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-rw-r--r--browser/base/content/test/general/browser_tabopen_reflows.js157
1 files changed, 0 insertions, 157 deletions
diff --git a/browser/base/content/test/general/browser_tabopen_reflows.js b/browser/base/content/test/general/browser_tabopen_reflows.js
deleted file mode 100644
index 8e04cf12e..000000000
--- a/browser/base/content/test/general/browser_tabopen_reflows.js
+++ /dev/null
@@ -1,157 +0,0 @@
-/* Any copyright is dedicated to the Public Domain.
- http://creativecommons.org/publicdomain/zero/1.0/ */
-
-XPCOMUtils.defineLazyGetter(this, "docShell", () => {
- return window.QueryInterface(Ci.nsIInterfaceRequestor)
- .getInterface(Ci.nsIWebNavigation)
- .QueryInterface(Ci.nsIDocShell);
-});
-
-const EXPECTED_REFLOWS = [
- // tabbrowser.adjustTabstrip() call after tabopen animation has finished
- "adjustTabstrip@chrome://browser/content/tabbrowser.xml|" +
- "_handleNewTab@chrome://browser/content/tabbrowser.xml|" +
- "onxbltransitionend@chrome://browser/content/tabbrowser.xml|",
-
- // switching focus in updateCurrentBrowser() causes reflows
- "_adjustFocusAfterTabSwitch@chrome://browser/content/tabbrowser.xml|" +
- "updateCurrentBrowser@chrome://browser/content/tabbrowser.xml|" +
- "onselect@chrome://browser/content/browser.xul|",
-
- // switching focus in openLinkIn() causes reflows
- "openLinkIn@chrome://browser/content/utilityOverlay.js|" +
- "openUILinkIn@chrome://browser/content/utilityOverlay.js|" +
- "BrowserOpenTab@chrome://browser/content/browser.js|",
-
- // accessing element.scrollPosition in _fillTrailingGap() flushes layout
- "get_scrollPosition@chrome://global/content/bindings/scrollbox.xml|" +
- "_fillTrailingGap@chrome://browser/content/tabbrowser.xml|" +
- "_handleNewTab@chrome://browser/content/tabbrowser.xml|" +
- "onxbltransitionend@chrome://browser/content/tabbrowser.xml|",
-
- // SessionStore.getWindowDimensions()
- "ssi_getWindowDimension@resource:///modules/sessionstore/SessionStore.jsm|" +
- "ssi_updateWindowFeatures/<@resource:///modules/sessionstore/SessionStore.jsm|" +
- "ssi_updateWindowFeatures@resource:///modules/sessionstore/SessionStore.jsm|" +
- "ssi_collectWindowData@resource:///modules/sessionstore/SessionStore.jsm|",
-
- // selection change notification may cause querying the focused editor content
- // by IME and that will cause reflow.
- "select@chrome://global/content/bindings/textbox.xml|" +
- "focusAndSelectUrlBar@chrome://browser/content/browser.js|" +
- "openLinkIn@chrome://browser/content/utilityOverlay.js|" +
- "openUILinkIn@chrome://browser/content/utilityOverlay.js|" +
- "BrowserOpenTab@chrome://browser/content/browser.js|",
-
-];
-
-const PREF_PRELOAD = "browser.newtab.preload";
-const PREF_NEWTAB_DIRECTORYSOURCE = "browser.newtabpage.directory.source";
-
-/*
- * This test ensures that there are no unexpected
- * uninterruptible reflows when opening new tabs.
- */
-add_task(function*() {
- let DirectoryLinksProvider = Cu.import("resource:///modules/DirectoryLinksProvider.jsm", {}).DirectoryLinksProvider;
- let NewTabUtils = Cu.import("resource://gre/modules/NewTabUtils.jsm", {}).NewTabUtils;
- let Promise = Cu.import("resource://gre/modules/Promise.jsm", {}).Promise;
-
- // resolves promise when directory links are downloaded and written to disk
- function watchLinksChangeOnce() {
- let deferred = Promise.defer();
- let observer = {
- onManyLinksChanged: () => {
- DirectoryLinksProvider.removeObserver(observer);
- NewTabUtils.links.populateCache(() => {
- NewTabUtils.allPages.update();
- deferred.resolve();
- }, true);
- }
- };
- observer.onDownloadFail = observer.onManyLinksChanged;
- DirectoryLinksProvider.addObserver(observer);
- return deferred.promise;
- }
-
- let gOrigDirectorySource = Services.prefs.getCharPref(PREF_NEWTAB_DIRECTORYSOURCE);
- registerCleanupFunction(() => {
- Services.prefs.clearUserPref(PREF_PRELOAD);
- Services.prefs.setCharPref(PREF_NEWTAB_DIRECTORYSOURCE, gOrigDirectorySource);
- return watchLinksChangeOnce();
- });
-
- Services.prefs.setBoolPref(PREF_PRELOAD, false);
- // set directory source to dummy/empty links
- Services.prefs.setCharPref(PREF_NEWTAB_DIRECTORYSOURCE, 'data:application/json,{"test":1}');
-
- // run tests when directory source change completes
- yield watchLinksChangeOnce();
-
- // Perform a click in the top left of content to ensure the mouse isn't
- // hovering over any of the tiles
- let target = gBrowser.selectedBrowser;
- let rect = target.getBoundingClientRect();
- let left = rect.left + 1;
- let top = rect.top + 1;
-
- let utils = window.QueryInterface(Ci.nsIInterfaceRequestor)
- .getInterface(Ci.nsIDOMWindowUtils);
- utils.sendMouseEvent("mousedown", left, top, 0, 1, 0, false, 0, 0);
- utils.sendMouseEvent("mouseup", left, top, 0, 1, 0, false, 0, 0);
-
- // Add a reflow observer and open a new tab.
- docShell.addWeakReflowObserver(observer);
- BrowserOpenTab();
-
- // Wait until the tabopen animation has finished.
- yield waitForTransitionEnd();
-
- // Remove reflow observer and clean up.
- docShell.removeWeakReflowObserver(observer);
- gBrowser.removeCurrentTab();
-});
-
-var observer = {
- reflow: function (start, end) {
- // Gather information about the current code path.
- let path = (new Error().stack).split("\n").slice(1).map(line => {
- return line.replace(/:\d+:\d+$/, "");
- }).join("|");
- let pathWithLineNumbers = (new Error().stack).split("\n").slice(1).join("|");
-
- // Stack trace is empty. Reflow was triggered by native code.
- if (path === "") {
- return;
- }
-
- // Check if this is an expected reflow.
- for (let stack of EXPECTED_REFLOWS) {
- if (path.startsWith(stack)) {
- ok(true, "expected uninterruptible reflow '" + stack + "'");
- return;
- }
- }
-
- ok(false, "unexpected uninterruptible reflow '" + pathWithLineNumbers + "'");
- },
-
- reflowInterruptible: function (start, end) {
- // We're not interested in interruptible reflows.
- },
-
- QueryInterface: XPCOMUtils.generateQI([Ci.nsIReflowObserver,
- Ci.nsISupportsWeakReference])
-};
-
-function waitForTransitionEnd() {
- return new Promise(resolve => {
- let tab = gBrowser.selectedTab;
- tab.addEventListener("transitionend", function onEnd(event) {
- if (event.propertyName === "max-width") {
- tab.removeEventListener("transitionend", onEnd);
- resolve();
- }
- });
- });
-}