{
  "function": "freeCells",
  "cases": [
    {
      "name": "free-cells-row-major-order",
      "args": [
        {
          "width": 3,
          "height": 2,
          "snake": [
            {
              "x": 0,
              "y": 0
            }
          ],
          "dir": "Right",
          "nextDir": "Right",
          "apple": null,
          "seed": 0,
          "score": 0,
          "status": "Playing",
          "frame": 0
        }
      ],
      "expected": [
        {
          "x": 1,
          "y": 0
        },
        {
          "x": 2,
          "y": 0
        },
        {
          "x": 0,
          "y": 1
        },
        {
          "x": 1,
          "y": 1
        },
        {
          "x": 2,
          "y": 1
        }
      ]
    },
    {
      "name": "free-cells-skip-snake",
      "args": [
        {
          "width": 3,
          "height": 2,
          "snake": [
            {
              "x": 1,
              "y": 0
            },
            {
              "x": 0,
              "y": 0
            }
          ],
          "dir": "Right",
          "nextDir": "Right",
          "apple": null,
          "seed": 0,
          "score": 0,
          "status": "Playing",
          "frame": 0
        }
      ],
      "expected": [
        {
          "x": 2,
          "y": 0
        },
        {
          "x": 0,
          "y": 1
        },
        {
          "x": 1,
          "y": 1
        },
        {
          "x": 2,
          "y": 1
        }
      ]
    },
    {
      "name": "free-cells-snake-in-second-row",
      "args": [
        {
          "width": 3,
          "height": 2,
          "snake": [
            {
              "x": 2,
              "y": 1
            },
            {
              "x": 1,
              "y": 1
            },
            {
              "x": 1,
              "y": 0
            }
          ],
          "dir": "Right",
          "nextDir": "Right",
          "apple": null,
          "seed": 0,
          "score": 0,
          "status": "Playing",
          "frame": 0
        }
      ],
      "expected": [
        {
          "x": 0,
          "y": 0
        },
        {
          "x": 2,
          "y": 0
        },
        {
          "x": 0,
          "y": 1
        }
      ]
    },
    {
      "name": "free-cells-apple-cell-is-still-free",
      "args": [
        {
          "width": 3,
          "height": 2,
          "snake": [
            {
              "x": 1,
              "y": 0
            },
            {
              "x": 0,
              "y": 0
            }
          ],
          "dir": "Right",
          "nextDir": "Right",
          "apple": {
            "x": 2,
            "y": 0
          },
          "seed": 0,
          "score": 0,
          "status": "Playing",
          "frame": 0
        }
      ],
      "expected": [
        {
          "x": 2,
          "y": 0
        },
        {
          "x": 0,
          "y": 1
        },
        {
          "x": 1,
          "y": 1
        },
        {
          "x": 2,
          "y": 1
        }
      ]
    },
    {
      "name": "free-cells-full-board-is-empty",
      "args": [
        {
          "width": 3,
          "height": 2,
          "snake": [
            {
              "x": 0,
              "y": 0
            },
            {
              "x": 1,
              "y": 0
            },
            {
              "x": 2,
              "y": 0
            },
            {
              "x": 2,
              "y": 1
            },
            {
              "x": 1,
              "y": 1
            },
            {
              "x": 0,
              "y": 1
            }
          ],
          "dir": "Right",
          "nextDir": "Right",
          "apple": null,
          "seed": 0,
          "score": 0,
          "status": "Playing",
          "frame": 0
        }
      ],
      "expected": []
    }
  ]
}