From 6532cf0710e02d30980583f52fc8c9da667c4d8f Mon Sep 17 00:00:00 2001
From: alexlamsl <alexlamsl@gmail.com>
Date: Sat, 25 Nov 2017 15:32:46 +0800
Subject: [PATCH] fix default value add tests

---
 lib/compress.js              |  2 +-
 test/compress/drop-unused.js | 98 ++++++++++++++++++++++++++++++++++++
 2 files changed, 99 insertions(+), 1 deletion(-)

diff --git a/lib/compress.js b/lib/compress.js
index 5bac33f0..48816ff7 100644
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -69,7 +69,7 @@ function Compressor(options, false_by_default) {
         if_return     : !false_by_default,
         inline        : !false_by_default,
         join_vars     : !false_by_default,
-        keep_classnames: !false_by_default,
+        keep_classnames: false,
         keep_fargs    : true,
         keep_fnames   : false,
         keep_infinity : false,
diff --git a/test/compress/drop-unused.js b/test/compress/drop-unused.js
index 577e2b35..a86cccd3 100644
--- a/test/compress/drop-unused.js
+++ b/test/compress/drop-unused.js
@@ -1574,3 +1574,101 @@ issue_2288: {
         }
     }
 }
+
+issue_2418_1: {
+    options = {
+        unused: true,
+    }
+    input: {
+        class C {}
+        function F() {}
+        (class c {});
+        (function f() {});
+    }
+    expect: {
+        class C {}
+        function F() {}
+        (class {});
+        (function() {});
+    }
+}
+
+issue_2418_2: {
+    options = {
+        keep_classnames: false,
+        keep_fnames: false,
+        unused: true,
+    }
+    input: {
+        class C {}
+        function F() {}
+        (class c {});
+        (function f() {});
+    }
+    expect: {
+        class C {}
+        function F() {}
+        (class {});
+        (function() {});
+    }
+}
+
+issue_2418_3: {
+    options = {
+        keep_classnames: false,
+        keep_fnames: true,
+        unused: true,
+    }
+    input: {
+        class C {}
+        function F() {}
+        (class c {});
+        (function f() {});
+    }
+    expect: {
+        class C {}
+        function F() {}
+        (class {});
+        (function f() {});
+    }
+}
+
+issue_2418_4: {
+    options = {
+        keep_classnames: true,
+        keep_fnames: false,
+        unused: true,
+    }
+    input: {
+        class C {}
+        function F() {}
+        (class c {});
+        (function f() {});
+    }
+    expect: {
+        class C {}
+        function F() {}
+        (class c {});
+        (function() {});
+    }
+}
+
+issue_2418_5: {
+    options = {
+        keep_classnames: true,
+        keep_fnames: true,
+        unused: true,
+    }
+    input: {
+        class C {}
+        function F() {}
+        (class c {});
+        (function f() {});
+    }
+    expect: {
+        class C {}
+        function F() {}
+        (class c {});
+        (function f() {});
+    }
+}