	public class CollectionCodaTests
	{
		[Test]
		[ExpectedException (typeof (ArgumentNullException))]
		public void RemoveAll_SelfNull()
		{
			CollectionCoda.RemoveAll<int> (null, i => i == 1);
		}

		[Test]
		[ExpectedException (typeof (ArgumentNullException))]
		public void RemoveAll_PredicateNull()
		{
			ICollection<int> c = Enumerable.Range (0, 1).ToList();