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-rw-r--r--src/libstrongswan/tests/test_printf.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/src/libstrongswan/tests/test_printf.c b/src/libstrongswan/tests/test_printf.c
index a7b19d96e..6c15fbea1 100644
--- a/src/libstrongswan/tests/test_printf.c
+++ b/src/libstrongswan/tests/test_printf.c
@@ -16,6 +16,7 @@
#include "test_suite.h"
#include <errno.h>
+#include <math.h>
static void verify(char *expected, char *format, ...)
{
@@ -133,6 +134,19 @@ START_TEST(test_printf_float)
verify("-1.12", "%.2f", -1.1249);
verify("-1.124", "%.3f", -1.12351);
verify("-1.123", "%.3f", -1.12349);
+
+#ifdef NAN
+ verify("nan", "%.3f", NAN);
+ verify(" nan", "%5.3f", NAN);
+ verify("NAN", "%.3F", NAN);
+ verify("NAN ", "%-5.3F", NAN);
+#endif
+#ifdef INFINITY
+ verify("inf", "%.3f", INFINITY);
+ verify("-inf", "%.4f", -INFINITY);
+ verify("INF", "%.3F", INFINITY);
+ verify("-INF", "%.4F", -INFINITY);
+#endif
}
END_TEST