--- /dev/null
+#include "mbed.h"
+#include "test_env.h"
+
+class DevNull : public Stream {
+public:
+ DevNull(const char *name = NULL) : Stream(name) {}
+
+protected:
+ virtual int _getc() {
+ return 0;
+ }
+ virtual int _putc(int c) {
+ return c;
+ }
+};
+
+DevNull null("null");
+
+int main() {
+ MBED_HOSTTEST_TIMEOUT(20);
+ MBED_HOSTTEST_SELECT(dev_null_auto);
+ MBED_HOSTTEST_DESCRIPTION(stdout redirected to dev null);
+ MBED_HOSTTEST_START("EXAMPLE_1");
+
+ printf("MBED: re-routing stdout to /null\r\n");
+ freopen("/null", "w", stdout);
+ printf("MBED: printf redirected to /null\r\n"); // This shouldn't appear
+ // If failure message can be seen test should fail :)
+ MBED_HOSTTEST_RESULT(false); // This is 'false' on purpose
+}