From 11e9bdc42746832cfa1c52ca70b0171b31a422ba Mon Sep 17 00:00:00 2001
From: "Alex Lam S.L" <alexlamsl@gmail.com>
Date: Fri, 31 Mar 2017 15:26:57 +0800
Subject: fix missing preamble when shebang is absent (#1742)

---
 test/mocha/comment-filter.js | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

(limited to 'test')

diff --git a/test/mocha/comment-filter.js b/test/mocha/comment-filter.js
index 9474e732..ec17aa8c 100644
--- a/test/mocha/comment-filter.js
+++ b/test/mocha/comment-filter.js
@@ -79,5 +79,13 @@ describe("comment filters", function() {
             output: { preamble: "/* Build */" }
         }).code;
         assert.strictEqual(code, "#!/usr/bin/node\n/* Build */\nvar x=10;");
-    })
+    });
+
+    it("Should handle preamble without shebang correctly", function() {
+        var code = UglifyJS.minify("var x = 10;", {
+            fromString: true,
+            output: { preamble: "/* Build */" }
+        }).code;
+        assert.strictEqual(code, "/* Build */\nvar x=10;");
+    });
 });
-- 
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