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Contents
open Core.Std
open OUnit2
open Dominoes
let print_dominoe (d1, d2) = sprintf "(%d,%d)" d1 d2
let option_printer = function
| None -> "None"
| Some xs -> "Some [" ^ String.concat ~sep:";" (List.map xs ~f:print_dominoe) ^ "]"
let drop_1_right xs = List.rev xs |> List.tl_exn |> List.rev
let check_chain (chained: dominoe list) =
let assert_dominoes_match d1 d2 =
if snd d1 <> fst d2 then failwith @@ sprintf "%s and %s cannot be chained together" (print_dominoe d1) (print_dominoe d2) else () in
let consecutives = List.zip_exn (drop_1_right chained) (List.tl_exn chained) in
List.iter consecutives ~f:(fun (d1, d2) -> assert_dominoes_match d1 d2)
let assert_empty c = if List.is_empty c then () else failwith "Expected 0 length chain"
let assert_valid_chain input _ctxt =
match chain input with
| None -> failwith "Expecting a chain"
| Some(c) -> (if List.is_empty input then assert_empty else check_chain) c
let assert_no_chain input _ctxt =
assert_equal None (chain input) ~printer:option_printer
let assert_chain input hasChain =
if hasChain then assert_valid_chain input else assert_no_chain input
let tests = [
(* TEST
"$description" >::
assert_chain $input $expected;
END TEST *)
]
let () =
run_test_tt_main ("dominoes tests" >::: tests)
Version data entries
19 entries across 19 versions & 1 rubygems