t_isnan.c revision 276478 
1/* $NetBSD: t_isnan.c,v 1.5 2014/11/04 00:20:19 justin Exp $ */
2
3/*
4 * This file is in the Public Domain.
5 *
6 * The nan test is blatently copied by Simon Burge from the infinity
7 * test by Ben Harris.
8 */
9
10#include <sys/param.h>
11
12#include <atf-c.h>
13
14#include <math.h>
15#include <string.h>
16
17ATF_TC(isnan_basic);
18ATF_TC_HEAD(isnan_basic, tc)
19{
20	atf_tc_set_md_var(tc, "descr", "Verify that isnan(3) works");
21}
22
23ATF_TC_BODY(isnan_basic, tc)
24{
25#if defined(__m68k__)
26	atf_tc_skip("Test not applicable on " MACHINE_ARCH);
27#endif
28
29#ifdef NAN
30	/* NAN is meant to be a (float)NaN. */
31	ATF_CHECK(isnan(NAN) != 0);
32	ATF_CHECK(isnan((double)NAN) != 0);
33#else
34	atf_tc_skip("Test not applicable");
35#endif
36}
37
38ATF_TC(isinf_basic);
39ATF_TC_HEAD(isinf_basic, tc)
40{
41	atf_tc_set_md_var(tc, "descr", "Verify that isinf(3) works");
42}
43
44ATF_TC_BODY(isinf_basic, tc)
45{
46#if defined(__m68k__)
47	atf_tc_skip("Test not applicable on " MACHINE_ARCH);
48#endif
49
50	/* HUGE_VAL is meant to be an infinity. */
51	ATF_CHECK(isinf(HUGE_VAL) != 0);
52
53	/* HUGE_VALF is the float analog of HUGE_VAL. */
54	ATF_CHECK(isinf(HUGE_VALF) != 0);
55
56	/* HUGE_VALL is the long double analog of HUGE_VAL. */
57	ATF_CHECK(isinf(HUGE_VALL) != 0);
58}
59
60ATF_TP_ADD_TCS(tp)
61{
62	ATF_TP_ADD_TC(tp, isnan_basic);
63	ATF_TP_ADD_TC(tp, isinf_basic);
64
65	return atf_no_error();
66}
67