{
  "expression": ["round", ["get", "x"]],
  "inputs": [
    [{}, {"properties": {"x": -2.6}}],
    [{}, {"properties": {"x": -2.5}}],
    [{}, {"properties": {"x": -2.4}}],
    [{}, {"properties": {"x": -2}}],
    [{}, {"properties": {"x": 2.6}}],
    [{}, {"properties": {"x": 2.5}}],
    [{}, {"properties": {"x": 2.4}}],
    [{}, {"properties": {"x": 2}}]
  ],
  "expected": {
    "compiled": {
      "result": "success",
      "isFeatureConstant": false,
      "isZoomConstant": true,
      "type": "number"
    },
    "outputs": [-3, -3, -2, -2, 3, 3, 2, 2],
    "serialized": ["round", ["number", ["get", "x"]]]
  }
}