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https://github.com/web-platform-tests/wpt
26 December 2018, 22:31:15 UTC
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Tip revision: 685b869d99601c727e5edec3dd40f3714ce44ffc authored by Frédéric Wang on 14 March 2018, 11:33:05 UTC
Adjust MathML tests to Workaround WebKit's bug with document.fonts.ready
Tip revision: 685b869
timestamp-manual.html 
<!doctype html>
<html>
<head>
<title>Manual Gamepad timestamp tests</title>
<link rel="help" href="https://w3c.github.io/gamepad/#dom-gamepad-timestamp">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
setup({explicit_timeout: true});

function set_instructions(text) {
  document.getElementById("instructions").textContent = text;
}

var index = -1;
var lastTimestamp = performance.now();
var id = -1;
addEventListener("gamepadconnected", function (e) {
  assert_equals(index, -1, "Too many connected events?");
  index = e.gamepad.index;
  assert_greater_than(e.gamepad.timestamp, lastTimestamp, "timestamp should be increasing");
  lastTimestamp = e.gamepad.timestamp;
  set_instructions("Found a gamepad. Now release the button you pressed and press it again.");
  // There may not be a button pressed here, so handle it cleanly either way.
  if (e.gamepad.buttons.some(function (b) { return b.pressed; })) {
    id = setInterval(waitForButtonRelease, 15);
  } else {
    id = setInterval(waitForButtonPress, 15);
  }
});

function waitForButtonRelease() {
  var gamepad = navigator.getGamepads()[index];
  assert_true(!!gamepad);
  if (gamepad.buttons.every(function (b) { return !b.pressed; })) {
    assert_greater_than(gamepad.timestamp, lastTimestamp, "timestamp should be increasing");
    lastTimestamp = gamepad.timestamp;
    clearInterval(id);
    id = setInterval(waitForButtonPress, 15);
  }
}

function waitForButtonPress() {
  var gamepad = navigator.getGamepads()[index];
  assert_true(!!gamepad);
  if (gamepad.buttons.some(function (b) { return b.pressed; })) {
    assert_greater_than(gamepad.timestamp, lastTimestamp, "timestamp should be increasing");
    clearInterval(id);
    done();
  }
}

</script>
</head>
<body>
<p id="instructions">This test requires a gamepad. Connect one and press any button to start the test.</p>
</body>
</html>
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