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#!/usr/bin/perl -w
# Copyright 2011, 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(); }
# uncomment this to run the ### lines
# use Smart::Comments;
require Math::PlanePath::QuadricIslands;
#------------------------------------------------------------------------------
# VERSION
{
my $want_version = 117;
ok ($Math::PlanePath::QuadricIslands::VERSION, $want_version,
'VERSION variable');
ok (Math::PlanePath::QuadricIslands->VERSION, $want_version,
'VERSION class method');
ok (eval { Math::PlanePath::QuadricIslands->VERSION($want_version); 1 },
1,
"VERSION class check $want_version");
my $check_version = $want_version + 1000;
ok (! eval { Math::PlanePath::QuadricIslands->VERSION($check_version); 1 },
1,
"VERSION class check $check_version");
my $path = Math::PlanePath::QuadricIslands->new;
ok ($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 $path = Math::PlanePath::QuadricIslands->new;
ok ($path->n_start, 1, 'n_start()');
ok ($path->x_negative, 1, 'x_negative()');
ok ($path->y_negative, 1, 'y_negative()');
ok ($path->x_minimum, undef, 'x_minimum()');
ok ($path->y_minimum, undef, 'y_minimum()');
}
#------------------------------------------------------------------------------
# level_to_n_range()
{
my $path = Math::PlanePath::QuadricIslands->new;
{ my ($n_lo,$n_hi) = $path->level_to_n_range(0);
ok ($n_lo, 1);
ok ($n_hi, 4); }
{ my ($n_lo,$n_hi) = $path->level_to_n_range(1);
ok ($n_lo, 5);
ok ($n_hi, 36); }
{ my ($n_lo,$n_hi) = $path->level_to_n_range(2);
ok ($n_lo, 37); }
foreach my $level (0 .. 6) {
my ($n_lo,$n_hi) = $path->level_to_n_range($level);
my ($x_lo,$y_lo) = $path->n_to_xy($n_lo);
my ($x_hi,$y_hi) = $path->n_to_xy($n_hi);
my $dx = $x_hi - $x_lo;
my $dy = $y_hi - $y_lo;
ok($dx,0);
ok($dy,1);
}
}
#------------------------------------------------------------------------------
exit 0;
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