function test() { const kPrefName_AutoScroll = "general.autoScroll"; Services.prefs.setBoolPref(kPrefName_AutoScroll, true); const kNoKeyEvents = 0; const kKeyDownEvent = 1; const kKeyPressEvent = 2; const kKeyUpEvent = 4; const kAllKeyEvents = 7; var expectedKeyEvents; var dispatchedKeyEvents; var key; var root; function sendKey(aKey) { key = aKey; dispatchedKeyEvents = kNoKeyEvents; EventUtils.synthesizeKey(key, {}, gBrowser.contentWindow); is(dispatchedKeyEvents, expectedKeyEvents, "unexpected key events were dispatched or not dispatched: " + key); } function onKey(aEvent) { if (aEvent.target != root) { ok(false, "unknown target: " + aEvent.target.tagName); return; } var keyFlag; switch (aEvent.type) { case "keydown": keyFlag = kKeyDownEvent; break; case "keypress": keyFlag = kKeyPressEvent; break; case "keyup": keyFlag = kKeyUpEvent; break; default: ok(false, "Unknown events: " + aEvent.type); return; } dispatchedKeyEvents |= keyFlag; is(keyFlag, expectedKeyEvents & keyFlag, aEvent.type + " fired: " + key); } waitForExplicitFinish(); gBrowser.selectedBrowser.addEventListener("pageshow", onLoad, false); var dataUri = 'data:text/html,'; gBrowser.loadURI(dataUri); function onLoad() { gBrowser.selectedBrowser.removeEventListener("pageshow", onLoad, false); waitForFocus(onFocus, content); } function onFocus() { var doc = gBrowser.contentDocument; root = doc.documentElement; root.addEventListener("keydown", onKey, true); root.addEventListener("keypress", onKey, true); root.addEventListener("keyup", onKey, true); // Test whether the key events are handled correctly under normal condition expectedKeyEvents = kAllKeyEvents; sendKey("A"); // Start autoscrolling by middle button lick on the page EventUtils.synthesizeMouse(root, 10, 10, { button: 1 }, gBrowser.contentWindow); // Most key events should be eaten by the browser. expectedKeyEvents = kNoKeyEvents; sendKey("A"); sendKey("VK_DOWN"); sendKey("VK_RETURN"); sendKey("VK_ENTER"); sendKey("VK_HOME"); sendKey("VK_END"); sendKey("VK_TAB"); sendKey("VK_ENTER"); // Finish autoscrolling by ESC key. Note that only keydown and keypress // events are eaten because keyup event is fired *after* the autoscrolling // is finished. expectedKeyEvents = kKeyUpEvent; sendKey("VK_ESCAPE"); // Test whether the key events are handled correctly under normal condition expectedKeyEvents = kAllKeyEvents; sendKey("A"); root.removeEventListener("keydown", onKey, true); root.removeEventListener("keypress", onKey, true); root.removeEventListener("keyup", onKey, true); // restore the changed prefs if (Services.prefs.prefHasUserValue(kPrefName_AutoScroll)) Services.prefs.clearUserPref(kPrefName_AutoScroll); // cleaning-up gBrowser.addTab().linkedBrowser.stop(); gBrowser.removeCurrentTab(); finish(); } }