#!/usr/local/bin/perl -w

# $Id: test.pl,v 10.1 1998/08/14 20:17:38 timbo Exp $
#
# Copyright (c) 1994-1998 Tim Bunce
#
# See COPYRIGHT section in DBI.pm for usage and distribution rights.


# This is now mostly an empty shell I experiment with.
# The real tests have moved to t/*.t
# See t/*.t for more detailed tests.


BEGIN {
    print "$0 @ARGV\n";
    print q{DBI test application $Revision: 10.1 $}."\n";
    $| = 1;
    eval "require blib;"	# wasn't in 5.003, hence the eval
}

use DBI;

use DBI::DBD;	# simple test to make sure it's okay

use Config;
use Getopt::Long;
use strict;

$::opt_d = 0;
$::opt_h = 0;
$::opt_m = 0;		# basic memory leak test: "perl test.pl -m NullP"

GetOptions('d=i', 'h=i', 'l=s', 'm')
    or die "Usage: $0 [-d n] [-h n] [-m] [drivername]\n";

print "opt_d=$::opt_d\n" if $::opt_d;
print "opt_h=$::opt_h\n" if $::opt_h;
print "opt_m=$::opt_m\n" if $::opt_m;

my $count = 0;
my $ps = (-d '/proc') ? "ps -lp " : "ps -l";
my $driver = $ARGV[0] || ($::opt_m ? 'NullP' : 'ExampleP');

# Now ask for some information from the DBI Switch
my $switch = DBI->internal;
$switch->debug($::opt_h); # 2=detailed handle trace

print "Switch: $switch->{'Attribution'}, $switch->{'Version'}\n";

$switch->{DebugDispatch} = $::opt_d if $::opt_d;
$switch->{DebugLog}      = $::opt_l if $::opt_l;

print "Available Drivers: ",join(", ",DBI->available_drivers(1)),"\n";


my $dbh = DBI->connect('', '', '', $driver);
$dbh->debug($::opt_h);

if (0) {	# only works after 5.004_04
    my $h = DBI->connect('dbi:NullP:');
	$h->trace(3);
	{
		warn "RaiseError= '$h->{RaiseError}' (pre local)\n";
		local($h->{RaiseError}) = 1;
		warn "RaiseError= '$h->{RaiseError}' (post local)\n";
	}
	warn "RaiseError= '$h->{RaiseError}' (post local block)\n";
}

if ($::opt_m) {

    mem_test($dbh) while 1;

} else {

    # new experimental connect_test_perf method
    DBI->connect_test_perf("dbi:$driver:", '', '', {
	dbi_loops=>5, dbi_par=>20, dbi_verb=>1
    });

    require Benchmark;
    print "Testing handle creation speed...\n";
    my $null_dbh = DBI->connect('dbi:NullP:');
    my $null_sth = $null_dbh->prepare('');	# create one to warm up
    $count = 5000;
    my $i = $count;
    my $t1 = new Benchmark;
    $null_dbh->prepare('') while $i--;
    my $td = Benchmark::timediff(Benchmark->new, $t1);
    my $tds= Benchmark::timestr($td);
    my $dur = $td->cpu_a;
    printf "$count NullP statement handles cycled in %.1f cpu+sys seconds (%d per sec)\n\n",
	    $dur, $count / $dur;

}

#DBI->trace(4);
print "$0 done\n";
exit 0;


sub mem_test {	# harness to help find basic leaks
    my($dbh) = @_;
	system("echo $count; $ps$$") if (($count++ % 1000) == 0);
    my $cursor_a = $dbh->prepare("select mode,ino,name from ?");
    $cursor_a->execute('/usr');
    my @row_a = $cursor_a->fetchrow;
    $cursor_a->finish;
}

# end.