{
  "function": "turn",
  "cases": [
    {
      "name": "turn-normal-perpendicular",
      "args": [
        {
          "width": 5,
          "height": 5,
          "snake": [
            {
              "x": 2,
              "y": 2
            },
            {
              "x": 1,
              "y": 2
            },
            {
              "x": 0,
              "y": 2
            }
          ],
          "dir": "Right",
          "nextDir": "Right",
          "apple": null,
          "seed": 1,
          "score": 0,
          "status": "Playing",
          "frame": 0
        },
        "Up"
      ],
      "expected": {
        "width": 5,
        "height": 5,
        "snake": [
          {
            "x": 2,
            "y": 2
          },
          {
            "x": 1,
            "y": 2
          },
          {
            "x": 0,
            "y": 2
          }
        ],
        "dir": "Right",
        "nextDir": "Up",
        "apple": null,
        "seed": 1,
        "score": 0,
        "status": "Playing",
        "frame": 0
      }
    },
    {
      "name": "turn-same-direction-is-fine",
      "args": [
        {
          "width": 5,
          "height": 5,
          "snake": [
            {
              "x": 2,
              "y": 2
            },
            {
              "x": 1,
              "y": 2
            },
            {
              "x": 0,
              "y": 2
            }
          ],
          "dir": "Right",
          "nextDir": "Right",
          "apple": null,
          "seed": 1,
          "score": 0,
          "status": "Playing",
          "frame": 0
        },
        "Right"
      ],
      "expected": {
        "width": 5,
        "height": 5,
        "snake": [
          {
            "x": 2,
            "y": 2
          },
          {
            "x": 1,
            "y": 2
          },
          {
            "x": 0,
            "y": 2
          }
        ],
        "dir": "Right",
        "nextDir": "Right",
        "apple": null,
        "seed": 1,
        "score": 0,
        "status": "Playing",
        "frame": 0
      }
    },
    {
      "name": "turn-reverse-rejected",
      "args": [
        {
          "width": 5,
          "height": 5,
          "snake": [
            {
              "x": 2,
              "y": 2
            },
            {
              "x": 1,
              "y": 2
            },
            {
              "x": 0,
              "y": 2
            }
          ],
          "dir": "Right",
          "nextDir": "Right",
          "apple": null,
          "seed": 1,
          "score": 0,
          "status": "Playing",
          "frame": 0
        },
        "Left"
      ],
      "expected": {
        "width": 5,
        "height": 5,
        "snake": [
          {
            "x": 2,
            "y": 2
          },
          {
            "x": 1,
            "y": 2
          },
          {
            "x": 0,
            "y": 2
          }
        ],
        "dir": "Right",
        "nextDir": "Right",
        "apple": null,
        "seed": 1,
        "score": 0,
        "status": "Playing",
        "frame": 0
      }
    },
    {
      "name": "turn-replaces-pending-turn",
      "args": [
        {
          "width": 5,
          "height": 5,
          "snake": [
            {
              "x": 2,
              "y": 2
            },
            {
              "x": 1,
              "y": 2
            },
            {
              "x": 0,
              "y": 2
            }
          ],
          "dir": "Right",
          "nextDir": "Up",
          "apple": null,
          "seed": 1,
          "score": 0,
          "status": "Playing",
          "frame": 0
        },
        "Down"
      ],
      "expected": {
        "width": 5,
        "height": 5,
        "snake": [
          {
            "x": 2,
            "y": 2
          },
          {
            "x": 1,
            "y": 2
          },
          {
            "x": 0,
            "y": 2
          }
        ],
        "dir": "Right",
        "nextDir": "Down",
        "apple": null,
        "seed": 1,
        "score": 0,
        "status": "Playing",
        "frame": 0
      }
    },
    {
      "name": "turn-against-last-moved-dir",
      "args": [
        {
          "width": 5,
          "height": 5,
          "snake": [
            {
              "x": 2,
              "y": 2
            },
            {
              "x": 1,
              "y": 2
            },
            {
              "x": 0,
              "y": 2
            }
          ],
          "dir": "Right",
          "nextDir": "Up",
          "apple": null,
          "seed": 1,
          "score": 0,
          "status": "Playing",
          "frame": 0
        },
        "Left"
      ],
      "expected": {
        "width": 5,
        "height": 5,
        "snake": [
          {
            "x": 2,
            "y": 2
          },
          {
            "x": 1,
            "y": 2
          },
          {
            "x": 0,
            "y": 2
          }
        ],
        "dir": "Right",
        "nextDir": "Up",
        "apple": null,
        "seed": 1,
        "score": 0,
        "status": "Playing",
        "frame": 0
      }
    },
    {
      "name": "turn-ignored-when-paused",
      "args": [
        {
          "width": 5,
          "height": 5,
          "snake": [
            {
              "x": 2,
              "y": 2
            },
            {
              "x": 1,
              "y": 2
            },
            {
              "x": 0,
              "y": 2
            }
          ],
          "dir": "Right",
          "nextDir": "Right",
          "apple": null,
          "seed": 1,
          "score": 0,
          "status": "Paused",
          "frame": 0
        },
        "Up"
      ],
      "expected": {
        "width": 5,
        "height": 5,
        "snake": [
          {
            "x": 2,
            "y": 2
          },
          {
            "x": 1,
            "y": 2
          },
          {
            "x": 0,
            "y": 2
          }
        ],
        "dir": "Right",
        "nextDir": "Right",
        "apple": null,
        "seed": 1,
        "score": 0,
        "status": "Paused",
        "frame": 0
      }
    },
    {
      "name": "turn-ignored-when-game-over",
      "args": [
        {
          "width": 5,
          "height": 5,
          "snake": [
            {
              "x": 2,
              "y": 2
            },
            {
              "x": 1,
              "y": 2
            },
            {
              "x": 0,
              "y": 2
            }
          ],
          "dir": "Right",
          "nextDir": "Right",
          "apple": null,
          "seed": 1,
          "score": 0,
          "status": "GameOver",
          "frame": 0
        },
        "Up"
      ],
      "expected": {
        "width": 5,
        "height": 5,
        "snake": [
          {
            "x": 2,
            "y": 2
          },
          {
            "x": 1,
            "y": 2
          },
          {
            "x": 0,
            "y": 2
          }
        ],
        "dir": "Right",
        "nextDir": "Right",
        "apple": null,
        "seed": 1,
        "score": 0,
        "status": "GameOver",
        "frame": 0
      }
    },
    {
      "name": "turn-ignored-when-won",
      "args": [
        {
          "width": 5,
          "height": 5,
          "snake": [
            {
              "x": 2,
              "y": 2
            },
            {
              "x": 1,
              "y": 2
            },
            {
              "x": 0,
              "y": 2
            }
          ],
          "dir": "Right",
          "nextDir": "Right",
          "apple": null,
          "seed": 1,
          "score": 0,
          "status": "Won",
          "frame": 0
        },
        "Up"
      ],
      "expected": {
        "width": 5,
        "height": 5,
        "snake": [
          {
            "x": 2,
            "y": 2
          },
          {
            "x": 1,
            "y": 2
          },
          {
            "x": 0,
            "y": 2
          }
        ],
        "dir": "Right",
        "nextDir": "Right",
        "apple": null,
        "seed": 1,
        "score": 0,
        "status": "Won",
        "frame": 0
      }
    }
  ]
}