xref: /netbsd-src/external/bsd/ntp/dist/tests/libntp/atoint.c (revision cdfa2a7ef92791ba9db70a584a1d904730e6fb46) 
1 /*	$NetBSD: atoint.c,v 1.2 2020/05/25 20:47:36 christos Exp $	*/
2 
3 #include "config.h"
4 
5 #include "ntp_stdlib.h"
6 #include "ntp_calendar.h"
7 #include "unity.h"
8 
9 void test_RegularPositive(void);
10 void test_RegularNegative(void);
11 void test_PositiveOverflowBoundary(void);
12 void test_NegativeOverflowBoundary(void);
13 void test_PositiveOverflowBig(void);
14 void test_IllegalCharacter(void);
15 
16 
17 
test_RegularPositive(void)18 void test_RegularPositive(void) {
19         const char *str = "17";
20         long val;
21 
22         TEST_ASSERT_TRUE(atoint(str, &val));
23         TEST_ASSERT_EQUAL(17, val);
24 }
25 
test_RegularNegative(void)26 void test_RegularNegative(void) {
27         const char *str = "-20";
28         long val;
29 
30         TEST_ASSERT_TRUE(atoint(str, &val));
31         TEST_ASSERT_EQUAL(-20, val);
32 }
33 
test_PositiveOverflowBoundary(void)34 void test_PositiveOverflowBoundary(void) {
35         const char *str = "2147483648";
36         long val;
37 
38         TEST_ASSERT_FALSE(atoint(str, &val));
39 }
40 
test_NegativeOverflowBoundary(void)41 void test_NegativeOverflowBoundary(void) {
42         const char *str = "-2147483649";
43         long val;
44 
45         TEST_ASSERT_FALSE(atoint(str, &val));
46 }
47 
test_PositiveOverflowBig(void)48 void test_PositiveOverflowBig(void) {
49         const char *str = "2300000000";
50         long val;
51 
52         TEST_ASSERT_FALSE(atoint(str, &val));
53 }
54 
test_IllegalCharacter(void)55 void test_IllegalCharacter(void) {
56         const char *str = "4500l";
57         long val;
58 
59         TEST_ASSERT_FALSE(atoint(str, &val));
60 }
61 
62 
63