t_isnan.c revision 1.1 
1/* $NetBSD: t_isnan.c,v 1.1 2011/09/19 05:25:50 jruoho 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	/* NAN is meant to be a (float)NaN. */
25	ATF_CHECK(isnan(NAN) != 0);
26	ATF_CHECK(isnan((double)NAN) != 0);
27}
28
29ATF_TC(isinf_basic);
30ATF_TC_HEAD(isinf_basic, tc)
31{
32	atf_tc_set_md_var(tc, "descr", "Verify that isinf(3) works");
33}
34
35ATF_TC_BODY(isinf_basic, tc)
36{
37
38	/* HUGE_VAL is meant to be an infinity. */
39	ATF_CHECK(isinf(HUGE_VAL) != 0);
40
41	/* HUGE_VALF is the float analog of HUGE_VAL. */
42	ATF_CHECK(isinf(HUGE_VALF) != 0);
43
44	/* HUGE_VALL is the long double analog of HUGE_VAL. */
45	ATF_CHECK(isinf(HUGE_VALL) != 0);
46}
47
48ATF_TP_ADD_TCS(tp)
49{
50	const char *arch;
51
52	arch = atf_config_get("atf_arch");
53
54	if (strcmp("vax", arch) == 0 || strcmp("m68000", arch) == 0)
55		atf_tc_skip("Test not applicable on %s", arch);
56	else {
57		ATF_TP_ADD_TC(tp, isnan_basic);
58		ATF_TP_ADD_TC(tp, isinf_basic);
59	}
60
61	return atf_no_error();
62}
63