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Test Info:

<!DOCTYPE html>
<meta name="timeout" content="long">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/utils.js"></script>
<script src="../resources/utils.js"></script>
<script src="resources/utils.js"></script>
setup(() => assertSpeculationRulesIsSupported());
// moveTo and moveBy operations should be ignored.
['moveTo', 'moveBy'].forEach(moveFunc => {
promise_test(async t => {
const uid = token();
const bc = new PrerenderChannel('test-channel', uid);
t.add_cleanup(_ => bc.close());
const gotMessage = new Promise(resolve => {
bc.addEventListener('message', e => {
}, {once: true});
const url = `resources/window-move.html?move=${moveFunc}&uid=${uid}`;
// We have to open a new window to run the test, since a window that was
// not created by cannot be moved., '_blank',
width=${window.screen.availWidth / 2},
height=${window.screen.availHeight / 2},
const result = await gotMessage;
assert_equals(result.status, 'PASS');
result.prevPosition.x, result.newPosition.x,
'x position for prerendering');
result.prevPosition.y, result.newPosition.y,
'y position for prerendering');
}, `a prerendering page cannot move its window by executing ${moveFunc}.`);