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Test Info: Warnings
- This test gets skipped with pattern: os == 'android'
- Manifest: toolkit/content/tests/chrome/chrome.toml
<!DOCTYPE HTML>
<html>
<!--
-->
<head>
<meta charset="utf-8">
<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">Mozilla Bug 1460639</a>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test">
</pre>
</body>
</html>