Tests/RunCMake/set/CacheErrors.cmake - third_party/github.com/Kitware/CMake - Git at Google

 set (var val CACHE)
 set (var val CACHE STRING)
 set (var val CACHE "")
 set (var val CACH3 STRING "" FORCE)
	set (var val CACHE)
	set (var val CACHE STRING)
	set (var val CACHE "")
	set (var val CACH3 STRING "" FORCE)