public void OverridesObjectEquals()
{
var equals = ClosedMonadType.GetMethodsWithParameters()
.Where(x => x.Method.Name == "Equals")
.Single(x => x.Parameters.Count == 1 && x.Parameters[0].ParameterType == typeof(object));
Assert.IsTrue(equals.Method.DeclaringType == ClosedMonadType);
}
public void NoMethods_OnMonadType_ContainOptionalArguments()
{
var methods = ClosedMonadType.GetMethodsWithParameters().ToArray();
Assert.IsTrue(methods.Length > 0);
var outcome = methods.SelectMany(x => x.Parameters.Select(y =>
Outcome.FailIf(y.IsDefined(typeof(OptionalAttribute), true), String.Format("{0}.{1}.{2} is optional.", ClosedMonadType.Name, x.Method.Name, y.Name))))
.Combine();
Assert.IsTrue(outcome.WasSuccessful, outcome.Observations.Delimit("\r\n"));
}
public void Constructor_ThrowsArgumentNullException_WhenConstructedWithNullComputationFunction()
{
var c = ClosedMonadType.GetConstructorsWithParameters()
.Single(x => x.Parameters.Count == 1 &&
x.Parameters[0].ParameterType == typeof(Func <>).MakeGenericType(ClosedMonadType))
.Method;
var ex = Assert.Throws <TargetInvocationException>(() => c.Invoke(new object[] { null }));
var anex = ex.InnerException as ArgumentNullException;
Assert.IsNotNull(anex);
Assert.AreEqual("computation", anex.ParamName);
}
