public void Indices()
{
var array = new[,] { { 1, 2, 3 }, { 4, 5, 6 } };
var expected = new[]
{
new[] { 0, 0 },
new[] { 0, 1 },
new[] { 0, 2 },
new[] { 1, 0 },
new[] { 1, 1 },
new[] { 1, 2 }
};
CollectionAssert.AreEqual(expected, array.Indices());
var arrayEnumerator = array.GetEnumerator();
var indexEnumerator = expected.GetEnumerator();
while (arrayEnumerator.MoveNext() && indexEnumerator.MoveNext())
{
Assert.AreEqual(arrayEnumerator.Current, array.GetValue((int[])indexEnumerator.Current));
}
}