48 lines
1.2 KiB
HTML
48 lines
1.2 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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</head>
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<body>
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<script>
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function waitForMessage(data) {
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return new Promise(
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resolve => {
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window.addEventListener('message', e => {
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if (e.data == data) {
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resolve();
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}
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}, {once: true});
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});
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}
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promise_test(async t => {
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const w = window.open('resources/window-postmessage-open-close.html');
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await waitForMessage('opened');
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const nav = w.navigator;
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let result = nav.getBattery();
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assert_equals(typeof result, 'object');
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assert_equals(result.constructor, w.Promise);
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w.close();
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await waitForMessage('closed');
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result = nav.getBattery();
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assert_equals(result, undefined);
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}, 'navigator.getBattery() does not operate on a closed window');
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promise_test(async t => {
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const iframe = document.createElement('iframe');
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iframe.srcdoc = '<html></html>';
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document.body.appendChild(iframe);
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const frameNav = iframe.contentWindow.navigator;
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document.body.removeChild(iframe);
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const battery = await frameNav.getBattery();
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assert_equals(battery, undefined);
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}, 'navigator.getBattery() on a detached frame does not leak or crash');
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</script>
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</body>
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</html>
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