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MODULE testcomparisons ;
FROM libc IMPORT printf, exit ;
FROM Builtins IMPORT isgreater, isless, islessequal, isgreaterequal ;
FROM SYSTEM IMPORT ADR ;
(*
assert -
*)
PROCEDURE assert (value: BOOLEAN; message: ARRAY OF CHAR) ;
BEGIN
IF NOT value
THEN
printf ("test failed: %s\n", ADR (message)) ;
code := 1
END
END assert ;
(*
test -
*)
PROCEDURE test ;
VAR
result: INTEGER ;
BEGIN
result := isgreater (2.0, 1.0) ;
printf ("isgreater (2.0, 1.0) = %d\n", result) ;
assert (result = 1, "isgreater (2.0, 1.0) # 1") ;
result := isless (1.0, 2.0) ;
printf ("isless (1.0, 2.0) = %d\n", result) ;
assert (result = 1, "isless (1.0, 2.0) # 1") ;
result := islessequal (1.0, 2.0) ;
printf ("islessequal (1.0, 2.0) = %d\n", result) ;
assert (result = 1, "islessequal (1.0, 2.0) # 1") ;
result := isgreaterequal (2.0, 1.0) ;
printf ("isgreaterequal (2.0, 1.0) = %d\n", result) ;
assert (result = 1, "isgreatereequal (2.0, 1.0) # 1") ;
result := isgreater (1.0, 2.0) ;
printf ("isgreater (1.0, 2.0) = %d\n", result) ;
assert (result = 0, "isgreater (1.0, 2.0) # 0") ;
result := isless (2.0, 1.0) ;
printf ("isless (2.0, 1.0) = %d\n", result) ;
assert (result = 0, "isless (2.0, 1.0) # 0") ;
result := islessequal (2.0, 1.0) ;
printf ("islessequal (2.0, 1.0) = %d\n", result) ;
assert (result = 0, "islessequal (2.0, 1.0) # 0") ;
result := isgreaterequal (1.0, 2.0) ;
printf ("isgreaterequal (1.0, 2.0) = %d\n", result) ;
assert (result = 0, "isgreatereequal (1.0, 2.0) # 1")
END test ;
VAR
code: INTEGER ;
BEGIN
code := 0 ;
test ;
IF code = 0
THEN
printf ("all tests pass\n")
ELSE
printf ("some tests failed\n")
END ;
exit (code)
END testcomparisons.
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