main.cpp

00001 #include "mbed.h"
00002 #include "test_env.h"
00003 
00004 class DevNull : public Stream {
00005 public:
00006     DevNull(const char *name = NULL) : Stream(name) {}
00007 
00008 protected:
00009     virtual int _getc() {
00010         return 0;
00011     }
00012     virtual int _putc(int c) {
00013         return c;
00014     }
00015 };
00016 
00017 DevNull null("null");
00018 
00019 int main() {
00020     MBED_HOSTTEST_TIMEOUT(20);
00021     MBED_HOSTTEST_SELECT(dev_null_auto);
00022     MBED_HOSTTEST_DESCRIPTION(stdout redirected to dev null);
00023     MBED_HOSTTEST_START("EXAMPLE_1");
00024     
00025     printf("MBED: re-routing stdout to /null\r\n");
00026     freopen("/null", "w", stdout);
00027     printf("MBED: printf redirected to /null\r\n");   // This shouldn't appear
00028     // If failure message can be seen test should fail :)
00029     MBED_HOSTTEST_RESULT(false);   // This is 'false' on purpose
00030 }