Windows Unit Test Support (#629)

Window Unit Test Support

tests/unit/test_ncp_buffer.cpp

@@ -36,14 +36,6 @@ namespace Thread {
 
 // This module implements unit-test for NcpFrameBuffer class.
 
-extern"C" void otSignalTaskletPending(otInstance *)
-{
-}
-
-extern "C" void otPlatDiagAlarmFired(otInstance *)
-{
-}
-
 enum
 {
     kTestBufferSize = 101,         // Size of backed buffer for NcpFrameBuffer.
@@ -468,9 +460,11 @@ void TestNcpFrameBuffer(void)
 
 }  // namespace Thread
 
+#ifdef ENABLE_TEST_MAIN
 int main(void)
 {
     Thread::TestNcpFrameBuffer();
     printf("\nAll tests passed.\n");
     return 0;
 }
+#endif