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Demonstrate asserting a function returns Some using Unquote
//here is the function we'd like to test
let testedFunc() = None:option<int>
//here is our Unquote assertion function (using, but can use any unit testing framework such as NUnit)
let ``tested func does not return None`` () =
test <@ testedFunc() |> Option.isSome @>
//here is the output from the failing assertion
Test 'TestModule.tested func does not return None' failed:
testedFunc() |> Option.isSome
None |> Option.isSome
C:\TestModule.fs(964,0): at TestModule.tested func does not return None()
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