A quick assessment of Go JSON parser conformance to RFC 7159

test_json.go

// go build test_json.go

// echo -n "[1e1000]" > n.json
// ./test_json n.json 
// echo $? # 0 - failed to parse valid JSON

// echo -en '["\xFF"]' > s.json
// ./test_json s.json
// echo $? # 1 - parsed invalid JSON

package main

import "encoding/json"
import "io/ioutil"
import "os"

func main() {
    
    b, file_err := ioutil.ReadFile(os.Args[1])
    if file_err != nil {
        os.Exit(-1)
    }
    
    var f interface{}
    err := json.Unmarshal(b, &f)
    
    if err != nil {
        os.Exit(1)
    }

    os.Exit(0)
}