// Declaration, assignment, concatenation tests define string a = "Manip" define string b = "s" define string c = "de" define string d = "RV" define string e = a + b define string f = a + b + " " + c + " "+ d // Comparison tests if e == f then error e " == " f else if e > f then error e " > " f end end if e <= a then error e " <= " a end set b = a if a != b then error a " != " b end if !(a >= b) then error a " < " b end define float x = 0.245 define string s = format("%8.5f", x) if s != " 0.24500" then error "format '" s "'" end print "========= test_string passed OK" quit