[src/trunk]: src/tests/lib/libc/gen Add basic fpsetmask test to exercize sett...

[njoly <njoly%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/4c1d79372cd0
branches:  trunk
changeset: 770515:4c1d79372cd0
user:      njoly <njoly%NetBSD.org@localhost>
date:      Wed Oct 19 15:27:16 2011 +0000

description:
Add basic fpsetmask test to exercize setting/clearing bits.

diffstat:

 tests/lib/libc/gen/t_fpsetmask.c |  24 +++++++++++++++++++++++-
 1 files changed, 23 insertions(+), 1 deletions(-)

diffs (45 lines):

diff -r 66e4d00e7792 -r 4c1d79372cd0 tests/lib/libc/gen/t_fpsetmask.c
--- a/tests/lib/libc/gen/t_fpsetmask.c  Wed Oct 19 15:24:58 2011 +0000
+++ b/tests/lib/libc/gen/t_fpsetmask.c  Wed Oct 19 15:27:16 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: t_fpsetmask.c,v 1.2 2011/10/01 17:46:10 christos Exp $ */
+/*     $NetBSD: t_fpsetmask.c,v 1.3 2011/10/19 15:27:16 njoly Exp $ */
 
 /*-
  * Copyright (c) 1995 The NetBSD Foundation, Inc.
@@ -310,6 +310,27 @@
 TEST(fpsetmask_unmasked, double)
 TEST(fpsetmask_unmasked, long_double)
 
+ATF_TC(fpsetmask_basic);
+ATF_TC_HEAD(fpsetmask_basic, tc)
+{
+       atf_tc_set_md_var(tc, "descr", "A basic test of fpsetmask(3)");
+}
+
+ATF_TC_BODY(fpsetmask_basic, tc)
+{
+       size_t i;
+       fp_except_t msk, lst[] = { FP_X_INV, FP_X_DZ, FP_X_OFL, FP_X_UFL };
+
+       msk = fpgetmask();
+       for (i = 0; i < __arraycount(lst); i++) {
+               fpsetmask(msk | lst[i]);
+               ATF_CHECK((fpgetmask() & lst[i]) != 0);
+               fpsetmask(msk & lst[i]);
+               ATF_CHECK((fpgetmask() & lst[i]) == 0);
+       }
+
+}
+
 #endif /* defined(_FLOAT_IEEE754) */
 
 ATF_TP_ADD_TCS(tp)
@@ -318,6 +339,7 @@
 #ifndef _FLOAT_IEEE754
        ATF_TP_ADD_TC(tp, no_test);
 #else
+       ATF_TP_ADD_TC(tp, fpsetmask_basic);
        ATF_TP_ADD_TC(tp, fpsetmask_masked_float);
        ATF_TP_ADD_TC(tp, fpsetmask_masked_double);
        ATF_TP_ADD_TC(tp, fpsetmask_masked_long_double);