From f8caab3378066537e9a12cb5a23bbf29375f6fb3 Mon Sep 17 00:00:00 2001
From: dudemelo <dudemelo@gmail.com>
Date: Mon, 25 Jul 2016 15:14:04 -0300
Subject: [PATCH] Add test to preserve a single space before the unary
 operator.

---
 test/mocha/minify.js | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/test/mocha/minify.js b/test/mocha/minify.js
index 02d31558..66cde605 100644
--- a/test/mocha/minify.js
+++ b/test/mocha/minify.js
@@ -58,5 +58,14 @@ describe("minify", function() {
             assert.strictEqual(result.code,
                     'a["foo"]="bar",a.a="red",x={"bar":10};');
         });
+    }); 
+
+    describe('Unary operators', function () {
+        it('Should preserve a space before increment/decrement', function () {
+            var js = 'var a = 1 + ++1;var b = 2 - ++1;';
+            var result = Uglify.minify(js, { fromString: true });
+            assert.strictEqual(result.code, 'var a=1+ ++1,b=2- ++1;');
+        });
     });
+
 });