ocaml/test/Moretest/equality.ml

60 lines
1.9 KiB
OCaml

let test n exp res =
prerr_string "Test "; prerr_int n;
if exp = res then prerr_string " passed.\n" else prerr_string " FAILED.\n";
flush stderr
let x = [1;2;3]
let f x = 1 :: 2 :: 3 :: x
let mklist len =
let l = ref [] in
for i = 1 to len do l := i :: !l done;
!l
type tree = Dummy | Leaf | Node of tree * tree
let rec mktree depth =
if depth <= 0 then Leaf else Node(mktree(depth - 1), mktree(depth - 1))
type 'a leftlist = Nil | Cons of 'a leftlist * 'a
let mkleftlist len =
let l = ref Nil in
for i = 1 to len do l := Cons(!l, i) done;
!l
let _ =
test 1 0 (compare 0 0);
test 2 (-1) (compare 0 1);
test 3 1 (compare 1 0);
test 4 0 (compare max_int max_int);
test 5 (-1) (compare min_int max_int);
test 6 1 (compare max_int min_int);
test 7 0 (compare "foo" "foo");
test 8 (-1) (compare "foo" "zorglub");
test 9 (-1) (compare "abcdef" "foo");
test 10 (-1) (compare "abcdefghij" "abcdefghijkl");
test 11 1 (compare "abcdefghij" "abcdefghi");
test 12 0 (compare (0,1) (0,1));
test 13 (-1) (compare (0,1) (0,2));
test 14 (-1) (compare (0,1) (1,0));
test 15 1 (compare (0,1) (0,0));
test 16 1 (compare (1,0) (0,1));
test 17 0 (compare 0.0 0.0);
test 18 (-1) (compare 0.0 1.0);
test 19 (-1) (compare (-1.0) 0.0);
test 20 0 (compare [| 0.0; 1.0; 2.0 |] [| 0.0; 1.0; 2.0 |]);
test 21 (-1) (compare [| 0.0; 1.0; 2.0 |] [| 0.0; 1.0; 3.0 |]);
test 22 1 (compare [| 0.0; 5.0; 2.0 |] [| 0.0; 1.0; 2.0 |]);
test 23 0 (compare [1;2;3;4] [1;2;3;4]);
test 24 (-1) (compare [1;2;3;4] [1;2;5;6]);
test 25 (-1) (compare [1;2;3;4] [1;2;3;4;5]);
test 26 1 (compare [1;2;3;4] [1;2;3]);
test 27 1 (compare [1;2;3;4] [1;2;0;4]);
test 28 0 (compare (mklist 1000) (mklist 1000));
test 29 0 (compare (mkleftlist 1000) (mkleftlist 1000));
test 30 0 (compare (mktree 12) (mktree 12));
test 31 true (x = f []);
test 32 true (stdout <> stderr)