public void Constructor()
{
var buffer = new Buffer();
buffer.Ptr.Should().Be(IntPtr.Zero);
buffer.Capacity.Should().Be(0);
buffer.Length.Should().Be(0);
}
public void Allocate()
{
var buffer = new Buffer();
buffer.Allocate(5);
buffer.Ptr.Should().NotBe(IntPtr.Zero);
buffer.Capacity.Should().Be(5);
buffer.Length.Should().Be(5);
}
public void Allocate_Again_When_Extra_Memory_Is_Needed()
{
var buffer = new Buffer();
buffer.Allocate(3);
buffer.Capacity.Should().Be(3);
buffer.Length.Should().Be(3);
var ptr1 = buffer.Ptr;
buffer.Allocate(5);
buffer.Capacity.Should().Be(5);
buffer.Length.Should().Be(5);
var ptr2 = buffer.Ptr;
ptr2.Should().NotBe(ptr1);
}
