1 /* $NetBSD: t_isnan.c,v 1.3 2013/09/16 15:33:24 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 16 ATF_TC(isnan_basic); 17 ATF_TC_HEAD(isnan_basic, tc) 18 { 19 atf_tc_set_md_var(tc, "descr", "Verify that isnan(3) works"); 20 } 21 22 ATF_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 #else 29 atf_tc_skip("Test not applicable"); 30 #endif 31 } 32 33 ATF_TC(isinf_basic); 34 ATF_TC_HEAD(isinf_basic, tc) 35 { 36 atf_tc_set_md_var(tc, "descr", "Verify that isinf(3) works"); 37 } 38 39 ATF_TC_BODY(isinf_basic, tc) 40 { 41 42 /* HUGE_VAL is meant to be an infinity. */ 43 ATF_CHECK(isinf(HUGE_VAL) != 0); 44 45 /* HUGE_VALF is the float analog of HUGE_VAL. */ 46 ATF_CHECK(isinf(HUGE_VALF) != 0); 47 48 /* HUGE_VALL is the long double analog of HUGE_VAL. */ 49 ATF_CHECK(isinf(HUGE_VALL) != 0); 50 } 51 52 ATF_TP_ADD_TCS(tp) 53 { 54 const char *arch; 55 56 arch = atf_config_get("atf_arch"); 57 58 if (strcmp("m68000", arch) == 0) 59 atf_tc_skip("Test not applicable on %s", arch); 60 else { 61 ATF_TP_ADD_TC(tp, isnan_basic); 62 ATF_TP_ADD_TC(tp, isinf_basic); 63 } 64 65 return atf_no_error(); 66 } 67