public void CssBgUrl() { const string url = "http://.jpg"; var c1 = CleanUp.CssBgUrl("url(http://.jpg)"); Assert.AreEqual(url, c1); var c2 = CleanUp.CssBgUrl("url(\"http://.jpg\")"); Assert.AreEqual(url, c2); var c3 = CleanUp.CssBgUrl("url('http://.jpg')"); Assert.AreEqual(url, c3); //var c4 = CleanUp.CssBgUrl("url(http://.jpg)"); }