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Diffstat (limited to '')
-rw-r--r-- | dom/base/test/fullscreen/browser_fullscreen-document-mutation-race.js | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/dom/base/test/fullscreen/browser_fullscreen-document-mutation-race.js b/dom/base/test/fullscreen/browser_fullscreen-document-mutation-race.js new file mode 100644 index 0000000000..75ca199aaa --- /dev/null +++ b/dom/base/test/fullscreen/browser_fullscreen-document-mutation-race.js @@ -0,0 +1,122 @@ +/* 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 = 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 RemoveElementFromRemoteDocument(aBrowsingContext, aElementId) { + return SpecialPowers.spawn( + aBrowsingContext, + [aElementId], + async function (id) { + content.document.addEventListener( + "fullscreenchange", + function () { + content.document.getElementById(id).remove(); + }, + { once: true } + ); + } + ); +} + +startTests(async browser => { + // toplevel + let promise = waitRemoteFullscreenExitEvents([ + // browsingContext, name + [browser.browsingContext, "toplevel"], + ]); + await RemoveElementFromRemoteDocument(browser.browsingContext, "div"); + return promise; +}, "document_mutation_toplevel"); + +startTests(async browser => { + // middle iframe + let promise = waitRemoteFullscreenExitEvents([ + // browsingContext, name + [browser.browsingContext, "toplevel"], + [browser.browsingContext.children[0], "middle"], + ]); + await RemoveElementFromRemoteDocument( + browser.browsingContext.children[0], + "div" + ); + return promise; +}, "document_mutation_middle_frame"); + +startTests(async browser => { + // innermost iframe + let promise = waitRemoteFullscreenExitEvents([ + // browsingContext, name + [browser.browsingContext, "toplevel"], + [browser.browsingContext.children[0], "middle"], + [browser.browsingContext.children[0].children[0], "inner"], + ]); + await RemoveElementFromRemoteDocument( + browser.browsingContext.children[0].children[0], + "div" + ); + return promise; +}, "document_mutation_inner_frame"); |