{
  "version": 8,
  "sources": {
    "source": {
      "type": "vector",
      "url": "https://demotiles.maplibre.org/tiles/tiles.json"
    }
  },
  "layers": [
    {
      "id": "bad-base",
      "type": "line",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "line-width": {
          "base": "5",
          "stops": []
        }
      }
    },
    {
      "id": "missing-stops",
      "type": "line",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "line-width": {
        }
      }
    },
    {
      "id": "zero-stops",
      "type": "line",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "line-width": {
          "stops": []
        }
      }
    },
    {
      "id": "bad-stops",
      "type": "line",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "line-width": {
          "stops": {}
        }
      }
    },
    {
      "id": "bad-stop-type",
      "type": "line",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "line-width": {
          "stops": [
            "1"
          ]
        }
      }
    },
    {
      "id": "bad-stop-length",
      "type": "line",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "line-width": {
          "stops": [
            []
          ]
        }
      }
    },
    {
      "id": "bad-stop-zoom",
      "type": "line",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "line-dasharray": {
          "stops": [
            [
              "1",
              [1, 1]
            ]
          ]
        }
      }
    },
    {
      "id": "bad-stop-value",
      "type": "line",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "line-width": {
          "stops": [
            [
              1,
              "#fff"
            ]
          ]
        }
      }
    },
    {
      "id": "bad-stop-order",
      "type": "line",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "line-width": {
          "stops": [
            [
              2,
              0
            ],
            [
              1,
              0
            ]
          ]
        }
      }
    },
    {
      "id": "v6-array-function",
      "type": "fill",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "fill-translate": [
          {
            "base": 1,
            "stops": [
              [
                15,
                0
              ],
              [
                16,
                -2
              ]
            ]
          },
          {
            "base": 1,
            "stops": [
              [
                15,
                0
              ],
              [
                16,
                -2
              ]
            ]
          }
        ]
      }
    },
    {
      "id": "v7-array-function",
      "type": "fill",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "fill-translate": {
          "base": 1,
          "stops": [
            [
              15,
              [
                0,
                0
              ]
            ],
            [
              16,
              [
                -2,
                -2
              ]
            ]
          ]
        }
      }
    },
    {
      "id": "non-integer-discrete-zoom",
      "type": "fill",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "fill-antialias": {
          "stops": [
            [
              0.5,
              true
            ]
          ]
        }
      }
    },
    {
      "id": "mixed-stop-key-types",
      "type": "fill",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "fill-color": {
          "property": "mapbox",
          "stops": [
            [
              {
                "zoom": 0,
                "value": 1
              },
              "#fff"
            ],
            [
              0.5,
              "#fff"
            ]
          ]
        }
      }
    },
    {
      "id": "missing stop zoom",
      "type": "fill",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "fill-color": {
          "property": "mapbox",
          "stops": [
            [
              {
                "value": "asdf"
              },
              "#fff"
            ]
          ]
        }
      }
    },
    {
      "id": "missing stop feature value",
      "type": "fill",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "fill-color": {
          "property": "mapbox",
          "stops": [
            [
              {
                "zoom": 1
              },
              "#fff"
            ]
          ]
        }
      }
    },
    {
      "id": "invalid stop zoom type",
      "type": "fill",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "fill-color": {
          "property": "mapbox",
          "stops": [
            [
              {
                "zoom": "1",
                "value": 0
              },
              "#fff"
            ]
          ]
        }
      }
    },
    {
      "id": "invalid stop feature value type",
      "type": "fill",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "fill-color": {
          "property": "mapbox",
          "stops": [
            [
              {
                "zoom": 1,
                "value": {
                  "asdf": true
                }
              },
              "#fff"
            ]
          ]
        }
      }
    },
    {
      "id": "invalid categorical function - missing type and property",
      "type": "fill",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "fill-color": {
          "stops": [
            [
              "bad",
              "#fff"
            ]
          ]
        }
      }
    },
    {
      "id": "invalid categorical function - missing type",
      "type": "fill",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "fill-color": {
          "property": "mapbox",
          "stops": [
            [
              "bad",
              "#fff"
            ]
          ]
        }
      }
    },
    {
      "id": "invalid categorical function - missing property",
      "type": "fill",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "fill-color": {
          "type": "categorical",
          "stops": [
            [
              "bad",
              "#fff"
            ]
          ]
        }
      }
    },
    {
      "id": "valid categorical function",
      "type": "fill",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "fill-color": {
          "type": "categorical",
          "property": "mapbox",
          "stops": [
            [
              "good",
              "#fff"
            ]
          ]
        }
      }
    },
    {
      "id": "valid identity function",
      "type": "fill",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "fill-color": {
          "type": "identity",
          "property": "foo"
        }
      }
    },
    {
      "id": "invalid identity function missing property",
      "type": "fill",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "fill-color": {
          "type": "identity"
        }
      }
    },
    {
      "id": "invalid identity function with stops",
      "type": "fill",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "fill-color": {
          "type": "identity",
          "property": "foo",
          "stops": []
        }
      }
    },
    {
      "id": "invalid mixed domain types for property function",
      "type": "fill",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "fill-color": {
          "property": "mapbox",
          "type": "categorical",
          "stops": [
            [
              "good",
              "green"
            ],
            [
              1,
              "blue"
            ]
          ]
        }
      }
    },
    {
      "id": "invalid mixed domain types for zoom-and-property function",
      "type": "fill",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "fill-color": {
          "property": "mapbox",
          "type": "categorical",
          "stops": [
            [
              {"zoom": 0, "value": "good"},
              "green"
            ],
            [
              {"zoom": 0, "value": 1},
              "blue"
            ]
          ]
        }
      }
    },
    {
      "id": "invalid domain type for exponential property function",
      "type": "fill",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "fill-color": {
          "property": "mapbox",
          "type": "exponential",
          "stops": [
            [
              "good",
              "green"
            ]
          ]
        }
      }
    },
    {
      "id": "invalid domain type for exponential zoom-and-property function",
      "type": "fill",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "fill-color": {
          "property": "mapbox",
          "type": "exponential",
          "stops": [
            [
              {"zoom": 0, "value": "good"},
              "green"
            ]
          ]
        }
      }
    },
    {
      "id": "invalid domain type for interval property function",
      "type": "fill",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "fill-color": {
          "property": "mapbox",
          "type": "interval",
          "stops": [
            [
              "good",
              "green"
            ]
          ]
        }
      }
    },
    {
      "id": "invalid domain type for interval zoom-and-property function",
      "type": "fill",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "fill-color": {
          "property": "mapbox",
          "type": "interval",
          "stops": [
            [
              {"zoom": 0, "value": "good"},
              "green"
            ]
          ]
        }
      }
    },
    {
      "id": "valid boolean domain type",
      "type": "fill",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "fill-color": {
          "property": "mapbox",
          "type": "categorical",
          "stops": [
            [
              true,
              "green"
            ]
          ]
        }
      }
    },
    {
      "id": "invalid array domain type",
      "type": "fill",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "fill-color": {
          "property": "mapbox",
          "type": "categorical",
          "stops": [
            [
              [],
              "green"
            ]
          ]
        }
      }
    },
    {
      "id": "invalid null domain type",
      "type": "fill",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "fill-color": {
          "property": "mapbox",
          "type": "categorical",
          "stops": [
            [
              null,
              "green"
            ]
          ]
        }
      }
    },
    {
      "id": "invalid explicit exponential function",
      "type": "fill",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "fill-antialias": {
          "type": "exponential",
          "stops": [
            [
              0,
              true
            ],
            [
              1,
              false
            ]
          ]
        }
      }
    },
    {
      "id": "invalid zoom-and-property missing property",
      "type": "fill",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "fill-antialias": {
          "stops": [
            [
              {
                "zoom": 1,
                "value": "v"
              },
              true
            ]
          ]
        }
      }
    },
    {
      "id": "invalid categorical function repeating stops",
      "type": "fill",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "fill-opacity": {
          "type": "categorical",
          "property": "mapbox",
          "stops": [
            [
              "foo",
              0
            ],
            [
              "bar",
              0
            ],
            [
              "foo",
              0
            ]
          ]
        }
      }
    },
    {
      "id": "invalid categorical function fractional stop",
      "type": "fill",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "fill-opacity": {
          "type": "categorical",
          "property": "mapbox",
          "stops": [
            [
              0.33,
              0
            ]
          ]
        }
      }
    },
    {
      "id": "invalid zoom-and-property function non-ascending stop values",
      "type": "fill",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "fill-opacity": {
          "property": "mapbox",
          "stops": [
            [
              {
                "zoom": 0,
                "value": 1
              },
              0
            ],
            [
              {
                "zoom": 0,
                "value": 0
              },
              0
            ]
          ]
        }
      }
    },
    {
      "id": "invalid zoom-and-property function non-ascending stop zooms",
      "type": "fill",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "fill-opacity": {
          "property": "mapbox",
          "stops": [
            [
              {
                "zoom": 1,
                "value": 0
              },
              0
            ],
            [
              {
                "zoom": 0,
                "value": 1
              },
              0
            ]
          ]
        }
      }
    },
    {
      "id": "invalid categorical zoom-and-property function - repeated stop",
      "type": "fill",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "fill-opacity": {
          "property": "mapbox",
          "type": "categorical",
          "stops": [
            [
              {
                "zoom": 0,
                "value": "0"
              },
              0
            ],
            [
              {
                "zoom": 0,
                "value": "1"
              },
              0
            ],
            [
              {
                "zoom": 0,
                "value": "0"
              },
              0
            ]
          ]
        }
      }
    },
    {
      "id": "valid categorical zoom-and-property function",
      "type": "fill",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "fill-opacity": {
          "property": "mapbox",
          "type": "categorical",
          "stops": [
            [
              {
                "zoom": 0,
                "value": "0"
              },
              0
            ],
            [
              {
                "zoom": 0,
                "value": "1"
              },
              1
            ],
            [
              {
                "zoom": 1,
                "value": "0"
              },
              0
            ],
            [
              {
                "zoom": 1,
                "value": "1"
              },
              1
            ]
          ]
        }
      }
    },
    {
      "id": "valid default",
      "type": "fill",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "fill-opacity": {
          "property": "mapbox",
          "type": "identity",
          "default": 0
        }
      }
    },
    {
      "id": "invalid default - wrong type",
      "type": "fill",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "fill-opacity": {
          "property": "mapbox",
          "type": "identity",
          "default": "0"
        }
      }
    },
    {
      "id": "invalid default - color",
      "type": "fill",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "fill-color": {
          "property": "mapbox",
          "type": "identity",
          "default": "invalid"
        }
      }
    },
    {
      "id": "invalid interval property function non-ascending stop values",
      "type": "fill",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "fill-opacity": {
          "property": "mapbox",
          "type": "interval",
          "stops": [
            [
              1, 1
            ],
            [
              0, 0
            ]
          ]
        }
      }
    },
    {
      "id": "valid categorical property function non-ascending stop values",
      "type": "fill",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "fill-opacity": {
          "property": "mapbox",
          "type": "categorical",
          "stops": [
            [
              1, 1
            ],
            [
              0, 0
            ]
          ]
        }
      }
    },
    {
      "id": "valid expression",
      "type": "fill",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "fill-color": ["rgba", 10, ["number", ["get", "x"]], 30, 1]
      }
    },
    {
      "id": "invalid expression type - color",
      "type": "fill",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "fill-color": ["pi"]
      }
    },
    {
      "id": "invalid expression - fails type checking",
      "type": "fill",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "fill-color": ["rgba", 1, "should be a number", 0, 1]
      }
    },
    {
      "id": "invalid expression - nested zoom expression",
      "type": "fill",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "fill-opacity": ["+", 0.5, ["interpolate", ["linear"], ["zoom"], 0, 0, 1, 1]]
      }
    },
    {
      "id": "invalid expression - not allowed in visibility",
      "type": "fill",
      "source": "source",
      "source-layer": "layer",
      "layout": {
        "visibility": ["literal", true]
      }
    },
    {
      "id": "invalid expression - not a DDS property",
      "type": "fill-extrusion",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "fill-extrusion-opacity": ["get", "opacity"]
      }
    },
    {
      "id": "invalid expression - line-dasharray must use step interpolation",
      "type": "line",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "line-dasharray": ["interpolate", ["linear"], ["zoom"], 0, ["literal", [1, 2]], 1, ["literal", [3, 4]]]
      }
    },
    {
      "id": "invalid expression - heatmap-color must be zoom constant",
      "type": "heatmap",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "heatmap-color": ["step", ["zoom"], ["step", ["heatmap-density"], "red", 0.5, "blue"], 1, ["step", ["heatmap-density"], "yellow", 0.5, "green"]]
      }
    }, {
      "id": "invalid expression - heatmap-color must not be a function",
      "type": "heatmap",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "heatmap-color": { "stops": [[0, "red"], [1, "blue"]] }
      }
    }, {
        "id": "invalid expression - feature-state is not supported with layout properties",
        "type": "line",
        "source": "source",
        "source-layer": "layer",
        "layout": {
          "line-join": [ "coalesce", ["feature-state", "myState"], "bevel"]
        }
    }, {
      "id": "invalid function - expression as stop value",
      "type": "line",
      "source": "source",
      "source-layer": "layer",
      "paint": {
        "line-width": {
          "base": 1,
          "stops": [
            [
              6,
              [
                "literal",
                3
              ]
            ]
          ]
        }
      }
    }
  ]
}