--- /dev/null
+/** tests for strspn
+*/
+#include <testfwk.h>
+#include <string.h>
+
+static void
+teststrspn(void)
+{
+ ASSERT( strspn("aabbcd", "ab") == 4);
+ ASSERT( strspn("abbacd", "") == 0);
+ ASSERT( strspn("abbacd", "ac") == 1);
+ ASSERT( strspn("abbacd", "x") == 0);
+ ASSERT( strspn("abbacd", "c") == 0);
+ ASSERT( strspn("abbacd", "cba") == 5);
+ ASSERT( strspn("abbacd", "cdba") == 6);
+}