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annotate test/automated/rect/rect.c @ 5218:b1b0811a1ccc

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merged
author Eric Wing <ewing . public |-at-| gmail . com>
date Sun, 06 Feb 2011 21:23:32 -0800
parents 0c429a5fda8a
children
rev   line source
3541
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
Sam Lantinga <slouken@libsdl.org>
parents:
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1 /**
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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2 * Automated SDL rect test.
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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3 *
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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4 * Written by Edgar Simo "bobbens"
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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5 *
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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6 * Released under Public Domain.
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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7 */
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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8
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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9
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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10
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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11
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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12 #include "SDL_rect.h"
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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13 #include "../SDL_at.h"
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14
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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15
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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16 /*
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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17 * Prototypes.
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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18 */
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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19 static void rect_testIntersectRectAndLine (void);
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20
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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21
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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22 /**
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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23 * @brief Tests SDL_IntersectRectAndLine()
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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24 */
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25 static void rect_testIntersectRectAndLine (void)
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26 {
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27 SDL_Rect rect = { 0, 0, 32, 32 };
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28 int x1, y1;
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29 int x2, y2;
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30 SDL_bool clipped;
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31
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32 SDL_ATbegin( "IntersectRectAndLine" );
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33
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34 x1 = -10;
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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35 y1 = 0;
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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36 x2 = -10;
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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37 y2 = 31;
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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38 clipped = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
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39 SDL_ATvassert( !clipped &&
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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40 x1 == -10 && y1 == 0 && x2 == -10 && y2 == 31,
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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41 "line outside to the left was incorrectly clipped: %d,%d - %d,%d",
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42 x1, y1, x2, y2);
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43
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44 x1 = 40;
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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45 y1 = 0;
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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46 x2 = 40;
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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47 y2 = 31;
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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48 clipped = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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49 SDL_ATvassert( !clipped &&
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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50 x1 == 40 && y1 == 0 && x2 == 40 && y2 == 31,
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51 "line outside to the right was incorrectly clipped: %d,%d - %d,%d",
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52 x1, y1, x2, y2);
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53
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54 x1 = 0;
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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55 y1 = -10;
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56 x2 = 31;
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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57 y2 = -10;
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58 clipped = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
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59 SDL_ATvassert( !clipped &&
0c429a5fda8a Added an automated test for rectangle routines, currently only testing line clipping.
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60 x1 == 0 && y1 == -10 && x2 == 31 && y2 == -10,
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61 "line outside above was incorrectly clipped: %d,%d - %d,%d",
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62 x1, y1, x2, y2);
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63
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64 x1 = 0;
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65 y1 = 40;
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66 x2 = 31;
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67 y2 = 40;
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68 clipped = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
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69 SDL_ATvassert( !clipped &&
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70 x1 == 0 && y1 == 40 && x2 == 31 && y2 == 40,
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71 "line outside below was incorrectly clipped: %d,%d - %d,%d",
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72 x1, y1, x2, y2);
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73
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74 x1 = 0;
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75 y1 = 0;
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76 x2 = 31;
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77 y2 = 31;
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78 clipped = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
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79 SDL_ATvassert( clipped &&
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80 x1 == 0 && y1 == 0 && x2 == 31 && y2 == 31,
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81 "line fully inside rect was clipped: %d,%d - %d,%d",
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82 x1, y1, x2, y2);
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83
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84 x1 = -10;
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85 y1 = 15;
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86 x2 = 40;
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87 y2 = 15;
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88 clipped = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
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89 SDL_ATvassert( clipped &&
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90 x1 == 0 && y1 == 15 && x2 == 31 && y2 == 15,
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91 "horizontal line rect was incorrectly clipped: %d,%d - %d,%d",
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92 x1, y1, x2, y2);
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93
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94 x1 = -32;
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95 y1 = -32;
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96 x2 = 63;
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97 y2 = 63;
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98 clipped = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
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99 SDL_ATvassert( clipped &&
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100 x1 == 0 && y1 == 0 && x2 == 31 && y2 == 31,
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101 "diagonal line to lower right was incorrectly clipped: %d,%d - %d,%d",
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102 x1, y1, x2, y2);
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103
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104 x1 = 63;
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105 y1 = 63;
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106 x2 = -32;
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107 y2 = -32;
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108 clipped = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
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109 SDL_ATvassert( clipped &&
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110 x1 == 31 && y1 == 31 && x2 == 0 && y2 == 0,
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111 "diagonal line to upper left was incorrectly clipped: %d,%d - %d,%d",
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112 x1, y1, x2, y2);
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113
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114 x1 = 63;
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115 y1 = -32;
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116 x2 = -32;
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117 y2 = 63;
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118 clipped = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
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119 SDL_ATvassert( clipped &&
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120 x1 == 31 && y1 == 0 && x2 == 0 && y2 == 31,
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121 "diagonal line to lower left was incorrectly clipped: %d,%d - %d,%d",
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122 x1, y1, x2, y2);
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123
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124 x1 = -32;
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125 y1 = 63;
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126 x2 = 63;
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127 y2 = -32;
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128 clipped = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
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129 SDL_ATvassert( clipped &&
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130 x1 == 0 && y1 == 31 && x2 == 31 && y2 == 0,
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131 "diagonal line to upper right was incorrectly clipped: %d,%d - %d,%d",
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132 x1, y1, x2, y2);
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133
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134 SDL_ATend();
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135 }
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136
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137
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138 /**
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139 * @brief Rect test entrypoint.
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140 */
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141 #ifdef TEST_STANDALONE
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142 int main( int argc, const char *argv[] )
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143 {
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144 (void) argc;
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145 (void) argv;
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146 #else /* TEST_STANDALONE */
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147 int test_rect (void)
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148 {
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149 #endif /* TEST_STANDALONE */
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150
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151 SDL_ATinit( "Rect" );
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152
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153 rect_testIntersectRectAndLine();
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154
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155 return SDL_ATfinish();
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156 }