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Test Info: Warnings

<!doctype html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<iframe id="iframe" src="/common/blank.html"></iframe>
<script>
setup({ explicit_done: true });
window.onload = () => {
test(() => {
assert_throws_dom("DataCloneError", iframe.contentWindow.DOMException, () => {
iframe.contentWindow.navigation.updateCurrentEntry({ state: new WritableStream() });
});
assert_equals(navigation.currentEntry.getState(), undefined);
}, "updateCurrentEntry() must throw if state is unserializable (WritableStream)");
test(() => {
// See https://github.com/whatwg/html/issues/5380 for why not `new SharedArrayBuffer()`
const buffer = new WebAssembly.Memory({ shared:true, initial:1, maximum:1 }).buffer;
assert_throws_dom("DataCloneError", iframe.contentWindow.DOMException, () => {
iframe.contentWindow.navigation.updateCurrentEntry({ state: buffer });
});
assert_equals(navigation.currentEntry.getState(), undefined);
}, "updateCurrentEntry() must throw if state is unserializable (SharedArrayBuffer)");
done();
};
</script>