| <!doctype html> |
| <meta charset="utf-8"> |
| <link rel="help" href="https://drafts.csswg.org/cssom-view/#dom-window-screen"> |
| <link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1858977"> |
| <link rel="author" href="mailto:[email protected]" title="Emilio Cobos Álvarez"> |
| <link rel="author" href="https://mozilla.org" title="Mozilla"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <iframe></iframe> |
| <script> |
| onload = function() { |
| test(() => { |
| let frame = document.querySelector("iframe"); |
| let win = frame.contentWindow; |
| frame.remove(); |
| assert_true(!!win.screen, "Window.screen should be available"); |
| for (let prop of ["top", "left", "width", "height"]) { |
| let availProp = "avail" + prop[0].toUpperCase() + prop.substr(1); |
| if (prop == "width" || prop == "height") { |
| assert_true(prop in win.screen, prop + "must be implemented per spec") |
| assert_true(availProp in win.screen, availProp + "must be implemented per spec") |
| } |
| if (prop in win.screen) { |
| assert_equals(win.screen[prop], 0, prop); |
| } |
| if (availProp in win.screen) { |
| assert_equals(win.screen[availProp], 0, availProp); |
| } |
| } |
| |
| // https://drafts.csswg.org/cssom-view/#dom-screen-colordepth |
| // If the user agent does not know the color depth or does not want to |
| // return it for privacy considerations, it should return 24. |
| for (let prop of ["colorDepth", "pixelDepth"]) { |
| assert_equals(win.screen[prop], 24, prop); |
| } |
| }, "Window.screen on detached frame"); |
| }; |
| </script> |
