From 9dfb680e7543a3a701b3e410bfccbcce3b274d9f Mon Sep 17 00:00:00 2001
From: Aria Stewart <aredridel@dinhe.net>
Date: Sun, 29 Dec 2019 19:51:05 -0500
Subject: [PATCH] [Refactor] Avoid setting message property on primitives; use
 strict mode to catch this

---
 lib/test.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/test.js b/lib/test.js
index b44388bf..df4d0ec5 100644
--- a/lib/test.js
+++ b/lib/test.js
@@ -1,3 +1,5 @@
+'use strict';
+
 var deepEqual = require('deep-equal');
 var defined = require('defined');
 var path = require('path');
@@ -497,7 +499,7 @@ Test.prototype['throws'] = function (fn, expected, msg, extra) {
         fn();
     } catch (err) {
         caught = { error: err };
-        if ((err != null) && (!isEnumerable(err, 'message') || !has(err, 'message'))) {
+        if (Object(err) === err && (!isEnumerable(err, 'message') || !has(err, 'message'))) {
             var message = err.message;
             delete err.message;
             err.message = message;