public void GetParametersWrapsParameterInfos() {
// Arrange
ParameterInfo pInfo = typeof(MyController).GetMethod("BeginFooValid").GetParameters()[0];
ReflectedAsyncPatternActionDescriptor ad = new ReflectedAsyncPatternActionDescriptor(_validBeginMethod, _validEndMethod, "SomeAction", new Mock<ControllerDescriptor>().Object);
// Act
ParameterDescriptor[] pDescsFirstCall = ad.GetParameters();
ParameterDescriptor[] pDescsSecondCall = ad.GetParameters();
// Assert
Assert.AreNotSame(pDescsFirstCall, pDescsSecondCall, "GetParameters() should return a new array on each invocation.");
Assert.IsTrue(pDescsFirstCall.SequenceEqual(pDescsSecondCall), "Array elements were not equal.");
Assert.AreEqual(1, pDescsFirstCall.Length);
ReflectedParameterDescriptor pDesc = pDescsFirstCall[0] as ReflectedParameterDescriptor;
Assert.IsNotNull(pDesc, "Parameter 0 should have been of type ReflectedParameterDescriptor.");
Assert.AreSame(ad, pDesc.ActionDescriptor, "Parameter 0 Action did not match.");
Assert.AreSame(pInfo, pDesc.ParameterInfo, "Parameter 0 ParameterInfo did not match.");
}
