3 # This file is part of Language::Befunge::Vector::XS.
4 # Copyright (c) 2008 Jerome Quelin, all rights reserved.
6 # This program is free software; you can redistribute it and/or modify
7 # it under the same terms as Perl itself.
12 # Language::Befunge::Vector::XS tests
13 # taken from Language::Befunge::Vector
20 use Test::More tests => 151;
22 use Language::Befunge::Vector::XS;
25 # check prereq for test
26 eval "use Test::Exception";
27 my $has_test_exception = defined($Test::Exception::VERSION);
30 my ($v1, $v2, $v3, $v4, @coords);
31 my $v2d = Language::Befunge::Vector::XS->new(3,4);
32 my $v3d = Language::Befunge::Vector::XS->new(5,6,7);
38 $v1 = Language::Befunge::Vector::XS->new(7,8,9);
39 isa_ok($v1, "Language::Befunge::Vector::XS");
40 is($v1->get_dims, 3, "three dimensions");
41 is($v1->get_component(0), 7, "X is correct");
42 is($v1->get_component(1), 8, "Y is correct");
43 is($v1->get_component(2), 9, "Z is correct");
44 is($v1->as_string, '(7,8,9)', "stringifies back to (7,8,9)");
45 is("$v1", '(7,8,9)', "overloaded stringify back to (7,8,9)");
47 skip "need Test::Exception", 1 unless $has_test_exception;
48 throws_ok(sub { Language::Befunge::Vector::XS->new() },
49 qr/Usage/, "LBV::XS->new needs a defined 'dimensions' argument");
54 $v1 = Language::Befunge::Vector::XS->new_zeroes(4);
55 isa_ok($v1, "Language::Befunge::Vector::XS");
56 is($v1->get_dims, 4, "four dimensions");
57 is($v1->get_component(0), 0, "X is correct");
58 is($v1->get_component(1), 0, "Y is correct");
59 is($v1->get_component(2), 0, "Z is correct");
60 is($v1->get_component(3), 0, "T is correct");
61 is("$v1", '(0,0,0,0)', "all values are 0");
63 skip "need Test::Exception", 2 unless $has_test_exception;
64 throws_ok(sub { Language::Befunge::Vector::XS->new_zeroes() },
65 qr/Usage/, "LBV::XS->new_zeroes needs a defined 'dimensions' argument");
66 throws_ok(sub { Language::Befunge::Vector::XS->new_zeroes(0) },
67 qr/Usage/, "LBV::XS->new_zeroes needs a non-zero 'dimensions' argument");
72 $v1 = Language::Befunge::Vector::XS->new(2,3,4,5);
73 $v4 = Language::Befunge::Vector::XS->new(6,7,8,9);
76 is("$v1", "$v2", "v1 has been copied");
78 is("$v1", "(8,10,12,14)", "v1 has had v4 added");
79 is("$v2", "(2,3,4,5)", "v2 hasn't changed");
80 is("$v3", "(2,3,4,5)", "v3 hasn't changed");
88 # get_dims() has already been tested above...
92 # regular behaviour is tested all over this script.
93 $v1 = Language::Befunge::Vector::XS->new(2,3);
95 skip "need Test::Exception", 2 unless $has_test_exception;
96 throws_ok(sub { $v2d->get_component(-1) },
97 qr/No such dimension/, "get_component() checks min dimension");
98 throws_ok(sub { $v1->get_component(2) },
99 qr/No such dimension/, "get_component() checks max dimension");
103 # get_all_components()
104 $v1 = Language::Befunge::Vector::XS->new(2,3,4,5);
105 my @list = $v1->get_all_components;
106 is(scalar @list, 4, "get_all_components() returned 4 elements");
107 is($list[0], 2, "X is 2");
108 is($list[1], 3, "Y is 3");
109 is($list[2], 4, "Z is 4");
110 is($list[3], 5, "T is 5");
113 # as_string() is already tested above.
119 $v1 = Language::Befunge::Vector::XS->new(2,3,4,5);
121 is("$v1", '(0,0,0,0)', "clear() sets all values are 0");
122 is($v1->get_component(0), 0, "X is now 0");
123 is($v1->get_component(1), 0, "Y is now 0");
124 is($v1->get_component(2), 0, "Z is now 0");
125 is($v1->get_component(3), 0, "T is now 0");
129 $v1 = Language::Befunge::Vector::XS->new(2,3,4,5);
130 $v1->set_component(0,9);
131 $v1->set_component(1,6);
132 is($v1->as_string, "(9,6,4,5)", "set_component() works");
133 is($v1->get_component(0), 9, "X is now 9");
134 is($v1->get_component(1), 6, "Y is now 6");
135 is($v1->get_component(2), 4, "Z is still 4");
136 is($v1->get_component(3), 5, "T is still 5");
138 skip "need Test::Exception", 2 unless $has_test_exception;
139 throws_ok(sub { $v1->set_component(-1, 0) },
140 qr/No such dimension/, "set_component() checks min dimension");
141 throws_ok(sub { $v1->set_component(4, 0) },
142 qr/No such dimension/, "set_component() checks max dimension");
149 $v1 = Language::Befunge::Vector::XS->new(-1, -1);
150 $v2 = Language::Befunge::Vector::XS->new( 2, 2);
151 @coords = ( [1,1], [-1,1], [1,-1], [-1,-1], [2,1], [1,2], [2,2] );
152 foreach my $coords ( @coords ) {
153 $v3 = Language::Befunge::Vector::XS->new(@$coords);
154 ok($v3->bounds_check($v1, $v2), "$v3 is within bounds");
156 @coords = ( [3,3], [3,1], [1,3], [-2,1], [1,-2], [-2,-2] );
157 foreach my $coords ( @coords ) {
158 $v3 = Language::Befunge::Vector::XS->new(@$coords);
159 ok(!$v3->bounds_check($v1, $v2), "$v3 is within bounds");
162 skip "need Test::Exception", 3 unless $has_test_exception;
163 throws_ok(sub { $v3d->bounds_check($v1, $v2) },
164 qr/uneven dimensions/, "bounds_check() catches wrong dimension in first arg");
165 throws_ok(sub { $v1->bounds_check($v3d, $v2) },
166 qr/uneven dimensions/, "bounds_check() catches wrong dimension in second arg");
167 throws_ok(sub { $v1->bounds_check($v2, $v3d) },
168 qr/uneven dimensions/, "bounds_check() catches wrong dimension in third arg");
173 $v1 = Language::Befunge::Vector::XS->new(-1, -1, -1);
174 $v2 = Language::Befunge::Vector::XS->new(1, 1, 1);
176 [-1, -1, -1], [ 0, -1, -1], [ 1, -1, -1],
177 [-1, 0, -1], [ 0, 0, -1], [ 1, 0, -1],
178 [-1, 1, -1], [ 0, 1, -1], [ 1, 1, -1],
179 [-1, -1, 0], [ 0, -1, 0], [ 1, -1, 0],
180 [-1, 0, 0], [ 0, 0, 0], [ 1, 0, 0],
181 [-1, 1, 0], [ 0, 1, 0], [ 1, 1, 0],
182 [-1, -1, 1], [ 0, -1, 1], [ 1, -1, 1],
183 [-1, 0, 1], [ 0, 0, 1], [ 1, 0, 1],
184 [-1, 1, 1], [ 0, 1, 1], [ 1, 1, 1]);
185 for($v3 = $v1->copy(); scalar @expectations; $v3 = $v3->rasterize($v1, $v2)) {
186 my $expect = shift @expectations;
187 $expect = Language::Befunge::Vector::XS->new(@$expect);
188 is($v3, $expect, "next one is $expect");
189 is(ref($v3), "Language::Befunge::Vector::XS", "retval is also a LBVXS");
191 is($v3, undef, "rasterize returns undef at end of loop");
197 $v1 = Language::Befunge::Vector::XS->new(4,5,6);
198 $v2 = Language::Befunge::Vector::XS->new(1,2,3);
200 is("$v1", '(4,5,6)', "addition doesn't change v1");
201 is("$v2", '(1,2,3)', "addition doesn't change v2");
202 isa_ok($v3, "Language::Befunge::Vector::XS");
203 is("$v3", '(5,7,9)', "v3 is v1 plus v2");
205 skip "need Test::Exception", 1 unless $has_test_exception;
206 throws_ok(sub { my $blah = $v2d + $v3d },
207 qr/uneven dimensions/, "misaligned vector arithmetic (+)");
212 $v1 = Language::Befunge::Vector::XS->new(4,5,6);
213 $v2 = Language::Befunge::Vector::XS->new(3,2,1);
215 is("$v1", '(4,5,6)', "substraction doesn't change v1");
216 is("$v2", '(3,2,1)', "substraction doesn't change v2");
217 isa_ok($v3, "Language::Befunge::Vector::XS");
218 is("$v3", '(1,3,5)', "v3 is v1 minus v2");
220 skip "need Test::Exception", 1 unless $has_test_exception;
221 throws_ok(sub { my $blah = $v2d - $v3d },
222 qr/uneven dimensions/, "misaligned vector arithmetic (-)");
227 $v1 = Language::Befunge::Vector::XS->new(4,5,6);
229 is("$v1", '(4,5,6)', "inversion doesn't change v1");
230 is("$v2", '(-4,-5,-6)', "inversion doesn't change v2");
236 $v1 = Language::Befunge::Vector::XS->new(4,5,6);
237 $v2 = Language::Befunge::Vector::XS->new(1,2,3);
239 is("$v1", "(5,7,9)", "inplace addition changes v1");
240 is("$v2", "(1,2,3)", "inplace addition doesn't change v2");
242 skip "need Test::Exception", 1 unless $has_test_exception;
243 throws_ok(sub { $v2d += $v3d },
244 qr/uneven dimensions/, "misaligned vector arithmetic (+=)");
248 # inplace substraction
249 $v1 = Language::Befunge::Vector::XS->new(4,5,6);
250 $v2 = Language::Befunge::Vector::XS->new(3,2,1);
252 is("$v1", "(1,3,5)", "inplace substraction changes v1");
253 is("$v2", "(3,2,1)", "inplace substraction doesn't change v2");
255 skip "need Test::Exception", 1 unless $has_test_exception;
256 throws_ok(sub { $v2d -= $v3d },
257 qr/uneven dimensions/, "misaligned vector arithmetic (-=)");
264 $v1 = Language::Befunge::Vector::XS->new(1,2,3);
265 $v2 = Language::Befunge::Vector::XS->new(1,2,3);
266 ok($v1 == $v1, "v1 == v1");
267 ok($v1 == $v2, "v1 == v2");
268 ok($v2 == $v1, "v2 == v1");
269 @coords = ( [0,2,3], [1,0,3], [1,2,0] );
270 foreach my $coords ( @coords ) {
271 $v3 = Language::Befunge::Vector::XS->new(@$coords);
272 ok(!($v1 == $v3), "!(v1 == $v3)");
273 ok(!($v2 == $v3), "!(v2 == $v3)");
276 skip "need Test::Exception", 1 unless $has_test_exception;
277 throws_ok(sub { $v2d == $v3d },
278 qr/uneven dimensions/, "misaligned vector arithmetic (==)");
283 $v1 = Language::Befunge::Vector::XS->new(1,2,3);
284 $v2 = Language::Befunge::Vector::XS->new(1,2,3);
285 ok(!($v1 != $v1), "!(v1 != v1)");
286 ok(!($v1 != $v2), "!(v1 != v2)");
287 ok(!($v2 != $v1), "!(v2 != v1)");
288 @coords = ( [0,2,3], [1,0,3], [1,2,0] );
289 foreach my $coords ( @coords ) {
290 $v3 = Language::Befunge::Vector::XS->new(@$coords);
291 ok($v1 != $v3, "v1 != $v3)");
292 ok($v2 != $v3, "v2 != $v3)");
295 skip "need Test::Exception", 1 unless $has_test_exception;
296 throws_ok(sub { $v2d != $v3d },
297 qr/uneven dimensions/, "misaligned vector arithmetic (!=)");
302 my $ptr = Language::Befunge::Vector::XS::_xs_rasterize_ptr();
303 ok(defined($ptr), "rasterize pointer is defined");
304 is(length($ptr), $Config{ptrsize}, "rasterize pointer is the right size");