<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=400204 --> <head> <title>Test for Bug 400204</title> <script type="text/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=400204">Mozilla Bug 400204</a> <p id="display"></p> <iframe id="content" src="about:blank" style="display: none"></iframe> <pre id="test"> <script class="testbody" type="text/javascript"> var c = document.getElementById("content"); var success = false; // try to access innerWidth try { success = (c.contentWindow.innerWidth == 0); } catch(ex) { success = false; } ok(success, "can't access hidden iframe innerWidth, or it's not 0"); // try to access innerHeight success = false; try { success = (c.contentWindow.innerHeight == 0); } catch(ex) { success = false; } ok(success, "can't access hidden iframe innerHeight, or it's not 0"); // Snag the canonical getter and setter var innerWidthGetter = Object.getOwnPropertyDescriptor(c.contentWindow, "innerWidth").get; var innerHeightGetter = Object.getOwnPropertyDescriptor(c.contentWindow, "innerHeight").get; // try to set innerWidth success = false; try { c.contentWindow.innerWidth = 100; success = true; } catch(ex) { success = false; } ok(success, "can't set hidden iframe innerWidth"); // try to set innerHeight success = false; try { c.contentWindow.innerHeight = 100; success = true; } catch(ex) { success = false; } ok(success, "can't set hidden iframe innerHeight"); // now try these again for good measure, and to ensure the values // haven't changed except via getting replaced // try to access innerWidth success = false; try { success = (c.contentWindow.innerWidth == 100); } catch(ex) { success = false; } ok(success, "can't access hidden iframe innerWidth, or it's not 100"); success = false; try { success = (innerWidthGetter.call(c.contentWindow) == 0); } catch(ex) { success = false; } ok(success, "can't access hidden iframe innerWidth, or it's not 0"); // try to access innerHeight success = false; try { success = (c.contentWindow.innerHeight == 100); } catch(ex) { success = false; } ok(success, "can't access hidden iframe innerHeight, or it's not 100"); success = false; try { success = (innerHeightGetter.call(c.contentWindow) == 0); } catch(ex) { success = false; } ok(success, "can't access hidden iframe innerHeight, or it's not 0"); </script> </pre> </body> </html>