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-rw-r--r--dom/base/test/fullscreen/browser_fullscreen-tab-close-race.js101
1 files changed, 101 insertions, 0 deletions
diff --git a/dom/base/test/fullscreen/browser_fullscreen-tab-close-race.js b/dom/base/test/fullscreen/browser_fullscreen-tab-close-race.js
new file mode 100644
index 0000000000..f1b300b93a
--- /dev/null
+++ b/dom/base/test/fullscreen/browser_fullscreen-tab-close-race.js
@@ -0,0 +1,101 @@
+/* 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]
+ );
+});
+
+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 = waitForFullscreenExit(document);
+ setupFun(browser);
+ // 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"
+ );
+ }
+ );
+ });
+ });
+}
+
+async function WaitRemoveDocumentAndCloseTab(aBrowser, aBrowsingContext) {
+ await SpecialPowers.spawn(aBrowsingContext, [], async function () {
+ return new Promise(resolve => {
+ content.document.addEventListener(
+ "fullscreenchange",
+ e => {
+ resolve();
+ },
+ { once: true }
+ );
+ });
+ });
+
+ // This should exit fullscreen
+ let tab = gBrowser.getTabForBrowser(aBrowser);
+ BrowserTestUtils.removeTab(tab);
+}
+
+startTests(async browser => {
+ // toplevel
+ WaitRemoveDocumentAndCloseTab(browser, browser.browsingContext);
+}, "tab_close_toplevel");
+
+startTests(browser => {
+ // middle iframe
+ WaitRemoveDocumentAndCloseTab(browser, browser.browsingContext.children[0]);
+}, "tab_close_middle_frame");
+
+startTests(async browser => {
+ // innermost iframe
+ WaitRemoveDocumentAndCloseTab(
+ browser,
+ browser.browsingContext.children[0].children[0]
+ );
+}, "tab_close_inner_frame");