---
source: crates/rome_json_parser/tests/spec_test.rs
expression: snapshot
---

## Input

```json
[012]
```


## AST

```
JsonRoot {
    value: JsonArrayValue {
        l_brack_token: L_BRACK@0..1 "[" [] [],
        elements: JsonArrayElementList [
            JsonBogusValue {
                items: [
                    ERROR_TOKEN@1..4 "012" [] [],
                ],
            },
        ],
        r_brack_token: R_BRACK@4..5 "]" [] [],
    },
    eof_token: EOF@5..5 "" [] [],
}
```

## CST

```
0: JSON_ROOT@0..5
  0: JSON_ARRAY_VALUE@0..5
    0: L_BRACK@0..1 "[" [] []
    1: JSON_ARRAY_ELEMENT_LIST@1..4
      0: JSON_BOGUS_VALUE@1..4
        0: ERROR_TOKEN@1..4 "012" [] []
    2: R_BRACK@4..5 "]" [] []
  1: EOF@5..5 "" [] []

```

## Diagnostics

```
number_with_leading_zero.json:1:2 parse ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  × The JSON standard doesn't allow octal number notation (numbers starting with zero)
  
  > 1 │ [012]
      │  ^
  
```