fs.close twice

output.txt

open 10
close - should have no error
close2 - should have error
{ [Error: EBADF: bad file descriptor, close] errno: -9, code: 'EBADF', syscall: 'close' }

test-fs-close-twice.js

var assert = require('assert');

var fs = require('fs');

// 'w+' - Open file for reading and writing.
// The file is created (if it does not exist)
// or truncated (if it exists).

fs.open(__dirname + '/test-to-open-a-file.txt', 'w+', function(err1, fd){

    console.log('open', fd);
    fs.close(fd, function(err2){

        console.log('close - should have no error');
        assert.ifError(err2);

        fs.close(fd, function(err3){
            console.log('close2 - should have error');
            console.error(err3);
        });

    });

});