ocaml-containers/tests/data/t_bitfield.ml
2022-07-02 14:47:03 -04:00

59 lines
1.3 KiB
OCaml

module Test = (val Containers_testlib.make ~__FILE__())
open Test
open CCBitField;;
t @@ fun () ->
let module B = CCBitField.Make(struct end) in
let x = B.mk_field () in
let y = B.mk_field () in
let z = B.mk_field () in
let f = B.empty |> B.set x true |> B.set y true in
assert_bool "z_false" (not (B.get z f)) ;
assert_bool "z_true" (f |> B.set z true |> B.get z);
true;;
t @@ fun () ->
let module B = CCBitField.Make(struct end) in
let _ = B.mk_field () in
B.freeze();
assert_bool "must raise"
(try ignore (B.mk_field()); false with Frozen -> true);
true;;
t @@ fun () ->
let module B = CCBitField.Make(struct end) in
let x = B.mk_field () in
let y = B.mk_field () in
let z = B.mk_field () in
let u = B.mk_field () in
B.freeze();
let f = B.empty
|> B.set y true
|> B.set z true
in
assert_equal ~printer:CCInt.to_string 6 (f :> int) ;
assert_equal false (B.get x f) ;
assert_equal true (B.get y f) ;
assert_equal true (B.get z f);
let f' = B.set u true f in
assert_equal false (B.get x f') ;
assert_equal true (B.get y f') ;
assert_equal true (B.get z f');
assert_equal true (B.get u f');
true;;
t @@ fun () -> all_bits_ 0 1 = 1;;
t @@ fun () -> all_bits_ 0 2 = 3;;
t @@ fun () -> all_bits_ 0 3 = 7;;
t @@ fun () -> all_bits_ 0 4 = 15;;