forked from mirrors/gecko-dev
115 lines
3.6 KiB
JavaScript
115 lines
3.6 KiB
JavaScript
"use strict";
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const PATH = getRootDirectory(gTestPath)
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.replace("chrome://mochitests/content/", "http://example.com/");
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const URL = PATH + "file_async_flushes.html";
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add_task(async function test_flush() {
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// Create new tab.
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let tab = BrowserTestUtils.addTab(gBrowser, URL);
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let browser = tab.linkedBrowser;
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await promiseBrowserLoaded(browser);
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// Flush to empty any queued update messages.
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await TabStateFlusher.flush(browser);
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// There should be one history entry.
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let {entries} = JSON.parse(ss.getTabState(tab));
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is(entries.length, 1, "there is a single history entry");
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// Click the link to navigate, this will add second shistory entry.
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await ContentTask.spawn(browser, null, async function() {
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return new Promise(resolve => {
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addEventListener("hashchange", function onHashChange() {
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removeEventListener("hashchange", onHashChange);
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resolve();
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});
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// Click the link.
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content.document.querySelector("a").click();
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});
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});
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// Flush to empty any queued update messages.
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await TabStateFlusher.flush(browser);
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// There should be two history entries now.
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({entries} = JSON.parse(ss.getTabState(tab)));
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is(entries.length, 2, "there are two shistory entries");
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// Cleanup.
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gBrowser.removeTab(tab);
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});
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add_task(async function test_crash() {
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// Create new tab.
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let tab = BrowserTestUtils.addTab(gBrowser, URL);
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gBrowser.selectedTab = tab;
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let browser = tab.linkedBrowser;
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await promiseBrowserLoaded(browser);
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// Flush to empty any queued update messages.
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await TabStateFlusher.flush(browser);
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// There should be one history entry.
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let {entries} = JSON.parse(ss.getTabState(tab));
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is(entries.length, 1, "there is a single history entry");
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// Click the link to navigate.
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await ContentTask.spawn(browser, null, async function() {
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return new Promise(resolve => {
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addEventListener("hashchange", function onHashChange() {
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removeEventListener("hashchange", onHashChange);
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resolve();
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});
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// Click the link.
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content.document.querySelector("a").click();
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});
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});
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// Crash the browser and flush. Both messages are async and will be sent to
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// the content process. The "crash" message makes it first so that we don't
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// get a chance to process the flush. The TabStateFlusher however should be
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// notified so that the flush still completes.
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let promise1 = BrowserTestUtils.crashBrowser(browser);
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let promise2 = TabStateFlusher.flush(browser);
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await Promise.all([promise1, promise2]);
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// The pending update should be lost.
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({entries} = JSON.parse(ss.getTabState(tab)));
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is(entries.length, 1, "still only one history entry");
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// Cleanup.
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gBrowser.removeTab(tab);
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});
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add_task(async function test_remove() {
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// Create new tab.
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let tab = BrowserTestUtils.addTab(gBrowser, URL);
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let browser = tab.linkedBrowser;
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await promiseBrowserLoaded(browser);
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// Flush to empty any queued update messages.
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await TabStateFlusher.flush(browser);
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// There should be one history entry.
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let {entries} = JSON.parse(ss.getTabState(tab));
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is(entries.length, 1, "there is a single history entry");
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// Click the link to navigate.
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await ContentTask.spawn(browser, null, async function() {
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return new Promise(resolve => {
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addEventListener("hashchange", function onHashChange() {
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removeEventListener("hashchange", onHashChange);
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resolve();
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});
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// Click the link.
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content.document.querySelector("a").click();
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});
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});
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// Request a flush and remove the tab. The flush should still complete.
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await Promise.all([TabStateFlusher.flush(browser), promiseRemoveTab(tab)]);
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});
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