roundl-ieee tests: More tests.

* tests/test-roundl-ieee.c: Include isnanl-nolibm.h, infinity.h, nan.h.
(main): Add tests for [MX] shaded specification in POSIX.
* modules/roundl-ieee-tests (Files): Add tests/infinity.h, tests/nan.h.
(Depends-on): Add isnanl-nolibm.

3 files changed, 20 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index 7aaa92e82b..7baefc879e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,11 @@
 2012-02-26  Bruno Haible  <bruno@clisp.org>
 
+	roundl-ieee tests: More tests.
+	* tests/test-roundl-ieee.c: Include isnanl-nolibm.h, infinity.h, nan.h.
+	(main): Add tests for [MX] shaded specification in POSIX.
+	* modules/roundl-ieee-tests (Files): Add tests/infinity.h, tests/nan.h.
+	(Depends-on): Add isnanl-nolibm.
+
 	round-ieee tests: More tests.
 	* tests/test-round-ieee.c: Include isnand-nolibm.h, infinity.h, nan.h.
 	(main): Add tests for [MX] shaded specification in POSIX.
diff --git a/modules/roundl-ieee-tests b/modules/roundl-ieee-tests
index 47cdf60015..fe624ba8e2 100644
--- a/modules/roundl-ieee-tests
+++ b/modules/roundl-ieee-tests
@@ -1,9 +1,12 @@
 Files:
 tests/test-roundl-ieee.c
 tests/minus-zero.h
+tests/infinity.h
+tests/nan.h
 tests/macros.h
 
 Depends-on:
+isnanl-nolibm
 float
 signbit
 
diff --git a/tests/test-roundl-ieee.c b/tests/test-roundl-ieee.c
index a6a4ad8742..d841645939 100644
--- a/tests/test-roundl-ieee.c
+++ b/tests/test-roundl-ieee.c
@@ -19,7 +19,10 @@
 #include <math.h>
 
 #include "fpucw.h"
+#include "isnanl-nolibm.h"
 #include "minus-zero.h"
+#include "infinity.h"
+#include "nan.h"
 #include "macros.h"
 
 int
@@ -44,5 +47,13 @@ main ()
   ASSERT (!!signbit (roundl (-0.3L)) == !!signbit (minus_zerol));
   ASSERT (!!signbit (roundl (-0.7L)) == !!signbit (minus_zerol));
 
+  /* [MX] shaded specification in POSIX.  */
+
+  /* NaN.  */
+  ASSERT (isnanl (roundl (NaNl ())));
+  /* Infinity.  */
+  ASSERT (roundl (Infinityl ()) == Infinityl ());
+  ASSERT (roundl (- Infinityl ()) == - Infinityl ());
+
   return 0;
 }