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Test Info:
/* Any copyright is dedicated to the Public Domain.
*/
"use strict";
ChromeUtils.defineESModuleGetters(this, {
});
const histogramName = "FX_NUMBER_OF_UNIQUE_SITE_ORIGINS_PER_DOCUMENT";
const testRoot = getRootDirectory(gTestPath).replace(
);
function windowGlobalDestroyed(id) {
return BrowserUtils.promiseObserved(
"window-global-destroyed",
aWGP => aWGP.innerWindowId == id
);
}
async function openAndCloseTab(uri) {
const tab = await BrowserTestUtils.openNewForegroundTab({
gBrowser,
opening: uri,
});
const innerWindowId =
tab.linkedBrowser.browsingContext.currentWindowGlobal.innerWindowId;
const wgpDestroyed = windowGlobalDestroyed(innerWindowId);
BrowserTestUtils.removeTab(tab);
await wgpDestroyed;
}
add_task(async function test_numberOfSiteOriginsAfterTabClose() {
const histogram = TelemetryTestUtils.getAndClearHistogram(histogramName);
const testPage = `${testRoot}contain_iframe.html`;
await openAndCloseTab(testPage);
// testPage contains two origins: mochi.test:8888 and example.com.
TelemetryTestUtils.assertHistogram(histogram, 2, 1);
});
add_task(async function test_numberOfSiteOriginsAboutBlank() {
const histogram = TelemetryTestUtils.getAndClearHistogram(histogramName);
await openAndCloseTab("about:blank");
const { values } = histogram.snapshot();
Assert.deepEqual(
values,
{},
`Histogram should have no values; had ${JSON.stringify(values)}`
);
});
add_task(async function test_numberOfSiteOriginsMultipleNavigations() {
const histogram = TelemetryTestUtils.getAndClearHistogram(histogramName);
const testPage = `${testRoot}contain_iframe.html`;
const tab = await BrowserTestUtils.openNewForegroundTab({
gBrowser,
opening: testPage,
waitForStateStop: true,
});
const wgpDestroyedPromises = [
windowGlobalDestroyed(tab.linkedBrowser.innerWindowID),
];
// Navigate to an interstitial page.
BrowserTestUtils.startLoadingURIString(tab.linkedBrowser, "about:blank");
await BrowserTestUtils.browserLoaded(tab.linkedBrowser);
// Navigate to another test page.
BrowserTestUtils.startLoadingURIString(tab.linkedBrowser, testPage);
await BrowserTestUtils.browserLoaded(tab.linkedBrowser);
wgpDestroyedPromises.push(
windowGlobalDestroyed(tab.linkedBrowser.innerWindowID)
);
BrowserTestUtils.removeTab(tab);
await Promise.all(wgpDestroyedPromises);
// testPage has been loaded twice and contains two origins: mochi.test:8888
// and example.com.
TelemetryTestUtils.assertHistogram(histogram, 2, 2);
});
add_task(async function test_numberOfSiteOriginsAddAndRemove() {
const histogram = TelemetryTestUtils.getAndClearHistogram(histogramName);
const testPage = `${testRoot}blank_iframe.html`;
const tab = await BrowserTestUtils.openNewForegroundTab({
gBrowser,
opening: testPage,
waitForStateStop: true,
});
// Load a subdocument in the page's iframe.
await SpecialPowers.spawn(tab.linkedBrowser, [], async () => {
const iframe = content.window.document.querySelector("iframe");
const loaded = new Promise(resolve => {
iframe.addEventListener("load", () => resolve(), { once: true });
});
await loaded;
});
// Load a *new* subdocument in the page's iframe. This will result in the page
// having had three different origins, but only two at any one time.
await SpecialPowers.spawn(tab.linkedBrowser, [], async () => {
const iframe = content.window.document.querySelector("iframe");
const loaded = new Promise(resolve => {
iframe.addEventListener("load", () => resolve(), { once: true });
});
await loaded;
});
const wgpDestroyed = windowGlobalDestroyed(tab.linkedBrowser.innerWindowID);
BrowserTestUtils.removeTab(tab);
await wgpDestroyed;
// The page only ever had two origins at once.
TelemetryTestUtils.assertHistogram(histogram, 2, 1);
});