public MutablePropertyInfo CreateProperty(
MutableType declaringType, string name, PropertyAttributes attributes, MutableMethodInfo getMethod, MutableMethodInfo setMethod)
{
ArgumentUtility.CheckNotNull("declaringType", declaringType);
ArgumentUtility.CheckNotNullOrEmpty("name", name);
// Get method may be null.
// Set method may be null.
MemberAttributesUtility.ValidateAttributes("properties", MemberAttributesUtility.InvalidPropertyAttributes, attributes, "attributes");
if (getMethod == null && setMethod == null)
{
throw new ArgumentException("Property must have at least one accessor.", "getMethod");
}
var readWriteProperty = getMethod != null && setMethod != null;
if (readWriteProperty && getMethod.IsStatic != setMethod.IsStatic)
{
throw new ArgumentException("Accessor methods must be both either static or non-static.", "getMethod");
}
if (getMethod != null && !ReferenceEquals(getMethod.DeclaringType, declaringType))
{
throw new ArgumentException("Get method is not declared on the current type.", "getMethod");
}
if (setMethod != null && !ReferenceEquals(setMethod.DeclaringType, declaringType))
{
throw new ArgumentException("Set method is not declared on the current type.", "setMethod");
}
if (getMethod != null && getMethod.ReturnType == typeof(void))
{
throw new ArgumentException("Get accessor must be a non-void method.", "getMethod");
}
if (setMethod != null && setMethod.ReturnType != typeof(void))
{
throw new ArgumentException("Set accessor must have return type void.", "setMethod");
}
var getSignature = getMethod != null ? new PropertySignature(getMethod.ReturnType, getMethod.GetParameters().Select(p => p.ParameterType)) : null;
var setParameters = setMethod != null?setMethod.GetParameters().Select(p => p.ParameterType).ToList() : null;
var setSignature = setMethod != null ? new PropertySignature(setParameters.Last(), setParameters.Take(setParameters.Count - 1)) : null;
if (readWriteProperty && !getSignature.Equals(setSignature))
{
throw new ArgumentException("Get and set accessor methods must have a matching signature.", "setMethod");
}
var signature = getSignature ?? setSignature;
if (declaringType.AddedProperties.Any(p => p.Name == name && PropertySignature.Create(p).Equals(signature)))
{
throw new InvalidOperationException("Property with equal name and signature already exists.");
}
return(new MutablePropertyInfo(declaringType, name, attributes, getMethod, setMethod));
}
public void Initialization()
{
var declaringType = MutableTypeObjectMother.Create();
var name = "abc";
var attributes = (MethodAttributes)7 | MethodAttributes.Virtual;
var returnType = ReflectionObjectMother.GetSomeType();
var parameters = ParameterDeclarationObjectMother.CreateMultiple(2);
var baseMethod = ReflectionObjectMother.GetSomeVirtualMethod();
var body = ExpressionTreeObjectMother.GetSomeExpression(returnType);
var method = new MutableMethodInfo(
declaringType, name, attributes, new MutableGenericParameter[0], returnType, parameters.AsOneTime(), baseMethod, body);
Assert.That(method.DeclaringType, Is.SameAs(declaringType));
Assert.That(method.MutableDeclaringType, Is.SameAs(declaringType));
Assert.That(method.Name, Is.EqualTo(name));
Assert.That(method.Attributes, Is.EqualTo(attributes));
Assert.That(method.IsGenericMethod, Is.False);
CustomParameterInfoTest.CheckParameter(method.ReturnParameter, method, -1, null, returnType, ParameterAttributes.None);
Assert.That(method.MutableReturnParameter, Is.SameAs(method.ReturnParameter));
var actualParameters = method.GetParameters();
Assert.That(actualParameters, Has.Length.EqualTo(2));
CustomParameterInfoTest.CheckParameter(actualParameters[0], method, 0, parameters[0].Name, parameters[0].Type, parameters[0].Attributes);
CustomParameterInfoTest.CheckParameter(actualParameters[1], method, 1, parameters[1].Name, parameters[1].Type, parameters[1].Attributes);
Assert.That(method.MutableParameters, Is.EqualTo(actualParameters));
var paramExpressions = method.ParameterExpressions;
Assert.That(paramExpressions, Has.Count.EqualTo(2));
Assert.That(paramExpressions[0], Has.Property("Name").EqualTo(parameters[0].Name).And.Property("Type").SameAs(parameters[0].Type));
Assert.That(paramExpressions[1], Has.Property("Name").EqualTo(parameters[1].Name).And.Property("Type").SameAs(parameters[1].Type));
Assert.That(method.BaseMethod, Is.SameAs(baseMethod));
Assert.That(method.Body, Is.SameAs(body));
}
public MutableEventInfo CreateEvent(
MutableType declaringType,
string name,
EventAttributes attributes,
MutableMethodInfo addMethod,
MutableMethodInfo removeMethod,
MutableMethodInfo raiseMethod)
{
ArgumentUtility.CheckNotNull("declaringType", declaringType);
ArgumentUtility.CheckNotNullOrEmpty("name", name);
ArgumentUtility.CheckNotNull("addMethod", addMethod);
ArgumentUtility.CheckNotNull("removeMethod", removeMethod);
// Raise method may be null.
MemberAttributesUtility.ValidateAttributes("events", MemberAttributesUtility.InvalidEventAttributes, attributes, "attributes");
if (addMethod.IsStatic != removeMethod.IsStatic || (raiseMethod != null && raiseMethod.IsStatic != addMethod.IsStatic))
{
throw new ArgumentException("Accessor methods must be all either static or non-static.", "addMethod");
}
if (!ReferenceEquals(addMethod.DeclaringType, declaringType))
{
throw new ArgumentException("Add method is not declared on the current type.", "addMethod");
}
if (!ReferenceEquals(removeMethod.DeclaringType, declaringType))
{
throw new ArgumentException("Remove method is not declared on the current type.", "removeMethod");
}
if (raiseMethod != null && !ReferenceEquals(raiseMethod.DeclaringType, declaringType))
{
throw new ArgumentException("Raise method is not declared on the current type.", "raiseMethod");
}
if (addMethod.ReturnType != typeof(void))
{
throw new ArgumentException("Add method must have return type void.", "addMethod");
}
if (removeMethod.ReturnType != typeof(void))
{
throw new ArgumentException("Remove method must have return type void.", "removeMethod");
}
var addMethodParameterTypes = addMethod.GetParameters().Select(p => p.ParameterType).ToList();
var removeMethodParameterTypes = removeMethod.GetParameters().Select(p => p.ParameterType).ToList();
if (addMethodParameterTypes.Count != 1 || !addMethodParameterTypes[0].IsSubclassOf(typeof(Delegate)))
{
throw new ArgumentException("Add method must have a single parameter that is assignable to 'System.Delegate'.", "addMethod");
}
if (removeMethodParameterTypes.Count != 1 || !removeMethodParameterTypes[0].IsSubclassOf(typeof(Delegate)))
{
throw new ArgumentException("Remove method must have a single parameter that is assignable to 'System.Delegate'.", "removeMethod");
}
if (addMethodParameterTypes.Single() != removeMethodParameterTypes.Single())
{
throw new ArgumentException("The type of the handler parameter is different for the add and remove method.", "removeMethod");
}
var handlerType = addMethodParameterTypes.Single();
var invokeMethod = GetInvokeMethod(handlerType);
if (raiseMethod != null && !MethodSignature.AreEqual(raiseMethod, invokeMethod))
{
throw new ArgumentException("The signature of the raise method does not match the handler type.", "raiseMethod");
}
var signature = new EventSignature(handlerType);
if (declaringType.AddedEvents.Any(e => e.Name == name && EventSignature.Create(e).Equals(signature)))
{
throw new InvalidOperationException("Event with equal name and signature already exists.");
}
return(new MutableEventInfo(declaringType, name, attributes, addMethod, removeMethod, raiseMethod));
}