MapLibreParticleLab/metrics/integration/expression-tests/match/empty-case/test.json

{
  "expression": ["match", ["get", "x"], [], "thing one", "thing two"],
  "expected": {
    "compiled": {
      "result": "error",
      "errors": [{"key": "[2]", "error": "Expected at least one branch label."}]
    }
  }
}