forked from mirrors/gecko-dev
195 lines
7.6 KiB
JavaScript
195 lines
7.6 KiB
JavaScript
"use strict";
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// There are a _lot_ of reflows in this test, and processing them takes
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// time. On slower builds, we need to boost our allowed test time.
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requestLongerTimeout(5);
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/**
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* WHOA THERE: We should never be adding new things to EXPECTED_REFLOWS. This
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* is a whitelist that should slowly go away as we improve the performance of
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* the front-end. Instead of adding more reflows to the whitelist, you should
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* be modifying your code to avoid the reflow.
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*
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* See https://developer.mozilla.org/en-US/Firefox/Performance_best_practices_for_Firefox_fe_engineers
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* for tips on how to do that.
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*/
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/* These reflows happen only the first time the awesomebar panel opens. */
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const EXPECTED_REFLOWS_FIRST_OPEN = [];
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if (AppConstants.DEBUG ||
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AppConstants.platform == "linux" ||
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AppConstants.platform == "macosx" ||
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AppConstants.isPlatformAndVersionAtLeast("win", "10")) {
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EXPECTED_REFLOWS_FIRST_OPEN.push({
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stack: [
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"_rebuild@chrome://browser/content/search/search.xml",
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"set_popup@chrome://browser/content/search/search.xml",
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"set_oneOffSearchesEnabled@chrome://browser/content/urlbarBindings.xml",
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"_enableOrDisableOneOffSearches@chrome://browser/content/urlbarBindings.xml",
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"@chrome://browser/content/urlbarBindings.xml",
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"_openAutocompletePopup@chrome://browser/content/urlbarBindings.xml",
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"openAutocompletePopup@chrome://browser/content/urlbarBindings.xml",
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"openPopup@chrome://global/content/bindings/autocomplete.xml",
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"set_popupOpen@chrome://global/content/bindings/autocomplete.xml",
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],
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});
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}
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EXPECTED_REFLOWS_FIRST_OPEN.push(
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{
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stack: [
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"_handleOverflow@chrome://global/content/bindings/autocomplete.xml",
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"handleOverUnderflow@chrome://global/content/bindings/autocomplete.xml",
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"_reuseAcItem@chrome://global/content/bindings/autocomplete.xml",
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"_appendCurrentResult@chrome://global/content/bindings/autocomplete.xml",
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"_invalidate@chrome://global/content/bindings/autocomplete.xml",
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"invalidate@chrome://global/content/bindings/autocomplete.xml",
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],
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maxCount: 36, // This number should only ever go down - never up.
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},
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{
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stack: [
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"_handleOverflow@chrome://global/content/bindings/autocomplete.xml",
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"handleOverUnderflow@chrome://global/content/bindings/autocomplete.xml",
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"_openAutocompletePopup@chrome://browser/content/urlbarBindings.xml",
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"openAutocompletePopup@chrome://browser/content/urlbarBindings.xml",
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"openPopup@chrome://global/content/bindings/autocomplete.xml",
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"set_popupOpen@chrome://global/content/bindings/autocomplete.xml",
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],
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maxCount: 6, // This number should only ever go down - never up.
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},
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// Bug 1359989
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{
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stack: [
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"_openAutocompletePopup@chrome://browser/content/urlbarBindings.xml",
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"openAutocompletePopup@chrome://browser/content/urlbarBindings.xml",
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"openPopup@chrome://global/content/bindings/autocomplete.xml",
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"set_popupOpen@chrome://global/content/bindings/autocomplete.xml",
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],
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}
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);
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/* These reflows happen everytime the awesomebar panel opens. */
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const EXPECTED_REFLOWS_SECOND_OPEN = [
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{
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stack: [
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"_handleOverflow@chrome://global/content/bindings/autocomplete.xml",
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"handleOverUnderflow@chrome://global/content/bindings/autocomplete.xml",
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"_reuseAcItem@chrome://global/content/bindings/autocomplete.xml",
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"_appendCurrentResult@chrome://global/content/bindings/autocomplete.xml",
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"_invalidate@chrome://global/content/bindings/autocomplete.xml",
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"invalidate@chrome://global/content/bindings/autocomplete.xml",
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],
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maxCount: 24, // This number should only ever go down - never up.
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},
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// Bug 1359989
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{
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stack: [
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"_openAutocompletePopup@chrome://browser/content/urlbarBindings.xml",
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"openAutocompletePopup@chrome://browser/content/urlbarBindings.xml",
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"openPopup@chrome://global/content/bindings/autocomplete.xml",
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"set_popupOpen@chrome://global/content/bindings/autocomplete.xml",
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],
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},
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];
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const SEARCH_TERM = "urlbar-reflows-" + Date.now();
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add_task(async function setup() {
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await addDummyHistoryEntries(SEARCH_TERM);
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});
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/**
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* This test ensures that there are no unexpected
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* uninterruptible reflows when typing into the URL bar
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* with the default values in Places.
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*/
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add_task(async function() {
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let win = await prepareSettledWindow();
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let URLBar = win.gURLBar;
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let popup = URLBar.popup;
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URLBar.focus();
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URLBar.value = SEARCH_TERM;
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let testFn = async function() {
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let oldInvalidate = popup.invalidate.bind(popup);
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let oldResultsAdded = popup.onResultsAdded.bind(popup);
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let oldSetTimeout = win.setTimeout;
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// We need to invalidate the frame tree outside of the normal
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// mechanism since invalidations and result additions to the
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// URL bar occur without firing JS events (which is how we
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// normally know to dirty the frame tree).
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popup.invalidate = (reason) => {
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dirtyFrame(win);
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oldInvalidate(reason);
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};
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popup.onResultsAdded = () => {
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dirtyFrame(win);
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oldResultsAdded();
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};
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win.setTimeout = (fn, ms) => {
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return oldSetTimeout(() => {
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dirtyFrame(win);
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fn();
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}, ms);
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};
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URLBar.controller.startSearch(URLBar.value);
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await BrowserTestUtils.waitForEvent(URLBar.popup, "popupshown");
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await BrowserTestUtils.waitForCondition(() => {
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return URLBar.controller.searchStatus >=
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Ci.nsIAutoCompleteController.STATUS_COMPLETE_NO_MATCH;
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});
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let matchCount = URLBar.popup.matchCount;
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await BrowserTestUtils.waitForCondition(() => {
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return URLBar.popup.richlistbox.children.length == matchCount;
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});
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URLBar.controller.stopSearch();
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// There are several setTimeout(fn, 0); calls inside autocomplete.xml
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// that we need to wait for. Since those have higher priority than
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// idle callbacks, we can be sure they will have run once this
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// idle callback is called. The timeout seems to be required in
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// automation - presumably because the machines can be pretty busy
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// especially if it's GC'ing from previous tests.
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await new Promise(resolve => win.requestIdleCallback(resolve, { timeout: 1000 }));
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let hiddenPromise = BrowserTestUtils.waitForEvent(URLBar.popup, "popuphidden");
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EventUtils.synthesizeKey("VK_ESCAPE", {}, win);
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await hiddenPromise;
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};
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let dropmarkerRect = document.getAnonymousElementByAttribute(gURLBar,
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"anonid", "historydropmarker").getBoundingClientRect();
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let textBoxRect = document.getAnonymousElementByAttribute(gURLBar,
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"anonid", "moz-input-box").getBoundingClientRect();
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let expectedRects = {
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filter: rects => rects.filter(r => !(
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// We put text into the urlbar so expect its textbox to change.
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(r.x1 >= textBoxRect.left && r.x2 <= textBoxRect.right &&
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r.y1 >= textBoxRect.top && r.y2 <= textBoxRect.bottom) ||
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// The dropmarker is displayed as active during some of the test.
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// dropmarkerRect.left isn't always an integer, hence the - 1 and + 1
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(r.x1 >= dropmarkerRect.left - 1 && r.x2 <= dropmarkerRect.right + 1 &&
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r.y1 >= dropmarkerRect.top && r.y2 <= dropmarkerRect.bottom)
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// XXX For some reason the awesomebar panel isn't in our screenshots,
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// but that's where we actually expect many changes.
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)),
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};
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info("First opening");
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await withPerfObserver(testFn, {expectedReflows: EXPECTED_REFLOWS_FIRST_OPEN,
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frames: expectedRects}, win);
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info("Second opening");
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await withPerfObserver(testFn, {expectedReflows: EXPECTED_REFLOWS_SECOND_OPEN,
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frames: expectedRects}, win);
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await BrowserTestUtils.closeWindow(win);
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});
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