test: replace anonymous closure functions with arrow functions

In `test/parallel/test-fs-truncate-fd.js`, callbacks use anonymous closure functions. It is safe to replace them with arrow functions since these callbacks don't alter their context (`this`). This results in shorter functions. PR-URL: #24478 Reviewed-By: Gireesh Punathil <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Franziska Hinkelmann <[email protected]> Reviewed-By: Sakthipriyan Vairamani <[email protected]> Reviewed-By: Colin Ihrig <[email protected]>
nodejs · Nov 28, 2018 · f19dae3 · f19dae3
1 parent fbb228b
commit f19dae3
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/test/parallel/test-fs-truncate-fd.js b/test/parallel/test-fs-truncate-fd.js
@@ -16,12 +16,12 @@ const msg = 'Using fs.truncate with a file descriptor is deprecated.' +
 
 
 common.expectWarning('DeprecationWarning', msg, 'DEP0081');
-fs.truncate(fd, 5, common.mustCall(function(err) {
+fs.truncate(fd, 5, common.mustCall((err) => {
   assert.ok(!err);
   assert.strictEqual(fs.readFileSync(filename, 'utf8'), 'hello');
 }));
 
-process.on('exit', function() {
+process.on('exit', () => {
   fs.closeSync(fd);
   fs.unlinkSync(filename);
   console.log('ok');