<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=817476 --> <head> <meta charset="utf-8"> <title>Test for Bug 817476</title> <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> </head> <body> <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=817476">Mozilla Bug 817476</a> <p id="display"></p> <div id="content" style="display: none"> </div> <pre id="test"> <script type="application/javascript"> /** Test for Bug 817476 **/ function getNewWindow() { var ifr = document.createElement("iframe"); $("content").appendChild(ifr); return ifr.contentWindow; } // Test getting .screen before .Screen var win = getNewWindow(); is(Object.getPrototypeOf(win.screen), win.Screen.prototype, "protos must match (1)"); is(win.Screen.prototype.toString(), "[object ScreenPrototype]", "proto must be WebIDL (1)"); // Test getting Screen before .screen var win = getNewWindow(); is(win.Screen.prototype, Object.getPrototypeOf(win.screen), "protos must match (2)"); is(win.Screen.prototype.toString(), "[object ScreenPrototype]", "proto must be WebIDL (2)"); </script> </pre> </body> </html>