public void SetBody()
{
var declaringType = MutableTypeObjectMother.Create();
var attribtes = MethodAttributes.Virtual; // Methods which have a base method must be virtual.
var returnType = typeof(object);
var parameters = ParameterDeclarationObjectMother.CreateMultiple(2);
var baseMethod = ReflectionObjectMother.GetSomeVirtualMethod(); // Base method must be virtual.
var genericParameters = new[] { MutableGenericParameterObjectMother.Create() };
var method = MutableMethodInfoObjectMother.Create(
declaringType, "Method", attribtes, returnType, parameters, baseMethod, genericParameters: genericParameters);
var fakeBody = ExpressionTreeObjectMother.GetSomeExpression(typeof(int));
Func <MethodBodyModificationContext, Expression> bodyProvider = ctx =>
{
Assert.That(ctx.DeclaringType, Is.SameAs(declaringType));
Assert.That(ctx.IsStatic, Is.False);
Assert.That(ctx.Parameters, Is.EqualTo(method.ParameterExpressions).And.Not.Empty);
Assert.That(ctx.GenericParameters, Is.EqualTo(genericParameters));
Assert.That(ctx.ReturnType, Is.SameAs(returnType));
Assert.That(ctx.BaseMethod, Is.SameAs(baseMethod));
Assert.That(ctx.PreviousBody, Is.SameAs(method.Body));
return(fakeBody);
};
method.SetBody(bodyProvider);
var expectedBody = Expression.Convert(fakeBody, returnType);
ExpressionTreeComparer.CheckAreEqualTrees(expectedBody, method.Body);
}
public void GetOverride_EqualBaseDefinition()
{
var baseDefinition = ReflectionObjectMother.GetSomeVirtualMethod().GetBaseDefinition();
var candidate = MutableMethodInfoObjectMother.Create(baseMethod: baseDefinition);
var result = _finder.GetOverride(baseDefinition, new[] { candidate });
Assert.That(result, Is.SameAs(candidate));
}
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));
}