PrusaSlicer-NonPlainar/xs/t/06_polygon.t
2013-11-21 16:21:42 +01:00

67 lines
1.9 KiB
Perl

#!/usr/bin/perl
use strict;
use warnings;
use Slic3r::XS;
use Test::More tests => 17;
my $square = [ # ccw
[100, 100],
[200, 100],
[200, 200],
[100, 200],
];
my $polygon = Slic3r::Polygon->new(@$square);
my $cw_polygon = $polygon->clone;
$cw_polygon->reverse;
ok $polygon->is_valid, 'is_valid';
is_deeply $polygon->pp, $square, 'polygon roundtrip';
is ref($polygon->arrayref), 'ARRAY', 'polygon arrayref is unblessed';
isa_ok $polygon->[0], 'Slic3r::Point::Ref', 'polygon point is blessed';
my $lines = $polygon->lines;
is_deeply [ map $_->pp, @$lines ], [
[ [100, 100], [200, 100] ],
[ [200, 100], [200, 200] ],
[ [200, 200], [100, 200] ],
[ [100, 200], [100, 100] ],
], 'polygon lines';
is_deeply $polygon->split_at_first_point->pp, [ @$square[0,1,2,3,0] ], 'split_at_first_point';
is_deeply $polygon->split_at_index(2)->pp, [ @$square[2,3,0,1,2] ], 'split_at_index';
is_deeply $polygon->split_at(Slic3r::Point->new(@{$square->[2]}))->pp, [ @$square[2,3,0,1,2] ], 'split_at';
is $polygon->area, 100*100, 'area';
ok $polygon->is_counter_clockwise, 'is_counter_clockwise';
ok !$cw_polygon->is_counter_clockwise, 'is_counter_clockwise';
{
my $clone = $polygon->clone;
$clone->reverse;
ok !$clone->is_counter_clockwise, 'is_counter_clockwise';
$clone->make_counter_clockwise;
ok $clone->is_counter_clockwise, 'make_counter_clockwise';
$clone->make_counter_clockwise;
ok $clone->is_counter_clockwise, 'make_counter_clockwise';
}
ok ref($polygon->first_point) eq 'Slic3r::Point', 'first_point';
ok $polygon->contains_point(Slic3r::Point->new(150,150)), 'ccw contains_point';
ok $cw_polygon->contains_point(Slic3r::Point->new(150,150)), 'cw contains_point';
# this is not a test: this just demonstrates bad usage, where $polygon->clone gets
# DESTROY'ed before the derived object ($point), causing bad memory access
if (0) {
my $point;
{
$point = $polygon->clone->[0];
}
$point->scale(2);
}
__END__