public void RemoveRange()
{
var list = new LightweightList <int>();
for (int i = 0; i < 10; i++)
{
list.Add(i);
}
list.RemoveRange(0, 3);
var span = list.AsSpan();
var arr = list.GetInternalArray();
Assert.Equal(7, list.Count);
Assert.Equal(7, span.Length);
for (int i = 0, j = 3; i < 7; i++, j++)
{
Assert.Equal(j, list[i]);
Assert.Equal(j, span[i]);
Assert.Equal(j, arr[i]);
}
list.RemoveRange(5, 2);
span = list.AsSpan();
arr = list.GetInternalArray();
Assert.Equal(5, list.Count);
Assert.Equal(5, span.Length);
for (int i = 0, j = 3; i < 5; i++, j++)
{
Assert.Equal(j, list[i]);
Assert.Equal(j, span[i]);
Assert.Equal(j, arr[i]);
}
list.RemoveRange(2, 2);
span = list.AsSpan();
arr = list.GetInternalArray();
Assert.Equal(3, list.Count);
Assert.Equal(3, span.Length);
Assert.Equal(3, list[0]);
Assert.Equal(3, span[0]);
Assert.Equal(3, arr[0]);
Assert.Equal(4, list[1]);
Assert.Equal(4, span[1]);
Assert.Equal(4, arr[1]);
Assert.Equal(7, list[2]);
Assert.Equal(7, span[2]);
Assert.Equal(7, arr[2]);
}
