63 lines
1.2 KiB
C
63 lines
1.2 KiB
C
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/* $NetBSD: t_isnan.c,v 1.1 2011/09/19 05:25:50 jruoho Exp $ */
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/*
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* This file is in the Public Domain.
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*
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* The nan test is blatently copied by Simon Burge from the infinity
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* test by Ben Harris.
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*/
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#include <atf-c.h>
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#include <atf-c/config.h>
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#include <math.h>
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#include <string.h>
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ATF_TC(isnan_basic);
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ATF_TC_HEAD(isnan_basic, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Verify that isnan(3) works");
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}
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ATF_TC_BODY(isnan_basic, tc)
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{
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/* NAN is meant to be a (float)NaN. */
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ATF_CHECK(isnan(NAN) != 0);
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ATF_CHECK(isnan((double)NAN) != 0);
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}
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ATF_TC(isinf_basic);
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ATF_TC_HEAD(isinf_basic, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Verify that isinf(3) works");
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}
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ATF_TC_BODY(isinf_basic, tc)
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{
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/* HUGE_VAL is meant to be an infinity. */
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ATF_CHECK(isinf(HUGE_VAL) != 0);
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/* HUGE_VALF is the float analog of HUGE_VAL. */
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ATF_CHECK(isinf(HUGE_VALF) != 0);
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/* HUGE_VALL is the long double analog of HUGE_VAL. */
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ATF_CHECK(isinf(HUGE_VALL) != 0);
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}
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ATF_TP_ADD_TCS(tp)
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{
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const char *arch;
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arch = atf_config_get("atf_arch");
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if (strcmp("vax", arch) == 0 || strcmp("m68000", arch) == 0)
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atf_tc_skip("Test not applicable on %s", arch);
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else {
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ATF_TP_ADD_TC(tp, isnan_basic);
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ATF_TP_ADD_TC(tp, isinf_basic);
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}
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return atf_no_error();
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}
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