test: add test for customly promisified method names

LiviaMedeiros · LiviaMedeiros · commit d88c028b2554 · 2022-05-28T04:16:43.000+08:00
diff --git a/test/parallel/test-util-promisify-custom-names.mjs b/test/parallel/test-util-promisify-custom-names.mjs
@@ -0,0 +1,40 @@
+import '../common/index.mjs';
+import assert from 'node:assert';
+import { promisify } from 'node:util';
+
+// Test that customly promisified methods in [util.promisify.custom]
+// have appropriate names
+
+import fs from 'node:fs';
+import readline from 'node:readline';
+import stream from 'node:stream';
+import timers from 'node:timers';
+
+
+assert.strictEqual(
+  promisify(fs.exists).name,
+  'exists'
+);
+
+assert.strictEqual(
+  promisify(readline.Interface.prototype.question).name,
+  'question',
+);
+
+assert.strictEqual(
+  promisify(stream.finished).name,
+  'finished'
+);
+assert.strictEqual(
+  promisify(stream.pipeline).name,
+  'pipeline'
+);
+
+assert.strictEqual(
+  promisify(timers.setImmediate).name,
+  'setImmediate'
+);
+assert.strictEqual(
+  promisify(timers.setTimeout).name,
+  'setTimeout'
+);
