System.CodeDom.Tests.CodeNamespaceImportCollectionTests.VerifyCollection C# (CSharp) Method

        private static void VerifyCollection(CodeNamespaceCollection collection, CodeNamespace[] contents)
        {
            Assert.Equal(contents.Length, collection.Count);
            for (int i = 0; i < contents.Length; i++)
            {
                CodeNamespace content = contents[i];
                Assert.Equal(i, collection.IndexOf(content));
                Assert.True(collection.Contains(content));
                Assert.Same(content, collection[i]);
            }

            const int Index = 1;
            var copy = new CodeNamespace[collection.Count + Index];
            collection.CopyTo(copy, Index);
            Assert.Null(copy[0]);
            for (int i = Index; i < copy.Length; i++)
            {
                Assert.Same(contents[i - Index], copy[i]);
            }
        }
    }