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