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26 lines
1,023 B
HTML
26 lines
1,023 B
HTML
<!DOCTYPE html>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<body>
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<script>
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promise_test(async t => {
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assert_implements("HTMLPortalElement" in self);
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let portal = document.createElement('portal');
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document.body.appendChild(portal);
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t.add_cleanup(() => { document.body.removeChild(portal); });
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await promise_rejects_dom(t, 'InvalidStateError', portal.activate());
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}, "A portal that has never been navigated cannot be activated");
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promise_test(async t => {
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assert_implements("HTMLPortalElement" in self);
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let portal = document.createElement('portal');
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document.body.appendChild(portal);
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t.add_cleanup(() => { document.body.removeChild(portal); });
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// We use a status of 204 (No Content) as that couldn't possibly mature.
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portal.src = "resources/204-no-content.asis";
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await promise_rejects_dom(t, 'InvalidStateError', portal.activate());
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}, "A portal that has not completed an initial navigation cannot be activated");
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</script>
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</body>
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