nodejs/test/parallel/test-fs-write-string-coerce.js

29 lines
847 B
JavaScript

'use strict';
const common = require('../common');
const assert = require('assert');
const path = require('path');
const fs = require('fs');
const tmpdir = require('../common/tmpdir');
tmpdir.refresh();
const fn = path.join(tmpdir.path, 'write-string-coerce.txt');
const data = true;
const expected = String(data);
fs.open(fn, 'w', 0o644, common.mustCall(function(err, fd) {
assert.ifError(err);
console.log('open done');
fs.write(fd, data, 0, 'utf8', common.mustCall(function(err, written) {
console.log('write done');
assert.ifError(err);
assert.strictEqual(written, Buffer.byteLength(expected));
fs.closeSync(fd);
const found = fs.readFileSync(fn, 'utf8');
console.log(`expected: "${expected}"`);
console.log(`found: "${found}"`);
fs.unlinkSync(fn);
assert.strictEqual(found, expected);
}));
}));