Training courses

Kernel and Embedded Linux

Bootlin training courses

Embedded Linux, kernel,
Yocto Project, Buildroot, real-time,
graphics, boot time, debugging...

Bootlin logo

Elixir Cross Referencer

Open Menu /external/bsd/ntp/dist/tests/libntp/tsafememcmp.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
#include "config.h"

#include "ntp_stdlib.h"
#include "isc/string.h"

#include "unity.h"

/* Basisc test for timingsafe_memcmp() */

void test_Empty(void);
void test_Equal(void);
void test_FirstByte(void);
void test_LastByte(void);
void test_MiddleByte(void);
void test_MiddleByteUpLo(void);

void test_Empty(void)
{
	static const char dummy[1];
	TEST_ASSERT_EQUAL_INT(0, isc_tsmemcmp(NULL , NULL , 0));
	TEST_ASSERT_EQUAL_INT(0, isc_tsmemcmp(dummy, dummy, 0));
}

void test_Equal(void)
{
	static const char dummy[2][4] = {
		"blob", "blob"
	};
	TEST_ASSERT_EQUAL_INT(0, isc_tsmemcmp(dummy[0],
					      dummy[1],
					      sizeof(dummy[0])));
}

void test_FirstByte(void)
{
	static const char dummy[2][4] = {
		"Blob", "Clob"
	};
	TEST_ASSERT_EQUAL_INT(-1, isc_tsmemcmp(dummy[0],
					       dummy[1],
					       sizeof(dummy[0])));
	TEST_ASSERT_EQUAL_INT( 1, isc_tsmemcmp(dummy[1],
					       dummy[0],
					       sizeof(dummy[0])));
}

void test_LastByte(void)
{
	static const char dummy[2][4] = {
		"Blob", "Bloc"
	};
	TEST_ASSERT_EQUAL_INT(-1, isc_tsmemcmp(dummy[0],
					       dummy[1],
					       sizeof(dummy[0])));
	TEST_ASSERT_EQUAL_INT( 1, isc_tsmemcmp(dummy[1],
					       dummy[0],
					       sizeof(dummy[0])));
}

void test_MiddleByte(void)
{
	static const char dummy[2][4] = {
		"Blob", "Blpb"
	};
	TEST_ASSERT_EQUAL_INT(-1, isc_tsmemcmp(dummy[0],
					       dummy[1],
					       sizeof(dummy[0])));
	TEST_ASSERT_EQUAL_INT( 1, isc_tsmemcmp(dummy[1],
					       dummy[0],
					       sizeof(dummy[0])));
}

void test_MiddleByteUpLo(void)
{
	static const char dummy[2][4] = {
		"Blob", "Blpa"
	};
	TEST_ASSERT_EQUAL_INT(-1, isc_tsmemcmp(dummy[0],
					       dummy[1],
					       sizeof(dummy[0])));
	TEST_ASSERT_EQUAL_INT( 1, isc_tsmemcmp(dummy[1],
					       dummy[0],
					       sizeof(dummy[0])));
}