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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 label
{
my $c = Chart::Gnuplot->new(
output => $temp,
);
$c->label(
text => "Test label",
position => "1, -2",
);
$c->_setChart();
ok(&diff($c->{_script}, "label_1.gp") == 0);
}
# Test formatting label
{
my $c = Chart::Gnuplot->new(
output => $temp,
);
$c->label(
text => "Test label",
position => "1, -2",
offset => "1.5, 0",
pointtype => 5,
pointsize => 3,
pointcolor => 'blue',
);
$c->_setChart();
ok(&diff($c->{_script}, "label_2.gp") == 0);
}
# Test multiple labels
{
my $c = Chart::Gnuplot->new(
output => $temp,
);
# Label 1
$c->label(
text => "Test label 1",
position => "2, -0.3",
offset => "1.5, 0",
pointtype => 5,
pointsize => 3,
pointcolor => 'blue',
);
# Label 2
$c->label(
text => "Test label 2",
position => "-2, 0.3",
pointtype => 'square',
pointsize => 2,
);
$c->_setChart();
ok(&diff($c->{_script}, "label_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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