json 0.12.4

JSON implementation in Rust
Documentation
extern crate json;

mod json_checker_fail {
    use super::json::parse;

    #[test]
    fn unclosed_array() {
        assert!(parse(r#"["Unclosed array""#).is_err());
    }

    #[test]
    fn unquoted_key() {
        assert!(parse(r#"{unquoted_key: "keys must be quoted"}"#).is_err());
    }

    #[test]
    fn extra_comma_arr() {
        assert!(parse(r#"["extra comma",]"#).is_err());
    }

    #[test]
    fn double_extra_comma() {
        assert!(parse(r#"["double extra comma",,]"#).is_err());
    }

    #[test]
    fn missing_value() {
        assert!(parse(r#"[   , "<-- missing value"]"#).is_err());
    }

    #[test]
    fn comma_after_close() {
        assert!(parse(r#"["Comma after the close"],"#).is_err());
    }

    #[test]
    fn extra_close() {
        assert!(parse(r#"["Extra close"]]"#).is_err());
    }

    #[test]
    fn extra_comma_obj() {
        assert!(parse(r#"{"Extra comma": true,}"#).is_err());
    }

    #[test]
    fn extra_value_after_close() {
        assert!(parse(r#"{"Extra value after close": true} "misplaced quoted value""#).is_err());
    }

    #[test]
    fn illegal_expression() {
        assert!(parse(r#"{"Illegal expression": 1 + 2}"#).is_err());
    }

    #[test]
    fn illegal_invocation() {
        assert!(parse(r#"{"Illegal invocation": alert()}"#).is_err());
    }

    #[test]
    fn numbers_cannot_have_leading_zeroes() {
        assert!(parse(r#"{"Numbers cannot have leading zeroes": 013}"#).is_err());
    }

    #[test]
    fn numbers_cannot_be_hex() {
        assert!(parse(r#"{"Numbers cannot be hex": 0x14}"#).is_err());
    }

    #[test]
    fn illegal_backslash_escape() {
        assert!(parse(r#"["Illegal backslash escape: \x15"]"#).is_err());
    }

    #[test]
    fn naked() {
        assert!(parse(r#"[\naked]"#).is_err());
    }

    #[test]
    fn illegal_backslash_escape_2() {
        assert!(parse(r#"["Illegal backslash escape: \017"]"#).is_err());
    }

    #[test]
    fn missing_colon() {
        assert!(parse(r#"{"Missing colon" null}"#).is_err());
    }

    #[test]
    fn double_colon() {
        assert!(parse(r#"{"Double colon":: null}"#).is_err());
    }

    #[test]
    fn comma_instead_of_colon() {
        assert!(parse(r#"{"Comma instead of colon", null}"#).is_err());
    }

    #[test]
    fn colon_instead_of_comma() {
        assert!(parse(r#"["Colon instead of comma": false]"#).is_err());
    }

    #[test]
    fn bad_value() {
        assert!(parse(r#"["Bad value", truth]"#).is_err());
    }

    #[test]
    fn single_quote() {
        assert!(parse(r#"['single quote']"#).is_err());
    }

    #[test]
    fn tab_character_in_string() {
        assert!(parse("[\"\ttab\tcharacter\tin\tstring\t\"]").is_err());
    }

    #[test]
    fn tab_character_in_string_esc() {
        assert!(parse("[\"tab\\\tcharacter\\\tin\\\tstring\\\t\"]").is_err());
    }

    #[test]
    fn line_break() {
        assert!(parse("[\"line\nbreak\"]").is_err());
    }

    #[test]
    fn line_break_escaped() {
        assert!(parse("[\"line\\\nbreak\"]").is_err());
    }

    #[test]
    fn no_exponent() {
        assert!(parse(r#"[0e]"#).is_err());
    }

    #[test]
    fn no_exponent_plus() {
        assert!(parse(r#"[0e+]"#).is_err());
    }

    #[test]
    fn exponent_both_signs() {
        assert!(parse(r#"[0e+-1]"#).is_err());
    }

    #[test]
    fn comma_instead_of_closing_brace() {
        assert!(parse(r#"{"Comma instead if closing brace": true,"#).is_err());
    }

    #[test]
    fn missmatch() {
        assert!(parse(r#"["mismatch"}"#).is_err());
    }
}

mod json_checker_pass {
    use super::json::parse;

    #[test]
    fn pass_1() {
        parse(r##"

        [
            "JSON Test Pattern pass1",
            {"object with 1 member":["array with 1 element"]},
            {},
            [],
            -42,
            true,
            false,
            null,
            {
                "integer": 1234567890,
                "real": -9876.543210,
                "e": 0.123456789e-12,
                "E": 1.234567890E+34,
                "":  23456789012E66,
                "zero": 0,
                "one": 1,
                "space": " ",
                "quote": "\"",
                "backslash": "\\",
                "controls": "\b\f\n\r\t",
                "slash": "/ & \/",
                "alpha": "abcdefghijklmnopqrstuvwyz",
                "ALPHA": "ABCDEFGHIJKLMNOPQRSTUVWYZ",
                "digit": "0123456789",
                "0123456789": "digit",
                "special": "`1~!@#$%^&*()_+-={':[,]}|;.</>?",
                "hex": "\u0123\u4567\u89AB\uCDEF\uabcd\uef4A",
                "true": true,
                "false": false,
                "null": null,
                "array":[  ],
                "object":{  },
                "address": "50 St. James Street",
                "url": "http://www.JSON.org/",
                "comment": "// /* <!-- --",
                "# -- --> */": " ",
                " s p a c e d " :[1,2 , 3

        ,

        4 , 5        ,          6           ,7        ],"compact":[1,2,3,4,5,6,7],
                "jsontext": "{\"object with 1 member\":[\"array with 1 element\"]}",
                "quotes": "&#34; \u0022 %22 0x22 034 &#x22;",
                "\/\\\"\uCAFE\uBABE\uAB98\uFCDE\ubcda\uef4A\b\f\n\r\t`1~!@#$%^&*()_+-=[]{}|;:',./<>?"
        : "A key can be any string"
            },
            0.5 ,98.6
        ,
        99.44
        ,

        1066,
        1e1,
        0.1e1,
        1e-1,
        1e00,2e+00,2e-00
        ,"rosebud"]

        "##).unwrap();

        assert!(true);
    }

    #[test]
    fn pass_2() {
        parse(r#"[[[[[[[[[[[[[[[[[[["Not too deep"]]]]]]]]]]]]]]]]]]]"#).unwrap();

        assert!(true);
    }

    #[test]
    fn pass_3() {
        parse(r#"

        {
            "JSON Test Pattern pass3": {
                "The outermost value": "must be an object or array.",
                "In this test": "It is an object."
            }
        }

        "#).unwrap();

        assert!(true);
    }
}