Add test for _.escapeRegExp with eval and Function.

lodash.src.js

@@ -114,9 +114,9 @@
 
   /**
    * Used to match `RegExp` special characters.
-   * See this [article on `RegExp` characters](http://www.regular-expressions.info/characters.html#special)
-   * for more details. In addition the forward slash is escaped to allow for
-   * easier `eval` and `Function` compilation use.
+   * See this [article on `RegExp` special characters](http://www.regular-expressions.info/characters.html#special)
+   * for more details. In addition to special characters the forward slash is
+   * escaped to allow for easier `eval` use and `Function` compilation.
    */
   var reRegExpChars = /[.*+?^${}()|[\]\/\\]/g,
       reHasRegExpChars = RegExp(reRegExpChars.source);

test/test.js

@@ -4195,19 +4195,30 @@
   QUnit.module('lodash.escapeRegExp');
 
   (function() {
-    var escaped = '\\.\\*\\+\\?\\^\\$\\{\\}\\(\\)\\|\\[\\]\\/\\\\',
-        unescaped = '.*+?^${}()|[\]\/\\';
-
-    escaped += escaped;
-    unescaped += unescaped;
-
     test('should escape values', 1, function() {
+      var escaped = '\\.\\*\\+\\?\\^\\$\\{\\}\\(\\)\\|\\[\\]\\/\\\\',
+          unescaped = '.*+?^${}()|[\]\/\\';
+
+      escaped += escaped;
+      unescaped += unescaped;
+
       strictEqual(_.escapeRegExp(unescaped), escaped);
     });
 
     test('should handle strings with nothing to escape', 1, function() {
       strictEqual(_.escapeRegExp('abc'), 'abc');
     });
+
+    test('should work with `eval` and `Function`', 2, function() {
+      var string = '[lodash](https://lodash.com/)',
+          escaped = _.escapeRegExp(string),
+          regexp = eval('(/' + escaped + '/)');
+
+      ok(regexp.test(string));
+
+      regexp = Function('return /' + escaped + '/')();
+      ok(regexp.test(string));
+    });
   }());
 
   /*--------------------------------------------------------------------------*/