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Test Info:
/* Any copyright is dedicated to the Public Domain.
"use strict";
const TEST_ROOT =
const PAGE_URL = TEST_ROOT + "blank.html";
const ICON_URL = TEST_ROOT + "file_bug970276_favicon1.ico";
const ICON_DATAURI_START = "data:image/x-icon;base64,AAABAAEAEBAAAAAAAABoBQAA";
const EMPTY_PAGE_URL = TEST_ROOT + "file_favicon_empty.html";
const EMPTY_ICON_URL = "data:image/x-icon";
add_task(async function () {
await BrowserTestUtils.withNewTab(
{ gBrowser, url: PAGE_URL },
async browser => {
let iconBox = gBrowser
.getTabForBrowser(browser)
.querySelector(".tab-icon-image");
await addContentLinkForIconUrl(ICON_URL, browser);
Assert.ok(
browser.mIconURL.startsWith(ICON_DATAURI_START),
"Favicon is correctly set."
);
// Give some time to ensure the icon is rendered.
/* eslint-disable mozilla/no-arbitrary-setTimeout */
await new Promise(resolve => setTimeout(resolve, 200));
let firstIconShotDataURL = TestUtils.screenshotArea(iconBox, window);
let browserLoaded = BrowserTestUtils.browserLoaded(
browser,
false,
EMPTY_PAGE_URL
);
BrowserTestUtils.startLoadingURIString(browser, EMPTY_PAGE_URL);
let iconChanged = waitForFavicon(browser, EMPTY_ICON_URL);
await Promise.all([browserLoaded, iconChanged]);
Assert.equal(browser.mIconURL, EMPTY_ICON_URL, "Favicon was changed.");
// Give some time to ensure the icon is rendered.
/* eslint-disable mozilla/no-arbitrary-setTimeout */
await new Promise(resolve => setTimeout(resolve, 200));
let secondIconShotDataURL = TestUtils.screenshotArea(iconBox, window);
Assert.notEqual(
firstIconShotDataURL,
secondIconShotDataURL,
"Check the first icon didn't persist as the second one is invalid"
);
}
);
});
async function addContentLinkForIconUrl(url, browser) {
let iconChanged = waitForFavicon(browser, url);
info("Adding <link> to: " + url);
await ContentTask.spawn(browser, url, href => {
let doc = content.document;
let head = doc.head;
let link = doc.createElement("link");
link.rel = "icon";
link.href = href;
link.type = "image/png";
head.appendChild(link);
});
info("Awaiting icon change event for:" + url);
await iconChanged;
}