From d30af90bae0a887feb013ca3aac9a0aae6566ced Mon Sep 17 00:00:00 2001
From: tshemsedinov <timur.shemsedinov@gmail.com>
Date: Wed, 27 Mar 2019 10:10:56 +0200
Subject: [PATCH] Simple test for Web Locks API

Refs: https://github.com/metarhia/metasync/issues/416
---
 test/locks.js | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 test/locks.js

diff --git a/test/locks.js b/test/locks.js
new file mode 100644
index 00000000..4fd1491d
--- /dev/null
+++ b/test/locks.js
@@ -0,0 +1,28 @@
+'use strict';
+
+const { isMainThread } = require('worker_threads');
+const { locks } = require('..');
+const { Thread } = locks;
+const metatests = require('metatests');
+
+const sleep = msec =>
+  new Promise(resolve => {
+    setTimeout(resolve, msec);
+  });
+
+if (isMainThread) {
+  metatests.test('locks: enter and leave', test => {
+    new Thread();
+    new Thread();
+
+    setTimeout(() => {
+      locks.request('A', async lock => {
+        test.end();
+      });
+    }, 100);
+  });
+} else {
+  locks.request('A', async lock => {
+    await sleep(100);
+  });
+}