public void ThenNextMustUpdateDependentIterators()
{
var sources = new List<TestSource>
{
new TestSource{ Count = 0 },
new TestSource{ Count = 100 }
};
using (var first = new Iterator(sources.Cast<object>().ToList(), null))
using (var second = new Iterator(new List<object>{first}, null))
{
Assert.AreEqual(0, ((IList<object>)first.GetItem())[0]);
Assert.AreEqual(100, ((IList<object>)first.GetItem())[1]);
Assert.AreEqual(0, ((IList<object>)second.GetItem())[0]);
Assert.AreEqual(100, ((IList<object>)second.GetItem())[1]);
Iterator.NextAll(Iterator.DefaultScope);
Assert.AreEqual(1, ((IList<object>)first.GetItem())[0]);
Assert.AreEqual(101, ((IList<object>)first.GetItem())[1]);
Assert.AreEqual(1, ((IList<object>)second.GetItem())[0]);
Assert.AreEqual(101, ((IList<object>)second.GetItem())[1]);
}
}
public void ThenGetItemMustNotNext()
{
var sources = new List<TestSource>
{
new TestSource{ Count = 0 },
new TestSource{ Count = 100 }
};
using (var iterator = new Iterator(sources.Cast<object>().ToList(), null))
{
//Incremented on next due to constructor
Assert.AreEqual(1, sources[0].Count);
Assert.AreEqual(101, sources[1].Count);
Assert.AreEqual(0, ((IList<object>)iterator.GetItem())[0]);
Assert.AreEqual(100, ((IList<object>)iterator.GetItem())[1]);
//Test again to make sure it doesn't pull
Assert.AreEqual(0, ((IList<object>)iterator.GetItem())[0]);
Assert.AreEqual(100, ((IList<object>)iterator.GetItem())[1]);
}
}
public void ThenNextMustUpdateFromSources()
{
var sources = new List<TestSource>
{
new TestSource{ Count = 0 },
new TestSource{ Count = 100 }
};
using (var iterator = new Iterator(sources.Cast<object>().ToList(),null))
{
//Incremented on next due to constructor
Assert.AreEqual(1, sources[0].Count);
Assert.AreEqual(101, sources[1].Count);
Assert.AreEqual(0, ((IList<object>)iterator.GetItem())[0] );
Assert.AreEqual(100, ((IList<object>)iterator.GetItem())[1]);
Iterator.NextAll(Iterator.DefaultScope);
Assert.AreEqual(2, sources[0].Count);
Assert.AreEqual(102, sources[1].Count);
Assert.AreEqual(1, ((IList<object>)iterator.GetItem())[0]);
Assert.AreEqual(101, ((IList<object>)iterator.GetItem())[1]);
}
}
public void ThenSourcesMustBeFlattened()
{
var sources = new List<object>
{
new TestSource{ Count = 0 },
new TestSource{ Count = 100 },
new StringList(new List<object>{"a", "b"})
};
using (var iterator = new Iterator(sources, null))
{
var result = ((IList<object>) iterator.GetItem());
Assert.AreEqual(0, result[0]);
Assert.AreEqual(100, result[1]);
Assert.AreEqual("a", result[2]);
Assert.AreEqual("b", result[3]);
}
}
public void ThenSequentialIteratorSourcesMustBeFlattened()
{
var sources = new List<object>
{
new TestSource{ Count = 0 },
new TestSource{ Count = 100 },
new StringList(new List<object>{"a", "b"})
};
using (var first = new Iterator(sources, null))
using (var second = new Iterator(new List<object> { first, sources[2] }, null))
{
var result = ((IList<object>)second.GetItem());
Assert.AreEqual(0, result[0]);
Assert.AreEqual(100, result[1]);
Assert.AreEqual("a", result[2]);
Assert.AreEqual("b", result[3]);
Assert.AreEqual("a", result[4]);
Assert.AreEqual("b", result[5]);
}
}