test: add already-aborted-controller test for spawn()

PR-URL: #36644 Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com> Reviewed-By: Daijiro Wachi <daijiro.wachi@gmail.com>

Author: Trott

test/parallel/test-child-process-spawn-controller.js

@@ -5,18 +5,38 @@ const common = require('../common');
 const assert = require('assert');
 const cp = require('child_process');
 
-// Verify that passing an AbortSignal works
-const controller = new AbortController();
-const { signal } = controller;
+{
+ // Verify that passing an AbortSignal works
+ const controller = new AbortController();
+ const { signal } = controller;
 
-const echo = cp.spawn('echo', ['fun'], {
- encoding: 'utf8',
- shell: true,
- signal
-});
+ const echo = cp.spawn('echo', ['fun'], {
+  encoding: 'utf8',
+  shell: true,
+  signal
+ });
 
-echo.on('error', common.mustCall((e) => {
- assert.strictEqual(e.name, 'AbortError');
-}));
+ echo.on('error', common.mustCall((e) => {
+  assert.strictEqual(e.name, 'AbortError');
+ }));
 
-controller.abort();
+ controller.abort();
+}
+
+{
+ // Verify that passing an already-aborted signal works.
+ const controller = new AbortController();
+ const { signal } = controller;
+
+ controller.abort();
+
+ const echo = cp.spawn('echo', ['fun'], {
+ encoding: 'utf8',
+ shell: true,
+ signal
+ });
+
+ echo.on('error', common.mustCall((e) => {
+ assert.strictEqual(e.name, 'AbortError');
+ }));
+}