hextolfp.c revision 1.1.1.2
1/*	$NetBSD: hextolfp.c,v 1.1.1.2 2015/07/10 13:11:14 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
11
12void test_PositiveInteger(void) {
13	const char *str = "00001000.00000000";
14	l_fp actual;
15
16	l_fp expected = {4096, 0}; // 16^3, no fraction part.
17
18	TEST_ASSERT_TRUE(hextolfp(str, &actual));
19	TEST_ASSERT_TRUE(IsEqual(expected, actual));
20}
21
22void test_NegativeInteger(void) {
23	const char *str = "ffffffff.00000000"; // -1 decimal
24	l_fp actual;
25
26	l_fp expected = {-1, 0};
27
28	TEST_ASSERT_TRUE(hextolfp(str, &actual));
29	TEST_ASSERT_TRUE(IsEqual(expected, actual));
30}
31
32void test_PositiveFraction(void) {
33	const char *str = "00002000.80000000"; // 8196.5 decimal
34	l_fp actual;
35
36	l_fp expected = {8192, HALF};
37
38	TEST_ASSERT_TRUE(hextolfp(str, &actual));
39	TEST_ASSERT_TRUE(IsEqual(expected, actual));
40}
41
42void test_NegativeFraction(void) {
43	const char *str = "ffffffff.40000000"; // -1 + 0.25 decimal
44	l_fp actual;
45
46	l_fp expected = {-1, QUARTER}; //-1 + 0.25
47
48	TEST_ASSERT_TRUE(hextolfp(str, &actual));
49	TEST_ASSERT_TRUE(IsEqual(expected, actual));
50}
51
52void test_IllegalNumberOfInteger(void) {
53	const char *str = "1000000.00000000"; // Missing one digit in integral part.
54	l_fp actual;
55
56	TEST_ASSERT_FALSE(hextolfp(str, &actual));
57}
58
59void test_IllegalChar(void) {
60	const char *str = "10000000.0000h000"; // Illegal character h.
61	l_fp actual;
62
63	TEST_ASSERT_FALSE(hextolfp(str, &actual));
64}
65
66