SDL  2.0
testplatform.c
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1 /*
2  Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org>
3 
4  This software is provided 'as-is', without any express or implied
5  warranty. In no event will the authors be held liable for any damages
6  arising from the use of this software.
7 
8  Permission is granted to anyone to use this software for any purpose,
9  including commercial applications, and to alter it and redistribute it
10  freely.
11 */
12 
13 #include <stdio.h>
14 
15 #include "SDL.h"
16 
17 /*
18  * Watcom C flags these as Warning 201: "Unreachable code" if you just
19  * compare them directly, so we push it through a function to keep the
20  * compiler quiet. --ryan.
21  */
22 static int
23 badsize(size_t sizeoftype, size_t hardcodetype)
24 {
25  return sizeoftype != hardcodetype;
26 }
27 
28 int
30 {
31  int error = 0;
32 
33  if (badsize(sizeof(Uint8), 1)) {
34  if (verbose)
35  SDL_Log("sizeof(Uint8) != 1, instead = %u\n",
36  (unsigned int)sizeof(Uint8));
37  ++error;
38  }
39  if (badsize(sizeof(Uint16), 2)) {
40  if (verbose)
41  SDL_Log("sizeof(Uint16) != 2, instead = %u\n",
42  (unsigned int)sizeof(Uint16));
43  ++error;
44  }
45  if (badsize(sizeof(Uint32), 4)) {
46  if (verbose)
47  SDL_Log("sizeof(Uint32) != 4, instead = %u\n",
48  (unsigned int)sizeof(Uint32));
49  ++error;
50  }
51  if (badsize(sizeof(Uint64), 8)) {
52  if (verbose)
53  SDL_Log("sizeof(Uint64) != 8, instead = %u\n",
54  (unsigned int)sizeof(Uint64));
55  ++error;
56  }
57  if (verbose && !error)
58  SDL_Log("All data types are the expected size.\n");
59 
60  return (error ? 1 : 0);
61 }
62 
63 int
65 {
66  int error = 0;
67  Uint16 value = 0x1234;
68  int real_byteorder;
69  Uint16 value16 = 0xCDAB;
70  Uint16 swapped16 = 0xABCD;
71  Uint32 value32 = 0xEFBEADDE;
72  Uint32 swapped32 = 0xDEADBEEF;
73  Uint64 value64, swapped64;
74 
75  value64 = 0xEFBEADDE;
76  value64 <<= 32;
77  value64 |= 0xCDAB3412;
78  swapped64 = 0x1234ABCD;
79  swapped64 <<= 32;
80  swapped64 |= 0xDEADBEEF;
81 
82  if (verbose) {
83  SDL_Log("Detected a %s endian machine.\n",
84  (SDL_BYTEORDER == SDL_LIL_ENDIAN) ? "little" : "big");
85  }
86  if ((*((char *) &value) >> 4) == 0x1) {
87  real_byteorder = SDL_BIG_ENDIAN;
88  } else {
89  real_byteorder = SDL_LIL_ENDIAN;
90  }
91  if (real_byteorder != SDL_BYTEORDER) {
92  if (verbose) {
93  SDL_Log("Actually a %s endian machine!\n",
94  (real_byteorder == SDL_LIL_ENDIAN) ? "little" : "big");
95  }
96  ++error;
97  }
98  if (verbose) {
99  SDL_Log("Value 16 = 0x%X, swapped = 0x%X\n", value16,
100  SDL_Swap16(value16));
101  }
102  if (SDL_Swap16(value16) != swapped16) {
103  if (verbose) {
104  SDL_Log("16 bit value swapped incorrectly!\n");
105  }
106  ++error;
107  }
108  if (verbose) {
109  SDL_Log("Value 32 = 0x%X, swapped = 0x%X\n", value32,
110  SDL_Swap32(value32));
111  }
112  if (SDL_Swap32(value32) != swapped32) {
113  if (verbose) {
114  SDL_Log("32 bit value swapped incorrectly!\n");
115  }
116  ++error;
117  }
118  if (verbose) {
119  SDL_Log("Value 64 = 0x%"SDL_PRIX64", swapped = 0x%"SDL_PRIX64"\n", value64,
120  SDL_Swap64(value64));
121  }
122  if (SDL_Swap64(value64) != swapped64) {
123  if (verbose) {
124  SDL_Log("64 bit value swapped incorrectly!\n");
125  }
126  ++error;
127  }
128  return (error ? 1 : 0);
129 }
130 
131 
132 int
134 {
135  if (verbose) {
136  SDL_Log("CPU count: %d\n", SDL_GetCPUCount());
137  SDL_Log("CPU cache line size: %d\n", SDL_GetCPUCacheLineSize());
138  SDL_Log("RDTSC %s\n", SDL_HasRDTSC()? "detected" : "not detected");
139  SDL_Log("AltiVec %s\n", SDL_HasAltiVec()? "detected" : "not detected");
140  SDL_Log("MMX %s\n", SDL_HasMMX()? "detected" : "not detected");
141  SDL_Log("3DNow! %s\n", SDL_Has3DNow()? "detected" : "not detected");
142  SDL_Log("SSE %s\n", SDL_HasSSE()? "detected" : "not detected");
143  SDL_Log("SSE2 %s\n", SDL_HasSSE2()? "detected" : "not detected");
144  SDL_Log("SSE3 %s\n", SDL_HasSSE3()? "detected" : "not detected");
145  SDL_Log("SSE4.1 %s\n", SDL_HasSSE41()? "detected" : "not detected");
146  SDL_Log("SSE4.2 %s\n", SDL_HasSSE42()? "detected" : "not detected");
147  SDL_Log("AVX %s\n", SDL_HasAVX()? "detected" : "not detected");
148  SDL_Log("System RAM %d MB\n", SDL_GetSystemRAM());
149  }
150  return (0);
151 }
152 
153 int
155 {
156  SDL_assert(1);
159  SDL_assert(0 || 1);
160  SDL_assert_release(0 || 1);
161  SDL_assert_paranoid(0 || 1);
162 
163 #if 0 /* enable this to test assertion failures. */
164  SDL_assert_release(1 == 2);
165  SDL_assert_release(5 < 4);
166  SDL_assert_release(0 && "This is a test");
167 #endif
168 
169  {
170  const SDL_AssertData *item = SDL_GetAssertionReport();
171  while (item) {
172  SDL_Log("'%s', %s (%s:%d), triggered %u times, always ignore: %s.\n",
173  item->condition, item->function, item->filename,
174  item->linenum, item->trigger_count,
175  item->always_ignore ? "yes" : "no");
176  item = item->next;
177  }
178  }
179  return (0);
180 }
181 
182 int
183 main(int argc, char *argv[])
184 {
185  SDL_bool verbose = SDL_TRUE;
186  int status = 0;
187 
188  /* Enable standard application logging */
190 
191  if (argv[1] && (SDL_strcmp(argv[1], "-q") == 0)) {
192  verbose = SDL_FALSE;
193  }
194  if (verbose) {
195  SDL_Log("This system is running %s\n", SDL_GetPlatform());
196  }
197 
198  status += TestTypes(verbose);
199  status += TestEndian(verbose);
200  status += TestCPUInfo(verbose);
201  status += TestAssertions(verbose);
202 
203  return status;
204 }
const struct SDL_AssertData * next
Definition: SDL_assert.h:117
#define SDL_HasAltiVec
#define SDL_HasAVX
const char * filename
Definition: SDL_assert.h:114
#define SDL_Has3DNow
GLuint GLfloat GLfloat GLfloat x1
#define SDL_GetSystemRAM
int TestAssertions(SDL_bool verbose)
Definition: testplatform.c:154
int main(int argc, char *argv[])
Definition: testplatform.c:183
const char * function
Definition: SDL_assert.h:116
#define SDL_LIL_ENDIAN
Definition: SDL_endian.h:37
#define SDL_HasSSE3
uint32_t Uint32
An unsigned 32-bit integer type.
Definition: SDL_stdinc.h:161
int TestEndian(SDL_bool verbose)
Definition: testplatform.c:64
#define SDL_GetAssertionReport
uint64_t Uint64
An unsigned 64-bit integer type.
Definition: SDL_stdinc.h:170
#define SDL_HasRDTSC
unsigned int trigger_count
Definition: SDL_assert.h:112
SDL_FORCE_INLINE Uint32 SDL_Swap32(Uint32 x)
Definition: SDL_endian.h:141
const char * condition
Definition: SDL_assert.h:113
#define SDL_assert_paranoid(condition)
Definition: SDL_assert.h:169
#define SDL_Log
GLsizei const GLfloat * value
uint8_t Uint8
An unsigned 8-bit integer type.
Definition: SDL_stdinc.h:143
SDL_FORCE_INLINE Uint16 SDL_Swap16(Uint16 x)
Definition: SDL_endian.h:101
#define SDL_HasSSE42
#define SDL_GetPlatform
#define SDL_HasMMX
static int badsize(size_t sizeoftype, size_t hardcodetype)
Definition: testplatform.c:23
#define SDL_GetCPUCacheLineSize
#define SDL_HasSSE41
#define SDL_PRIX64
Definition: SDL_stdinc.h:214
#define SDL_assert(condition)
Definition: SDL_assert.h:167
#define SDL_LogSetPriority
SDL_bool
Definition: SDL_stdinc.h:130
#define SDL_GetCPUCount
#define SDL_BIG_ENDIAN
Definition: SDL_endian.h:38
#define SDL_HasSSE2
SDL_FORCE_INLINE Uint64 SDL_Swap64(Uint64 x)
Definition: SDL_endian.h:175
uint16_t Uint16
An unsigned 16-bit integer type.
Definition: SDL_stdinc.h:151
#define SDL_strcmp
int TestCPUInfo(SDL_bool verbose)
Definition: testplatform.c:133
int TestTypes(SDL_bool verbose)
Definition: testplatform.c:29
#define SDL_assert_release(condition)
Definition: SDL_assert.h:168
#define SDL_HasSSE
#define SDL_BYTEORDER