Repository navigation
Expand file tree
/
Copy pathtestautomation_guid.c
More file actions
171 lines (141 loc) · 4.59 KB
/
Copy pathtestautomation_guid.c
File metadata and controls
171 lines (141 loc) · 4.59 KB
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
/**
* GUID test suite
*/
#include "SDL.h"
#include "SDL_test.h"
#ifdef HAVE_STDINT_H
#include <stdint.h>
#endif
/* ================= Test Case Implementation ================== */
/* Helper functions */
#define NUM_TEST_GUIDS 5
#ifndef UINT64_C
#ifdef _MSC_VER
#define UINT64_C(x) x##ui64
#elif defined(_LP64)
#define UINT64_C(x) x##UL
#else
#define UINT64_C(x) x##ULL
#endif
#endif
static struct
{
char *str;
Uint64 upper, lower;
} test_guids[NUM_TEST_GUIDS] = {
{ "0000000000000000"
"ffffffffffffffff",
UINT64_C(0x0000000000000000), UINT64_C(0xffffffffffffffff) },
{ "0011223344556677"
"8091a2b3c4d5e6f0",
UINT64_C(0x0011223344556677), UINT64_C(0x8091a2b3c4d5e6f0) },
{ "a011223344556677"
"8091a2b3c4d5e6f0",
UINT64_C(0xa011223344556677), UINT64_C(0x8091a2b3c4d5e6f0) },
{ "a011223344556677"
"8091a2b3c4d5e6f1",
UINT64_C(0xa011223344556677), UINT64_C(0x8091a2b3c4d5e6f1) },
{ "a011223344556677"
"8191a2b3c4d5e6f0",
UINT64_C(0xa011223344556677), UINT64_C(0x8191a2b3c4d5e6f0) },
};
static void
upper_lower_to_bytestring(Uint8 *out, Uint64 upper, Uint64 lower)
{
Uint64 values[2];
int i, k;
values[0] = upper;
values[1] = lower;
for (i = 0; i < 2; ++i) {
Uint64 v = values[i];
for (k = 0; k < 8; ++k) {
*out++ = v >> 56;
v <<= 8;
}
}
}
/* Test case functions */
/**
* @brief Check String-to-GUID conversion
*
* @sa SDL_GUIDFromString
*/
static int
TestGuidFromString(void *arg)
{
int i;
SDLTest_AssertPass("Call to SDL_GUIDFromString");
for (i = 0; i < NUM_TEST_GUIDS; ++i) {
Uint8 expected[16];
SDL_GUID guid;
upper_lower_to_bytestring(expected,
test_guids[i].upper, test_guids[i].lower);
guid = SDL_GUIDFromString(test_guids[i].str);
SDLTest_AssertCheck(SDL_memcmp(expected, guid.data, 16) == 0, "GUID from string, GUID was: '%s'", test_guids[i].str);
}
return TEST_COMPLETED;
}
/**
* @brief Check GUID-to-String conversion
*
* @sa SDL_GUIDToString
*/
static int
TestGuidToString(void *arg)
{
int i;
SDLTest_AssertPass("Call to SDL_GUIDToString");
for (i = 0; i < NUM_TEST_GUIDS; ++i) {
const int guid_str_offset = 4;
char guid_str_buf[64];
char *guid_str = guid_str_buf + guid_str_offset;
SDL_GUID guid;
int size;
upper_lower_to_bytestring(guid.data,
test_guids[i].upper, test_guids[i].lower);
/* Serialise to limited-length buffers */
for (size = 0; size <= 36; ++size) {
const Uint8 fill_char = size + 0xa0;
Uint32 expected_prefix;
Uint32 actual_prefix;
int written_size;
SDL_memset(guid_str_buf, fill_char, sizeof(guid_str_buf));
SDL_GUIDToString(guid, guid_str, size);
/* Check bytes before guid_str_buf */
expected_prefix = fill_char | (fill_char << 8) | (fill_char << 16) | (((Uint32)fill_char) << 24);
SDL_memcpy(&actual_prefix, guid_str_buf, 4);
SDLTest_AssertCheck(expected_prefix == actual_prefix, "String buffer memory before output untouched, expected: %" SDL_PRIu32 ", got: %" SDL_PRIu32 ", at size=%d", expected_prefix, actual_prefix, size);
/* Check that we did not overwrite too much */
written_size = 0;
while ((guid_str[written_size] & 0xff) != fill_char && written_size < 256) {
++written_size;
}
SDLTest_AssertCheck(written_size <= size, "Output length is within expected bounds, with length %d: wrote %d of %d permitted bytes", size, written_size, size);
if (size >= 33) {
SDLTest_AssertCheck(SDL_strcmp(guid_str, test_guids[i].str) == 0, "GUID string equality, from string: %s", test_guids[i].str);
}
}
}
return TEST_COMPLETED;
}
/* ================= Test References ================== */
/* GUID routine test cases */
static const SDLTest_TestCaseReference guidTest1 = {
(SDLTest_TestCaseFp)TestGuidFromString, "TestGuidFromString", "Call to SDL_GUIDFromString", TEST_ENABLED
};
static const SDLTest_TestCaseReference guidTest2 = {
(SDLTest_TestCaseFp)TestGuidToString, "TestGuidToString", "Call to SDL_GUIDToString", TEST_ENABLED
};
/* Sequence of GUID routine test cases */
static const SDLTest_TestCaseReference *guidTests[] = {
&guidTest1,
&guidTest2,
NULL
};
/* GUID routine test suite (global) */
SDLTest_TestSuiteReference guidTestSuite = {
"GUID",
NULL,
guidTests,
NULL
};