From 09f4fd2bd53de8c682bae931d8a57608c9230f88 Mon Sep 17 00:00:00 2001
From: Christopher Hiller <boneskull@boneskull.com>
Date: Thu, 24 Jan 2019 14:45:53 -0800
Subject: [PATCH] ensure invalid arguments are not ignored when using
 bin/mocha; closes #3687

Signed-off-by: Christopher Hiller <boneskull@boneskull.com>
---
 test/integration/invalid-arguments.spec.js | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 test/integration/invalid-arguments.spec.js

diff --git a/test/integration/invalid-arguments.spec.js b/test/integration/invalid-arguments.spec.js
new file mode 100644
index 0000000000..6c147bdb48
--- /dev/null
+++ b/test/integration/invalid-arguments.spec.js
@@ -0,0 +1,20 @@
+'use strict';
+
+var invokeMocha = require('./helpers').invokeMocha;
+
+describe('invalid arguments', function() {
+  it('should exit with failure if arguments are invalid', function(done) {
+    invokeMocha(
+      ['--ui'],
+      function(err, result) {
+        if (err) {
+          return done(err);
+        }
+        expect(result, 'to have failed');
+        expect(result.output, 'to match', /not enough arguments/i);
+        done();
+      },
+      {stdio: 'pipe'}
+    );
+  });
+});