anchor.diff:      let ``Unchecked.hash int`` () = <@ hash 1 @> |> check 1
   
       [<Test>]
  -    let ``Unchecked.equals int int`` () = <@ equals 1 1 @> |> check true+    let ``Unchecked.equals int int`` () = <@ equals 1 1 @> |> check true
  +
  +    [<Test>]
  +    let ``Unchecked.compare char char`` () = <@ compare 'a' 'a' @> |> check 0
  +
  +    [<Test>]
  +    let ``Unchecked.hash char char`` () = <@ hash 'c' @> |> check (hash 'c')
  +
  +    [<Test>]
  +    let ``Unchecked.equals char char`` () = <@ equals 'c' 'c' @> |> check true
  +
  +    [<Test>]
  +    let ``Unchecked.defaultof char`` () = <@ defaultof<char> @> |> check defaultof<char>
  
positive.code: 
    [<Test>]
    let ``ignore int[]`` () = <@ ignore [|10|] @> |> check ()
  
    [<Test>]
    let ``invalidArg string string`` () =
  
negative.code:   let ``box int[]`` () = <@ box [|10|] @> |> check (box [|10|])
  
    [<Test>]
    let ``box char`` () = <@ box 'a' @> |> check (box 'a')
  
    [<Test>]
    let ``failwith string`` () = <@ failwith "str" @> |> checkExnType typeof<exn>
  
    [<Test>]
  