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annotate test/testplatform.c @ 4639:f5cd4b6231ba

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Added Test Directory. Touch input works in touchSimp for wacom bamboo fun on Ubuntu linux. Not yet integrated into library. Should support other touch devices and other linux distros, but not tested on anything else.
author Jim Grandpre <jim.tla@gmail.com>
date Mon, 24 May 2010 23:44:24 -0400
parents 8e5186a99af4
children 87f452305db4
rev   line source
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1
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2 #include <stdio.h>
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3
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4 #include "SDL.h"
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5 #include "SDL_endian.h"
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6 #include "SDL_cpuinfo.h"
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7 #include "SDL_assert.h"
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8
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9 /*
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10 * Watcom C flags these as Warning 201: "Unreachable code" if you just
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11 * compare them directly, so we push it through a function to keep the
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12 * compiler quiet. --ryan.
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13 */
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14 static int
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15 badsize(size_t sizeoftype, size_t hardcodetype)
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16 {
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17 return sizeoftype != hardcodetype;
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18 }
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19
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20 int
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21 TestTypes(SDL_bool verbose)
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22 {
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23 int error = 0;
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24
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25 if (badsize(sizeof(Uint8), 1)) {
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26 if (verbose)
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27 printf("sizeof(Uint8) != 1, instead = %u\n",
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28 (unsigned int)sizeof(Uint8));
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29 ++error;
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30 }
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31 if (badsize(sizeof(Uint16), 2)) {
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32 if (verbose)
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33 printf("sizeof(Uint16) != 2, instead = %u\n",
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34 (unsigned int)sizeof(Uint16));
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35 ++error;
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36 }
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37 if (badsize(sizeof(Uint32), 4)) {
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38 if (verbose)
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39 printf("sizeof(Uint32) != 4, instead = %u\n",
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40 (unsigned int)sizeof(Uint32));
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41 ++error;
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42 }
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43 #ifdef SDL_HAS_64BIT_TYPE
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44 if (badsize(sizeof(Uint64), 8)) {
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45 if (verbose)
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46 printf("sizeof(Uint64) != 8, instead = %u\n",
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47 (unsigned int)sizeof(Uint64));
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48 ++error;
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49 }
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50 #else
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51 if (verbose) {
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52 printf("WARNING: No 64-bit datatype on this platform\n");
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53 }
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54 #endif
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55 if (verbose && !error)
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56 printf("All data types are the expected size.\n");
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57
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58 return (error ? 1 : 0);
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59 }
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60
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61 int
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62 TestEndian(SDL_bool verbose)
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63 {
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64 int error = 0;
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65 Uint16 value = 0x1234;
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66 int real_byteorder;
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67 Uint16 value16 = 0xCDAB;
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68 Uint16 swapped16 = 0xABCD;
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69 Uint32 value32 = 0xEFBEADDE;
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70 Uint32 swapped32 = 0xDEADBEEF;
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71 #ifdef SDL_HAS_64BIT_TYPE
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72 Uint64 value64, swapped64;
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73 value64 = 0xEFBEADDE;
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74 value64 <<= 32;
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75 value64 |= 0xCDAB3412;
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76 swapped64 = 0x1234ABCD;
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77 swapped64 <<= 32;
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78 swapped64 |= 0xDEADBEEF;
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79 #endif
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80
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81 if (verbose) {
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82 printf("Detected a %s endian machine.\n",
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83 (SDL_BYTEORDER == SDL_LIL_ENDIAN) ? "little" : "big");
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84 }
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85 if ((*((char *) &value) >> 4) == 0x1) {
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86 real_byteorder = SDL_BIG_ENDIAN;
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87 } else {
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88 real_byteorder = SDL_LIL_ENDIAN;
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89 }
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90 if (real_byteorder != SDL_BYTEORDER) {
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91 if (verbose) {
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92 printf("Actually a %s endian machine!\n",
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93 (real_byteorder == SDL_LIL_ENDIAN) ? "little" : "big");
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94 }
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95 ++error;
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96 }
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97 if (verbose) {
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98 printf("Value 16 = 0x%X, swapped = 0x%X\n", value16,
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99 SDL_Swap16(value16));
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100 }
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101 if (SDL_Swap16(value16) != swapped16) {
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102 if (verbose) {
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103 printf("16 bit value swapped incorrectly!\n");
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104 }
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105 ++error;
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106 }
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107 if (verbose) {
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108 printf("Value 32 = 0x%X, swapped = 0x%X\n", value32,
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109 SDL_Swap32(value32));
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110 }
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111 if (SDL_Swap32(value32) != swapped32) {
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112 if (verbose) {
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113 printf("32 bit value swapped incorrectly!\n");
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114 }
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115 ++error;
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116 }
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117 #ifdef SDL_HAS_64BIT_TYPE
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118 if (verbose) {
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119 #ifdef _MSC_VER
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120 printf("Value 64 = 0x%I64X, swapped = 0x%I64X\n", value64,
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121 SDL_Swap64(value64));
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122 #else
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123 printf("Value 64 = 0x%llX, swapped = 0x%llX\n", value64,
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124 SDL_Swap64(value64));
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125 #endif
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126 }
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127 if (SDL_Swap64(value64) != swapped64) {
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128 if (verbose) {
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129 printf("64 bit value swapped incorrectly!\n");
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130 }
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131 ++error;
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132 }
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133 #endif
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134 return (error ? 1 : 0);
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135 }
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136
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137
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138 int
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139 TestCPUInfo(SDL_bool verbose)
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140 {
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141 if (verbose) {
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142 printf("CPU count: %d\n", SDL_GetCPUCount());
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143 printf("RDTSC %s\n", SDL_HasRDTSC()? "detected" : "not detected");
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144 printf("MMX %s\n", SDL_HasMMX()? "detected" : "not detected");
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145 printf("MMX Ext %s\n", SDL_HasMMXExt()? "detected" : "not detected");
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146 printf("3DNow %s\n", SDL_Has3DNow()? "detected" : "not detected");
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147 printf("3DNow Ext %s\n",
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148 SDL_Has3DNowExt()? "detected" : "not detected");
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149 printf("SSE %s\n", SDL_HasSSE()? "detected" : "not detected");
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150 printf("SSE2 %s\n", SDL_HasSSE2()? "detected" : "not detected");
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151 printf("AltiVec %s\n", SDL_HasAltiVec()? "detected" : "not detected");
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152 }
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153 return (0);
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154 }
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155
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156 int
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157 TestAssertions(SDL_bool verbose)
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158 {
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159 SDL_assert(1);
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160 SDL_assert_release(1);
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161 SDL_assert_paranoid(1);
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162 SDL_assert(0 || 1);
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163 SDL_assert_release(0 || 1);
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164 SDL_assert_paranoid(0 || 1);
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165
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166 #if 0 /* enable this to test assertion failures. */
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167 SDL_assert_release(1 == 2);
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168 SDL_assert_release(5 < 4);
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169 SDL_assert_release(0 && "This is a test");
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170 #endif
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171 SDL_assert_release(0 && "This is a test");
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172
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173 return (0);
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174 }
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175
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176 int
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177 main(int argc, char *argv[])
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178 {
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179 SDL_bool verbose = SDL_TRUE;
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180 int status = 0;
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181
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182 if (argv[1] && (SDL_strcmp(argv[1], "-q") == 0)) {
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183 verbose = SDL_FALSE;
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184 }
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185 if (verbose) {
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186 printf("This system is running %s\n", SDL_GetPlatform());
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187 }
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188
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189 status += TestTypes(verbose);
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190 status += TestEndian(verbose);
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191 status += TestCPUInfo(verbose);
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192 status += TestAssertions(verbose);
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193
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194 return status;
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195 }