third_party/blink/web_tests/wpt_internal/geolocation-api/clear-watch-invalid-id-crash.https.html

<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
<html>
<head>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/testharness-adapter.js"></script>
</head>
<body>
<script type="module">
import {GeolocationMock} from './resources/geolocation-mock.js';

document.body.onload = function() {
    const mock = new GeolocationMock();
    mock.setGeolocationPermission(true);
    mock.setGeolocationPosition(51.478, -0.166, 100);

    navigator.geolocation.watchPosition(() => {});
    navigator.geolocation.clearWatch(0);

    // This triggers unload, exercising the regression path which could crash
    // the renderer due to the invalid clearWatch invocation above. The test
    // passes if it doesn't crash.
    location = "resources/pass-test.html#no crash on unload after clearing invalid watch id";
}
</script>
</body>
</html>