#!/usr/bin/perl -w
use strict;
use Test::More tests => 5;
use File::StatCache qw( stat );
sub touch($)
{
   my ( $path ) = @_;
   local *F;
   open( F, ">", $path ) or die "Cannot open '$path' in append mode - $!";
   print F "Content\n";
   close( F );
}
# Short cache timeout to ensure quicker testing run
$File::StatCache::STATTIMEOUT = 1;
my $touchfile = "./test-file-statcache.touch";
END {
   unlink( $touchfile );
}
if( -f $touchfile ) {
   warn "Testing file $touchfile already exists";
}
touch( $touchfile );
my @touchfilestats = CORE::stat( $touchfile );
my $now = time();
my @stats = stat( $touchfile );
is_deeply( \@stats, \@touchfilestats, "Initial stat() call" );
@stats = stat( $touchfile );
is_deeply( \@stats, \@touchfilestats, "Soon cached stat() call" );
my $wait = $File::StatCache::STATTIMEOUT + 1;
sleep( $wait );
@stats = stat( $touchfile );
is_deeply( \@stats, \@touchfilestats, "Later cached stat() call" );
unlink( $touchfile );
# We hope the cache doesn't time out yet - we want a cache hit
@stats = stat( $touchfile );
is_deeply( \@stats, \@touchfilestats, "Cache hit after unlink()" );
sleep( $wait );
@stats = stat( $touchfile );
is( scalar @stats, 0, "Later stat() call after unlink()" );