/// <summary>
/// Removes all extension objects from this collection and moves them to a new collection.
/// </summary>
/// <param name="from">The extension collection from which to remove the extensions.</param>
/// <param name="to">The extension collection to which to add the extensions.</param>
public static void MoveAllExtensionsTo(this IExtensionCollection from, IExtensionCollection to)
{
var list = from.ToList();
from.Clear();
to.AddRange(list);
}
public void T2_Tests()
{
IExtensionCollection <GraphObject, IExtension <GraphObject> > exts = _context.Extensions;
ArborNode node = new ArborNode("");
exts.Add(node);
Assert.IsTrue(exts.Contains(node));
Assert.AreEqual(1, exts.Count);
IExtension <GraphObject> xt = exts.Find <ArborNode>();
Assert.IsNotNull(xt);
Assert.IsTrue(xt is ArborNode);
Assert.AreEqual(node, xt);
//
Assert.IsTrue(exts.Remove(node));
Assert.IsFalse(exts.Contains(node));
Assert.AreEqual(0, exts.Count);
//
exts.Add(node);
ArborNode node1 = new ArborNode("");
exts.Add(node1);
Assert.IsTrue(exts.Contains(node));
Assert.IsTrue(exts.Contains(node1));
Assert.AreEqual(2, exts.Count);
Collection <ArborNode> cols = exts.FindAll <ArborNode>();
Assert.AreEqual(2, cols.Count);
Assert.IsTrue(exts.Remove(node));
Assert.IsFalse(exts.Contains(node));
Assert.IsTrue(exts.Contains(node1));
Assert.AreEqual(1, exts.Count);
//
exts.Add(node); // adding second node, but internal array was length=2
//
exts.Clear();
Assert.AreEqual(0, exts.Count);
//
Assert.IsFalse(exts.Remove(null));
Assert.Throws(typeof(ArgumentNullException), () => { exts.Add(null); });
Assert.Throws(typeof(ArgumentNullException), () => { new ExtensionCollection <GraphObject, IExtension <GraphObject> >(null); });
}
void ICollection <ISerializerExtension> .Clear() => _extensions.Clear();
public void Clear()
{
UnderlyingObject.Clear();
}