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<!doctype html>
<meta charset="utf-8">
<title></title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<textarea>foo</textarea>
<input type="text" value="foo"></input>
<script>
for (let el of [document.querySelector("textarea"), document.querySelector("input")]) {
test(function() {
assert_equals(el.selectionStart, 0);
assert_equals(el.selectionEnd, 0);
}, `Default selectionStart and selectionEnd for ${el}`);
test(function() {
el.value="foo";
assert_equals(el.selectionStart, 0);
assert_equals(el.selectionEnd, 0);
}, `selectionStart and selectionEnd do not change when same value set again for ${el}`);
test(function() {
el.value="Foo";
assert_equals(el.selectionStart, 3);
assert_equals(el.selectionEnd, 3);
}, `selectionStart and selectionEnd change when value changed to upper case for ${el}`);
}
</script>
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