More tests for external charater sequences representing NaNs.

2 files changed, 16 insertions, 0 deletions

diff --git a/stdlib/Makefile b/stdlib/Makefile
index 6f98c71c64..27765d15b7 100644
--- a/stdlib/Makefile
+++ b/stdlib/Makefile
@@ -157,6 +157,7 @@ $(objpfx)bug-getcontext: $(link-libm)
 $(objpfx)tst-strtod-round: $(link-libm)
 $(objpfx)tst-tininess: $(link-libm)
 $(objpfx)tst-strtod-underflow: $(link-libm)
+$(objpfx)tst-strtod6: $(link-libm)
 
 tst-tls-atexit-lib.so-no-z-defs = yes
 
diff --git a/stdlib/tst-strtod6.c b/stdlib/tst-strtod6.c
index fdb104f9ca..1d87266a27 100644
--- a/stdlib/tst-strtod6.c
+++ b/stdlib/tst-strtod6.c
@@ -16,6 +16,11 @@ do_test (void)
       puts ("strtod did not return NAN");
       result = 1;
     }
+  if (issignaling (d))
+    {
+      puts ("strtod returned a sNAN");
+      result = 1;
+    }
   if (strcmp (endp, "something") != 0)
     {
       puts  ("strtod set incorrect end pointer");
@@ -28,6 +33,11 @@ do_test (void)
       puts ("strtof did not return NAN");
       result = 1;
     }
+  if (issignaling (f))
+    {
+      puts ("strtof returned a sNAN");
+      result = 1;
+    }
   if (strcmp (endp, "something") != 0)
     {
       puts  ("strtof set incorrect end pointer");
@@ -40,6 +50,11 @@ do_test (void)
       puts ("strtold did not return NAN");
       result = 1;
     }
+  if (issignaling (ld))
+    {
+      puts ("strtold returned a sNAN");
+      result = 1;
+    }
   if (strcmp (endp, "something") != 0)
     {
       puts  ("strtold set incorrect end pointer");