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