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annotate test/testplatform.c @ 5282:8e421890cdb8

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Fixed bug #1117 There's a new event that's always sent when the window changes size, and that event is what the renderers listen for to determine if they need to rebind their context.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 12 Feb 2011 19:02:14 -0800
parents e1122f31fec5
children
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("CPU cache line size: %d\n", SDL_GetCPUCacheLineSize());
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144 printf("RDTSC %s\n", SDL_HasRDTSC()? "detected" : "not detected");
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145 printf("MMX %s\n", SDL_HasMMX()? "detected" : "not detected");
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146 printf("SSE %s\n", SDL_HasSSE()? "detected" : "not detected");
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147 printf("SSE2 %s\n", SDL_HasSSE2()? "detected" : "not detected");
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148 printf("SSE3 %s\n", SDL_HasSSE3()? "detected" : "not detected");
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149 printf("SSE4.1 %s\n", SDL_HasSSE41()? "detected" : "not detected");
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150 printf("SSE4.2 %s\n", SDL_HasSSE42()? "detected" : "not detected");
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151 }
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152 return (0);
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153 }
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154
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155 int
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156 TestAssertions(SDL_bool verbose)
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157 {
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158 SDL_assert(1);
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159 SDL_assert_release(1);
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160 SDL_assert_paranoid(1);
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161 SDL_assert(0 || 1);
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162 SDL_assert_release(0 || 1);
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163 SDL_assert_paranoid(0 || 1);
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164
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165 #if 0 /* enable this to test assertion failures. */
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166 SDL_assert_release(1 == 2);
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167 SDL_assert_release(5 < 4);
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168 SDL_assert_release(0 && "This is a test");
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169 #endif
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170
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171 return (0);
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172 }
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173
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174 int
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175 main(int argc, char *argv[])
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176 {
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177 SDL_bool verbose = SDL_TRUE;
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178 int status = 0;
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179
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180 if (argv[1] && (SDL_strcmp(argv[1], "-q") == 0)) {
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181 verbose = SDL_FALSE;
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182 }
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183 if (verbose) {
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184 printf("This system is running %s\n", SDL_GetPlatform());
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185 }
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186
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187 status += TestTypes(verbose);
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188 status += TestEndian(verbose);
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189 status += TestCPUInfo(verbose);
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190 status += TestAssertions(verbose);
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191
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192 return status;
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193 }