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<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-actions.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<canvas id="canvas"></canvas>
<script>
function RunTest(d, move) {
promise_test(async (t) => {
const presenter = await navigator.ink.requestPresenter({presentationArea: canvas});
const style = { color: "green", diameter: d };
canvas.addEventListener("pointermove", evt => {
assert_equals(d, style.diameter);
assert_throws_dom("NotSupportedError", function() {
presenter.updateInkTrailStartPoint(evt, style);
}, "Expected a NotSupportedError to be thrown due to diameter set to "+d+".");
});
const actions_promise = new test_driver.Actions().pointerMove(move, move).send();
t.add_cleanup(() => actions_promise);
});
}
RunTest(0, 10);
RunTest(-0.000001, 11);
RunTest(-1, 10);
RunTest(-100, 11);
</script>
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