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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /shadow-dom/input-type-radio.html - WPT Dashboard Interop Dashboard
<!doctype html>
<meta charset=utf-8>
<title></title>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<input type="radio" name="group" id="lightRadio1">
<input type="radio" name="group" id="lightRadio2">
<div id="host"></div>
<script>
test(() => {
var lightRadio1 = document.getElementById("lightRadio1");
var lightRadio2 = document.getElementById("lightRadio2");
var host = document.getElementById("host");
var sr = host.attachShadow({mode: "closed"});
var shadowRadio1 = document.createElement("input");
shadowRadio1.name = "group";
shadowRadio1.id = "shadowRadio1";
shadowRadio1.type = "radio";
sr.appendChild(shadowRadio1);
var shadowRadio2 = document.createElement("input");
shadowRadio2.name = "group";
shadowRadio2.id = "shadowRadio2";
shadowRadio2.type = "radio";
sr.appendChild(shadowRadio2);
assert_false(lightRadio1.checked);
assert_false(lightRadio2.checked);
assert_false(shadowRadio1.checked);
assert_false(shadowRadio2.checked);
lightRadio1.click();
assert_true(lightRadio1.checked);
assert_false(lightRadio2.checked);
assert_false(shadowRadio1.checked);
assert_false(shadowRadio2.checked);
lightRadio2.click();
assert_false(lightRadio1.checked);
assert_true(lightRadio2.checked);
assert_false(shadowRadio1.checked);
assert_false(shadowRadio2.checked);
shadowRadio1.click();
assert_false(lightRadio1.checked);
assert_true(lightRadio2.checked);
assert_true(shadowRadio1.checked);
assert_false(shadowRadio2.checked);
shadowRadio2.click();
assert_false(lightRadio1.checked);
assert_true(lightRadio2.checked);
assert_false(shadowRadio1.checked);
assert_true(shadowRadio2.checked);
// Ensure radio groups work even when modifying shadow DOM.
shadowRadio2.remove();
sr.appendChild(shadowRadio2);
shadowRadio2.click();
assert_false(lightRadio1.checked);
assert_true(lightRadio2.checked);
assert_false(shadowRadio1.checked);
assert_true(shadowRadio2.checked);
shadowRadio1.click();
assert_false(lightRadio1.checked);
assert_true(lightRadio2.checked);
assert_true(shadowRadio1.checked);
assert_false(shadowRadio2.checked);
}, "input type=radio elements should form a group inside shadow DOM.");
</script>