t_cdefs.c revision 313498 
1/* $NetBSD: t_cdefs.c,v 1.4 2016/03/16 07:21:36 mrg Exp $ */
2
3/*-
4 * Copyright (c) 2012 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Christos Zoulas.
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__COPYRIGHT("@(#) Copyright (c) 2008\
34 The NetBSD Foundation, inc. All rights reserved.");
35__RCSID("$NetBSD: t_cdefs.c,v 1.4 2016/03/16 07:21:36 mrg Exp $");
36
37#include <atf-c.h>
38#include <sys/types.h>
39#include <limits.h>
40#include <stdint.h>
41
42static const struct {
43	const char *name;
44	intmax_t min;
45	intmax_t max;
46} s[] = {
47	{ "signed char", SCHAR_MIN, SCHAR_MAX },
48	{ "signed short", SHRT_MIN, SHRT_MAX },
49	{ "signed int", INT_MIN, INT_MAX },
50	{ "signed long", LONG_MIN, LONG_MAX },
51	{ "signed long long", LLONG_MIN, LLONG_MAX },
52};
53
54static const struct {
55	const char *name;
56	uintmax_t min;
57	uintmax_t max;
58} u[] = {
59	{ "unsigned char", 0, UCHAR_MAX },
60	{ "unsigned short", 0, USHRT_MAX },
61	{ "unsigned int", 0, UINT_MAX },
62	{ "unsigned long", 0, ULONG_MAX },
63	{ "unsigned long long", 0, ULLONG_MAX },
64};
65
66ATF_TC(stypeminmax);
67ATF_TC_HEAD(stypeminmax, tc)
68{
69	atf_tc_set_md_var(tc, "descr", "Checks signed type min/max macros");
70}
71
72
73ATF_TC_BODY(stypeminmax, tc)
74{
75#define CHECK(a, b) ATF_REQUIRE(__type_min(a) == s[b].min); \
76    ATF_REQUIRE(__type_max(a) == s[b].max)
77
78	CHECK(signed char, 0);
79	CHECK(signed short, 1);
80	CHECK(signed int, 2);
81	CHECK(signed long, 3);
82	CHECK(signed long long, 4);
83#undef CHECK
84}
85
86ATF_TC(utypeminmax);
87ATF_TC_HEAD(utypeminmax, tc)
88{
89	atf_tc_set_md_var(tc, "descr", "Checks unsigned type min/max macros");
90}
91
92ATF_TC_BODY(utypeminmax, tc)
93{
94#define CHECK(a, b) ATF_REQUIRE(__type_min(a) == u[b].min); \
95    ATF_REQUIRE(__type_max(a) == u[b].max)
96
97	CHECK(unsigned char, 0);
98	CHECK(unsigned short, 1);
99	CHECK(unsigned int, 2);
100	CHECK(unsigned long, 3);
101	CHECK(unsigned long long, 4);
102#undef CHECK
103}
104
105ATF_TC(sissigned);
106ATF_TC_HEAD(sissigned, tc)
107{
108	atf_tc_set_md_var(tc, "descr", "Checks issigned macro for signed");
109}
110
111ATF_TC_BODY(sissigned, tc)
112{
113#define CHECK(a) ATF_REQUIRE(__type_is_signed(a) == 1)
114
115	CHECK(signed char);
116	CHECK(signed short);
117	CHECK(signed int);
118	CHECK(signed long);
119	CHECK(signed long long);
120#undef CHECK
121}
122
123ATF_TC(uissigned);
124ATF_TC_HEAD(uissigned, tc)
125{
126	atf_tc_set_md_var(tc, "descr", "Checks issigned macro for unsigned");
127}
128
129ATF_TC_BODY(uissigned, tc)
130{
131#define CHECK(a) ATF_REQUIRE(__type_is_signed(a) == 0)
132
133	CHECK(unsigned char);
134	CHECK(unsigned short);
135	CHECK(unsigned int);
136	CHECK(unsigned long);
137	CHECK(unsigned long long);
138#undef CHECK
139}
140
141ATF_TC(utypemask);
142ATF_TC_HEAD(utypemask, tc)
143{
144	atf_tc_set_md_var(tc, "descr", "Checks type mask macro for unsigned");
145}
146
147ATF_TC_BODY(utypemask, tc)
148{
149#define CHECK(a, b) ATF_REQUIRE(__type_mask(a) == b)
150
151	CHECK(unsigned char,      0xffffffffffffff00ULL);
152	CHECK(unsigned short,     0xffffffffffff0000ULL);
153	CHECK(unsigned int,       0xffffffff00000000ULL);
154	CHECK(unsigned long long, 0x0000000000000000ULL);
155#undef CHECK
156}
157
158ATF_TC(stypemask);
159ATF_TC_HEAD(stypemask, tc)
160{
161	atf_tc_set_md_var(tc, "descr", "Checks type mask macro for signed");
162}
163
164ATF_TC_BODY(stypemask, tc)
165{
166#define CHECK(a, b) ATF_REQUIRE(__type_mask(a) == b)
167
168	CHECK(signed char,      0xffffffffffffff00LL);
169	CHECK(signed short,     0xffffffffffff0000LL);
170	CHECK(signed int,       0xffffffff00000000LL);
171	CHECK(signed long long, 0x0000000000000000LL);
172#undef CHECK
173}
174
175ATF_TC(stypefit);
176ATF_TC_HEAD(stypefit, tc)
177{
178	atf_tc_set_md_var(tc, "descr", "Checks typefit macro for signed");
179}
180
181ATF_TC_BODY(stypefit, tc)
182{
183#define CHECK(a, b, c) ATF_REQUIRE(__type_fit(a, b) == c)
184
185	CHECK(signed char, -1, 1);
186	CHECK(signed char, 1, 1);
187	CHECK(signed char, 0x7f, 1);
188	CHECK(signed char, 0x80, 0);
189	CHECK(signed char, 0xff, 0);
190	CHECK(signed char, 0x1ff, 0);
191
192	CHECK(signed short, -1, 1);
193	CHECK(signed short, 1, 1);
194	CHECK(signed short, 0x7fff, 1);
195	CHECK(signed short, 0x8000, 0);
196	CHECK(signed short, 0xffff, 0);
197	CHECK(signed short, 0x1ffff, 0);
198
199	CHECK(signed int, -1, 1);
200	CHECK(signed int, 1, 1);
201	CHECK(signed int, 0x7fffffff, 1);
202	CHECK(signed int, 0x80000000, 0);
203	CHECK(signed int, 0xffffffff, 0);
204	CHECK(signed int, 0x1ffffffffLL, 0);
205
206	CHECK(signed long long, -1, 1);
207	CHECK(signed long long, 1, 1);
208	CHECK(signed long long, 0x7fffffffffffffffLL, 1);
209	CHECK(signed long long, 0x8000000000000000LL, 0);
210	CHECK(signed long long, 0xffffffffffffffffLL, 0);
211
212#undef CHECK
213}
214
215ATF_TC(utypefit);
216ATF_TC_HEAD(utypefit, tc)
217{
218	atf_tc_set_md_var(tc, "descr", "Checks typefit macro for unsigned");
219}
220
221ATF_TC_BODY(utypefit, tc)
222{
223#define CHECK(a, b, c) ATF_REQUIRE(__type_fit(a, b) == c)
224
225	CHECK(unsigned char, -1, 0);
226	CHECK(unsigned char, 1, 1);
227	CHECK(unsigned char, 0x7f, 1);
228	CHECK(unsigned char, 0x80, 1);
229	CHECK(unsigned char, 0xff, 1);
230	CHECK(unsigned char, 0x1ff, 0);
231
232	CHECK(unsigned short, -1, 0);
233	CHECK(unsigned short, 1, 1);
234	CHECK(unsigned short, 0x7fff, 1);
235	CHECK(unsigned short, 0x8000, 1);
236	CHECK(unsigned short, 0xffff, 1);
237	CHECK(unsigned short, 0x1ffff, 0);
238
239	CHECK(unsigned int, -1, 0);
240	CHECK(unsigned int, 1, 1);
241	CHECK(unsigned int, 0x7fffffff, 1);
242	CHECK(unsigned int, 0x80000000, 1);
243	CHECK(unsigned int, 0xffffffff, 1);
244	CHECK(unsigned int, 0x1ffffffffLL, 0);
245
246	CHECK(unsigned long long, -1, 0);
247	CHECK(unsigned long long, 1, 1);
248	CHECK(unsigned long long, 0x7fffffffffffffffULL, 1);
249	CHECK(unsigned long long, 0x8000000000000000ULL, 1);
250	CHECK(unsigned long long, 0xffffffffffffffffULL, 1);
251
252#undef CHECK
253}
254
255ATF_TP_ADD_TCS(tp)
256{
257	ATF_TP_ADD_TC(tp, stypeminmax);
258	ATF_TP_ADD_TC(tp, utypeminmax);
259	ATF_TP_ADD_TC(tp, sissigned);
260	ATF_TP_ADD_TC(tp, uissigned);
261	ATF_TP_ADD_TC(tp, stypemask);
262	ATF_TP_ADD_TC(tp, utypemask);
263	ATF_TP_ADD_TC(tp, stypefit);
264	ATF_TP_ADD_TC(tp, utypefit);
265
266	return atf_no_error();
267}
268