public void NoMethodProvided_ReturnsDefault(object[]?prms)
{
var expected = Guid.NewGuid();
var cb = new CallbackInvocation();
var actual = cb.Invoke(prms, expected);
Assert.Equal(expected, actual);
}
public void FunctionParametersCountMismatch_Throws(Type exceptionType, object[]?prms)
{
string SomeMethod(object a, object b) => "zzz";
var cb = new CallbackInvocation();
cb.Method = new Func <object, object, string>(SomeMethod);
Assert.Throws(exceptionType, () => cb.Invoke(prms));
}
public void ReturnTypeMismatch_Throws()
{
CallbackInvocation SomeMethod() => null !;
var cb = new CallbackInvocation();
cb.Method = new Func <CallbackInvocation>(SomeMethod);
Assert.Throws <ArgumentException>(() => cb.Invoke(null, "abc"));
}
public void ActionParametersCountMismatch_Throws(Type exceptionType, object[]?prms)
{
void SomeMethod(object a, object b)
{
}
var cb = new CallbackInvocation();
cb.Method = new Action <object, object>(SomeMethod);
Assert.Throws(exceptionType, () => cb.Invoke(prms));
}
public void InvokesActionWithoutParams(object[]?prms)
{
int invoked = 0;
void SomeMethod() => invoked++;
var cb = new CallbackInvocation();
cb.Method = new Action(SomeMethod);
cb.Invoke(prms);
Assert.Equal(1, invoked);
}
public void InvokesFunctionWithoutParams(object[]?prms)
{
var expected = Guid.NewGuid();
int invoked = 0;
Guid SomeMethod()
{
invoked++; return(expected);
}
var cb = new CallbackInvocation();
cb.Method = new Func <Guid>(SomeMethod);
var actual = cb.Invoke <Guid>(prms, default);
Assert.Equal(1, invoked);
Assert.Equal(expected, actual);
}
public void NoMethodProvided_Successful(object[]?prms)
{
var cb = new CallbackInvocation();
cb.Invoke(prms);
}