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// Basic test that a popup about:blank window inherits its base url from
// the initiator (which in this case is also the opener).
const runTest = (description) => {
// In this test the opener and the initiator will be the same.
const initiator_base_uri = document.baseURI;
test(() => {
const popup = window.open();
// Window.open synchronously loads the initial empty document.
assert_equals("about:blank", popup.location.href);
assert_equals(initiator_base_uri, popup.document.baseURI);
// Verify the popup's base url is properly snapshotted, and doesn't change
// if the parent's base url changes.
const base_element = document.createElement('base');
base_element.href = "https://example.com";
document.head.appendChild(base_element);
assert_equals(initiator_base_uri, popup.document.baseURI);
}, description);
};
onload = () => {
runTest("window.open() gets base url from initiator.");
};
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