[
  {
    "id": "$limit example",
    "stage": "$limit",
    "kind": "example",
    "pipeline": [
      {
        "$limit": 1
      }
    ],
    "input": [
      {
        "x": 1
      },
      {
        "x": 2
      }
    ],
    "result": [
      {
        "x": 1
      }
    ]
  },
  {
    "id": "$limit empty input",
    "stage": "$limit",
    "kind": "empty input",
    "pipeline": [
      {
        "$limit": 1
      }
    ],
    "input": [],
    "result": []
  },
  {
    "id": "$limit invalid specification",
    "stage": "$limit",
    "kind": "invalid specification",
    "pipeline": [
      {
        "$limit": null
      }
    ],
    "input": [
      {
        "x": 1
      },
      {
        "x": 2
      }
    ],
    "error": "IllegalArgumentException",
    "message": "$limit stage requires a numeric argument"
  },
  {
    "id": "$limit negative count",
    "stage": "$limit",
    "kind": "negative count",
    "pipeline": [
      {
        "$limit": -1
      }
    ],
    "input": [
      {
        "x": 1
      }
    ],
    "error": "IllegalArgumentException",
    "message": "$limit cannot be negative"
  },
  {
    "id": "$limit zero count",
    "stage": "$limit",
    "kind": "zero count",
    "pipeline": [
      {
        "$limit": 0
      }
    ],
    "input": [
      {
        "x": 1
      }
    ],
    "result": []
  }
]