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Diffstat (limited to '')
-rw-r--r-- | dom/ipc/tests/browser_cancel_content_js.js | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/dom/ipc/tests/browser_cancel_content_js.js b/dom/ipc/tests/browser_cancel_content_js.js new file mode 100644 index 0000000000..e33d59792c --- /dev/null +++ b/dom/ipc/tests/browser_cancel_content_js.js @@ -0,0 +1,72 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +"use strict"; + +requestLongerTimeout(10); + +const TEST_PAGE = + "http://mochi.test:8888/browser/dom/ipc/tests/file_cancel_content_js.html"; +const NEXT_PAGE = "http://mochi.test:8888/browser/dom/ipc/tests/"; +const JS_URI = "javascript:void(document.title = 'foo')"; + +async function test_navigation(nextPage, cancelContentJSPref, shouldCancel) { + await SpecialPowers.pushPrefEnv({ + set: [ + ["dom.ipc.cancel_content_js_when_navigating", cancelContentJSPref], + ["dom.max_script_run_time", 20], + // Force a single process so that the navigation will complete in the same + // process as the previous page which is running the long-running script. + ["dom.ipc.processCount", 1], + ["dom.ipc.processCount.webIsolated", 1], + ], + }); + let tab = await BrowserTestUtils.openNewForegroundTab({ + gBrowser, + opening: TEST_PAGE, + }); + + const loopEnded = ContentTask.spawn(tab.linkedBrowser, [], async function () { + await new Promise(resolve => { + content.addEventListener("LongLoopEnded", resolve, { + once: true, + }); + }); + }); + + // Wait for the test page's long-running JS loop to start. + await ContentTask.spawn(tab.linkedBrowser, [], function () { + content.dispatchEvent(new content.Event("StartLongLoop")); + }); + + info( + `navigating to ${nextPage} with cancel content JS ${ + cancelContentJSPref ? "enabled" : "disabled" + }` + ); + const nextPageLoaded = BrowserTestUtils.waitForContentEvent( + tab.linkedBrowser, + "DOMTitleChanged" + ); + BrowserTestUtils.loadURIString(gBrowser, nextPage); + + const result = await Promise.race([ + nextPageLoaded, + loopEnded.then(() => "timeout"), + ]); + + const timedOut = result === "timeout"; + if (shouldCancel) { + ok(timedOut === false, "expected next page to be loaded"); + } else { + ok(timedOut === true, "expected timeout"); + } + + BrowserTestUtils.removeTab(tab); +} + +add_task(async () => test_navigation(NEXT_PAGE, true, true)); +add_task(async () => test_navigation(NEXT_PAGE, false, false)); +add_task(async () => test_navigation(JS_URI, true, false)); +add_task(async () => test_navigation(JS_URI, false, false)); |