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Test Info:
- Manifest: image/test/browser/browser.toml
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
/*
* This test opens a private browsing window, then opens a content page in it
* that sets a favicon that is a data uri containing a svg file, which
* contains an image element that refers to a data uri containing a png image.
* This tests that we don't hit an assert when loading the png in the favicon
* in the parent process with this setup.
*/
function waitForLinkAvailable(browser, win) {
let resolve, reject;
let listener = {
onLinkIconAvailable(b, dataURI, iconURI) {
// Ignore icons for other browsers or empty icons.
if (browser !== b || !iconURI) {
return;
}
win.gBrowser.removeTabsProgressListener(listener);
resolve(iconURI);
},
};
let promise = new Promise((res, rej) => {
resolve = res;
reject = rej;
win.gBrowser.addTabsProgressListener(listener);
});
promise.cancel = () => {
win.gBrowser.removeTabsProgressListener(listener);
reject();
};
return promise;
}
add_task(async function test() {
function httpURL(filename) {
let chromeURL = getRootDirectory(gTestPath) + filename;
return chromeURL.replace(
);
}
let win = await BrowserTestUtils.openNewBrowserWindow({ private: true });
const pageUrl = httpURL("helper1869938.html");
let tab = (win.gBrowser.selectedTab = BrowserTestUtils.addTab(
win.gBrowser,
"about:blank"
));
await BrowserTestUtils.browserLoaded(tab.linkedBrowser);
let faviconPromise = waitForLinkAvailable(tab.linkedBrowser, win);
BrowserTestUtils.startLoadingURIString(tab.linkedBrowser, pageUrl);
await BrowserTestUtils.browserLoaded(tab.linkedBrowser);
await new Promise(resolve => {
waitForFocus(resolve, win);
});
await faviconPromise;
// do a couple rafs here to ensure its loaded and displayed
await new Promise(r => requestAnimationFrame(r));
await new Promise(r => requestAnimationFrame(r));
await BrowserTestUtils.closeWindow(win);
win = null;
tab = null;
faviconPromise = null;
ok(true, "we got here and didn't crash/assert");
});