1 " Check the most basic functionality
 2 function! TestBaseCase()
 3   call VUAssertEquals(example#diff(0,0),0)
 4 endfunction
 5 
 6 " Try one basic comparison
 7 function! TestGreater()
 8   call VUAssertEquals(example#diff(3,2),1)
 9   call VUAssertEquals(example#diff(2,3),1)
10 endfunction