Squashed 'tmk_core/' changes from 7967731..b9e0ea0

b9e0ea0 Merge commit '7fa9d8bdea3773d1195b04d98fcf27cf48ddd81d' as 'tool/mbed/mbed-sdk'
7fa9d8b Squashed 'tool/mbed/mbed-sdk/' content from commit 7c21ce5

git-subtree-dir: tmk_core
git-subtree-split: b9e0ea08cb940de20b3610ecdda18e9d8cd7c552

1 files changed, 30 insertions, 0 deletions

diff --git a/tool/mbed/mbed-sdk/libraries/tests/mbed/dev_null/main.cpp b/tool/mbed/mbed-sdk/libraries/tests/mbed/dev_null/main.cpp
new file mode 100644
index 0000000000..adde6b8d22
--- /dev/null
+++ b/tool/mbed/mbed-sdk/libraries/tests/mbed/dev_null/main.cpp
@@ -0,0 +1,30 @@
+#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
+}