10.times {
            range.allocate()
        }

        then:
        range.allocate() == -1

        when:
        range.deallocate(103)
        range.deallocate(109)
        range.deallocate(102)

        then:
        (0..2).collect { range.allocate() }.sort() == [102, 103, 109]
    }

    int next(int port) {
        return port == LAST_PORT ? FIRST_PORT : port+1
    }

    }

    /**
     * Allocate an available port
     *
     * @return the port that was allocated
     */
    public int allocate() {
        try {
            lock.lock()
            return getAvailablePort()
        } finally {
            lock.unlock()
        }
    }

    /**
     * Deallocate the given port
     *
     * @param port
     */

              TF_Status* status) {}

void PopulateDefaultStreamExecutor(SP_StreamExecutor* se) {
  *se = {SP_STREAMEXECUTOR_STRUCT_SIZE};
  se->allocate = Allocate;
  se->deallocate = Deallocate;
  se->host_memory_allocate = HostMemoryAllocate;
  se->host_memory_deallocate = HostMemoryDeallocate;
  se->get_allocator_stats = GetAllocatorStats;
  se->device_memory_usage = DeviceMemoryUsage;

            for (int i = 0; i < reservations.size(); i++) {
                ReservedPortRange range = reservations.get(i)
                int port = range.allocate()
                if (port > 0) {
                    return port
                }
            }
            // if we couldn't allocate a port from the existing reserved port ranges, get another range
            reservePortRange()
        }
    }

// we may expose the ABI of TF_Shape for performance reasons.
typedef struct TF_Shape TF_Shape;

// Return a new, unknown rank shape object. The caller is responsible for
// calling TF_DeleteShape to deallocate and destroy the returned shape.
TF_CAPI_EXPORT extern TF_Shape* TF_NewShape();

// Returns the rank of `shape`. If `shape` has unknown rank, returns -1.
TF_CAPI_EXPORT extern int TF_ShapeDims(const TF_Shape* shape);

// may also be held in a buffer.
//
// By default, TF_Buffer itself does not do any memory management of the
// pointed-to block.  If need be, users of this struct should specify how to
// deallocate the block by setting the `data_deallocator` function pointer.
typedef struct TF_Buffer {
  const void* data;
  size_t length;
  void (*data_deallocator)(void* data, size_t length);
} TF_Buffer;

			want: want{
				prefilter: result{
					status: framework.NewStatus(framework.UnschedulableAndUnresolvable, `resourceclaim must be reallocated`),
				},
				postfilter: result{
					status: framework.NewStatus(framework.Unschedulable, `no new claims to deallocate`),
				},
			},
		},
		"delayed-allocation-missing-class": {
			pod:    podWithClaimName,

    }
    return DeviceMemoryBaseFromC(mem);
  }
  DeviceMemoryBase Allocate(uint64 size) {
    return Allocate(size, /*memory_space=*/0);
  }

  void Deallocate(DeviceMemoryBase* mem) override {
    SP_DeviceMemoryBase device_memory_base = DeviceMemoryBaseToC(mem);
    stream_executor_->deallocate(&device_, &device_memory_base);
  }

  absl::StatusOr<std::unique_ptr<MemoryAllocation>> HostMemoryAllocate(

		// This plugin should come before DefaultPreemption because if
		// there is a problem with a Pod and PostFilter gets called to
		// resolve the problem, it is better to first deallocate an
		// idle ResourceClaim than it is to evict some Pod that might
		// be doing useful work.
		for i := range config.MultiPoint.Enabled {
			if config.MultiPoint.Enabled[i].Name == names.DefaultPreemption {

  // to 0.
  void (*allocate)(const SP_Device* device, uint64_t size, int64_t memory_space,
                   SP_DeviceMemoryBase* mem);

  // Deallocate the device memory previously allocated via this interface.
  // Deallocation of a nullptr-representative value is permitted.
  void (*deallocate)(const SP_Device* device, SP_DeviceMemoryBase* memory);