import 'package:expect/minitest.dart'; import 'dart:html'; main() { var isGamepadList = predicate((x) => x is List, 'is a List'); insertTestDiv() { var element = new Element.tag('div'); element.innerHtml = r''' A large block of text should go here. Click this block of text multiple times to see each line highlight with every click of the mouse button. '''; document.body.append(element); return element; } test("getGamepads", () { insertTestDiv(); var gamepads = window.navigator.getGamepads(); expect(gamepads, isGamepadList); for (var gamepad in gamepads) { if (gamepad != null) { expect(gamepad.id, isNotNull); } } }); }