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t_log.c revision 1.1 
      1 /* $NetBSD: t_log.c,v 1.1 2011/04/10 06:11:47 jruoho Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2011 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Jukka Ruohonen.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 #include <sys/cdefs.h>
     32 __RCSID("$NetBSD: t_log.c,v 1.1 2011/04/10 06:11:47 jruoho Exp $");
     33 
     34 #include <math.h>
     35 
     36 #include <atf-c.h>
     37 
     38 ATF_TC(log_nan);
     39 ATF_TC_HEAD(log_nan, tc)
     40 {
     41 	atf_tc_set_md_var(tc, "descr", "Test NaN from log(3)");
     42 }
     43 
     44 ATF_TC_BODY(log_nan, tc)
     45 {
     46 #ifndef __vax__
     47 
     48 	double d;
     49 	float f;
     50 
     51 	/*
     52 	 * If the argument is negative,
     53 	 * the result should be NaN and
     54 	 * a domain error should follow
     55 	 */
     56 	atf_tc_expect_fail("PR lib/41931");
     57 
     58 	d = log(-1);
     59 	ATF_REQUIRE(isnan(d) != 0);
     60 
     61 	d = log(-INFINITY);
     62 	ATF_REQUIRE(isnan(d) != 0);
     63 
     64 	f = logf(-1);
     65 	ATF_REQUIRE(isnan(f) != 0);
     66 
     67 	f = logf(-INFINITY);
     68 	ATF_REQUIRE(isnan(f) != 0);
     69 #endif
     70 }
     71 
     72 ATF_TP_ADD_TCS(tp)
     73 {
     74 
     75 	ATF_TP_ADD_TC(tp, log_nan);
     76 
     77 	return atf_no_error();
     78 }
     79