1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
|
#!/usr/bin/perl -w
# Copyright 2010, 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 => 35;
use lib 't';
use MyTestHelpers;
BEGIN { MyTestHelpers::nowarnings(); }
require Math::PlanePath::HexSpiral;
#------------------------------------------------------------------------------
# VERSION
{
my $want_version = 117;
ok ($Math::PlanePath::HexSpiral::VERSION, $want_version,
'VERSION variable');
ok (Math::PlanePath::HexSpiral->VERSION, $want_version,
'VERSION class method');
ok (eval { Math::PlanePath::HexSpiral->VERSION($want_version); 1 },
1,
"VERSION class check $want_version");
my $check_version = $want_version + 1000;
ok (! eval { Math::PlanePath::HexSpiral->VERSION($check_version); 1 },
1,
"VERSION class check $check_version");
my $path = Math::PlanePath::HexSpiral->new;
ok ($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 $path = Math::PlanePath::HexSpiral->new;
ok ($path->n_start, 1, 'n_start()');
ok ($path->x_negative, 1, 'x_negative()');
ok ($path->y_negative, 1, 'y_negative()');
}
{
my @pnames = map {$_->{'name'}}
Math::PlanePath::HexSpiral->parameter_info_list;
ok (join(',',@pnames), 'wider,n_start');
}
#------------------------------------------------------------------------------
# n_to_xy
# 28 -- 27 -- 26 -- 25 3
# / \
# 29 13 -- 12 -- 11 24 2
# / / \ \
# 30 14 4 --- 3 10 23 1
# / / / \ \ \
# 31 15 5 1 --- 2 9 22 <- Y=0
# \ \ \ / /
# 32 16 6 --- 7 --- 8 21 -1
# \ \ /
# 33 17 -- 18 -- 19 -- 20 -2
# \
# 34 -- 35 ... -3
#
# ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^
# -6 -5 -4 -3 -2 -1 X=0 1 2 3 4 5 6
{
my @data = ([ 1, 0,0 ],
[ 2, 2,0 ],
[ 3, 1,1 ],
[ 4, -1,1 ],
[ 5, -2,0 ],
[ 6, -1,-1 ],
[ 7, 1,-1 ],
[ 8, 3,-1 ],
);
my $path = Math::PlanePath::HexSpiral->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, $want_x, "x at n=$n");
ok ($got_y, $want_y, "y at n=$n");
}
foreach my $elem (@data) {
my ($want_n, $x, $y) = @$elem;
my $got_n = $path->xy_to_n ($x, $y);
ok ($got_n, $want_n, "n at x=$x,y=$y");
}
}
exit 0;
|
