mirror of
https://github.com/c-cube/ocaml-containers.git
synced 2025-12-06 03:05:28 -05:00
103 lines
3.1 KiB
OCaml
103 lines
3.1 KiB
OCaml
open CCInt64
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module T = (val Containers_testlib.make ~__FILE__ ())
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include T;;
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t @@ fun () -> pow 2L 10L = 1024L;;
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t @@ fun () -> pow 2L 15L = 32768L;;
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t @@ fun () -> pow 10L 5L = 100000L;;
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t @@ fun () -> pow 42L 0L = 1L;;
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t @@ fun () -> pow 0L 1L = 0L;;
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t @@ fun () -> floor_div 3L 5L = 0L;;
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t @@ fun () -> floor_div 5L 5L = 1L;;
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t @@ fun () -> floor_div 20L 5L = 4L;;
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t @@ fun () -> floor_div 12L 5L = 2L;;
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t @@ fun () -> floor_div 0L 5L = 0L;;
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t @@ fun () -> floor_div (-1L) 5L = -1L;;
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t @@ fun () -> floor_div (-5L) 5L = -1L;;
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t @@ fun () -> floor_div (-12L) 5L = -3L;;
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t @@ fun () -> floor_div 0L (-5L) = 0L;;
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t @@ fun () -> floor_div 3L (-5L) = -1L;;
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t @@ fun () -> floor_div 5L (-5L) = -1L;;
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t @@ fun () -> floor_div 9L (-5L) = -2L;;
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t @@ fun () -> floor_div 20L (-5L) = -4L;;
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t @@ fun () -> floor_div (-2L) (-5L) = 0L;;
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t @@ fun () -> floor_div (-8L) (-5L) = 1L;;
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t @@ fun () -> floor_div (-35L) (-5L) = 7L;;
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t @@ fun () ->
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try
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ignore (floor_div 12L 0L);
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false
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with Division_by_zero -> true
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;;
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t @@ fun () ->
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try
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ignore (floor_div (-12L) 0L);
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false
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with Division_by_zero -> true
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;;
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q
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(Q.pair (Q.map of_int Q.small_signed_int) (Q.map of_int Q.small_nat))
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(fun (n, m) ->
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let m = m + 1L in
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floor_div n m = of_float @@ floor (to_float n /. to_float m))
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;;
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q
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(Q.pair (Q.map of_int Q.small_signed_int) (Q.map of_int Q.small_nat))
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(fun (n, m) ->
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let m = m + 1L in
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floor_div n (-m) = of_float @@ floor (to_float n /. to_float (-m)))
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;;
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eq
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~printer:Q.Print.(list to_string)
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[ 0L; 1L; 2L; 3L; 4L; 5L ]
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(range 0L 5L |> Iter.to_list)
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;;
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eq ~printer:Q.Print.(list to_string) [ 0L ] (range 0L 0L |> Iter.to_list);;
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eq
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~printer:Q.Print.(list to_string)
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[ 5L; 4L; 3L; 2L ]
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(range 5L 2L |> Iter.to_list)
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(* note: the last test checks that no error occurs due to overflows. *)
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let eq' = eq ~printer:Q.Print.(list to_string);;
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eq' [ 0L ] (range_by ~step:1L 0L 0L |> Iter.to_list);;
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eq' [] (range_by ~step:1L 5L 0L |> Iter.to_list);;
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eq' [] (range_by ~step:2L 1L 0L |> Iter.to_list);;
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eq' [ 0L; 2L; 4L ] (range_by ~step:2L 0L 4L |> Iter.to_list);;
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eq' [ 0L; 2L; 4L ] (range_by ~step:2L 0L 5L |> Iter.to_list);;
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eq' [ 0L ] (range_by ~step:(neg 1L) 0L 0L |> Iter.to_list);;
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eq' [] (range_by ~step:(neg 1L) 0L 5L |> Iter.to_list);;
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eq' [] (range_by ~step:(neg 2L) 0L 1L |> Iter.to_list);;
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eq' [ 5L; 3L; 1L ] (range_by ~step:(neg 2L) 5L 1L |> Iter.to_list);;
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eq' [ 5L; 3L; 1L ] (range_by ~step:(neg 2L) 5L 0L |> Iter.to_list);;
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eq' [ 0L ] (range_by ~step:max_int 0L 2L |> Iter.to_list);;
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q
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Q.(pair (map of_int small_int) (map of_int small_int))
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(fun (i, j) ->
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let i = min i j and j = max i j in
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CCList.equal CCInt64.equal
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(CCInt64.range_by ~step:1L i j |> Iter.to_list)
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(CCInt64.range i j |> Iter.to_list))
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;;
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eq ~printer:CCFun.id "0b111" (to_string_binary 7L);;
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eq ~printer:CCFun.id "-0b111" (to_string_binary (-7L));;
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eq ~printer:CCFun.id "0b0" (to_string_binary 0L)
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let eq' = eq ~printer:CCInt.to_string;;
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eq' 0 (popcount 0L);;
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eq' 1 (popcount 1L);;
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eq' 63 (popcount max_int);;
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eq' 1 (popcount min_int);;
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eq' 10 (popcount 0b1110010110110001010L);;
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eq' 5 (popcount 0b1101110000000000L)
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