From d2b32ce0744ddd20ea72bfcd1d1bdb218cf10622 Mon Sep 17 00:00:00 2001
From: Attila Gonda <pcdevil7@gmail.com>
Date: Mon, 6 Nov 2017 15:12:19 +0000
Subject: [PATCH] test: add detailed message for assertion failure

PR-URL: https://github.com/nodejs/node/pull/16812
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
---
 test/addons-napi/test_typedarray/test.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/test/addons-napi/test_typedarray/test.js b/test/addons-napi/test_typedarray/test.js
index 25f701f2d30c70..27ef054fe4635e 100644
--- a/test/addons-napi/test_typedarray/test.js
+++ b/test/addons-napi/test_typedarray/test.js
@@ -49,7 +49,9 @@ arrayTypes.forEach((currentType) => {
   const theArray = test_typedarray.CreateTypedArray(template, buffer);
 
   assert.ok(theArray instanceof currentType,
-            'Type of new array should match that of the template');
+            'Type of new array should match that of the template. ' +
+            `Expected type: ${currentType.name}, ` +
+            `actual type: ${template.constructor.name}`);
   assert.notStrictEqual(theArray, template);
   assert.strictEqual(theArray.buffer, buffer);
 });