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#!/usr/bin/perl -w
use strict;
use Test::More (tests => 3);
BEGIN {use Chart::Gnuplot;}
my $temp = "temp.ps";
# Test default setting of gridlines
{
my $c = Chart::Gnuplot->new(
output => $temp,
grid => 'on',
);
$c->_setChart();
ok(&diff($c->{_script}, "grid_1.gp") == 0);
}
# Test formatting the gridlines
{
my $c = Chart::Gnuplot->new(
output => $temp,
grid => {
xlines => "on, on",
ylines => "on, off",
linetyle => "longdash, dot-longdash",
width => "2,1",
},
);
$c->_setChart();
ok(&diff($c->{_script}, "grid_2.gp") == 0);
}
# Test setting major and minor gridlines
{
my $c = Chart::Gnuplot->new(
output => $temp,
grid => {
xlines => "on",
ylines => "on",
linetyle => "longdash",
width => "2",
},
minorgrid => {
xlines => "on",
ylines => "off",
linetyle => "dot-longdash",
width => "1",
},
);
$c->_setChart();
ok(&diff($c->{_script}, "grid_3.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);
}
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