public void SwapNull()
{
// Arrange
var builder = new Decimal128Array.Builder(new Decimal128Type(24, 8));
// Act
builder.Append(123.456M);
builder.AppendNull();
builder.Swap(0, 1);
// Assert
var array = builder.Build();
Assert.Null(array.GetValue(0));
Assert.Equal(123.456M, array.GetValue(1));
}