public void Should_be_able_to_access_a_private_setter()
{
PrivateSetter instance = new PrivateSetter();
var property = instance.GetType()
.GetProperties(BindingFlags.Instance|BindingFlags.Public)
.Where(x => x.Name == "Name")
.First();
var fastProperty = new FastProperty<PrivateSetter>(property, BindingFlags.NonPublic);
const string expectedValue = "Chris";
fastProperty.Set(instance, expectedValue);
Assert.AreEqual(expectedValue, fastProperty.Get(instance));
}
protected override Expression VisitMemberAccess(MemberExpression m)
{
var property = m.Member as PropertyInfo;
if (property == null)
{
throw new ArgumentException("Unable to make access for non-property: " + m);
}
Action <object, object> setMethod = FastProperty.GetSetMethod(property, true);
if (_setter == null)
{
_type = property.PropertyType;
_setter = (o, args, v) => { setMethod(o, v); };
}
else
{
Func <object, object> getMethod = FastProperty.GetGetMethod(property);
Func <object> factoryMethod = CreateFactory(property.PropertyType);
Action <object, int, object> nextSetter = _setter;
_setter = (o, args, v) =>
{
object target = getMethod(o);
if (target == null)
{
target = factoryMethod();
setMethod(o, target);
}
nextSetter(target, args, v);
};
}
return(base.VisitMemberAccess(m));
}
public FastPropertyGetPropertyRunner()
{
_valueProperty = new FastProperty<MyClass, int>(x => x.Value);
_textProperty = new FastProperty<MyClass, string>(x => x.Text);
}
protected override Expression VisitMemberAccess(MemberExpression m)
{
var property = m.Member as PropertyInfo;
if (property == null)
throw new ArgumentException("Unable to make access for non-property: " + m);
Action<object, object> setMethod = new FastProperty(property, BindingFlags.NonPublic).SetDelegate;
if (_setter == null)
{
_type = property.PropertyType;
_setter = (o, args, v) => { setMethod(o, v); };
}
else
{
Func<object, object> getMethod = new FastProperty(property, BindingFlags.NonPublic).GetDelegate;
Func<object> factoryMethod = CreateFactory(property.PropertyType);
Action<object, int, object> nextSetter = _setter;
_setter = (o, args, v) =>
{
object target = getMethod(o);
if (target == null)
{
target = factoryMethod();
setMethod(o, target);
}
nextSetter(target, args, v);
};
}
return base.VisitMemberAccess(m);
}
public FastPropertyObjectGetPropertyRunner()
{
_valueProperty = new FastProperty<MyClass>(x => x.Value);
_textProperty = new FastProperty<MyClass>(x => x.Text);
}
