hextolfp.c revision 1.1.1.5 
1/*	$NetBSD: hextolfp.c,v 1.1.1.5 2016/01/08 21:21:33 christos Exp $	*/
2
3#include "config.h"
4
5#include "ntp_stdlib.h"
6#include "ntp_calendar.h"
7
8#include "unity.h"
9#include "lfptest.h"
10
11void test_PositiveInteger(void);
12void test_NegativeInteger(void);
13void test_PositiveFraction(void);
14void test_NegativeFraction(void);
15void test_IllegalNumberOfInteger(void);
16void test_IllegalChar(void);
17
18
19void
20test_PositiveInteger(void) {
21	const char *str = "00001000.00000000";
22	l_fp actual;
23
24	l_fp expected = {{4096}, 0}; /* 16^3, no fraction part. */
25
26	TEST_ASSERT_TRUE(hextolfp(str, &actual));
27	TEST_ASSERT_TRUE(IsEqual(expected, actual));
28}
29
30void
31test_NegativeInteger(void) {
32	const char *str = "ffffffff.00000000"; /* -1 decimal */
33	l_fp actual;
34
35	l_fp expected = {{-1}, 0};
36
37	TEST_ASSERT_TRUE(hextolfp(str, &actual));
38	TEST_ASSERT_TRUE(IsEqual(expected, actual));
39}
40
41void
42test_PositiveFraction(void) {
43	const char *str = "00002000.80000000"; /* 8196.5 decimal */
44	l_fp actual;
45
46	l_fp expected = {{8192}, HALF};
47
48	TEST_ASSERT_TRUE(hextolfp(str, &actual));
49	TEST_ASSERT_TRUE(IsEqual(expected, actual));
50}
51
52void
53test_NegativeFraction(void) {
54	const char *str = "ffffffff.40000000"; /* -1 + 0.25 decimal */
55	l_fp actual;
56
57	l_fp expected = {{-1}, QUARTER}; /* -1 + 0.25 */
58
59	TEST_ASSERT_TRUE(hextolfp(str, &actual));
60	TEST_ASSERT_TRUE(IsEqual(expected, actual));
61}
62
63void
64test_IllegalNumberOfInteger(void) {
65	const char *str = "1000000.00000000"; /* Missing one digit in integral part. */
66	l_fp actual;
67
68	TEST_ASSERT_FALSE(hextolfp(str, &actual));
69}
70
71void
72test_IllegalChar(void) {
73	const char *str = "10000000.0000h000"; /* Illegal character h. */
74	l_fp actual;
75
76	TEST_ASSERT_FALSE(hextolfp(str, &actual));
77}
78