public void InsertRangeValidations(T?[] items, Func <T?[], IEnumerable <T?> > constructIEnumerable)
{
SegmentedList <T?> list = new SegmentedList <T?>(constructIEnumerable(items));
int[] bad = new int[] { items.Length + 1, items.Length + 2, int.MaxValue, -1, -2, int.MinValue };
for (int i = 0; i < bad.Length; i++)
{
Assert.Throws <ArgumentOutOfRangeException>(() => list.InsertRange(bad[i], constructIEnumerable(items))); //"ArgumentOutOfRangeException expected"
}
Assert.Throws <ArgumentNullException>(() => list.InsertRange(0, null !)); //"ArgumentNullException expected."
}
public void InsertRangeIEnumerable(T?[] itemsX, T?[] itemsY, int index, int repeat, Func <T?[], IEnumerable <T?> > constructIEnumerable)
{
SegmentedList <T?> list = new SegmentedList <T?>(constructIEnumerable(itemsX));
for (int i = 0; i < repeat; i++)
{
list.InsertRange(index, constructIEnumerable(itemsY));
}
foreach (T?item in itemsY)
{
Assert.True(list.Contains(item)); //"Should contain the item."
}
Assert.Equal(list.Count, itemsX.Length + (itemsY.Length * repeat)); //"Should have the same result."
for (int i = 0; i < index; i++)
{
Assert.Equal(list[i], itemsX[i]); //"Should have the same result."
}
for (int i = index; i < index + (itemsY.Length * repeat); i++)
{
Assert.Equal(list[i], itemsY[(i - index) % itemsY.Length]); //"Should have the same result."
}
for (int i = index + (itemsY.Length * repeat); i < list.Count; i++)
{
Assert.Equal(list[i], itemsX[i - (itemsY.Length * repeat)]); //"Should have the same result."
}
//InsertRange into itself
list = new SegmentedList <T?>(constructIEnumerable(itemsX));
list.InsertRange(index, list);
foreach (T?item in itemsX)
{
Assert.True(list.Contains(item)); //"Should contain the item."
}
Assert.Equal(list.Count, itemsX.Length + (itemsX.Length)); //"Should have the same result."
for (int i = 0; i < index; i++)
{
Assert.Equal(list[i], itemsX[i]); //"Should have the same result."
}
for (int i = index; i < index + (itemsX.Length); i++)
{
Assert.Equal(list[i], itemsX[(i - index) % itemsX.Length]); //"Should have the same result."
}
for (int i = index + (itemsX.Length); i < list.Count; i++)
{
Assert.Equal(list[i], itemsX[i - (itemsX.Length)]); //"Should have the same result."
}
}
