1 | // |
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2 | // Lol Engine |
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3 | // |
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4 | // Copyright: (c) 2010-2012 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 "core.h" |
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16 | #include "lol/unit.h" |
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17 | |
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18 | namespace lol |
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19 | { |
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20 | |
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21 | LOLUNIT_FIXTURE(VectorTest) |
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22 | { |
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23 | void SetUp() |
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24 | { |
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25 | identity = mat4(1.0f); |
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26 | triangular = mat4(vec4(1.0f, 0.0f, 0.0f, 0.0f), |
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27 | vec4(7.0f, 2.0f, 0.0f, 0.0f), |
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28 | vec4(1.0f, 5.0f, 3.0f, 0.0f), |
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29 | vec4(8.0f, 9.0f, 2.0f, 4.0f)); |
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30 | invertible = mat4(vec4( 1.0f, 1.0f, 2.0f, -1.0f), |
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31 | vec4(-2.0f, -1.0f, -2.0f, 2.0f), |
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32 | vec4( 4.0f, 2.0f, 5.0f, -4.0f), |
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33 | vec4( 5.0f, -3.0f, -7.0f, -6.0f)); |
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34 | } |
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35 | |
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36 | void TearDown() {} |
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37 | |
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38 | LOLUNIT_TEST(VectorEquality) |
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39 | { |
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40 | vec2 a2(1.0f, 2.0f); |
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41 | vec2 b2(0.0f, 2.0f); |
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42 | vec2 c2(1.0f, 0.0f); |
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43 | |
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44 | LOLUNIT_ASSERT_EQUAL(a2, a2); |
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45 | LOLUNIT_ASSERT_NOT_DIFFERENT(a2, a2); |
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46 | |
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47 | LOLUNIT_ASSERT_DIFFERENT(a2, b2); |
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48 | LOLUNIT_ASSERT_NOT_EQUAL(a2, b2); |
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49 | LOLUNIT_ASSERT_DIFFERENT(a2, c2); |
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50 | LOLUNIT_ASSERT_NOT_EQUAL(a2, c2); |
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51 | |
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52 | vec3 a3(1.0f, 2.0f, 3.0f); |
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53 | vec3 b3(0.0f, 2.0f, 3.0f); |
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54 | vec3 c3(1.0f, 0.0f, 3.0f); |
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55 | vec3 d3(1.0f, 2.0f, 0.0f); |
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56 | |
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57 | LOLUNIT_ASSERT_EQUAL(a3, a3); |
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58 | LOLUNIT_ASSERT_NOT_DIFFERENT(a3, a3); |
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59 | |
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60 | LOLUNIT_ASSERT_DIFFERENT(a3, b3); |
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61 | LOLUNIT_ASSERT_NOT_EQUAL(a3, b3); |
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62 | LOLUNIT_ASSERT_DIFFERENT(a3, c3); |
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63 | LOLUNIT_ASSERT_NOT_EQUAL(a3, c3); |
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64 | LOLUNIT_ASSERT_DIFFERENT(a3, d3); |
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65 | LOLUNIT_ASSERT_NOT_EQUAL(a3, d3); |
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66 | |
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67 | vec4 a4(1.0f, 2.0f, 3.0f, 4.0f); |
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68 | vec4 b4(0.0f, 2.0f, 3.0f, 4.0f); |
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69 | vec4 c4(1.0f, 0.0f, 3.0f, 4.0f); |
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70 | vec4 d4(1.0f, 2.0f, 0.0f, 4.0f); |
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71 | vec4 e4(1.0f, 2.0f, 3.0f, 0.0f); |
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72 | |
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73 | LOLUNIT_ASSERT_EQUAL(a4, a4); |
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74 | LOLUNIT_ASSERT_NOT_DIFFERENT(a4, a4); |
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75 | |
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76 | LOLUNIT_ASSERT_DIFFERENT(a4, b4); |
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77 | LOLUNIT_ASSERT_NOT_EQUAL(a4, b4); |
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78 | LOLUNIT_ASSERT_DIFFERENT(a4, c4); |
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79 | LOLUNIT_ASSERT_NOT_EQUAL(a4, c4); |
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80 | LOLUNIT_ASSERT_DIFFERENT(a4, d4); |
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81 | LOLUNIT_ASSERT_NOT_EQUAL(a4, d4); |
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82 | LOLUNIT_ASSERT_DIFFERENT(a4, e4); |
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83 | LOLUNIT_ASSERT_NOT_EQUAL(a4, e4); |
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84 | } |
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85 | |
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86 | LOLUNIT_TEST(VectorInequality) |
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87 | { |
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88 | vec2 a2(1.0f, 3.0f); |
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89 | vec2 b2(0.0f, 0.0f); |
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90 | vec2 c2(1.0f, 1.0f); |
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91 | vec2 d2(2.0f, 2.0f); |
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92 | vec2 e2(3.0f, 3.0f); |
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93 | vec2 f2(4.0f, 4.0f); |
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94 | |
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95 | LOLUNIT_ASSERT_LEQUAL(a2, a2); |
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96 | LOLUNIT_ASSERT_NOT_LESS(a2, a2); |
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97 | |
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98 | LOLUNIT_ASSERT_NOT_LEQUAL(a2, b2); |
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99 | LOLUNIT_ASSERT_NOT_LESS(a2, b2); |
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100 | LOLUNIT_ASSERT_NOT_LEQUAL(a2, c2); |
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101 | LOLUNIT_ASSERT_NOT_LESS(a2, c2); |
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102 | LOLUNIT_ASSERT_NOT_LEQUAL(a2, d2); |
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103 | LOLUNIT_ASSERT_NOT_LESS(a2, d2); |
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104 | LOLUNIT_ASSERT_LEQUAL(a2, e2); |
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105 | LOLUNIT_ASSERT_NOT_LESS(a2, e2); |
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106 | LOLUNIT_ASSERT_LEQUAL(a2, f2); |
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107 | LOLUNIT_ASSERT_LESS(a2, f2); |
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108 | } |
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109 | |
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110 | LOLUNIT_TEST(VectorUnaryMinus) |
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111 | { |
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112 | vec2 a(1.0f, 3.0f); |
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113 | vec2 b(-1.0f, -3.0f); |
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114 | |
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115 | LOLUNIT_ASSERT_EQUAL(a, -b); |
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116 | LOLUNIT_ASSERT_EQUAL(-a, b); |
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117 | } |
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118 | |
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119 | LOLUNIT_TEST(CastVector) |
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120 | { |
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121 | vec2 a1(1.0f, 3.0f); |
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122 | |
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123 | vec3 b(a1, 0.0f); |
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124 | vec2 a2(b.xy); |
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125 | LOLUNIT_ASSERT_EQUAL(b.x, a1.x); |
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126 | LOLUNIT_ASSERT_EQUAL(b.y, a1.y); |
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127 | LOLUNIT_ASSERT_EQUAL(b.z, 0.0f); |
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128 | LOLUNIT_ASSERT_EQUAL(a2, a1); |
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129 | |
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130 | vec4 c(a1, 0.0f, 0.0f); |
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131 | vec2 a3(c.xy); |
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132 | LOLUNIT_ASSERT_EQUAL(c.x, a1.x); |
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133 | LOLUNIT_ASSERT_EQUAL(c.y, a1.y); |
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134 | LOLUNIT_ASSERT_EQUAL(c.z, 0.0f); |
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135 | LOLUNIT_ASSERT_EQUAL(c.w, 0.0f); |
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136 | LOLUNIT_ASSERT_EQUAL(a3, a1); |
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137 | } |
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138 | |
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139 | LOLUNIT_TEST(MatrixDeterminant) |
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140 | { |
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141 | float d1 = triangular.det(); |
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142 | LOLUNIT_ASSERT_EQUAL(d1, 24.0f); |
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143 | float d2 = invertible.det(); |
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144 | LOLUNIT_ASSERT_EQUAL(d2, -1.0f); |
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145 | } |
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146 | |
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147 | LOLUNIT_TEST(MatrixMultiplication) |
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148 | { |
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149 | mat4 m0 = identity; |
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150 | mat4 m1 = identity; |
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151 | mat4 m2 = m0 * m1; |
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152 | |
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153 | LOLUNIT_ASSERT_EQUAL(m2[0][0], 1.0f); |
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154 | LOLUNIT_ASSERT_EQUAL(m2[1][0], 0.0f); |
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155 | LOLUNIT_ASSERT_EQUAL(m2[2][0], 0.0f); |
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156 | LOLUNIT_ASSERT_EQUAL(m2[3][0], 0.0f); |
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157 | |
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158 | LOLUNIT_ASSERT_EQUAL(m2[0][1], 0.0f); |
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159 | LOLUNIT_ASSERT_EQUAL(m2[1][1], 1.0f); |
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160 | LOLUNIT_ASSERT_EQUAL(m2[2][1], 0.0f); |
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161 | LOLUNIT_ASSERT_EQUAL(m2[3][1], 0.0f); |
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162 | |
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163 | LOLUNIT_ASSERT_EQUAL(m2[0][2], 0.0f); |
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164 | LOLUNIT_ASSERT_EQUAL(m2[1][2], 0.0f); |
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165 | LOLUNIT_ASSERT_EQUAL(m2[2][2], 1.0f); |
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166 | LOLUNIT_ASSERT_EQUAL(m2[3][2], 0.0f); |
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167 | |
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168 | LOLUNIT_ASSERT_EQUAL(m2[0][3], 0.0f); |
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169 | LOLUNIT_ASSERT_EQUAL(m2[1][3], 0.0f); |
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170 | LOLUNIT_ASSERT_EQUAL(m2[2][3], 0.0f); |
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171 | LOLUNIT_ASSERT_EQUAL(m2[3][3], 1.0f); |
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172 | } |
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173 | |
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174 | LOLUNIT_TEST(MatrixInverse) |
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175 | { |
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176 | mat4 m0 = invertible; |
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177 | mat4 m1 = m0.invert(); |
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178 | |
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179 | mat4 m2 = m0 * m1; |
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180 | |
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181 | LOLUNIT_ASSERT_EQUAL(m2[0][0], 1.0f); |
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182 | LOLUNIT_ASSERT_EQUAL(m2[1][0], 0.0f); |
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183 | LOLUNIT_ASSERT_EQUAL(m2[2][0], 0.0f); |
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184 | LOLUNIT_ASSERT_EQUAL(m2[3][0], 0.0f); |
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185 | |
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186 | LOLUNIT_ASSERT_EQUAL(m2[0][1], 0.0f); |
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187 | LOLUNIT_ASSERT_EQUAL(m2[1][1], 1.0f); |
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188 | LOLUNIT_ASSERT_EQUAL(m2[2][1], 0.0f); |
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189 | LOLUNIT_ASSERT_EQUAL(m2[3][1], 0.0f); |
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190 | |
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191 | LOLUNIT_ASSERT_EQUAL(m2[0][2], 0.0f); |
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192 | LOLUNIT_ASSERT_EQUAL(m2[1][2], 0.0f); |
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193 | LOLUNIT_ASSERT_EQUAL(m2[2][2], 1.0f); |
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194 | LOLUNIT_ASSERT_EQUAL(m2[3][2], 0.0f); |
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195 | |
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196 | LOLUNIT_ASSERT_EQUAL(m2[0][3], 0.0f); |
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197 | LOLUNIT_ASSERT_EQUAL(m2[1][3], 0.0f); |
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198 | LOLUNIT_ASSERT_EQUAL(m2[2][3], 0.0f); |
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199 | LOLUNIT_ASSERT_EQUAL(m2[3][3], 1.0f); |
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200 | } |
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201 | |
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202 | mat4 triangular, identity, invertible; |
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203 | }; |
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204 | |
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205 | } /* namespace lol */ |
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206 | |
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