test: add mustCall in test-fs-readfilesync-pipe-large.js

PR-URL: #27458 Reviewed-By: Weijia Wang <[email protected]> Reviewed-By: Yorkie Liu <[email protected]> Reviewed-By: Gireesh Punathil <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Anto Aravinth <[email protected]> Reviewed-By: Yongsheng Zhang <[email protected]>
nodejs · Apr 30, 2019 · e21f035 · e21f035
1 parent 1dd0205
commit e21f035
Showing 1 changed file with 10 additions and 6 deletions.
diff --git a/test/parallel/test-fs-readfilesync-pipe-large.js b/test/parallel/test-fs-readfilesync-pipe-large.js
@@ -26,12 +26,16 @@ const exec = require('child_process').exec;
 const f = JSON.stringify(__filename);
 const node = JSON.stringify(process.execPath);
 const cmd = `cat ${filename} | ${node} ${f} child`;
-exec(cmd, { maxBuffer: 1000000 }, function(err, stdout, stderr) {
-  assert.ifError(err);
-  assert.strictEqual(stdout, dataExpected);
-  assert.strictEqual(stderr, '');
-  console.log('ok');
-});
+exec(
+  cmd,
+  { maxBuffer: 1000000 },
+  common.mustCall(function(err, stdout, stderr) {
+    assert.ifError(err);
+    assert.strictEqual(stdout, dataExpected);
+    assert.strictEqual(stderr, '');
+    console.log('ok');
+  })
+);
 
 process.on('exit', function() {
   fs.unlinkSync(filename);