diff options
Diffstat (limited to 'dom/ipc/tests/JSWindowActor/browser_destroy_callbacks.js')
| -rw-r--r-- | dom/ipc/tests/JSWindowActor/browser_destroy_callbacks.js | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/dom/ipc/tests/JSWindowActor/browser_destroy_callbacks.js b/dom/ipc/tests/JSWindowActor/browser_destroy_callbacks.js new file mode 100644 index 0000000000..74cbae9415 --- /dev/null +++ b/dom/ipc/tests/JSWindowActor/browser_destroy_callbacks.js @@ -0,0 +1,193 @@ +/* Any copyright is dedicated to the Public Domain. + http://creativecommons.org/publicdomain/zero/1.0/ */ +"use strict"; + +declTest("destroy actor by iframe remove", { + allFrames: true, + + async test(browser) { + await SpecialPowers.spawn(browser, [], async function () { + // Create and append an iframe into the window's document. + let frame = content.document.createElement("iframe"); + frame.id = "frame"; + content.document.body.appendChild(frame); + await ContentTaskUtils.waitForEvent(frame, "load"); + is(content.window.frames.length, 1, "There should be an iframe."); + let child = frame.contentWindow.windowGlobalChild; + let actorChild = child.getActor("TestWindow"); + ok(actorChild, "JSWindowActorChild should have value."); + + { + let error = actorChild.uninitializedGetterError; + const prop = "contentWindow"; + Assert.ok( + error, + `Should get error accessing '${prop}' before actor initialization` + ); + if (error) { + Assert.equal( + error.name, + "InvalidStateError", + "Error should be an InvalidStateError" + ); + Assert.equal( + error.message, + `JSWindowActorChild.${prop} getter: Cannot access property '${prop}' before actor is initialized`, + "Error should have informative message" + ); + } + } + + let didDestroyPromise = new Promise(resolve => { + const TOPIC = "test-js-window-actor-diddestroy"; + Services.obs.addObserver(function obs(subject, topic, data) { + ok(data, "didDestroyCallback data should be true."); + is(subject, actorChild, "Should have this value"); + + Services.obs.removeObserver(obs, TOPIC); + // Make a trip through the event loop to ensure that the + // actor's manager has been cleared before running remaining + // checks. + Services.tm.dispatchToMainThread(resolve); + }, TOPIC); + }); + + info("Remove frame"); + content.document.getElementById("frame").remove(); + await didDestroyPromise; + + Assert.throws( + () => child.getActor("TestWindow"), + /InvalidStateError/, + "Should throw if frame destroy." + ); + + for (let prop of [ + "document", + "browsingContext", + "docShell", + "contentWindow", + ]) { + let error; + try { + void actorChild[prop]; + } catch (e) { + error = e; + } + Assert.ok( + error, + `Should get error accessing '${prop}' after actor destruction` + ); + if (error) { + Assert.equal( + error.name, + "InvalidStateError", + "Error should be an InvalidStateError" + ); + Assert.equal( + error.message, + `JSWindowActorChild.${prop} getter: Cannot access property '${prop}' after actor 'TestWindow' has been destroyed`, + "Error should have informative message" + ); + } + } + }); + }, +}); + +declTest("destroy actor by page navigates", { + allFrames: true, + + async test(browser) { + info("creating an in-process frame"); + await SpecialPowers.spawn(browser, [URL], async function (url) { + let frame = content.document.createElement("iframe"); + frame.src = url; + content.document.body.appendChild(frame); + }); + + info("navigating page"); + await SpecialPowers.spawn(browser, [TEST_URL], async function (url) { + let frame = content.document.querySelector("iframe"); + frame.contentWindow.location = url; + let child = frame.contentWindow.windowGlobalChild; + let actorChild = child.getActor("TestWindow"); + ok(actorChild, "JSWindowActorChild should have value."); + + let didDestroyPromise = new Promise(resolve => { + const TOPIC = "test-js-window-actor-diddestroy"; + Services.obs.addObserver(function obs(subject, topic, data) { + ok(data, "didDestroyCallback data should be true."); + is(subject, actorChild, "Should have this value"); + + Services.obs.removeObserver(obs, TOPIC); + resolve(); + }, TOPIC); + }); + + await Promise.all([ + didDestroyPromise, + ContentTaskUtils.waitForEvent(frame, "load"), + ]); + + Assert.throws( + () => child.getActor("TestWindow"), + /InvalidStateError/, + "Should throw if frame destroy." + ); + }); + }, +}); + +declTest("destroy actor by tab being closed", { + allFrames: true, + + async test(browser) { + info("creating a new tab"); + let newTab = await BrowserTestUtils.openNewForegroundTab(gBrowser, URL); + let newTabBrowser = newTab.linkedBrowser; + + let parent = + newTabBrowser.browsingContext.currentWindowGlobal.getActor("TestWindow"); + ok(parent, "JSWindowActorParent should have value."); + + // We can't depend on `SpecialPowers.spawn` to resolve our promise, as the + // frame message manager will be being shut down at the same time. Instead + // send messages over the per-process message manager which should still be + // active. + let didDestroyPromise = new Promise(resolve => { + Services.ppmm.addMessageListener( + "test-jswindowactor-diddestroy", + function onmessage(msg) { + Services.ppmm.removeMessageListener( + "test-jswindowactor-diddestroy", + onmessage + ); + resolve(); + } + ); + }); + + info("setting up destroy listeners"); + await SpecialPowers.spawn(newTabBrowser, [], () => { + let child = content.windowGlobalChild; + let actorChild = child.getActor("TestWindow"); + ok(actorChild, "JSWindowActorChild should have value."); + + Services.obs.addObserver(function obs(subject, topic, data) { + if (subject != actorChild) { + return; + } + dump("DidDestroy called\n"); + Services.obs.removeObserver(obs, "test-js-window-actor-diddestroy"); + Services.cpmm.sendAsyncMessage("test-jswindowactor-diddestroy", data); + }, "test-js-window-actor-diddestroy"); + }); + + info("removing new tab"); + await BrowserTestUtils.removeTab(newTab); + info("waiting for destroy callbacks to fire"); + await didDestroyPromise; + info("got didDestroy callback"); + }, +}); |