public void InsertRange_AtStart()
{
var list = new LightweightList <int>();
list.InsertRange(0, Enumerable.Range(10, 10).ToArray());
list.InsertRange(0, Enumerable.Range(0, 10).ToArray());
Assert.Equal(20, list.Capacity);
Assert.Equal(20, list.GetInternalArray().Length);
Assert.Equal(20, list.Count);
Assert.Equal(20, list.AsSpan().Length);
var span = list.AsSpan();
var arr = list.GetInternalArray();
for (int i = 0; i < 10; i++)
{
Assert.Equal(i, list[i]);
Assert.Equal(i, span[i]);
Assert.Equal(i, arr[i]);
}
for (int i = 10; i < 20; i++)
{
Assert.Equal(i, list[i]);
Assert.Equal(i, span[i]);
Assert.Equal(i, arr[i]);
}
}
public void InsertRange_InMiddle()
{
var list = new LightweightList <int>();
list.InsertRange(0, Enumerable.Range(0, 10).ToArray());
list.InsertRange(4, Enumerable.Range(40, 10).ToArray());
Assert.Equal(20, list.Capacity);
Assert.Equal(20, list.GetInternalArray().Length);
Assert.Equal(20, list.Count);
Assert.Equal(20, list.AsSpan().Length);
var span = list.AsSpan();
var arr = list.GetInternalArray();
for (int i = 0; i < 4; i++)
{
Assert.Equal(i, list[i]);
Assert.Equal(i, span[i]);
Assert.Equal(i, arr[i]);
}
for (int i = 4, j = 40; i < 14; i++, j++)
{
Assert.Equal(j, list[i]);
Assert.Equal(j, span[i]);
Assert.Equal(j, arr[i]);
}
for (int i = 4, j = 40; i < 14; i++, j++)
{
Assert.Equal(j, list[i]);
Assert.Equal(j, span[i]);
Assert.Equal(j, arr[i]);
}
for (int i = 14, j = 4; i < 20; i++, j++)
{
Assert.Equal(j, list[i]);
Assert.Equal(j, span[i]);
Assert.Equal(j, arr[i]);
}
}
public void InsertRange_IntoEmptyList()
{
int[] insertArr = Enumerable.Range(0, 10).ToArray();
var list = new LightweightList <int>();
list.InsertRange(0, insertArr);
Assert.Equal(10, list.Capacity);
Assert.Equal(10, list.GetInternalArray().Length);
Assert.Equal(10, list.Count);
Assert.Equal(10, list.AsSpan().Length);
var span = list.AsSpan();
var arr = list.GetInternalArray();
for (int i = 0; i < 10; i++)
{
Assert.Equal(i, list[i]);
Assert.Equal(i, span[i]);
Assert.Equal(i, arr[i]);
}
}
