Add some integration tests

tests/test_UpdateFile.cmd

@@ -0,0 +1,49 @@
+
+:: Prepare test 
+set testName=%~n0
+set testDir=tmp\%testName%
+IF EXIST %testDir%.A rmdir %testDir%.A /S /Q
+IF EXIST %testDir%.B rmdir %testDir%.B /S /Q
+IF EXIST %testDir%.txt del %testDir%.txt
+
+echo:Start> %testDir%.txt
+IF NOT EXIST tmp md tmp
+md %testDir%.A
+md %testDir%.B
+
+:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
+
+echo:Uno> %testDir%.A\Uno.txt
+echo:Dos> %testDir%.A\Dos.txt
+..\filesync.exe sync %testDir%.A %testDir%.B >> %testDir%.txt
+
+ping 127.0.0.1 -n 6 > nul
+
+echo:Updated>> %testDir%.A\Uno.txt
+..\filesync.exe sync %testDir%.A %testDir%.B >> %testDir%.txt
+
+:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
+
+..\filesync.exe read %testDir%.A/nodesFile.fs >> %testDir%.txt
+..\filesync.exe read %testDir%.B/nodesFile.fs >> %testDir%.txt
+ 
+:: Check test results
+
+IF NOT EXIST %testDir%.A\Uno.txt goto error
+IF NOT EXIST %testDir%.A\Dos.txt goto error
+
+IF NOT EXIST %testDir%.B\Uno.txt goto error
+IF NOT EXIST %testDir%.B\Dos.txt goto error
+
+FC %testDir%.A\Uno.txt %testDir%.B\Uno.txt >NUL || goto error
+
+:: Display test result
+goto end
+:error
+echo:Test %testName% Failed...>> %testDir%.txt
+echo:Test %testName% Failed...
+goto eof
+:end
+echo:Test %testName% OK!>> %testDir%.txt
+echo:Test %testName% OK!
+:eof