source: trunk/test/matrix.cpp @ 696

Last change on this file since 696 was 686, checked in by sam, 11 years ago

Put everything in the "lol" namespace. Better late than never.

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File size: 3.2 KB
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1//
2// Lol Engine
3//
4// Copyright: (c) 2010-2011 Sam Hocevar <sam@hocevar.net>
5//   This program is free software; you can redistribute it and/or
6//   modify it under the terms of the Do What The Fuck You Want To
7//   Public License, Version 2, as published by Sam Hocevar. See
8//   http://sam.zoy.org/projects/COPYING.WTFPL for more details.
9//
10
11#if defined HAVE_CONFIG_H
12#   include "config.h"
13#endif
14
15#include <cppunit/extensions/HelperMacros.h>
16#include <cppunit/TestCaller.h>
17#include <cppunit/TestCase.h>
18#include <cppunit/TestSuite.h>
19
20#include "core.h"
21
22namespace lol
23{
24
25class MatrixTest : public CppUnit::TestCase
26{
27    CPPUNIT_TEST_SUITE(MatrixTest);
28    CPPUNIT_TEST(test_mat_det);
29    CPPUNIT_TEST(test_mat_mul);
30    CPPUNIT_TEST(test_mat_inv);
31    CPPUNIT_TEST_SUITE_END();
32
33public:
34    MatrixTest() : CppUnit::TestCase("Matrix Test") {}
35
36    void setUp()
37    {
38        identity = mat4(1.0f);
39        triangular = mat4(vec4(1.0f, 0.0f, 0.0f, 0.0f),
40                          vec4(7.0f, 2.0f, 0.0f, 0.0f),
41                          vec4(1.0f, 5.0f, 3.0f, 0.0f),
42                          vec4(8.0f, 9.0f, 2.0f, 4.0f));
43        invertible = mat4(vec4( 1.0f,  1.0f,  2.0f, -1.0f),
44                          vec4(-2.0f, -1.0f, -2.0f,  2.0f),
45                          vec4( 4.0f,  2.0f,  5.0f, -4.0f),
46                          vec4( 5.0f, -3.0f, -7.0f, -6.0f));
47    }
48
49    void tearDown() {}
50
51    void test_mat_det()
52    {
53        float d1 = triangular.det();
54        CPPUNIT_ASSERT(d1 == 24.0f);
55        float d2 = invertible.det();
56        CPPUNIT_ASSERT(d2 == -1.0f);
57    }
58
59    void test_mat_mul()
60    {
61        mat4 m0 = identity;
62        mat4 m1 = identity;
63        mat4 m2 = m0 * m1;
64
65        CPPUNIT_ASSERT(m2[0][0] == 1.0f);
66        CPPUNIT_ASSERT(m2[1][0] == 0.0f);
67        CPPUNIT_ASSERT(m2[2][0] == 0.0f);
68        CPPUNIT_ASSERT(m2[3][0] == 0.0f);
69
70        CPPUNIT_ASSERT(m2[0][1] == 0.0f);
71        CPPUNIT_ASSERT(m2[1][1] == 1.0f);
72        CPPUNIT_ASSERT(m2[2][1] == 0.0f);
73        CPPUNIT_ASSERT(m2[3][1] == 0.0f);
74
75        CPPUNIT_ASSERT(m2[0][2] == 0.0f);
76        CPPUNIT_ASSERT(m2[1][2] == 0.0f);
77        CPPUNIT_ASSERT(m2[2][2] == 1.0f);
78        CPPUNIT_ASSERT(m2[3][2] == 0.0f);
79
80        CPPUNIT_ASSERT(m2[0][3] == 0.0f);
81        CPPUNIT_ASSERT(m2[1][3] == 0.0f);
82        CPPUNIT_ASSERT(m2[2][3] == 0.0f);
83        CPPUNIT_ASSERT(m2[3][3] == 1.0f);
84    }
85
86    void test_mat_inv()
87    {
88        mat4 m0 = invertible;
89        mat4 m1 = m0.invert();
90
91        mat4 m2 = m0 * m1;
92
93        CPPUNIT_ASSERT(m2[0][0] == 1.0f);
94        CPPUNIT_ASSERT(m2[1][0] == 0.0f);
95        CPPUNIT_ASSERT(m2[2][0] == 0.0f);
96        CPPUNIT_ASSERT(m2[3][0] == 0.0f);
97
98        CPPUNIT_ASSERT(m2[0][1] == 0.0f);
99        CPPUNIT_ASSERT(m2[1][1] == 1.0f);
100        CPPUNIT_ASSERT(m2[2][1] == 0.0f);
101        CPPUNIT_ASSERT(m2[3][1] == 0.0f);
102
103        CPPUNIT_ASSERT(m2[0][2] == 0.0f);
104        CPPUNIT_ASSERT(m2[1][2] == 0.0f);
105        CPPUNIT_ASSERT(m2[2][2] == 1.0f);
106        CPPUNIT_ASSERT(m2[3][2] == 0.0f);
107
108        CPPUNIT_ASSERT(m2[0][3] == 0.0f);
109        CPPUNIT_ASSERT(m2[1][3] == 0.0f);
110        CPPUNIT_ASSERT(m2[2][3] == 0.0f);
111        CPPUNIT_ASSERT(m2[3][3] == 1.0f);
112    }
113
114private:
115    mat4 triangular, identity, invertible;
116};
117
118CPPUNIT_TEST_SUITE_REGISTRATION(MatrixTest);
119
120} /* namespace lol */
121
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