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<!DOCTYPE html>
<html>
<head>
<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>
</head>
<body>
</body>
<script>
async function select_range(t, anchorNode, focusNode) {
await new test_driver.Actions()
.pointerMove(0, 0, {origin: anchorNode})
.pointerDown()
.pointerMove(focusNode.clientWidth, focusNode.clientHeight, {origin: focusNode})
.pointerUp()
.send();
}
const kHTML = `
<div id=parentDiv>
<span id=parentParagraph>Parent paragraph</span>
<div id=childDiv>
<span id=childParagraph1>Child paragraph one</span>
<span id=childParagraph2>Paragraph two</span>
</div>
</div>
`;
// The two tests below are semantically identical, however after the selection
// is made but before `remove()`:
// - The first test does nothing
// - The second test runs asserts on `getSelection()` (before `remove()` is
// run).
//
// The existence of the `getSelection()` asserts before `remove()` appears to
// have a side-effect in Chromium browsers. See https://crbug.com/379275917.
promise_test(async t => {
document.body.innerHTML = kHTML;
getSelection().removeAllRanges();
await select_range(t, parentParagraph, childParagraph1);
parentParagraph.remove();
assert_equals(getSelection().anchorNode, parentDiv, "anchorNode snaps up to parent");
}, "anchorNode snaps up to parent when removed (no asserts)");
promise_test(async t => {
document.body.innerHTML = kHTML;
getSelection().removeAllRanges();
await select_range(t, parentParagraph, childParagraph1);
assert_equals(getSelection().anchorNode, parentParagraph.firstChild, "anchorNode before move");
parentParagraph.remove();
assert_equals(getSelection().anchorNode, parentDiv, "anchorNode snaps up to parent");
}, "anchorNode snaps up to parent when removed (with asserts)");
</script>
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