public void CreateTreeProperly()
{
var first = new ClassWithRecursion();
first.Name = "First";
var second = new ClassWithRecursion();
second.Name = "Second";
first.Subclass = second;
var sourceTree = new ObjectTreeItem(first);
sourceTree.CreateTree();
Trace.WriteLine(sourceTree.ToFormattedString());
Assert.IsNull(sourceTree.Parent);
Assert.IsNotNull(sourceTree.Childs);
Assert.IsTrue(IEnumerableExtensions.Any(sourceTree.Childs));
Assert.AreEqual(2, sourceTree.Childs.Count);
Assert.AreEqual(first, sourceTree.Item);
Assert.IsTrue(sourceTree.Childs.Any(item => item.Item == second));
foreach (var objectTreeItem in sourceTree.Childs)
{
Assert.AreEqual(sourceTree, objectTreeItem.Parent);
}
}
public static string StringValue(object o, string language)
{
var(isLiteral, repr) = TryRenderLiteral(o, language);
if (!isLiteral)
{
var hasDeclaredToString = o.GetType().GetMethods().Any(x =>
{
if (x.Name != "ToString")
{
return(false);
}
if (IEnumerableExtensions.Any(x.GetParameters()))
{
return(false);
}
if (x.DeclaringType == typeof(object))
{
return(false);
}
if (x.DeclaringType.InheritsFromOrImplements <EnumerableQuery>())
{
return(false);
}
return(true);
});
if (hasDeclaredToString)
{
return(o.ToString());
}
}
return(repr);
}
public static MethodInfo GetMethod(Expression <Action> expr, params Type[] typeargs)
{
var ret = ((MethodCallExpression)expr.Body).Method;
// TODO handle partially open generic methods
if (IEnumerableExtensions.Any(typeargs) && ret.IsGenericMethod)
{
ret = ret.GetGenericMethodDefinition().MakeGenericMethod(typeargs);
}
return(ret);
}
public static object[] TupleValues(object tuple)
{
if (!tuple.GetType().IsTupleType())
{
throw new InvalidOperationException();
}
var fields = tuple.GetType().GetFields();
if (IEnumerableExtensions.Any(fields))
{
return(tuple.GetType().GetFields().Select(x => x.GetValue(tuple)).ToArray());
}
return(tuple.GetType().GetProperties().Select(x => x.GetValue(tuple)).ToArray());
}
public void Any_throws_ArgumentNullException()
{
Assert.Throws <ArgumentNullException>(() => IEnumerableExtensions.Any(null));
}
