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<!DOCTYPE html>
<meta charset="utf-8">
<link rel="stylesheet" href="/tests/SimpleTest/test.css"/>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="/tests/SimpleTest/EventUtils.js"></script>
<script>
/* global SimpleTest SpecialPowers synthesizeTouch */
SimpleTest.waitForExplicitFinish();
function promiseEvent(target, eventName) {
return new Promise(resolve => {
target.addEventListener(eventName, resolve, {once: true});
});
}
function promiseTouchEvent(target, type, offsetX, offsetY, params) {
let touchEventPromise = promiseEvent(target, type);
params.type = type;
synthesizeTouch(target, offsetX, offsetY, params);
return touchEventPromise;
}
document.addEventListener("DOMContentLoaded", async () => {
const target0 = document.getElementById("target0");
const touchParams = {force: 1.0, angle: 1.0, rx: 2, ry: 3};
await SpecialPowers.pushPrefEnv({set: [["dom.w3c_touch_events.enabled", 1]]});
for (let resist of [false, true]) {
await SpecialPowers.pushPrefEnv({set: [["privacy.resistFingerprinting", resist]]});
info("starting test with fingerprinting resistance " + (resist ? "on" : "off"));
let touchEvent = await promiseTouchEvent(target0, "touchstart", 5, 5, touchParams);
info("touch event received");
let touch = touchEvent.touches[0];
if (resist) {
is(touch.screenX, touch.clientX, "touch.screenX should be the same as touch.clientX");
is(touch.screenY, touch.clientY, "touch.screenY should be the same as touch.clientY");
// radiusX/radiusY may differ from the original rx/ry because of AppUnitsPerCSSPixel and AppUnitsPerDevPixel.
// So only check if the values are spoofed.
is(touch.radiusX, 0, "touch.radiusX");
is(touch.radiusY, 0, "touch.radiusY");
}
is(touch.force, resist ? 0.0 : touchParams.force, "touch.force");
is(touch.rotationAngle, resist ? 0 : touchParams.angle, "touch.rotationAngle");
}
SimpleTest.finish();
});
</script>
<div id="target0">target 0</div>
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