $_);
}
## Check getting a new one
## Force the order
for (3,2,1,0) {
$i = routine($_);
}
# 24--25
## Push off the last one, and ensure that the
## one we pushed off is really pushed off
for (4, 3) {
show(routine($_) == $_);
}
# 26--30
## Play with the second function
## First, fill it
my(@a);
for (5,4,3,2,1,0) {
if ($flag) {
show((routine2($_))[1] == $_);
} else {
show($_ == routine2($_));
}
}
## Now, hit each of them, in order
# 31 -- 35
## Force at least one cache hit
if ($flag) {
@a = routine2(0);
} else {
routine2(0);
}
for (1..4) {
if ($flag) {
show((routine2($_))[1] == $_);
} else {
show($_ == routine2($_));
}
}
## 36-44
for (0,1,2,3,4,5,5,4,3) {
show($_ == routine3($_));
}
my($q) = <<EOT;
routine2:
Cache Keys:
'4'
Test Cache Keys:
'3'
'2'
'1'
'0'
EOT
# 45
show($q eq Memoize::ExpireLRU::DumpCache('routine2'));
$q = <<EOT;
ExpireLRU Statistics:
ExpireLRU instantiation: routine
Cache Size: 4
Experimental Cache Size: 6
Cache Hits: 20
Cache Misses: 6
Additional Cache Hits at Experimental Size: 1
Distribution : Hits
0 : 3
1 : 2
2 : 5
3 : 10
---- -----
4 : 1
5 : 0
ExpireLRU instantiation: routine2
Cache Size: 1
Experimental Cache Size: 5
Cache Hits: 1
Cache Misses: 10
Additional Cache Hits at Experimental Size: 4
Distribution : Hits
0 : 1
---- -----
1 : 1
2 : 1
3 : 1
4 : 1
EOT
# 46
show($q eq Memoize::ExpireLRU::ShowStats);
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