Private Function MaxRealVerify()
    ' Test the MaxReal function.

    Debug.Assert MaxReal(2, 0, -2) = 2
    Debug.Assert MaxReal(-2, 2, 0) = 2
    Debug.Assert MaxReal(0, -2, 2) = 2
    Debug.Assert MaxReal(-4, -2.2, 0, 2.2, 4) = 4
    Debug.Assert MaxReal(4, -2.2, 0, 2.2, -4) = 4

    ' Return leftmost argument.
    Debug.Assert VarType(MaxReal(2&, 2#, 2!)) = vbLong
    Debug.Assert VarType(MaxReal(2#, 2!, 2&)) = vbDouble
    Debug.Assert VarType(MaxReal(2!, 2&, 2#)) = vbSingle

    ' Perform Binary comparisons.
    Debug.Assert MaxReal("Joe", "JOE", "Bud") = "Joe"
    Debug.Assert MaxReal("Bud", "Joe", "JOE") = "Joe"
    Debug.Assert MaxReal("JOE", "Bud", "Joe") = "Joe"

End Function