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-rw-r--r--dom/base/test/fullscreen/browser_fullscreen-navigation-race.js162
1 files changed, 162 insertions, 0 deletions
diff --git a/dom/base/test/fullscreen/browser_fullscreen-navigation-race.js b/dom/base/test/fullscreen/browser_fullscreen-navigation-race.js
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+++ b/dom/base/test/fullscreen/browser_fullscreen-navigation-race.js
@@ -0,0 +1,162 @@
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+requestLongerTimeout(2);
+
+// Import helpers
+Services.scriptloader.loadSubScript(
+ "chrome://mochitests/content/browser/dom/base/test/fullscreen/fullscreen_helpers.js",
+ this
+);
+
+// This test tends to trigger a race in the fullscreen time telemetry,
+// where the fullscreen enter and fullscreen exit events (which use the
+// same histogram ID) overlap. That causes TelemetryStopwatch to log an
+// error.
+SimpleTest.ignoreAllUncaughtExceptions(true);
+
+add_setup(async function () {
+ await pushPrefs(
+ ["full-screen-api.transition-duration.enter", "0 0"],
+ ["full-screen-api.transition-duration.leave", "0 0"],
+ ["full-screen-api.allow-trusted-requests-only", false]
+ );
+});
+
+add_task(async function navigation() {
+ await BrowserTestUtils.withNewTab(
+ {
+ gBrowser,
+ url: `data:text/html,
+ <button id="button">Click here</button>
+ <script>
+ let button = document.getElementById("button");
+ button.addEventListener("click", function() {
+ button.requestFullscreen();
+ location.href = "about:blank";
+ });
+ </script>`,
+ },
+ async function (browser) {
+ BrowserTestUtils.synthesizeMouseAtCenter("#button", {}, browser);
+
+ // Give some time for fullscreen transition.
+ await new Promise(aResolve => {
+ SimpleTest.executeSoon(() => {
+ SimpleTest.executeSoon(aResolve);
+ });
+ });
+
+ // Wait fullscreen exit event if browser is still in fullscreen mode.
+ if (
+ window.fullScreen ||
+ document.documentElement.hasAttribute("inFullscreen")
+ ) {
+ info("The widget is still in fullscreen, wait again");
+ await waitWidgetFullscreenEvent(window, false, true);
+ }
+ if (document.documentElement.hasAttribute("inDOMFullscreen")) {
+ info("The chrome document is still in fullscreen, wait again");
+ await waitForFullScreenObserver(window, false, true);
+ }
+
+ // Ensure the browser exits fullscreen state.
+ ok(!window.fullScreen, "The widget should not be in fullscreen");
+ ok(
+ !document.documentElement.hasAttribute("inFullscreen"),
+ "The chrome window should not be in fullscreen"
+ );
+ ok(
+ !document.documentElement.hasAttribute("inDOMFullscreen"),
+ "The chrome document should not be in fullscreen"
+ );
+ }
+ );
+});
+
+async function startTests(setupFun, name) {
+ TEST_URLS.forEach(url => {
+ add_task(async () => {
+ info(`Test ${name}, url: ${url}`);
+ await BrowserTestUtils.withNewTab(
+ {
+ gBrowser,
+ url,
+ },
+ async function (browser) {
+ let promiseFsState = Promise.all([
+ setupFun(browser),
+ waitForFullscreenState(document, false, true),
+ ]);
+ // Trigger click event in inner most iframe
+ SpecialPowers.spawn(
+ browser.browsingContext.children[0].children[0],
+ [],
+ function () {
+ content.setTimeout(() => {
+ content.document.getElementById("div").click();
+ }, 0);
+ }
+ );
+ await promiseFsState;
+
+ // Ensure the browser exits fullscreen state.
+ ok(
+ !window.fullScreen,
+ "The chrome window should not be in fullscreen"
+ );
+ ok(
+ !document.documentElement.hasAttribute("inDOMFullscreen"),
+ "The chrome document should not be in fullscreen"
+ );
+ }
+ );
+ });
+ });
+}
+
+function NavigateRemoteDocument(aBrowsingContext, aURL) {
+ return SpecialPowers.spawn(aBrowsingContext, [aURL], async function (url) {
+ content.document.addEventListener(
+ "fullscreenchange",
+ function () {
+ content.location.href = url;
+ },
+ { once: true }
+ );
+ });
+}
+
+startTests(async browser => {
+ // toplevel
+ await NavigateRemoteDocument(browser.browsingContext, "about:blank");
+}, "navigation_toplevel");
+
+startTests(async browser => {
+ // middle iframe
+ let promise = waitRemoteFullscreenExitEvents([
+ // browsingContext, name
+ [browser.browsingContext, "toplevel"],
+ ]);
+ await NavigateRemoteDocument(
+ browser.browsingContext.children[0],
+ "about:blank"
+ );
+ return promise;
+}, "navigation_middle_frame");
+
+startTests(async browser => {
+ // innermost iframe
+ let promise = waitRemoteFullscreenExitEvents([
+ // browsingContext, name
+ [browser.browsingContext, "toplevel"],
+ [browser.browsingContext.children[0], "middle"],
+ ]);
+ await NavigateRemoteDocument(
+ browser.browsingContext.children[0].children[0],
+ "about:blank"
+ );
+ return promise;
+}, "navigation_inner_frame");