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Persimmon の暫定的な assertSeqEquals を書いてみた
(*
* The MIT License (MIT)
*
* Copyright (c) 2016 Kazuhiro Matsushima
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the
* Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH
* THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*)
[<AutoOpen>]
module PersimmonExperimental =
let assertSeqEquals (expected: seq<'T>) (actual: seq<'T>) =
let eLen = Seq.length expected
let aLen = Seq.length actual
let violated message = AssertionResult.NotPassed(NotPassedCause.Violated message)
if eLen <> aLen
then violated <| sprintf "%A ≠ %A\nExpect: length is %d\nActual: length is %d" expected actual eLen aLen
else
let result =
(expected, actual)
||> Seq.zip
|> Seq.map (fun (e, a) -> (e, a, e <> a))
|> Seq.tryFind (fun (_, _, b) -> b)
match result with
| Some (e, a, _) ->
violated <| sprintf "%A ≠ %A\nExpect: %A\nActual: %A" expected actual e a
| None -> AssertionResult.Passed()
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