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|
#============================================================= -*-perl-*-
#
# t/gdgraph3d.t
#
# Test the GD::Graph::*3d plugins. The GD::Graph3d module doesn't
# come with any tests, so we simply verify that each graph type
# produces a PNG output file, but we don't verify the contents.
#
# Written by Craig Barratt <craig@arraycomm.com>
#
# This is free software; you can redistribute it and/or modify it
# under the same terms as Perl itself.
#
# $Id: gdgraph3d.t,v 2.4 2002/08/12 11:07:15 abw Exp $
#
#========================================================================
use strict;
use lib qw( ../lib );
use Template;
use Template::Test;
$^W = 1;
eval "use GD; use GD::Graph; use GD::Graph::bars3d;";
if ( $@ || $GD::VERSION < 1.20 ) {
skip_all('GD module(s) not installed');
}
test_expect(\*DATA, { FILTERS => {
head2hex => [\&head2hex_filter_factory, 1],
}
});
#
# Grab just the first $len bytes of the input, and optionally convert
# to a hex string if $hex is set
#
sub head2hex_filter_factory
{
my($context, $len, $hex) = @_;
return sub {
my $text = shift;
return $text if length $text < $len;
$text = substr($text, 0, $len);
$text =~ s/(.)/sprintf("%02x", ord($1))/eg if ( $hex );
return $text;
}
}
__END__
-- test --
[%
data = [
["1st","2nd","3rd","4th","5th","6th","7th", "8th", "9th"],
[ 1, 2, 5, 6, 3, 1.5, 1, 3, 4],
];
USE my_graph = GD::Graph::bars3d();
r = my_graph.set(
x_label => 'X Label',
y_label => 'Y label',
title => 'A 3d Bar Chart',
y_max_value => 8,
y_tick_number => 8,
y_label_skip => 2,
# shadows
bar_spacing => 8,
shadow_depth => 4,
shadowclr => 'dred',
transparent => 0,
);
my_graph.plot(data).png | head2hex(4, 1);
%]
-- expect --
89504e47
-- test --
[%
data = [
["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug",
"Sep", "Oct", "Nov", "Dec", ],
[-5, -4, -3, -3, -1, 0, 2, 1, 3, 4, 6, 7],
[4, 3, 5, 6, 3,1.5, -1, -3, -4, -6, -7, -8],
[1, 2, 2, 3, 4, 3, 1, -1, 0, 2, 3, 2],
];
USE my_graph = GD::Graph::lines3d();
r = my_graph.set(
x_label => 'Month',
y_label => 'Measure of success',
title => 'A 3d Line Graph',
y_max_value => 8,
y_min_value => -8,
y_tick_number => 16,
y_label_skip => 2,
box_axis => 0,
line_width => 3,
zero_axis_only => 1,
x_label_position => 1,
y_label_position => 1,
x_label_skip => 3,
x_tick_offset => 2,
transparent => 0,
);
r = my_graph.set_legend("Us", "Them", "Others");
my_graph.plot(data).png | head2hex(4, 1);
%]
-- expect --
89504e47
-- test --
[%
data = [
["1st","2nd","3rd","4th","5th","6th"],
[ 4, 2, 3, 4, 3, 3.5]
];
USE my_graph = GD::Graph::pie( 250, 200 );
r = my_graph.set(
title => 'A Pie Chart',
label => 'Label',
axislabelclr => 'black',
pie_height => 36,
transparent => 0,
);
my_graph.plot(data).png | head2hex(4, 1);
%]
-- expect --
89504e47
|
