#!/usr/bin/perl -w
# Copyright 2010, 2011, 2012, 2013, 2014, 2015 Kevin Ryde
# This file is part of Math-PlanePath.
#
# Math-PlanePath is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the Free
# Software Foundation; either version 3, or (at your option) any later
# version.
#
# Math-PlanePath is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
# for more details.
#
# You should have received a copy of the GNU General Public License along
# with Math-PlanePath. If not, see <http://www.gnu.org/licenses/>.
use 5.004;
use strict;
use Test;
plan tests => 23;
use lib 't';
use MyTestHelpers;
BEGIN { MyTestHelpers::nowarnings(); }
require Math::PlanePath::HexSpiralSkewed;
#------------------------------------------------------------------------------
# VERSION
{
my $want_version = 119;
ok ($Math::PlanePath::HexSpiralSkewed::VERSION, $want_version,
'VERSION variable');
ok (Math::PlanePath::HexSpiralSkewed->VERSION, $want_version,
'VERSION class method');
ok (eval { Math::PlanePath::HexSpiralSkewed->VERSION($want_version); 1 },
1,
"VERSION class check $want_version");
my $check_version = $want_version + 1000;
ok (! eval { Math::PlanePath::HexSpiralSkewed->VERSION($check_version); 1 },
1,
"VERSION class check $check_version");
my $path = Math::PlanePath::HexSpiralSkewed->new;
ok ($path->VERSION, $want_version, 'VERSION object method');
ok (eval { $path->VERSION($want_version); 1 },
1,
"VERSION object check $want_version");
ok (! eval { $path->VERSION($check_version); 1 },
1,
"VERSION object check $check_version");
}
#------------------------------------------------------------------------------
# n_start, x_negative, y_negative
{
my $path = Math::PlanePath::HexSpiralSkewed->new;
ok ($path->n_start, 1, 'n_start()');
ok ($path->x_negative, 1, 'x_negative()');
ok ($path->y_negative, 1, 'y_negative()');
my @pnames = map {$_->{'name'}} $path->parameter_info_list;
ok (join(',',@pnames), 'wider,n_start');
}
#------------------------------------------------------------------------------
# xy_to_n
{
my @data = ([1, 0,0 ],
[1.25, .25,0 ],
[1.5, .5,0 ],
[1.75, .75,0 ],
);
my $path = Math::PlanePath::HexSpiralSkewed->new;
foreach my $elem (@data) {
my ($n, $want_x, $want_y) = @$elem;
my ($got_x, $got_y) = $path->n_to_xy ($n);
ok ($got_x == $want_x, 1, "x at n=$n");
ok ($got_y == $want_y, 1, "y at n=$n");
}
foreach my $elem (@data) {
my ($want_n, $x, $y) = @$elem;
$want_n = int ($want_n + 0.5);
my $got_n = $path->xy_to_n ($x, $y);
ok ($got_n == $want_n, 1, "n at x=$x,y=$y");
}
}
exit 0;