xref: /freebsd/contrib/ntp/sntp/tests/utilities.c (revision e8d8bef961a50d4dc22501cde4fb9fb0be1b2532)
1 #include "config.h"
2 
3 #include "sntptest.h"
4 #include "fileHandlingTest.h"
5 #include "main.h"
6 #include "utilities.h"
7 
8 #include "unity.h"
9 
10 #include <math.h>
11 
12 sockaddr_u CreateSockaddr4(const char* address);
13 struct addrinfo CreateAddrinfo(sockaddr_u* sock);
14 void InitDebugTest(const char * filename);
15 void FinishDebugTest(const char * expected,const char * actual);
16 void test_IPv4Address(void);
17 void test_IPv6Address(void);
18 void test_SetLiVnMode1(void);
19 void test_SetLiVnMode2(void);
20 void test_PktOutput(void);
21 void test_LfpOutputBinaryFormat(void);
22 void test_LfpOutputDecimalFormat(void);
23 
24 
25 const char * Version = "stub unit test Version string";
26 
27 
28 sockaddr_u
29 CreateSockaddr4(const char* address) {
30 	sockaddr_u s;
31 	s.sa4.sin_family = AF_INET;
32 	s.sa4.sin_addr.s_addr = inet_addr(address);
33 	SET_PORT(&s, 123);
34 
35 	return s;
36 }
37 
38 
39 struct addrinfo
40 CreateAddrinfo(sockaddr_u* sock) {
41 	struct addrinfo a;
42 	a.ai_family = sock->sa.sa_family;
43 	a.ai_addrlen = SIZEOF_SOCKADDR(a.ai_family);
44 	a.ai_addr = &sock->sa;
45 	return a;
46 }
47 
48 
49 bool outputFileOpened;
50 FILE* outputFile;
51 
52 
53 void
54 InitDebugTest(const char * filename) {
55 	// Clear the contents of the current file.
56 	// Open the output file
57 	outputFile = fopen(filename, "w+");
58 	TEST_ASSERT_NOT_NULL(outputFile);
59 	outputFileOpened = true;
60 }
61 
62 
63 // Closes outputFile, and compare contents.
64 void
65 FinishDebugTest(const char * expected,
66 		     const char * actual) {
67 	if (outputFileOpened)
68 		fclose(outputFile);
69 
70 	FILE * e = fopen(expected,"rb");
71 	FILE * a = fopen(actual,"rb");
72 	TEST_ASSERT_NOT_NULL(e);
73 	TEST_ASSERT_NOT_NULL(a);
74 
75 	CompareFileContent(e, a);
76 }
77 
78 
79 /*
80  * These tests are essentially a copy of the tests for socktoa()
81  * in libntp. If sntp switches to using that functions, these
82  * tests can be removed.
83  */
84 
85 void
86 test_IPv4Address(void) {
87 	const char* ADDR = "192.0.2.10";
88 
89 	sockaddr_u input = CreateSockaddr4(ADDR);
90 	struct addrinfo inputA = CreateAddrinfo(&input);
91 
92 	TEST_ASSERT_EQUAL_STRING(ADDR, ss_to_str(&input));
93 	TEST_ASSERT_EQUAL_STRING(ADDR, addrinfo_to_str(&inputA));
94 }
95 
96 
97 void
98 test_IPv6Address(void) {
99 	const struct in6_addr address = { { {
100 						0x20, 0x01, 0x0d, 0xb8,
101 						0x85, 0xa3, 0x08, 0xd3,
102 						0x13, 0x19, 0x8a, 0x2e,
103 						0x03, 0x70, 0x73, 0x34
104 					} } };
105 	const char * expected = "2001:db8:85a3:8d3:1319:8a2e:370:7334";
106 	sockaddr_u	input;
107 	struct addrinfo	inputA;
108 
109 	memset(&input, 0, sizeof(input));
110 	input.sa6.sin6_family = AF_INET6;
111 	input.sa6.sin6_addr = address;
112 	TEST_ASSERT_EQUAL_STRING(expected, ss_to_str(&input));
113 
114 	inputA = CreateAddrinfo(&input);
115 	TEST_ASSERT_EQUAL_STRING(expected, addrinfo_to_str(&inputA));
116 }
117 
118 
119 void
120 test_SetLiVnMode1(void) {
121 	struct pkt expected;
122 	expected.li_vn_mode = PKT_LI_VN_MODE(LEAP_NOWARNING,
123 					     NTP_VERSION,
124 					     MODE_SERVER);
125 
126 	struct pkt actual;
127 	set_li_vn_mode(&actual, LEAP_NOWARNING, NTP_VERSION,
128 				   MODE_SERVER);
129 
130 	TEST_ASSERT_EQUAL(expected.li_vn_mode, actual.li_vn_mode);
131 }
132 
133 
134 void
135 test_SetLiVnMode2(void) {
136 	struct pkt expected;
137 	expected.li_vn_mode = PKT_LI_VN_MODE(LEAP_NOTINSYNC,
138 					     NTP_OLDVERSION,
139 					     MODE_BROADCAST);
140 
141 	struct pkt actual;
142 	set_li_vn_mode(&actual, LEAP_NOTINSYNC, NTP_OLDVERSION,
143 				   MODE_BROADCAST);
144 
145 	TEST_ASSERT_EQUAL(expected.li_vn_mode, actual.li_vn_mode);
146 }
147 
148 /* Debug utilities tests */
149 
150 void
151 test_PktOutput(void) {
152 	char * filename = "debug-output-pkt";
153 	InitDebugTest(filename);
154 
155 	struct pkt testpkt;
156 	memset(&testpkt, 0, sizeof(struct pkt));
157 	testpkt.li_vn_mode = PKT_LI_VN_MODE(LEAP_NOWARNING,
158 					    NTP_VERSION,
159 					    MODE_SERVER);
160 
161 	l_fp test;
162 	test.l_ui = 8;
163 	test.l_uf = 2147483647; // Lots of ones.
164 	HTONL_FP(&test, &testpkt.xmt);
165 
166 	pkt_output(&testpkt, LEN_PKT_NOMAC, outputFile);
167 
168 	FinishDebugTest(CreatePath("debug-input-pkt", INPUT_DIR), filename);
169 }
170 
171 
172 void
173 test_LfpOutputBinaryFormat(void) {
174 	char * filename = "debug-output-lfp-bin";//CreatePath("debug-output-lfp-bin", OUTPUT_DIR);
175 	InitDebugTest(filename);
176 
177 	l_fp test;
178 	test.l_ui = 63;  // 00000000 00000000 00000000 00111111
179 	test.l_uf = 127; // 00000000 00000000 00000000 01111111
180 
181 	l_fp network;
182 	HTONL_FP(&test, &network);
183 
184 	l_fp_output_bin(&network, outputFile);
185 
186 	FinishDebugTest(CreatePath("debug-input-lfp-bin", INPUT_DIR), filename);
187 }
188 
189 
190 void
191 test_LfpOutputDecimalFormat(void) {
192 	char * filename = "debug-output-lfp-dec";
193 	InitDebugTest(filename);
194 
195 	l_fp test;
196 	test.l_ui = 6310; // 0x000018A6
197 	test.l_uf = 308502; // 0x00004B516
198 
199 	l_fp network;
200 	HTONL_FP(&test, &network);
201 
202 	l_fp_output_dec(&network, outputFile);
203 
204 	FinishDebugTest(CreatePath("debug-input-lfp-dec", INPUT_DIR), filename);
205 }
206