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7a09de96f9
Differential Revision: https://phabricator.services.mozilla.com/D25390 --HG-- extra : moz-landing-system : lando
75 lines
2.6 KiB
JavaScript
75 lines
2.6 KiB
JavaScript
"use strict";
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/*
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* This test triggers multiple alerts on one single tab, because it"s possible
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* for web content to do so. The behavior is described in bug 1266353.
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*
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* We assert the presentation of the multiple alerts, ensuring we show only
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* the oldest one.
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*/
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add_task(async function() {
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const PROMPTCOUNT = 9;
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let contentScript = function(MAX_PROMPT) {
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var i = MAX_PROMPT;
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let fns = ["alert", "prompt", "confirm"];
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window.addEventListener("message", function() {
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i--;
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if (i) {
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window.postMessage("ping", "*");
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}
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window[fns[i % 3]](fns[i % 3] + " countdown #" + i);
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});
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window.postMessage("ping", "*");
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};
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let url = "data:text/html,<script>(" + encodeURIComponent(contentScript.toSource()) + ")(" + PROMPTCOUNT + ");</script>";
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let promptsOpenedPromise = new Promise(function(resolve) {
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let unopenedPromptCount = PROMPTCOUNT;
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Services.obs.addObserver(function observer() {
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unopenedPromptCount--;
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if (!unopenedPromptCount) {
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Services.obs.removeObserver(observer, "tabmodal-dialog-loaded");
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info("Prompts opened.");
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resolve();
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}
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}, "tabmodal-dialog-loaded");
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});
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let tab = await BrowserTestUtils.openNewForegroundTab(gBrowser, url, true);
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info("Tab loaded");
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await promptsOpenedPromise;
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let promptElementsCount = PROMPTCOUNT;
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while (promptElementsCount--) {
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let promptElements = tab.linkedBrowser.parentNode.querySelectorAll("tabmodalprompt");
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is(promptElements.length, promptElementsCount + 1, "There should be " + (promptElementsCount + 1) + " prompt(s).");
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// The oldest should be the first.
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let i = 0;
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for (let promptElement of promptElements) {
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let prompt = tab.linkedBrowser.tabModalPromptBox.prompts.get(promptElement);
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let expectedType = ["alert", "prompt", "confirm"][i % 3];
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is(prompt.Dialog.args.text, expectedType + " countdown #" + i, "The #" + i + " alert should be labelled as such.");
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if (i !== promptElementsCount) {
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is(prompt.element.hidden, true, "This prompt should be hidden.");
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i++;
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continue;
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}
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is(prompt.element.hidden, false, "The last prompt should not be hidden.");
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prompt.onButtonClick(0);
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// The click is handled async; wait for an event loop turn for that to
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// happen.
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await new Promise(function(resolve) {
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Services.tm.dispatchToMainThread(resolve);
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});
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}
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}
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let promptElements = tab.linkedBrowser.parentNode.querySelectorAll("tabmodalprompt");
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is(promptElements.length, 0, "Prompts should all be dismissed.");
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BrowserTestUtils.removeTab(tab);
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});
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