The Perl and Raku Conference 2025: Greenville, South Carolina - June 27-29 Learn more

#!/usr/bin/perl -w
use strict;
use Test::More (tests => 2);
BEGIN {use Chart::Gnuplot;}
my $temp = "temp.ps";
# Test default setting of the time stamp
{
my $c = Chart::Gnuplot->new(
output => $temp,
timestamp => '',
);
$c->_setChart();
ok(&diff($c->{_script}, "timestamp_1.gp") == 0);
}
# Test formatting time stamp
{
my $c = Chart::Gnuplot->new(
output => $temp,
timestamp => {
fmt => '%b %d %H:%M',
font => 'Helvetica, 20',
offset => '5,-1',
},
);
$c->_setChart();
ok(&diff($c->{_script}, "timestamp_2.gp") == 0);
}
###################################################################
# Compare two files
# - return 0 if two files are the same, except the ordering of the lines
# - return 1 otherwise
sub diff
{
my ($f1, $f2) = @_;
$f2 = "t/".$f2 if (!-e $f2);
open(F1, $f1) || return(1);
open(F2, $f2) || return(1);
my @c1 = <F1>;
my @c2 = <F2>;
close(F1);
close(F2);
return(0) if (join("", sort @c1) eq join("", sort @c2));
return(1);
}