Added Size routine

git-svn-id: svn://136.177.114.72/svn_GW/IPhreeqc/branches/multi_punch@7976 1feff8c3-07ed-0310-ac33-dd36852eb9cd

unit/FileTest.cpp

@@ -146,3 +146,8 @@ int FileTest::Delete(void)
 	}
 	return TRUE;
 }
+
+size_t FileTest::Size(void)
+{
+	return ::FileSize(_fn.c_str());
+}

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;