/// <nodoc />
public ReadOnlyListEnumerator(IReadOnlyList <T> list)
: this()
{
m_enumerator = new ReadOnlyListEnumerable <T>(list).GetEnumerator();
m_singleItem = false;
m_movedNext = false;
}
public void test_MoveNext_throws_if_list_was_modified()
{
var n = 5;
var xs = Enumerable.Range(0, n).ToList();
var it = new ReadOnlyListEnumerator <int>(xs);
xs.Add(n);
foreach (var i in Enumerable.Range(0, n))
{
Assert.True(it.MoveNext());
}
Assert.Throws <InvalidOperationException>(() => it.MoveNext());
}
public void test_MoveNext_and_Current()
{
var n = 5;
var xs = Enumerable.Range(0, n).ToArray();
var it = new ReadOnlyListEnumerator <int>(xs);
var i = 0;
while (it.MoveNext())
{
Assert.Equal(i, it.Current);
i++;
}
Assert.Equal(n, i);
}
