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/* globals Components: true, Promise: true, gBrowser: true, Test: true,
info: true, is: true, window: true, waitForExplicitFinish: true,
finish: true, ok: true*/
"use strict";
const { addObserver, removeObserver } = Cc[
"@mozilla.org/observer-service;1"
].getService(Ci.nsIObserverService);
const { openWindow } = Cc["@mozilla.org/embedcomp/window-watcher;1"].getService(
Ci.nsIWindowWatcher
);
const Test = routine => () => {
waitForExplicitFinish();
routine().then(finish, error => {
ok(false, error);
finish();
});
};
// Returns promise for the observer notification subject for
// the given topic. If `receive("foo")` is called `n` times
// nth promise is resolved on an `nth` "foo" notification.
const receive = (topic, p, syncCallback) => {
return new Promise((resolve, reject) => {
const { queue } = receive;
const timeout = () => {
queue.splice(queue.indexOf(resolve) - 1, 2);
reject(new Error("Timeout"));
};
const observer = {
observe: subject => {
// Browser loads bunch of other documents that we don't care
// about so we let allow filtering notifications via `p` function.
if (p && !p(subject)) {
return;
}
// If observer is a first one with a given `topic`
// in a queue resolve promise and take it off the queue
// otherwise keep waiting.
const index = queue.indexOf(topic);
if (queue.indexOf(resolve) === index + 1) {
removeObserver(observer, topic);
clearTimeout(id, reject);
queue.splice(index, 2);
// Some tests need to be executed synchronously when the event is fired.
if (syncCallback) {
syncCallback(subject);
}
resolve(subject);
}
},
};
// eslint-disable-next-line mozilla/no-arbitrary-setTimeout
const id = setTimeout(timeout, 90000);
addObserver(observer, topic, false);
queue.push(topic, resolve);
});
};
receive.queue = [];
const openTab = uri =>
(gBrowser.selectedTab = BrowserTestUtils.addTab(gBrowser, uri));
// eslint-disable-next-line mozilla/no-arbitrary-setTimeout
const sleep = ms => new Promise(resolve => setTimeout(resolve, ms));
const isData = document => document.URL.startsWith("data:");
const uri1 = "data:text/html;charset=utf-8,<h1>1</h1>";
// For whatever reason going back on load event doesn't work so timeout it is :(
const uri2 =
"data:text/html;charset=utf-8,<h1>2</h1><script>setTimeout(SpecialPowers.wrap(window).back,100)</script>";
const uri3 = "data:text/html;charset=utf-8,<h1>3</h1>";
const uri4 = "chrome://browser/content/license.html";
const test = Test(async function() {
let documentInteractive = receive(
"content-document-interactive",
isData,
d => {
// This test is executed synchronously when the event is received.
is(d.readyState, "interactive", "document is interactive");
is(d.URL, uri1, "document.URL matches tab url");
}
);
let documentLoaded = receive("content-document-loaded", isData);
let pageShown = receive("content-page-shown", isData);
info("open: uri#1");
const tab1 = openTab(uri1);
const browser1 = gBrowser.getBrowserForTab(tab1);
let interactiveDocument1 = await documentInteractive;
let loadedDocument1 = await documentLoaded;
is(loadedDocument1.readyState, "complete", "document is loaded");
is(interactiveDocument1, loadedDocument1, "interactive document is loaded");
let shownPage = await pageShown;
is(interactiveDocument1, shownPage, "loaded document is shown");
// Wait until history entry is created before loading new uri.
await receive("sessionstore-state-write-complete");
info("load uri#2");
documentInteractive = receive("content-document-interactive", isData, d => {
// This test is executed synchronously when the event is received.
is(d.readyState, "interactive", "document is interactive");
is(d.URL, uri2, "document.URL matches URL loaded");
});
documentLoaded = receive("content-document-loaded", isData);
pageShown = receive("content-page-shown", isData);
let pageHidden = receive("content-page-hidden", isData);
BrowserTestUtils.loadURI(browser1, uri2);
let hiddenPage = await pageHidden;
is(interactiveDocument1, hiddenPage, "loaded document is hidden");
let interactiveDocument2 = await documentInteractive;
let loadedDocument2 = await documentLoaded;
is(loadedDocument2.readyState, "complete", "document is loaded");
is(interactiveDocument2, loadedDocument2, "interactive document is loaded");
shownPage = await pageShown;
is(interactiveDocument2, shownPage, "loaded document is shown");
info("go back to uri#1");
documentInteractive = receive("content-document-interactive", isData, d => {
// This test is executed synchronously when the event is received.
is(d.readyState, "interactive", "document is interactive");
is(d.URL, uri3, "document.URL matches URL loaded");
});
documentLoaded = receive("content-document-loaded", isData);
pageShown = receive("content-page-shown", isData);
pageHidden = receive("content-page-hidden", isData);
hiddenPage = await pageHidden;
is(interactiveDocument2, hiddenPage, "new document is hidden");
shownPage = await pageShown;
is(interactiveDocument1, shownPage, "previous document is shown");
info("load uri#3");
BrowserTestUtils.loadURI(browser1, uri3);
pageShown = receive("content-page-shown", isData);
let interactiveDocument3 = await documentInteractive;
let loadedDocument3 = await documentLoaded;
is(loadedDocument3.readyState, "complete", "document is loaded");
is(interactiveDocument3, loadedDocument3, "interactive document is loaded");
shownPage = await pageShown;
is(interactiveDocument3, shownPage, "previous document is shown");
gBrowser.removeTab(tab1);
info("load chrome uri");
const tab2 = openTab(uri4);
documentInteractive = receive("chrome-document-interactive", null, d => {
// This test is executed synchronously when the event is received.
is(d.readyState, "interactive", "document is interactive");
is(d.URL, uri4, "document.URL matches URL loaded");
});
documentLoaded = receive("chrome-document-loaded");
pageShown = receive("chrome-page-shown");
const interactiveDocument4 = await documentInteractive;
let loadedDocument4 = await documentLoaded;
is(loadedDocument4.readyState, "complete", "document is loaded");
is(interactiveDocument4, loadedDocument4, "interactive document is loaded");
shownPage = await pageShown;
is(interactiveDocument4, shownPage, "loaded chrome document is shown");
pageHidden = receive("chrome-page-hidden");
gBrowser.removeTab(tab2);
hiddenPage = await pageHidden;
is(interactiveDocument4, hiddenPage, "chrome document hidden");
});
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