t_isnan.c revision 272343 
1/* $NetBSD: t_isnan.c,v 1.4 2014/02/09 21:26:07 jmmv 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#include <atf-c/config.h>
14
15#include <math.h>
16#include <string.h>
17
18ATF_TC(isnan_basic);
19ATF_TC_HEAD(isnan_basic, tc)
20{
21	atf_tc_set_md_var(tc, "descr", "Verify that isnan(3) works");
22}
23
24ATF_TC_BODY(isnan_basic, tc)
25{
26#if defined(__m68k__)
27	atf_tc_skip("Test not applicable on " MACHINE_ARCH);
28#endif
29
30#ifdef NAN
31	/* NAN is meant to be a (float)NaN. */
32	ATF_CHECK(isnan(NAN) != 0);
33	ATF_CHECK(isnan((double)NAN) != 0);
34#else
35	atf_tc_skip("Test not applicable");
36#endif
37}
38
39ATF_TC(isinf_basic);
40ATF_TC_HEAD(isinf_basic, tc)
41{
42	atf_tc_set_md_var(tc, "descr", "Verify that isinf(3) works");
43}
44
45ATF_TC_BODY(isinf_basic, tc)
46{
47#if defined(__m68k__)
48	atf_tc_skip("Test not applicable on " MACHINE_ARCH);
49#endif
50
51	/* HUGE_VAL is meant to be an infinity. */
52	ATF_CHECK(isinf(HUGE_VAL) != 0);
53
54	/* HUGE_VALF is the float analog of HUGE_VAL. */
55	ATF_CHECK(isinf(HUGE_VALF) != 0);
56
57	/* HUGE_VALL is the long double analog of HUGE_VAL. */
58	ATF_CHECK(isinf(HUGE_VALL) != 0);
59}
60
61ATF_TP_ADD_TCS(tp)
62{
63	ATF_TP_ADD_TC(tp, isnan_basic);
64	ATF_TP_ADD_TC(tp, isinf_basic);
65
66	return atf_no_error();
67}
68