public void CreateStaticSetter1Works()
{
var property = typeof(Corge).GetProperty(nameof(Corge.Bar));
Action <int> setter;
var queued = (Callback : (WaitCallback)null, PropertySetter : (StaticPropertySetter <int>)null);
void queueUserWorkItem(WaitCallback callback, object state) => queued = (callback, (StaticPropertySetter <int>)state);
PropertyInfoExtensions.SetQueueUserWorkItemAction(queueUserWorkItem);
try
{
setter = property.CreateStaticSetter <int>();
}
finally
{
PropertyInfoExtensions.SetQueueUserWorkItemAction(null);
}
// Verify that a work item was queued
queued.PropertySetter.Should().NotBeNull();
queued.Callback.Should().NotBeNull();
// Verify that the return delegate is correct
setter.Target.Should().BeSameAs(queued.PropertySetter);
setter.Method.Name.Should().Be(nameof(StaticPropertySetter <int> .SetValue));
setter.Method.DeclaringType.Should().Be(typeof(StaticPropertySetter <int>));
// Verify that the queued Callback calls the SetOptimizedFunc
// method of the queued PropertySetter.
var beforeAction = queued.PropertySetter.Action;
queued.Callback.Invoke(queued.PropertySetter);
var afterAction = queued.PropertySetter.Action;
beforeAction.Should().NotBeSameAs(afterAction);
}
public void CreateGetter2Works()
{
Func <Foo, int> getter;
var queued = (Callback : (WaitCallback)null, PropertyGetter : (PropertyGetter <Foo, int>)null);
void queueUserWorkItem(WaitCallback callback, object state) => queued = (callback, (PropertyGetter <Foo, int>)state);
PropertyInfoExtensions.SetQueueUserWorkItemAction(queueUserWorkItem);
try
{
getter = _property.CreateGetter <Foo, int>();
}
finally
{
PropertyInfoExtensions.SetQueueUserWorkItemAction(null);
}
// Verify that a work item was queued
queued.PropertyGetter.Should().NotBeNull();
queued.Callback.Should().NotBeNull();
// Verify that the return delegate is correct
getter.Target.Should().BeSameAs(queued.PropertyGetter);
getter.Method.Name.Should().Be(nameof(PropertyGetter <Foo, int> .GetValue));
getter.Method.DeclaringType.Should().Be(typeof(PropertyGetter <Foo, int>));
// Verify that the queued Callback calls the SetOptimizedFunc
// method of the queued PropertyGetter.
var beforeFunc = queued.PropertyGetter.Func;
queued.Callback.Invoke(queued.PropertyGetter);
var afterFunc = queued.PropertyGetter.Func;
beforeFunc.Should().NotBeSameAs(afterFunc);
}