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<!DOCTYPE html>
<html>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="/tests/SimpleTest/paint_listener.js"></script>
<script src="apz_test_utils.js"></script>
<script src="apz_test_native_event_utils.js"></script>
<style>
html { overflow-y: scroll; }
body { margin: 0; }
div { height: 1000vh; }
</style>
<div id='target'></div>
<script>
window.addEventListener('wheel', () => {
const timeAtStart = window.performance.now();
while (window.performance.now() - timeAtStart < 200) {
// Make a 200ms busy state.
}
}, { passive: false});
// Silence SimpleTest warning about missing assertions by having it wait
// indefinitely. We don't need to give it an explicit finish because the
// entire window this test runs in will be closed after subtestDone is called.
SimpleTest.waitForExplicitFinish();
</script>
</script>
</html>