File: test_hide_gamepad_info_iframe.html

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<!DOCTYPE html>
<meta charset="utf8">
<!--<script src="/tests/SimpleTest/SimpleTest.js"></script>-->
<script>
var SimpleTest = window.parent.SimpleTest;

function forceFail() {
  SimpleTest.ok(
    false,
    "privacy.resistFingerprinting is true, should not receive any gamepad events"
  );
}

window.addEventListener("gamepadconnected", forceFail);
window.addEventListener("gamepaddisconnected", forceFail);
window.addEventListener("gamepadbuttondown", forceFail);

window.addEventListener("load", async () => {
  const service = navigator.requestGamepadServiceTest();
  const buttonIndex = await service.addGamepad(
    "test gamepad", // id
    service.standardMapping,
    service.noHand,
    4, // buttons
    2,
    0,
    0,
    0
  );

  // Press a button to make the gamepad visible to the page.
  await service.newButtonEvent(buttonIndex, 0, true, true);

  const { length } = navigator.getGamepads();
  SimpleTest.is(
    length,
    0,
    "privacy.resistFingerprinting is true, navigator.getGamepads() should always return an empty array"
  );

  // Attempt to force gamepad events to be fired, by simulating gamepad disconnect
  await service.removeGamepad(buttonIndex);
  SimpleTest.finish();
});
</script>