diff --git a/unit/FileTest.cpp b/unit/FileTest.cpp
index c198e21a..c6ed71a8 100644
--- a/unit/FileTest.cpp
+++ b/unit/FileTest.cpp
@@ -146,3 +146,8 @@ int FileTest::Delete(void)
 	}
 	return TRUE;
 }
+
+size_t FileTest::Size(void)
+{
+	return ::FileSize(_fn.c_str());
+}
diff --git a/unit/FileTest.h b/unit/FileTest.h
index a3d63398..418d0977 100644
--- a/unit/FileTest.h
+++ b/unit/FileTest.h
@@ -24,6 +24,7 @@ public:
 	bool VerifyExists(void);
 	bool Exists(void);
 	int Delete(void);
+	size_t Size(void);
 
 protected:
 	std::string _fn;