This repository has been archived by the owner on Feb 11, 2021. It is now read-only.
/
testplatform.c
186 lines (168 loc) · 4.86 KB
/
testplatform.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
#include <stdio.h>
#include "SDL.h"
#include "SDL_endian.h"
#include "SDL_cpuinfo.h"
#include "SDL_assert.h"
/*
* Watcom C flags these as Warning 201: "Unreachable code" if you just
* compare them directly, so we push it through a function to keep the
* compiler quiet. --ryan.
*/
static int
badsize(size_t sizeoftype, size_t hardcodetype)
{
return sizeoftype != hardcodetype;
}
int
TestTypes(SDL_bool verbose)
{
int error = 0;
if (badsize(sizeof(Uint8), 1)) {
if (verbose)
printf("sizeof(Uint8) != 1, instead = %u\n",
(unsigned int)sizeof(Uint8));
++error;
}
if (badsize(sizeof(Uint16), 2)) {
if (verbose)
printf("sizeof(Uint16) != 2, instead = %u\n",
(unsigned int)sizeof(Uint16));
++error;
}
if (badsize(sizeof(Uint32), 4)) {
if (verbose)
printf("sizeof(Uint32) != 4, instead = %u\n",
(unsigned int)sizeof(Uint32));
++error;
}
if (badsize(sizeof(Uint64), 8)) {
if (verbose)
printf("sizeof(Uint64) != 8, instead = %u\n",
(unsigned int)sizeof(Uint64));
++error;
}
if (verbose && !error)
printf("All data types are the expected size.\n");
return (error ? 1 : 0);
}
int
TestEndian(SDL_bool verbose)
{
int error = 0;
Uint16 value = 0x1234;
int real_byteorder;
Uint16 value16 = 0xCDAB;
Uint16 swapped16 = 0xABCD;
Uint32 value32 = 0xEFBEADDE;
Uint32 swapped32 = 0xDEADBEEF;
Uint64 value64, swapped64;
value64 = 0xEFBEADDE;
value64 <<= 32;
value64 |= 0xCDAB3412;
swapped64 = 0x1234ABCD;
swapped64 <<= 32;
swapped64 |= 0xDEADBEEF;
if (verbose) {
printf("Detected a %s endian machine.\n",
(SDL_BYTEORDER == SDL_LIL_ENDIAN) ? "little" : "big");
}
if ((*((char *) &value) >> 4) == 0x1) {
real_byteorder = SDL_BIG_ENDIAN;
} else {
real_byteorder = SDL_LIL_ENDIAN;
}
if (real_byteorder != SDL_BYTEORDER) {
if (verbose) {
printf("Actually a %s endian machine!\n",
(real_byteorder == SDL_LIL_ENDIAN) ? "little" : "big");
}
++error;
}
if (verbose) {
printf("Value 16 = 0x%X, swapped = 0x%X\n", value16,
SDL_Swap16(value16));
}
if (SDL_Swap16(value16) != swapped16) {
if (verbose) {
printf("16 bit value swapped incorrectly!\n");
}
++error;
}
if (verbose) {
printf("Value 32 = 0x%X, swapped = 0x%X\n", value32,
SDL_Swap32(value32));
}
if (SDL_Swap32(value32) != swapped32) {
if (verbose) {
printf("32 bit value swapped incorrectly!\n");
}
++error;
}
if (verbose) {
#ifdef _MSC_VER
printf("Value 64 = 0x%I64X, swapped = 0x%I64X\n", value64,
SDL_Swap64(value64));
#else
printf("Value 64 = 0x%llX, swapped = 0x%llX\n", value64,
SDL_Swap64(value64));
#endif
}
if (SDL_Swap64(value64) != swapped64) {
if (verbose) {
printf("64 bit value swapped incorrectly!\n");
}
++error;
}
return (error ? 1 : 0);
}
int
TestCPUInfo(SDL_bool verbose)
{
if (verbose) {
printf("CPU count: %d\n", SDL_GetCPUCount());
printf("CPU cache line size: %d\n", SDL_GetCPUCacheLineSize());
printf("RDTSC %s\n", SDL_HasRDTSC()? "detected" : "not detected");
printf("AltiVec %s\n", SDL_HasAltiVec()? "detected" : "not detected");
printf("MMX %s\n", SDL_HasMMX()? "detected" : "not detected");
printf("3DNow! %s\n", SDL_Has3DNow()? "detected" : "not detected");
printf("SSE %s\n", SDL_HasSSE()? "detected" : "not detected");
printf("SSE2 %s\n", SDL_HasSSE2()? "detected" : "not detected");
printf("SSE3 %s\n", SDL_HasSSE3()? "detected" : "not detected");
printf("SSE4.1 %s\n", SDL_HasSSE41()? "detected" : "not detected");
printf("SSE4.2 %s\n", SDL_HasSSE42()? "detected" : "not detected");
}
return (0);
}
int
TestAssertions(SDL_bool verbose)
{
SDL_assert(1);
SDL_assert_release(1);
SDL_assert_paranoid(1);
SDL_assert(0 || 1);
SDL_assert_release(0 || 1);
SDL_assert_paranoid(0 || 1);
#if 0 /* enable this to test assertion failures. */
SDL_assert_release(1 == 2);
SDL_assert_release(5 < 4);
SDL_assert_release(0 && "This is a test");
#endif
return (0);
}
int
main(int argc, char *argv[])
{
SDL_bool verbose = SDL_TRUE;
int status = 0;
if (argv[1] && (SDL_strcmp(argv[1], "-q") == 0)) {
verbose = SDL_FALSE;
}
if (verbose) {
printf("This system is running %s\n", SDL_GetPlatform());
}
status += TestTypes(verbose);
status += TestEndian(verbose);
status += TestCPUInfo(verbose);
status += TestAssertions(verbose);
return status;
}