{
  "function": "pongKey",
  "cases": [
    {
      "name": "ArrowUp-down-presses-up",
      "args": [
        true,
        "ArrowUp"
      ],
      "expected": {
        "tag": "Press",
        "key": "Up"
      }
    },
    {
      "name": "ArrowUp-up-releases-up",
      "args": [
        false,
        "ArrowUp"
      ],
      "expected": {
        "tag": "Release",
        "key": "Up"
      }
    },
    {
      "name": "w-down-presses-up",
      "args": [
        true,
        "w"
      ],
      "expected": {
        "tag": "Press",
        "key": "Up"
      }
    },
    {
      "name": "w-up-releases-up",
      "args": [
        false,
        "w"
      ],
      "expected": {
        "tag": "Release",
        "key": "Up"
      }
    },
    {
      "name": "ArrowDown-down-presses-down",
      "args": [
        true,
        "ArrowDown"
      ],
      "expected": {
        "tag": "Press",
        "key": "Down"
      }
    },
    {
      "name": "ArrowDown-up-releases-down",
      "args": [
        false,
        "ArrowDown"
      ],
      "expected": {
        "tag": "Release",
        "key": "Down"
      }
    },
    {
      "name": "s-down-presses-down",
      "args": [
        true,
        "s"
      ],
      "expected": {
        "tag": "Press",
        "key": "Down"
      }
    },
    {
      "name": "s-up-releases-down",
      "args": [
        false,
        "s"
      ],
      "expected": {
        "tag": "Release",
        "key": "Down"
      }
    },
    {
      "name": "r-down-restarts",
      "args": [
        true,
        "r"
      ],
      "expected": {
        "tag": "Restart"
      }
    },
    {
      "name": "r-up-does-nothing",
      "args": [
        false,
        "r"
      ],
      "expected": null
    },
    {
      "name": "other-key-down-is-ignored",
      "args": [
        true,
        "x"
      ],
      "expected": null
    },
    {
      "name": "other-key-up-is-ignored",
      "args": [
        false,
        "x"
      ],
      "expected": null
    },
    {
      "name": "space-is-ignored",
      "args": [
        true,
        " "
      ],
      "expected": null
    },
    {
      "name": "constructor-is-not-a-key",
      "args": [
        true,
        "constructor"
      ],
      "expected": null
    },
    {
      "name": "toString-is-not-a-key",
      "args": [
        false,
        "toString"
      ],
      "expected": null
    },
    {
      "name": "W-down-presses-up",
      "args": [
        true,
        "W"
      ],
      "expected": {
        "tag": "Press",
        "key": "Up"
      }
    },
    {
      "name": "W-up-releases-up",
      "args": [
        false,
        "W"
      ],
      "expected": {
        "tag": "Release",
        "key": "Up"
      }
    },
    {
      "name": "S-down-presses-down",
      "args": [
        true,
        "S"
      ],
      "expected": {
        "tag": "Press",
        "key": "Down"
      }
    },
    {
      "name": "S-up-releases-down",
      "args": [
        false,
        "S"
      ],
      "expected": {
        "tag": "Release",
        "key": "Down"
      }
    },
    {
      "name": "R-down-restarts",
      "args": [
        true,
        "R"
      ],
      "expected": {
        "tag": "Restart"
      }
    },
    {
      "name": "R-up-does-nothing",
      "args": [
        false,
        "R"
      ],
      "expected": null
    }
  ]
}