From e875e9aea96b6e5901729efd43f4445eeba0757a Mon Sep 17 00:00:00 2001
From: Superwoods <st_sister@iCloud.com>
Date: Sun, 16 Jul 2017 17:24:34 +0800
Subject: [PATCH] test: use regex with assert.throws

- from JSconfCN 2017 code learn workshop
---
 test/parallel/test-util-format.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/parallel/test-util-format.js b/test/parallel/test-util-format.js
index 084e6f73b90ddf..4527bf40e441fa 100644
--- a/test/parallel/test-util-format.js
+++ b/test/parallel/test-util-format.js
@@ -46,7 +46,7 @@ assert.strictEqual(util.format('%s', symbol), 'Symbol(foo)');
 assert.strictEqual(util.format('%j', symbol), 'undefined');
 assert.throws(function() {
   util.format('%d', symbol);
-}, TypeError);
+}, /^TypeError: Cannot convert a Symbol value to a number$/);
 
 // Number format specifier
 assert.strictEqual(util.format('%d'), '%d');