<!
DOCTYPE HTML>
<
html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1460639
-->
<
head>
<
meta charset=
"utf-8">
<
title>Test for Bug 1460639</
title>
<
script src=
"chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></
script>
<
link rel=
"stylesheet" type=
"text/css" href=
"chrome://global/skin"/>
<
link rel=
"stylesheet" type=
"text/css" href=
"chrome://mochikit/content/tests/SimpleTest/test.css"/>
<
script type=
"application/javascript">
SimpleTest.waitForExplicitFinish();
function navigateWindowTo(win, url) {
return new Promise(resolve => {
Services.obs.addObserver(function listener(document) {
Services.obs.removeObserver(listener,
"document-element-inserted");
document.addEventListener(
"DOMContentLoaded", () => {
resolve();
}, { once: true } );
},
"document-element-inserted");
win.location = url;
});
}
function promiseMaybeResizeEvent(win, expectedSize) {
return new Promise(resolve => {
// If the size is already as expected, then there may be no resize
// event.
if (win.outerWidth === expectedSize
&& win.outerHeight === expectedSize) {
resolve();
}
win.addEventListener(
"resize", () => {
resolve();
}, {once: true});
});
}
function resize(win, size) {
const resizePromise = promiseMaybeResizeEvent(win, size);
win.resizeTo(size, size);
return resizePromise;
}
async function runTest() {
// Test that persisted window attributes are loaded when a top level
// window is navigated. This mimics the behavior of early first paint by
// first loading about:blank and then navigating to window_navigate_persist.
html.
const PERSIST_SIZE = 200;
// First, load the document and resize it so the size is persisted.
let win = window.browsingContext.topChromeWindow
.openDialog(
"window_navigate_persist.html",
"_blank", `chrome,all,
dialog=no`);
await SimpleTest.promiseFocus(win);
await resize(win, PERSIST_SIZE);
is(win.outerWidth, PERSIST_SIZE,
"Window is resized to desired width");
is(win.outerHeight, PERSIST_SIZE,
"Window is resized to desired height");
win.close();
// Now mimic early first paint.
win = window.browsingContext.topChromeWindow
.openDialog(
"about:blank",
"_blank", `chrome,all,
dialog=no`);
await SimpleTest.promiseFocus(win, true);
isnot(win.outerWidth, PERSIST_SIZE,
"Initial window width is not the persisted size");
isnot(win.outerHeight, PERSIST_SIZE,
"Initial window height is not the persisted size");
await navigateWindowTo(win,
"window_navigate_persist.html");
await promiseMaybeResizeEvent(win, PERSIST_SIZE);
is(win.outerWidth, PERSIST_SIZE,
"Window width is persisted");
is(win.outerHeight, PERSIST_SIZE,
"Window height is persisted");
win.close();
SimpleTest.finish();
}
</
script>
</
head>
<
body onload=
"runTest()">
<a target=
"_blank" href=
"https://bugzilla.mozilla.org/show_bug.cgi?id=1460639">Mozil
la Bug 1460639</a>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test">
</pre>
</body>
</html>
