1 #include "config.h"
2 #include "ntp_types.h"
3 #include "ntp_stdlib.h"
4
5 #include "lfptest.h"
6
7 #include "ntp_unixtime.h"
8
9 #include "unity.h"
10
11 /* Required for Solaris. */
12 #include <math.h>
13
14 void test_ZeroBuffer(void);
15 void test_IntegerAndFractionalBuffer(void);
16 void test_IllegalMicroseconds(void);
17 void test_AlwaysFalseOnWindows(void);
18
19
20 void
test_ZeroBuffer(void)21 test_ZeroBuffer(void)
22 {
23 #ifndef SYS_WINNT
24 const struct timeval input = {0, 0};
25 const l_fp expected = {{0 + JAN_1970}, 0};
26
27 l_fp actual;
28
29 TEST_ASSERT_TRUE(buftvtots((const char*)(&input), &actual));
30 TEST_ASSERT_TRUE(IsEqual(expected, actual));
31 #else
32 TEST_IGNORE_MESSAGE("Test only for Windows, skipping...");
33 #endif
34
35 return;
36 }
37
38
39 void
test_IntegerAndFractionalBuffer(void)40 test_IntegerAndFractionalBuffer(void)
41 {
42 #ifndef SYS_WINNT
43 const struct timeval input = {5, 500000}; /* 5.5 */
44 const l_fp expected = {{5 + JAN_1970}, HALF};
45 double expectedDouble, actualDouble;
46 l_fp actual;
47
48 TEST_ASSERT_TRUE(buftvtots((const char*)(&input), &actual));
49
50 /* Compare the fractional part with an absolute error given. */
51 TEST_ASSERT_EQUAL(expected.l_ui, actual.l_ui);
52
53 M_LFPTOD(0, expected.l_uf, expectedDouble);
54 M_LFPTOD(0, actual.l_uf, actualDouble);
55
56 /* The error should be less than 0.5 us */
57 TEST_ASSERT_DOUBLE_WITHIN(0.0000005, expectedDouble, actualDouble);
58 #else
59 TEST_IGNORE_MESSAGE("Test only for Windows, skipping...");
60 #endif
61
62 return;
63 }
64
65 void
test_IllegalMicroseconds(void)66 test_IllegalMicroseconds(void)
67 {
68 #ifndef SYS_WINNT
69 const struct timeval input = {0, 1100000}; /* > 999 999 microseconds. */
70
71 l_fp actual;
72
73 TEST_ASSERT_FALSE(buftvtots((const char*)(&input), &actual));
74 #else
75 TEST_IGNORE_MESSAGE("Test only for Windows, skipping...");
76 #endif
77
78 return;
79 }
80
81
82 void
test_AlwaysFalseOnWindows(void)83 test_AlwaysFalseOnWindows(void)
84 {
85 #ifdef SYS_WINNT
86 /*
87 * Under Windows, buftvtots will just return
88 * 0 (false).
89 */
90 l_fp actual;
91 TEST_ASSERT_FALSE(buftvtots("", &actual));
92 #else
93 TEST_IGNORE_MESSAGE("Non-Windows test, skipping...");
94 #endif
95
96 return;
97 }
98