fd: Implement managed file descriptor support

Change-Id: I0c5c438aa2c31ae52e115951b3fb1e85df182fd1
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/test/fd/mock.cpp b/test/fd/mock.cpp
new file mode 100644
index 0000000..0cc6dfd
--- /dev/null
+++ b/test/fd/mock.cpp
@@ -0,0 +1,12 @@
+#include <gtest/gtest.h>
+#include <stdplus/fd/gmock.hpp>
+
+namespace stdplus
+{
+
+TEST(Mock, Instantiate)
+{
+    FdMock fd;
+}
+
+} // namespace stdplus