public void Clone_OK()
{
var sa = new SparseArray <decimal>(2, new Dictionary <int, decimal>()
{
{ 0, 1M }, { 1, 2M }
});
Assert.AreEqual(2, sa.Capacity, "Incorrect capacity.");
Assert.AreEqual(2, sa.Count, "Incorrect count.");
Assert.AreEqual(2, sa.Sparsity, "Incorrect sparsity.");
Assert.AreEqual(1.0M, sa.SparsityPercent, "Incorrect sparsity percent.");
Assert.IsTrue(sa.Keys.SequenceEqual(new List <int> {
0, 1
}), "Incorrect keys.");
Assert.IsTrue(sa.ToArray().SequenceEqual(new[] { 1M, 2M }), "Unequal elements in sparse array");
var clone = (SparseArray <decimal>)sa.Clone();
Assert.AreEqual(sa.IsReadOnly, clone.IsReadOnly, "Incorrect readonly value after Clone().");
Assert.AreEqual(sa.Capacity, clone.Capacity, "Incorrect capacity after Clone().");
Assert.AreEqual(sa.Count, clone.Count, "Incorrect count after Clone().");
Assert.AreEqual(sa.Sparsity, clone.Sparsity, "Incorrect sparsity after Clone().");
Assert.AreEqual(sa.SparsityPercent, clone.SparsityPercent, "Incorrect sparsity percent after Clone().");
Assert.IsTrue(clone.Keys.SequenceEqual(sa.Keys), "Incorrect keys after Clone().");
Assert.AreSame(sa.Comparer, clone.Comparer, "Incorrect explicit comparer after Clone().");
Assert.IsTrue(clone.ToArray().SequenceEqual(sa.ToArray()), "Unequal elements in sparse array after Clone()");
}