How to create a unit test with F# (using MSTest)

Question

I am trying to learn F# via TDD.

However, I am struggling to write my first test:

module MSTest
    open Microsoft.VisualStudio.TestTools.UnitTesting

    [<TestClass>] type CalculatorShould () = 
        [<TestMethod>] member this.''add 1 and 2 with result of 3'' () = Assert.AreEqual(3, 1 + 2)

Any ideas on how to do this?

I receive the following errors:

Error A type definition requires one or more members or other declarations. If you intend to define an empty class, struct or interface, then use 'type ... = class end', 'interface end' or 'struct end'.

Error Unexpected quote symbol in member definition. Expected identifier, '(', '(*)' or other token.

Error 'get' and/or 'set' required c:\Users\Bizmonger\Documents\Visual Studio 2015\Projects\FSharpModel\Tests_MyTest.fs 5 Error This is not a valid numeric literal. Sample formats include 4, 0x4, 0b0100, 4L, 4UL, 4u, 4s, 4us, 4y, 4uy, 4.0, 4.0f, 4I.

Scott Nimrod · Accepted Answer · 2015-11-07 15:09:52Z

1

I was using the wrong set of characters.

I had to replace

''

with

``

answered Nov 7, 2015 at 15:09

Scott Nimrod

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Mark Seemann Over a year ago

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