t_isnan.c revision 1.2 
1/* $NetBSD: t_isnan.c,v 1.2 2013/09/16 15:22:51 martin 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 <atf-c.h>
11#include <atf-c/config.h>
12
13#include <math.h>
14#include <string.h>
15
16ATF_TC(isnan_basic);
17ATF_TC_HEAD(isnan_basic, tc)
18{
19	atf_tc_set_md_var(tc, "descr", "Verify that isnan(3) works");
20}
21
22ATF_TC_BODY(isnan_basic, tc)
23{
24#ifdef NAN
25	/* NAN is meant to be a (float)NaN. */
26	ATF_CHECK(isnan(NAN) != 0);
27	ATF_CHECK(isnan((double)NAN) != 0);
28#endif
29}
30
31ATF_TC(isinf_basic);
32ATF_TC_HEAD(isinf_basic, tc)
33{
34	atf_tc_set_md_var(tc, "descr", "Verify that isinf(3) works");
35}
36
37ATF_TC_BODY(isinf_basic, tc)
38{
39
40	/* HUGE_VAL is meant to be an infinity. */
41	ATF_CHECK(isinf(HUGE_VAL) != 0);
42
43	/* HUGE_VALF is the float analog of HUGE_VAL. */
44	ATF_CHECK(isinf(HUGE_VALF) != 0);
45
46	/* HUGE_VALL is the long double analog of HUGE_VAL. */
47	ATF_CHECK(isinf(HUGE_VALL) != 0);
48}
49
50ATF_TP_ADD_TCS(tp)
51{
52	const char *arch;
53
54	arch = atf_config_get("atf_arch");
55
56	if (strcmp("m68000", arch) == 0)
57		atf_tc_skip("Test not applicable on %s", arch);
58	else {
59#ifdef NAN
60		ATF_TP_ADD_TC(tp, isnan_basic);
61#endif
62		ATF_TP_ADD_TC(tp, isinf_basic);
63	}
64
65	return atf_no_error();
66}
67