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<!DOCTYPE html>
<meta charset="utf-8">
<!-- Conceptually this is just a crashtest, but we need testharness.js so that testdriver works as expected, see https://github.com/web-platform-tests/wpt/issues/31739 -->
<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>
<link rel=help href="https://bugzilla.mozilla.org/show_bug.cgi?id=1739079">
<span id="outer"></span>
<script>
const t = async_test("Shouldn't crash when dragging disabled textarea in shadow dom");
const outer = document.getElementById("outer");
outer.attachShadow({ mode: "open" }).innerHTML = `
<span id="inner" style="pointer-events: none">
<textarea disabled></textarea>
</span>
`;
const inner = outer.shadowRoot.getElementById("inner");
inner.attachShadow({ mode: "open" }).innerHTML = `
<div style="display: flex">
<slot></slot>
</div>
`;
const textarea = outer.shadowRoot.querySelector("textarea");
window.addEventListener("load", t.step_func(function() {
const rect = textarea.getBoundingClientRect();
new test_driver.Actions()
.pointerMove(rect.left + 5, rect.top + 5)
.pointerDown()
.pointerMove(rect.left, + 50, rect.top + 50)
.pointerMove(0, 0)
.pointerUp()
.send()
.then(t.step_func_done(function() {
assert_true(true, "Didn't crash nor hang");
}));
}));
</script>
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