mirror of
https://github.com/c-cube/ocaml-containers.git
synced 2025-12-06 03:05:28 -05:00
86 lines
2.8 KiB
OCaml
86 lines
2.8 KiB
OCaml
open CCInt32
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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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let eq' = eq ~printer:Q.Print.(list to_string);;
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eq' [ 0l; 1l; 2l; 3l; 4l; 5l ] (range 0l 5l |> Iter.to_list);;
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eq' [ 0l ] (range 0l 0l |> Iter.to_list);;
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eq' [ 5l; 4l; 3l; 2l ] (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 CCInt32.equal
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(CCInt32.range_by ~step:1l i j |> Iter.to_list)
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(CCInt32.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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