xref: /freebsd/contrib/netbsd-tests/lib/libc/stdlib/t_strtol.c (revision f39bffc62c1395bde25d152c7f68fdf7cbaab414)
1 /*	$NetBSD: t_strtol.c,v 1.6 2016/06/01 01:12:02 pgoyette Exp $ */
2 
3 /*-
4  * Copyright (c) 2011 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Jukka Ruohonen.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #include <sys/cdefs.h>
33 __RCSID("$NetBSD: t_strtol.c,v 1.6 2016/06/01 01:12:02 pgoyette Exp $");
34 
35 #include <atf-c.h>
36 #include <errno.h>
37 #include <stdlib.h>
38 #include <string.h>
39 #include <limits.h>
40 
41 struct test {
42 	const char	*str;
43 	int64_t		 res;
44 	int		 base;
45 	const char	*end;
46 };
47 
48 static void	check(struct test *, long int, long long int, char *);
49 
50 static void
51 check(struct test *t, long int li, long long int lli, char *end)
52 {
53 
54 	if (li != -1 && li != t->res)
55 		atf_tc_fail_nonfatal("strtol(%s, &end, %d) failed "
56 		    "(rv = %ld)", t->str, t->base, li);
57 
58 	if (lli != -1 && lli != t->res)
59 		atf_tc_fail_nonfatal("strtoll(%s, NULL, %d) failed "
60 		    "(rv = %lld)", t->str, t->base, lli);
61 
62 	if ((t->end != NULL && strcmp(t->end, end) != 0) ||
63 	    (t->end == NULL && *end != '\0'))
64 		atf_tc_fail_nonfatal("invalid end pointer ('%s') from "
65 		    "strtol(%s, &end, %d)", end, t->str, t->base);
66 }
67 
68 ATF_TC(strtol_base);
69 ATF_TC_HEAD(strtol_base, tc)
70 {
71 	atf_tc_set_md_var(tc, "descr", "Test strtol(3) with different bases");
72 }
73 
74 ATF_TC_BODY(strtol_base, tc)
75 {
76 	struct test t[] = {
77 		{ "123456789",			 123456789,  0, NULL	},
78 		{ "111010110111100110100010101", 123456789,  2, NULL	},
79 		{ "22121022020212200",		 123456789,  3, NULL	},
80 		{ "13112330310111",		 123456789,  4, NULL	},
81 		{ "223101104124",		 123456789,  5, NULL	},
82 		{ "20130035113",		 123456789,  6, NULL	},
83 		{ "3026236221",			 123456789,  7, NULL	},
84 		{ "726746425",			 123456789,  8, NULL	},
85 		{ "277266780",			 123456789,  9, NULL	},
86 		{ "123456789",			 123456789, 10, NULL	},
87 		{ "63762A05",			 123456789, 11, NULL	},
88 		{ "35418A99",			 123456789, 12, NULL	},
89 		{ "1C767471",			 123456789, 13, NULL	},
90 		{ "12579781",			 123456789, 14, NULL	},
91 		{ "AC89BC9",			 123456789, 15, NULL	},
92 		{ "75BCD15",			 123456789, 16, NULL	},
93 		{ "1234567",			    342391,  8, NULL	},
94 		{ "01234567",			    342391,  0, NULL	},
95 		{ "0123456789",			 123456789, 10, NULL	},
96 		{ "0x75bcd15",		         123456789,  0, NULL	},
97 	};
98 
99 	long long int lli;
100 	long int li;
101 	char *end;
102 	size_t i;
103 
104 	for (i = 0; i < __arraycount(t); i++) {
105 
106 		li = strtol(t[i].str, &end, t[i].base);
107 		lli = strtoll(t[i].str, NULL, t[i].base);
108 
109 		check(&t[i], li, lli, end);
110 	}
111 }
112 
113 ATF_TC(strtol_case);
114 ATF_TC_HEAD(strtol_case, tc)
115 {
116 	atf_tc_set_md_var(tc, "descr", "Case insensitivity with strtol(3)");
117 }
118 
119 ATF_TC_BODY(strtol_case, tc)
120 {
121 	struct test t[] = {
122 		{ "abcd",	0xabcd, 16, NULL	},
123 		{ "     dcba",	0xdcba, 16, NULL	},
124 		{ "abcd dcba",	0xabcd, 16, " dcba"	},
125 		{ "abc0x123",	0xabc0, 16, "x123"	},
126 		{ "abcd\0x123",	0xabcd, 16, "\0x123"	},
127 		{ "ABCD",	0xabcd, 16, NULL	},
128 		{ "aBcD",	0xabcd, 16, NULL	},
129 		{ "0xABCD",	0xabcd, 16, NULL	},
130 		{ "0xABCDX",	0xabcd, 16, "X"		},
131 	};
132 
133 	long long int lli;
134 	long int li;
135 	char *end;
136 	size_t i;
137 
138 	for (i = 0; i < __arraycount(t); i++) {
139 
140 		li = strtol(t[i].str, &end, t[i].base);
141 		lli = strtoll(t[i].str, NULL, t[i].base);
142 
143 		check(&t[i], li, lli, end);
144 	}
145 }
146 
147 ATF_TC(strtol_range);
148 ATF_TC_HEAD(strtol_range, tc)
149 {
150 	atf_tc_set_md_var(tc, "descr", "Test ERANGE from strtol(3)");
151 }
152 
153 ATF_TC_BODY(strtol_range, tc)
154 {
155 
156 #if LONG_MAX == 0x7fffffff	/* XXX: Is this portable? */
157 
158 	struct test t[] = {
159 		{ "20000000000", 2147483647, 8, NULL },
160 		{ "2147483648",  2147483647, 10, NULL },
161 		{ "80000000",	 2147483647, 16, NULL },
162 	};
163 #else
164 	struct test t[] = {
165 		{ "1000000000000000000000", 9223372036854775807, 8, NULL },
166 		{ "9223372036854775808",    9223372036854775807, 10, NULL },
167 		{ "8000000000000000",       9223372036854775807, 16, NULL },
168 	};
169 #endif
170 
171 	long int li;
172 	char *end;
173 	size_t i;
174 
175 	for (i = 0; i < __arraycount(t); i++) {
176 
177 		errno = 0;
178 		li = strtol(t[i].str, &end, t[i].base);
179 
180 		if (errno != ERANGE)
181 			atf_tc_fail("strtol(3) did not catch ERANGE");
182 
183 		check(&t[i], li, -1, end);
184 	}
185 }
186 
187 ATF_TC(strtol_signed);
188 ATF_TC_HEAD(strtol_signed, tc)
189 {
190 	atf_tc_set_md_var(tc, "descr", "A basic test of strtol(3)");
191 }
192 
193 ATF_TC_BODY(strtol_signed, tc)
194 {
195 	struct test t[] = {
196 		{ "1",		 1, 0, NULL	},
197 		{ " 2",		 2, 0, NULL	},
198 		{ "  3",	 3, 0, NULL	},
199 		{ " -3",	-3, 0, NULL	},
200 		{ "--1",	 0, 0, "--1"	},
201 		{ "+-2",	 0, 0, "+-2"	},
202 		{ "++3",	 0, 0, "++3"	},
203 		{ "+9",		 9, 0, NULL	},
204 		{ "+123",      123, 0, NULL	},
205 		{ "-1 3",       -1, 0, " 3"	},
206 		{ "-1.3",       -1, 0, ".3"	},
207 		{ "-  3",        0, 0, "-  3"	},
208 		{ "+33.",       33, 0, "."	},
209 		{ "30x0",       30, 0, "x0"	},
210 	};
211 
212 	long long int lli;
213 	long int li;
214 	char *end;
215 	size_t i;
216 
217 	for (i = 0; i < __arraycount(t); i++) {
218 
219 		li = strtol(t[i].str, &end, t[i].base);
220 		lli = strtoll(t[i].str, NULL, t[i].base);
221 
222 		check(&t[i], li, lli, end);
223 	}
224 }
225 
226 ATF_TP_ADD_TCS(tp)
227 {
228 
229 	ATF_TP_ADD_TC(tp, strtol_base);
230 	ATF_TP_ADD_TC(tp, strtol_case);
231 	ATF_TP_ADD_TC(tp, strtol_range);
232 	ATF_TP_ADD_TC(tp, strtol_signed);
233 
234 	return atf_no_error();
235 }
236