public void RemoveMultipleAddedItems()
{
var capacity = 5;
var cb = new IntBuffer(capacity);
cb.Add(1);
cb.Add(2);
cb.Add(3);
cb.Remove(2).Should().Be(2);
cb.Count.Should().Be(1);
cb.ToArray().Should().Equal(new[] { 3 });
}
public void AddItemsAtStart()
{
var capacity = 5;
var cb = new IntBuffer(capacity);
cb.Add(1);
cb.Add(2);
cb.Add(3);
cb.Add(4);
cb.Capacity.Should().Be(capacity, $"the Capacity after creating a new {nameof(IntBuffer)} should be {capacity}");
cb.Count.Should().Be(4);
cb.ToArray().Should().Equal(new[] { 1, 2, 3, 4 });
}
public void ConstructABufferWithInitialItemsUnderCapacity_WriteIndex()
{
var capacity = 5;
var overwrite = false;
var cb = new IntBuffer(new[] { 1, 2, 3 }, capacity, overwrite);
cb.Add(99);
cb.Count.Should().Be(4);
cb.ToArray().Should().Equal(new[] { 1, 2, 3, 99 });
}
public void CopyFullWrappedBuffer_LargerMemory()
{
var cb = new IntBuffer(new[] { 1, 2, 3 }, 5);
cb.Remove();
cb.Remove();
cb.Remove(); // Write index should be positioned at 3
cb.Count.Should().Be(0);
cb.Add(10);
cb.Add(11);
cb.Add(12);
cb.Add(13);
var target = new int[] { -1, -1, -1, -1, -1, -1 };
cb.CopyTo(new Memory <int>(target)).Should().Be(4);
target.Should().Equal(new[] { 10, 11, 12, 13, -1, -1 });
}
public void CopyWrappedFullFirstPortionOnly_Memory()
{
var cb = new IntBuffer(new[] { 1, 2, 3 }, 5);
cb.Remove();
cb.Remove();
cb.Remove(); // Write index should be positioned at 3
cb.Count.Should().Be(0);
cb.Add(10);
cb.Add(11);
cb.Add(12);
cb.Add(13);
var target = new int[] { -1, -1, -1, -1, -1 };
cb.CopyTo(new Memory <int>(target).Slice(0, 2)).Should().Be(2);
target.Should().Equal(new[] { 10, 11, -1, -1, -1 });
}
public void CopyWrappedSmallerFirstPortionOnly_Array()
{
var cb = new IntBuffer(new[] { 1, 2, 3 }, 5);
cb.Remove();
cb.Remove();
cb.Remove(); // Write index should be positioned at 3
cb.Count.Should().Be(0);
cb.Add(10);
cb.Add(11);
cb.Add(12);
cb.Add(13);
var target = new int[] { -1, -1, -1, -1, -1 };
cb.CopyTo(target, 0, 1);
target.Should().Equal(new[] { 10, -1, -1, -1, -1 });
}
public void ClearBuffer()
{
var capacity = 5;
var cb = new IntBuffer(new[] { 1, 2, 3 }, capacity);
cb.Add(4);
cb.Count.Should().Be(4);
cb.Clear();
cb.Count.Should().Be(0);
cb.ToArray().Length.Should().Be(0);
}
public void AddItemsOverCapacityWithoutOverwrite()
{
var capacity = 5;
var cb = new IntBuffer(capacity);
cb.Add(1);
cb.Add(2);
cb.Add(3);
cb.Add(4);
cb.Add(5);
new Action(() => cb.Add(6)).Should().Throw <InvalidOperationException>();
}
public void AddItemsOverCapacityWithOverwrite()
{
var capacity = 5;
var cb = new IntBuffer(capacity, true);
cb.Add(1);
cb.Add(2);
cb.Add(3);
cb.Add(4);
cb.Add(5);
cb.Add(6);
cb.Capacity.Should().Be(capacity, $"the Capacity after creating a new {nameof(IntBuffer)} should be {capacity}");
cb.Count.Should().Be(5);
cb.ToArray().Should().Equal(new[] { 2, 3, 4, 5, 6 });
}
