strtoumax: fix typo in previous commit.

[gnulib.git] / tests / test-truncf-ieee.c

diff --git a/tests/test-truncf-ieee.c b/tests/test-truncf-ieee.c
index 76d0607..b056d2a 100644 (file)
--- a/tests/test-truncf-ieee.c
+++ b/tests/test-truncf-ieee.c
@@ -1,5 +1,5 @@
 /* Test of rounding towards zero.
-   Copyright (C) 2010 Free Software Foundation, Inc.
+   Copyright (C) 2010-2013 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -18,7 +18,10 @@
 
 #include <math.h>
 
+#include "isnanf-nolibm.h"
 #include "minus-zero.h"
+#include "infinity.h"
+#include "nan.h"
 #include "macros.h"
 
 int
@@ -39,5 +42,13 @@ main ()
   ASSERT (!!signbit (truncf (-0.3f)) == !!signbit (minus_zerof));
   ASSERT (!!signbit (truncf (-0.7f)) == !!signbit (minus_zerof));
 
+  /* [MX] shaded specification in POSIX.  */
+
+  /* NaN.  */
+  ASSERT (isnanf (truncf (NaNf ())));
+  /* Infinity.  */
+  ASSERT (truncf (Infinityf ()) == Infinityf ());
+  ASSERT (truncf (- Infinityf ()) == - Infinityf ());
+
   return 0;
 }