From f686f7346506ef8970d95b9f226f2c5bef95a8e2 Mon Sep 17 00:00:00 2001
From: Gergely Nemeth <mail@nemethgergely.com>
Date: Wed, 31 May 2017 10:01:26 +0200
Subject: [PATCH] test: add coverage for AsyncResource constructor

PR-URL: https://github.com/nodejs/node/pull/13327
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Trevor Norris <trev.norris@gmail.com>
---
 ...st-async-wrap-asyncresource-constructor.js | 23 +++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 test/parallel/test-async-wrap-asyncresource-constructor.js

diff --git a/test/parallel/test-async-wrap-asyncresource-constructor.js b/test/parallel/test-async-wrap-asyncresource-constructor.js
new file mode 100644
index 00000000000000..c8ecf047405510
--- /dev/null
+++ b/test/parallel/test-async-wrap-asyncresource-constructor.js
@@ -0,0 +1,23 @@
+'use strict';
+require('../common');
+
+// This tests that AsyncResource throws an error if bad parameters are passed
+
+const assert = require('assert');
+const AsyncResource = require('async_hooks').AsyncResource;
+
+assert.throws(() => {
+  return new AsyncResource();
+}, /^TypeError: type must be a string with length > 0$/);
+
+assert.throws(() => {
+  new AsyncResource('');
+}, /^TypeError: type must be a string with length > 0$/);
+
+assert.throws(() => {
+  new AsyncResource('type', -4);
+}, /^RangeError: triggerId must be an unsigned integer$/);
+
+assert.throws(() => {
+  new AsyncResource('type', Math.PI);
+}, /^RangeError: triggerId must be an unsigned integer$/);