From 2e22d38a02c2e56666fcc0992e346dd5de97c6ec Mon Sep 17 00:00:00 2001
From: "Alex Lam S.L" <alexlamsl@gmail.com>
Date: Tue, 9 Jan 2018 13:53:05 +0800
Subject: improve `rename` reproducibility (#2754)

fixes #2752
---
 test/mocha/minify.js | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'test/mocha/minify.js')

diff --git a/test/mocha/minify.js b/test/mocha/minify.js
index a304c5b5..d696a25f 100644
--- a/test/mocha/minify.js
+++ b/test/mocha/minify.js
@@ -373,4 +373,18 @@ describe("minify", function() {
             assert.strictEqual(stat.print_to_string(), "a=x()");
         });
     });
+
+    describe("rename", function() {
+        it("Should be repeatable", function() {
+            var code = "!function(x){return x(x)}(y);";
+            for (var i = 0; i < 2; i++) {
+                assert.strictEqual(Uglify.minify(code, {
+                    compress: {
+                        toplevel: true,
+                    },
+                    rename: true,
+                }).code, "var a2;(a2=y)(a2);");
+            }
+        });
+    });
 });
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