{
  "version": 8,
  "sources": {
    "point": {
      "type": "geojson",
      "data": {
        "type": "FeatureCollection",
        "features": [
          {
            "type": "Feature",
            "geometry": {
              "type": "Point",
              "coordinates": [ 0, 0 ]
            }
          }
        ]
      }
    }
  },
  "layers": [
    {
      "id": "valid",
      "type": "circle",
      "source": "point",
      "paint": {
        "circle-radius": 5
      }
    },
    {
      "id": "zero",
      "type": "circle",
      "source": "point",
      "paint": {
        "circle-radius": 0
      }
    },
    {
      "id": "less-than-zero",
      "type": "circle",
      "source": "point",
      "paint": {
        "circle-radius": -1
      }
    },
    {
      "id": "null-not-number",
      "type": "circle",
      "source": "point",
      "paint": {
        "circle-radius": null
      }
    },
    {
      "id": "object-not-number",
      "type": "circle",
      "source": "point",
      "paint": {
        "circle-radius": {}
      }
    },
    {
      "id": "array-not-number",
      "type": "circle",
      "source": "point",
      "paint": {
        "circle-radius": []
      }
    },
    {
      "id": "boolean-not-number",
      "type": "circle",
      "source": "point",
      "paint": {
        "circle-radius": true
      }
    },
    {
      "id": "expression",
      "type": "circle",
      "source": "point",
      "paint": {
        "circle-radius": ["sqrt", 16]
      }
    },
    {
      "id": "expression-invalid",
      "type": "circle",
      "source": "point",
      "paint": {
        "circle-radius": ["/", 0, 0]
      }
    }
  ]
}