M2compiler-V3/compiler/tests/conv_prog.mod

MODULE ConvProg;
(* Conversions: Int/Card/Real <-> string round-trips (BOOLEAN
   shortcuts). Exit 127. *)
IMPORT Conversions;
VAR ExitCode : INTEGER;
VAR s : ARRAY [0 .. 31] OF CHAR;
VAR n : INTEGER;
VAR c : CARDINAL;
VAR x : REAL;
BEGIN
  Conversions.IntToStr(-1234, s);
  IF s[0] = "-" THEN ExitCode := ExitCode + 1 ELSE ExitCode := 100 END;
  IF s[1] = "1" THEN ExitCode := ExitCode + 2 ELSE ExitCode := 100 END;
  IF Conversions.IntVal("42", n) THEN
    IF n = 42 THEN ExitCode := ExitCode + 4 END
  ELSE ExitCode := 100 END;
  IF Conversions.IntVal("-7", n) THEN
    IF n = -7 THEN ExitCode := ExitCode + 8 END
  ELSE ExitCode := 100 END;
  IF NOT Conversions.IntVal("4x", n) THEN
    ExitCode := ExitCode + 16
  ELSE ExitCode := 100 END;
  IF Conversions.CardVal("99", c) THEN
    IF c = 99 THEN ExitCode := ExitCode + 32 END
  ELSE ExitCode := 100 END;
  IF Conversions.RealVal("3.5", x) THEN
    IF x = 3.5 THEN ExitCode := ExitCode + 64 END
  ELSE ExitCode := 100 END
END ConvProg.