{
  "cases": [
    {
      "expression": "@{+123}",
      "expected": {
        "type": "integer",
        "value": 123
      },
      "platforms": [
        "android",
        "ios",
        "web",
        "flutter"
      ]
    },
    {
      "expression": "@{+integer_var}",
      "expected": {
        "type": "integer",
        "value": 123
      },
      "variables": [
        {
          "name": "integer_var",
          "type": "integer",
          "value": 123
        }
      ],
      "platforms": [
        "android",
        "ios",
        "web",
        "flutter"
      ]
    },
    {
      "expression": "@{+ integer_var}",
      "expected": {
        "type": "integer",
        "value": 123
      },
      "variables": [
        {
          "name": "integer_var",
          "type": "integer",
          "value": 123
        }
      ],
      "platforms": [
        "android",
        "ios",
        "web",
        "flutter"
      ]
    },
    {
      "expression": "@{-integer_var}",
      "expected": {
        "type": "integer",
        "value": -123
      },
      "variables": [
        {
          "name": "integer_var",
          "type": "integer",
          "value": 123
        }
      ],
      "platforms": [
        "android",
        "ios",
        "web",
        "flutter"
      ]
    },
    {
      "expression": "@{- integer_var}",
      "expected": {
        "type": "integer",
        "value": -123
      },
      "variables": [
        {
          "name": "integer_var",
          "type": "integer",
          "value": 123
        }
      ],
      "platforms": [
        "android",
        "ios",
        "web",
        "flutter"
      ]
    },
    {
      "expression": "@{+number_var}",
      "expected": {
        "type": "number",
        "value": 123.45
      },
      "variables": [
        {
          "name": "number_var",
          "type": "number",
          "value": 123.45
        }
      ],
      "platforms": [
        "android",
        "ios",
        "web",
        "flutter"
      ]
    },
    {
      "expression": "@{-number_var}",
      "expected": {
        "type": "number",
        "value": 123.45
      },
      "variables": [
        {
          "name": "number_var",
          "type": "number",
          "value": -123.45
        }
      ],
      "platforms": [
        "android",
        "ios",
        "web",
        "flutter"
      ]
    },
    {
      "expression": "@{+boolean_var}",
      "expected": {
        "type": "error",
        "value": "Failed to evaluate [+true]. A Number is expected after a unary plus."
      },
      "variables": [
        {
          "name": "boolean_var",
          "type": "boolean",
          "value": true
        }
      ],
      "platforms": [
        "android",
        "ios",
        "web",
        "flutter"
      ]
    },
    {
      "expression": "@{-boolean_var}",
      "expected": {
        "type": "error",
        "value": "Failed to evaluate [-true]. A Number is expected after a unary minus."
      },
      "variables": [
        {
          "name": "boolean_var",
          "type": "boolean",
          "value": true
        }
      ],
      "platforms": [
        "android",
        "ios",
        "web",
        "flutter"
      ]
    },
    {
      "expression": "@{-(+(-123))}",
      "expected": {
        "type": "integer",
        "value": 123
      },
      "platforms": [
        "android",
        "ios",
        "web",
        "flutter"
      ]
    },
    {
      "expression": "@{++123}",
      "expected": {
        "type": "error",
        "value": ""
      },
      "platforms": [
        "android",
        "ios",
        "web",
        "flutter"
      ]
    },
    {
      "name": "+-123 => error",
      "expression": "@{+-123}",
      "expected": {
        "type": "error",
        "value": ""
      },
      "platforms": [
        "android",
        "ios",
        "web",
        "flutter"
      ]
    }
  ]
}