duration.json

[
    {
        "description": "validation of duration strings",
        "schema": {
            "$schema": "https://json-schema.org/draft/next/schema",
            "format": "duration"
        },
        "tests": [
            {
                "description": "an invalid duration string",
                "data": "PT1D",
                "valid": false
            },
            {
                "description": "no elements present",
                "data": "P",
                "valid": false
            },
            {
                "description": "no time elements present",
                "data": "P1YT",
                "valid": false
            },
            {
                "description": "no date or time elements present",
                "data": "PT",
                "valid": false
            },
            {
                "description": "elements out of order",
                "data": "P2D1Y",
                "valid": false
            },
            {
                "description": "missing time separator",
                "data": "P1D2H",
                "valid": false
            },
            {
                "description": "time element in the date position",
                "data": "P2S",
                "valid": false
            },
            {
                "description": "weeks cannot be combined with other units",
                "data": "P1Y2W",
                "valid": false
            },
            {
                "description": "invalid non-ASCII '২' (a Bengali 2)",
                "data": "P২Y",
                "valid": false
            },
            {
                "description": "element without unit",
                "data": "P1",
                "valid": false
            }
        ]
    }
]