[tor-browser/tor-browser-45.1.0esr-6.0-1] Regression tests for Bug 17009: Pref to suppress some modifier key events
commit b815400e8aae371dcc55141d202ae96155c4c78d Author: Arthur Edelstein <arthuredelstein@gmail.com> Date: Wed Dec 23 09:52:05 2015 -0800 Regression tests for Bug 17009: Pref to suppress some modifier key events --- dom/tests/browser/browser.ini | 2 + dom/tests/browser/browser_tor_bug17009.html | 8 +++ dom/tests/browser/browser_tor_bug17009.js | 98 +++++++++++++++++++++++++++++ 3 files changed, 108 insertions(+) diff --git a/dom/tests/browser/browser.ini b/dom/tests/browser/browser.ini index 363758e..bd07b47 100644 --- a/dom/tests/browser/browser.ini +++ b/dom/tests/browser/browser.ini @@ -2,6 +2,7 @@ skip-if = e10s # Bug ?????? - most of these tests fail for currently unknown reasons. support-files = browser_frame_elements.html + browser_tor_bug17009.html page_privatestorageevent.html position.html test-console-api.html @@ -44,3 +45,4 @@ disabled = re-enable when bug 794920 is fixed [browser_xhr_sandbox.js] skip-if= buildapp == 'mulet' [browser_bug1004814.js] +[browser_tor_bug17009.js] diff --git a/dom/tests/browser/browser_tor_bug17009.html b/dom/tests/browser/browser_tor_bug17009.html new file mode 100644 index 0000000..455d547 --- /dev/null +++ b/dom/tests/browser/browser_tor_bug17009.html @@ -0,0 +1,8 @@ +<!DOCTYPE html> +<head> + <meta charset="utf-8"> + <title>Tor Bug 17009 tests</title> +</head> +<body> + Testing that Alt and Shift keydown/keyup events aren't detected in content. +</body> diff --git a/dom/tests/browser/browser_tor_bug17009.js b/dom/tests/browser/browser_tor_bug17009.js new file mode 100644 index 0000000..794baa4 --- /dev/null +++ b/dom/tests/browser/browser_tor_bug17009.js @@ -0,0 +1,98 @@ +"use strict"; + +/*jshint esnext:true */ + +const CONTENT_PAGE = "http://example.com/browser/dom/tests/browser/browser_tor_bug17009.html"; + +// __pushPref(key, value)__. +// Set the given pref to a value. Returns a promise +// that resolves asynchronously when the pref is +// successfully set. +let pushPref = function (key, value) { + return new Promise(resolve => { + SpecialPowers.pushPrefEnv({"set": [[key, value]]}, resolve); + }); +}; + +// __listen(target, eventType, useCapture)__. +// Returns a promise that resolves after a single event +// of eventType is received by the target. +let listen = function (target, eventType, useCapture) { + return new Promise(function (resolve, reject) { + let listenFunction = function (event) { + target.removeEventListener(eventType, listenFunction, useCapture); + resolve(event); + }; + target.addEventListener(eventType, listenFunction, useCapture); + }); +}; + +// __soon()__. +// Wait a little bit before we continue. Returns a promise. +let soon = function () { + return new Promise(resolve => executeSoon(resolve)); +}; + +// __runTests(contentWindow)__. +// The main tests. We test to make sure that, when +// "privacy.suppressModifierKeyEvents" is true, then content +// will not see Alt or Shift keydown or keyup events, +// but chrome will still see those events. +// If the pref is off, then both content and chrome +// should see all events. +let runTests = function* (contentWindow) { + // Check behavior for both non-resistance and resistance. + for (let resistFingerprinting of [false, true]) { + yield pushPref("privacy.resistFingerprinting", resistFingerprinting); + // Check behavior, both non-suppressing and suppressing. + for (let suppressModifiers of [false, true]) { + yield pushPref("privacy.suppressModifierKeyEvents", suppressModifiers); + // Check both keydown and keyup events. + for (let eventType of ["keydown", "keyup"]) { + // Check Alt and Shift keys. + for (let modifierKey of ["Alt", "Shift"]) { + // Listen for a single key event in the content window. + let contentEventPromise = listen(contentWindow, eventType, false); + // Listen for a single key event in the chrome window. + let chromeEventPromise = listen(window, eventType, false); + // Generate a Alt or Shift key event. + EventUtils.synthesizeKey("VK_" + modifierKey.toUpperCase(), + { type : eventType }, contentWindow); + // Generate a dummy "x" key event that will only be handled if + // modifier key is successfully suppressed. + EventUtils.synthesizeKey("x", { type: eventType }, contentWindow); + // Collect the events received in content and chrome. + let contentEvent = yield contentEventPromise; + let chromeEvent = yield chromeEventPromise; + // We should always see the modifier key in chrome, regardless of the + // pref state. + is(chromeEvent.key, modifierKey, + modifierKey + " key should be seen in chrome."); + // If and only if fingerprinting resistance is active and suppression + // is enabled, we should see the dummy "x" key; otherwise we expect + // to see the modifier key as usual. + let expectedContentKey = resistFingerprinting && suppressModifiers + ? "x" : modifierKey; + is(contentEvent.key, expectedContentKey, + expectedContentKey + " key should be seen in content."); + } + } + } + } +}; + +// Run tests asynchronously to make testing event handling straightforward. +add_task(function* () { + // Set up a content tab and select it. + let tab = gBrowser.addTab(CONTENT_PAGE), + browser = gBrowser.getBrowserForTab(tab); + gBrowser.selectedTab = tab; + + // Wait for tab to be completely loaded, then run the tests. + yield listen(browser, "DOMContentLoaded", false); + yield soon(); + yield runTests(gBrowser.contentWindow); + + // cleanup + gBrowser.removeTab(tab); +});
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