Slic3r/xs/t/10_line.t

68 lines
1.8 KiB
Perl

#!/usr/bin/perl
use strict;
use warnings;
use Slic3r::XS;
use Test::More tests => 34;
use constant PI => 4 * atan2(1, 1);
use constant EPSILON => 1E-4;
my $points = [
[100, 100],
[200, 100],
];
my $line = Slic3r::Line->new(@$points);
is_deeply $line->pp, $points, 'line roundtrip';
is ref($line->arrayref), 'ARRAY', 'line arrayref is unblessed';
isa_ok $line->[0], 'Slic3r::Point::Ref', 'line point is blessed';
{
my $clone = $line->clone;
$clone->reverse;
is_deeply $clone->pp, [ reverse @$points ], 'reverse';
}
{
my $line2 = Slic3r::Line->new($line->a->clone, $line->b->clone);
is_deeply $line2->pp, $points, 'line roundtrip with cloned points';
}
{
my $clone = $line->clone;
$clone->translate(10, -5);
is_deeply $clone->pp, [
[110, 95],
[210, 95],
], 'translate';
}
foreach my $base_angle (0, PI/4, PI/2, PI) {
my $line = Slic3r::Line->new([0,0], [100,0]);
$line->rotate($base_angle, [0,0]);
ok $line->parallel_to_line($line->clone), 'line is parallel to self';
ok $line->parallel_to($line->direction), 'line is parallel to its direction';
ok $line->parallel_to($line->direction + PI), 'line is parallel to its direction + PI';
ok $line->parallel_to($line->direction - PI), 'line is parallel to its direction - PI';
{
my $line2 = $line->clone;
$line2->reverse;
ok $line->parallel_to_line($line2), 'line is parallel to its opposite';
}
{
my $line2 = $line->clone;
$line2->rotate(+(EPSILON)/2, [0,0]);
ok $line->parallel_to_line($line2), 'line is parallel within epsilon';
}
{
my $line2 = $line->clone;
$line2->rotate(-(EPSILON)/2, [0,0]);
ok $line->parallel_to_line($line2), 'line is parallel within epsilon';
}
}
__END__