From f032afc18bcf9c2faaef8a5c138c7e87248bc9cd Mon Sep 17 00:00:00 2001
From: Jakub Pawlowicz <contact@jakubpawlowicz.com>
Date: Fri, 23 Dec 2016 18:24:56 +0100
Subject: [PATCH] See #560 - adds a test case to prevent future regressions.

---
 test/source-map-test.js | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/test/source-map-test.js b/test/source-map-test.js
index a5b01bbf..7d1fa689 100644
--- a/test/source-map-test.js
+++ b/test/source-map-test.js
@@ -82,6 +82,14 @@ vows.describe('source-map')
       'gets right output': function (minified) {
         assert.equal(minified.styles, ':root{--color:var(--otherColor)}');
       }
+    },
+    'empty rules and comments': {
+      'topic': function () {
+        return new CleanCSS({ sourceMap: true }).minify('p{/* comment */}');
+      },
+      'gets right output': function (minified) {
+        assert.equal(minified.styles, '');
+      }
     }
   })
   .addBatch({
-- 
2.34.1