public void SetterAllowsInPlaceModificationOfParameters()
{
var context = new EndpointFilterInvocationContext <string, int, bool, Todo>(new DefaultHttpContext(), "This is a test", 42, false, new Todo());
context[0] = "Foo";
Assert.Equal("Foo", context.GetArgument <string>(0));
}
public void ProhibitsActionsThatModifyListSize()
{
var context = new EndpointFilterInvocationContext <string, int, bool>(new DefaultHttpContext(), "This is a test", 42, false);
Assert.Throws <NotSupportedException>(() => context.Add("string"));
Assert.Throws <NotSupportedException>(() => context.Insert(0, "string"));
Assert.Throws <NotSupportedException>(() => context.RemoveAt(0));
Assert.Throws <NotSupportedException>(() => context.Remove("string"));
Assert.Throws <NotSupportedException>(() => context.Clear());
}
public void HandlesMismatchedNullabilityOnTypeParams()
{
var context = new EndpointFilterInvocationContext <string?, int?, bool?, Todo?>(new DefaultHttpContext(), null, null, null, null);
// Mismatched reference types will resolve as null
Assert.Null(context.GetArgument <string>(0));
Assert.Null(context.GetArgument <Todo>(3));
// Mismatched value types will throw
Assert.Throws <NullReferenceException>(() => context.GetArgument <int>(1));
Assert.Throws <NullReferenceException>(() => context.GetArgument <bool>(2));
}
public void ThrowsExceptionForInvalidCastOnGetArgument()
{
var context = new EndpointFilterInvocationContext <string, int, bool, Todo>(new DefaultHttpContext(), "This is a test", 42, false, new Todo());
Assert.Throws <InvalidCastException>(() => context.GetArgument <string>(1));
Assert.Throws <InvalidCastException>(() => context.GetArgument <int>(0));
Assert.Throws <InvalidCastException>(() => context.GetArgument <string>(3));
var todo = context.GetArgument <ITodo>(3);
Assert.IsType <Todo>(todo);
}
public void AllowsEnumerationOfParameters()
{
var context = new EndpointFilterInvocationContext <string, int, bool, Todo>(new DefaultHttpContext(), "This is a test", 42, false, new Todo());
var enumeratedCount = 0;
foreach (var parameter in context)
{
Assert.NotNull(parameter);
enumeratedCount++;
}
Assert.Equal(4, enumeratedCount);
}
public void SetterDoesNotAllowModificationOfParameterType()
{
var context = new EndpointFilterInvocationContext <string, int, bool, Todo>(new DefaultHttpContext(), "This is a test", 42, false, new Todo());
Assert.Throws <InvalidCastException>(() => context[0] = 4);
}
