fune/browser/base/content/test/webextensions/browser_permissions_pointerevent.js
Stone Shih 6cbc21aa58 Bug 1355497: Ignore preventDefault on pointerdown by WebExtensions. r=smaug.
Prevent default on pointerdown will stop firing the subsequent mouse events. Ignore the case that preventDefault by WebExtensions to avoid breaking some websites.

MozReview-Commit-ID: 9ztW1WfEg9a
2017-07-10 16:42:01 +08:00

48 lines
1.7 KiB
JavaScript

/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* vim: set sts=2 sw=2 et tw=80: */
"use strict";
add_task(async function test_pointerevent() {
async function contentScript() {
document.addEventListener("pointerdown", async (e) => {
browser.test.assertTrue(true, "Should receive pointerdown");
e.preventDefault();
});
document.addEventListener("mousedown", (e) => {
browser.test.assertTrue(true, "Should receive mousedown");
});
document.addEventListener("mouseup", (e) => {
browser.test.assertTrue(true, "Should receive mouseup");
});
document.addEventListener("pointerup", (e) => {
browser.test.assertTrue(true, "Should receive pointerup");
browser.test.sendMessage("done");
});
browser.test.sendMessage("pageReady");
}
let extension = ExtensionTestUtils.loadExtension({
background() {
browser.test.sendMessage("ready", browser.runtime.getURL("page.html"));
},
files: {
"page.html": `<html><head><script src="page.js"></script></head></html>`,
"page.js": contentScript,
},
});
await extension.startup();
await new Promise(resolve => {
SpecialPowers.pushPrefEnv({"set": [["dom.w3c_pointer_events.enabled", true]]}, resolve);
});
let url = await extension.awaitMessage("ready");
await BrowserTestUtils.withNewTab({gBrowser, url}, async browser => {
await extension.awaitMessage("pageReady");
await BrowserTestUtils.synthesizeMouseAtCenter("html", {type: "mousedown", button: 0}, browser);
await BrowserTestUtils.synthesizeMouseAtCenter("html", {type: "mouseup", button: 0}, browser);
await extension.awaitMessage("done");
});
await extension.unload();
});