public void EnumerateTest()
{
// Arrange.
var context = new ExpressionContext();
var source = new List<int> { 100, 200, 300, 400 };
// Act / Assert.
var index = 0;
for (var enumerator = context.Enumerate("key", source).GetEnumerator(); enumerator.MoveNext(); ++index)
{
Assert.AreEqual(source[index], context.GetValue<int>("key"));
}
Assert.IsNull(context.GetValue<int?>("key"));
}
