public void should_be_able_to_set_protected_properties()
{
var instance = new AnObject();
Expression<Func<AnObject, string>> expression = x => x.ProtectedValue;
var setter = new ValuePropertySetter(expression.GetMemberExpression(), "protected");
Assert.AreNotEqual("protected", instance.ProtectedValue);
setter.ApplyValue(instance, GetState());
Assert.AreEqual("protected", instance.ProtectedValue);
}
public void should_be_able_to_set_inner_properties()
{
var instance = new AnObject { InnerObject = new AnInnerObject() };
Expression<Func<AnObject, string>> expression = x => x.InnerObject.InnerName;
var setter = new ValuePropertySetter(expression.GetMemberExpression(), "anInnerObject");
Assert.AreNotEqual("anInnerObject", instance.InnerObject.InnerName);
setter.ApplyValue(instance, GetState());
Assert.AreEqual("anInnerObject", instance.InnerObject.InnerName);
}
public void should_be_able_to_set_properties_backed_by_a_field()
{
var instance = new AnObject();
Expression<Func<AnObject, string>> expression = x => x.BackingField;
var setter = new ValuePropertySetter(expression.GetMemberExpression(), "backingField");
Assert.AreNotEqual("backingField", instance.BackingField);
setter.ApplyValue(instance, GetState());
Assert.AreEqual("backingField", instance.BackingField);
}
public void should_be_able_to_chain_setters_to_an_arbitrary_depth()
{
var instance = new AnObject
{
InnerObject = new AnInnerObject
{
AnotherInnerObject = new AnotherInnerObject()
}
};
Expression<Func<AnObject, string>> expression = x => x.InnerObject.AnotherInnerObject.InnerName;
var setter = new ValuePropertySetter(expression.GetMemberExpression(), "anotherInnerObject");
Assert.AreNotEqual("anotherInnerObject", instance.InnerObject.AnotherInnerObject.InnerName);
setter.ApplyValue(instance, GetState());
Assert.AreEqual("anotherInnerObject", instance.InnerObject.AnotherInnerObject.InnerName);
}
public void should_raise_error_if_property_does_not_have_a_setter_or_backing_field()
{
var instance = new AnObject();
Expression<Func<AnObject, string>> expression = x => x.InvalidProperty;
var setter = new ValuePropertySetter(expression.GetMemberExpression(), "invalid");
Assert.Throws<InvalidOperationException>(() => setter.ApplyValue(instance, null));
}
