From 7b5d660bb184afdc8d723a856484e648bf7f17ae Mon Sep 17 00:00:00 2001
From: Chengzhong Wu <cwu631@bloomberg.net>
Date: Mon, 21 Oct 2024 13:52:36 +0100
Subject: [PATCH] test: add repl preview timeout test

PR-URL: https://github.com/nodejs/node/pull/55484
Refs: https://github.com/v8/v8/commit/f915fa4c9f4162dd9258535eee03b1b0484bf38e
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
---
 test/parallel/test-repl-preview-timeout.js | 27 ++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 test/parallel/test-repl-preview-timeout.js

diff --git a/test/parallel/test-repl-preview-timeout.js b/test/parallel/test-repl-preview-timeout.js
new file mode 100644
index 00000000000000..df6a8cf2b1cba7
--- /dev/null
+++ b/test/parallel/test-repl-preview-timeout.js
@@ -0,0 +1,27 @@
+'use strict';
+
+const common = require('../common');
+const ArrayStream = require('../common/arraystream');
+const assert = require('assert');
+const repl = require('repl');
+
+common.skipIfInspectorDisabled();
+
+const inputStream = new ArrayStream();
+const outputStream = new ArrayStream();
+repl.start({
+  input: inputStream,
+  output: outputStream,
+  useGlobal: false,
+  terminal: true,
+  useColors: true
+});
+
+let output = '';
+outputStream.write = (chunk) => output += chunk;
+
+// Input without '\n' triggering actual run.
+const input = 'while (true) {}';
+inputStream.emit('data', input);
+// No preview available when timed out.
+assert.strictEqual(output, input);