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#!/usr/bin/perl -w
# Copyright 2012, 2013, 2014 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 => 31;
use lib 't';
use MyTestHelpers;
BEGIN { MyTestHelpers::nowarnings(); }
require Math::PlanePath::AnvilSpiral;
#------------------------------------------------------------------------------
# VERSION
{
my $want_version = 117;
ok ($Math::PlanePath::AnvilSpiral::VERSION, $want_version,
'VERSION variable');
ok (Math::PlanePath::AnvilSpiral->VERSION, $want_version,
'VERSION class method');
ok (eval { Math::PlanePath::AnvilSpiral->VERSION($want_version); 1 },
1,
"VERSION class check $want_version");
my $check_version = $want_version + 1000;
ok (! eval { Math::PlanePath::AnvilSpiral->VERSION($check_version); 1 },
1,
"VERSION class check $check_version");
my $path = Math::PlanePath::AnvilSpiral->new;
ok ($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 $path = Math::PlanePath::AnvilSpiral->new;
ok ($path->n_start, 1, 'n_start()');
ok ($path->x_negative, 1, 'x_negative() instance method');
ok ($path->y_negative, 1, 'y_negative() instance method');
ok ($path->class_x_negative, 1, 'class_x_negative()');
ok ($path->class_y_negative, 1, 'class_y_negative()');
}
{
my @pnames = map {$_->{'name'}}
Math::PlanePath::AnvilSpiral->parameter_info_list;
ok (join(',',@pnames), 'wider,n_start');
}
#------------------------------------------------------------------------------
foreach my $n_start (undef, 0, -37) {
foreach my $wider (0, 1, 2, 3, 9, 17) {
my $path = Math::PlanePath::AnvilSpiral->new (n_start => $n_start,
wider => $wider);
my $bad_count = 0;
my %seen_xy;
foreach my $n ($path->n_start .. 500) {
my ($x, $y) = $path->n_to_xy ($n);
if ($seen_xy{"$x,$y"}++) {
MyTestHelpers::diag ("wider=$wider n_to_xy($n) duplicate xy $x,$y");
last if ++$bad_count > 10;
}
my $rev_n = $path->xy_to_n ($x, $y);
if ($rev_n != $n) {
MyTestHelpers::diag ("wider=$wider xy_to_n($x,$y) got $rev_n want $n");
last if ++$bad_count > 10;
}
{
my ($n_lo, $n_hi) = $path->rect_to_n_range ($x,$y, 0,0);
if ($n_lo > $n || $n_hi < $n) {
MyTestHelpers::diag ("wider=$wider rect_to_n_range($x,$y,0,0) got $n_lo,$n_hi but n=$n");
last if ++$bad_count > 10;
}
}
{
my ($n_lo, $n_hi) = $path->rect_to_n_range ($x,$y, $x,$y);
if ($n_lo > $n || $n_hi < $n) {
MyTestHelpers::diag ("wider=$wider rect_to_n_range($x,$y) got $n_lo,$n_hi but n=$n");
last if ++$bad_count > 10;
}
}
}
ok ($bad_count, 0);
}
}
exit 0;
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