From 9245559ae089dd7c3ef42a8f9f02819ce2232e59 Mon Sep 17 00:00:00 2001
From: Rich Trott <rtrott@gmail.com>
Date: Wed, 28 Jun 2017 20:41:24 -0700
Subject: [PATCH] test: refactor test-crypto-pbkdf2

* re-order require() and crypto check per test writing guide
* use common.mustNotCall() to confirm callback is not invoked
---
 test/parallel/test-crypto-pbkdf2.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/test/parallel/test-crypto-pbkdf2.js b/test/parallel/test-crypto-pbkdf2.js
index f35c8af274f857..9ed719c1f68358 100644
--- a/test/parallel/test-crypto-pbkdf2.js
+++ b/test/parallel/test-crypto-pbkdf2.js
@@ -1,11 +1,12 @@
 'use strict';
 const common = require('../common');
-const assert = require('assert');
 
 if (!common.hasCrypto) {
   common.skip('missing crypto');
   return;
 }
+
+const assert = require('assert');
 const crypto = require('crypto');
 
 //
@@ -98,7 +99,7 @@ assert.doesNotThrow(() => {
 });
 
 assert.throws(() => {
-  crypto.pbkdf2('password', 'salt', 8, 8, common.noop);
+  crypto.pbkdf2('password', 'salt', 8, 8, common.mustNotCall());
 }, /^TypeError: The "digest" argument is required and must not be undefined$/);
 
 assert.throws(() => {