<!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>
  promise_test(async (t) => {
    const presenter = await navigator.ink.requestPresenter({presentationArea: canvas});
    const style = { color: "bad-color", diameter: 6 };

    canvas.addEventListener("pointermove", evt => {
      assert_throws_js(TypeError, function() {
        presenter.updateInkTrailStartPoint(evt, style);
      }, "Expected a TypeError to be thrown due to bad color.");
    });

    const actions_promise = new test_driver.Actions().pointerMove(10,10).send();
    t.add_cleanup(() => actions_promise);
  });
</script>