'use strict'; const common = require('../common'); const assert = require('assert'); const fs = require('fs'); const path = require('path'); const tmpdir = require('../common/tmpdir'); tmpdir.refresh(); const testFilePath = path.join(tmpdir.path, 'fchown-test-file.txt'); fs.writeFileSync(testFilePath, 'test content for fchown'); { const fd = fs.openSync(testFilePath, 'r+'); const stats = fs.fstatSync(fd); const uid = stats.uid; const gid = stats.gid; fs.fchown(fd, -1, -1, common.mustSucceed(() => { const stats = fs.fstatSync(fd); assert.strictEqual(stats.uid, uid); assert.strictEqual(stats.gid, gid); fs.closeSync(fd); })); } // Test sync fchown with -1 values { const fd = fs.openSync(testFilePath, 'r+'); const stats = fs.fstatSync(fd); const uid = stats.uid; const gid = stats.gid; fs.fchownSync(fd, -1, -1); const statsAfter = fs.fstatSync(fd); assert.strictEqual(statsAfter.uid, uid); assert.strictEqual(statsAfter.gid, gid); fs.closeSync(fd); }