public void AddArgument_DoublePassedIntExpected_TypeConverted()
{
var function = new FunctionCall(typeof(FakeFunctions).GetMethod("Round"));
function.AddArgument(21.21d);
function.AddArgument(0d);
Assert.That(function.Arguments.Last(), Is.InstanceOf <int>());
}
public void AddArgument_TooMuchArguments_Throws()
{
var function = new FunctionCall(typeof(FakeFunctions).GetMethod("Double"));
function.AddArgument(1);
var ex = Assert.Throws <InvalidOperationException>(() => function.AddArgument(2));
Assert.That(ex.Message, Does.Contain("parameter count mismatch"));
}
public void Invoke_DoublePassedIntExpected_InvokeSucceeds()
{
var function = new FunctionCall(typeof(FakeFunctions).GetMethod("Round"));
function.AddArgument(21.21d);
function.AddArgument(0d);
var result = function.Invoke();
Assert.That(result, Is.EqualTo(21));
}
public void AddArgument_Null_Accepted()
{
var function = new FunctionCall(typeof(FakeFunctions).GetMethod("Count"));
function.AddArgument(null);
Assert.That(function.Arguments.Last(), Is.Null);
}
public void AddArgument_ImplementedInterfaceExpected_ArgumentExpected()
{
var function = new FunctionCall(typeof(FakeFunctions).GetMethod("Count"));
function.AddArgument(FigureSeries.Empty);
Assert.That(function.Arguments.Last(), Is.InstanceOf <FigureSeries>());
}
public void AddArgument_IntPassedDoubleExpected_TypeConverted()
{
var function = new FunctionCall(typeof(FakeFunctions).GetMethod("Double"));
function.AddArgument(21);
Assert.That(function.Arguments.First(), Is.InstanceOf <double>());
}
public void Invoke_IntPassedDoubleExpected_InvokeSucceeds()
{
var function = new FunctionCall(typeof(FakeFunctions).GetMethod("Double"));
function.AddArgument(21);
var result = function.Invoke();
Assert.That(result, Is.EqualTo(42));
}