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Test Info:

<!DOCTYPE html>
<meta charset="utf-8">
<title>Bug 1692277</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="/tests/gfx/layers/apz/test/mochitest/apz_test_utils.js"></script>
<script src="/tests/gfx/layers/apz/test/mochitest/apz_test_native_event_utils.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css" />
<style>
@font-face {
font-family: Ahem;
src: url("/tests/dom/base/test/Ahem.ttf");
}
#anchor {
font: 16px/1 Ahem;
}
</style>
<div>
<a href="#" id="anchor">A draggable link</a>
</div>
<script>
function waitForEvent(target, eventName) {
return new Promise(resolve => {
target.addEventListener(eventName, resolve, { once: true });
});
}
add_task(async function testPenDrag() {
await SpecialPowers.pushPrefEnv({
set: [["dom.w3c_pointer_events.dispatch_by_pointer_messages", true]],
});
await SimpleTest.promiseFocus();
const anchor = document.getElementById("anchor");
await promiseNativePointerDrag(anchor, "pen", 5, 5, 50, 50);
const promise = waitForEvent(anchor, "click");
await promiseNativePointerDrag(anchor, "pen", 5, 5, 5, 5);
await promise;
ok(true, "Got the click event");
});
</script>