anchor.diff:  if "%1" equ "--clean" goto arg-build-clean
   if "%1" equ "--config" goto arg-build-config
   if "%1" equ "--platform" goto arg-build-platform
  +if "%1" equ "--skip-unittests" goto arg-skip-unittests
   call :usage && exit /b 1
   
   :arg-build-clean
  
positive.code: call :build-a-solution "%build-root%\bindings\uwp\uwp-binding\Microsoft.Azure.IoT.Gateway.Test.sln" %build-config% %build-platform%
  if not !errorlevel!==0 exit /b !errorlevel!
  
  rem ------------------
  rem -- run unit tests
  
  
negative.code: set build-clean=0
  set build-config=Release
  set build-platform=x86
  set run-unit-tests=1
  
  :args-loop
  if "%1" equ "" goto args-done
  