Tests for RegExp, toString should return correct flags and in correct…

… order

tests/spec/s-regexp.js

@@ -0,0 +1,26 @@
+/* global describe, it, expect */
+
+describe('RegExp', function () {
+    'use strict';
+
+    describe('#toString()', function () {
+        describe('literals', function () {
+          it('should return correct flags and in correct order', function () {
+              expect(/pattern/.toString()).toBe('/pattern/');
+              expect(/pattern/i.toString()).toBe('/pattern/i');
+              expect(/pattern/mi.toString()).toBe('/pattern/im');
+              expect(/pattern/im.toString()).toBe('/pattern/im');
+              expect(/pattern/mgi.toString()).toBe('/pattern/gim');
+          });
+        });
+        describe('objects', function () {
+          it('should return correct flags and in correct order', function () {
+              expect(new RegExp('pattern').toString()).toBe('/pattern/');
+              expect(new RegExp('pattern', 'i').toString()).toBe('/pattern/i');
+              expect(new RegExp('pattern', 'mi').toString()).toBe('/pattern/im');
+              expect(new RegExp('pattern', 'im').toString()).toBe('/pattern/im');
+              expect(new RegExp('pattern', 'mgi').toString()).toBe('/pattern/gim');
+          });
+        });
+    });
+});