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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /html/browsers/the-window-object/closed-attribute.window.html - WPT Dashboard Interop Dashboard
// META: script=/common/get-host-info.sub.js
function closedTest(newWindow, closeNewWindowsBrowsingContext) {
assert_equals(newWindow.closed, false);
closeNewWindowsBrowsingContext();
assert_equals(newWindow.closed, true);
}
test(() => {
const frame = document.body.appendChild(document.createElement("iframe"));
closedTest(frame.contentWindow, () => frame.remove());
}, "closed and same-origin nested browsing context");
test(() => {
const openee = window.open();
closedTest(openee, () => openee.close());
// close() is a no-op once "is closing" is set
openee.close();
assert_equals(openee.closed, true);
}, "closed/close() and same-origin auxiliary browsing context");
const support = new URL("support/closed.html", location.href).pathname;
[
{
type: "cross-origin",
url: `${get_host_info().HTTP_REMOTE_ORIGIN}${support}`
},
{
type: "cross-site",
url: `${get_host_info().HTTP_NOTSAMESITE_ORIGIN}${support}`
}
].forEach(val => {
async_test(t => {
const frame = document.createElement("iframe"),
ident = `${val.type}-nested-bc`;
frame.src = `${val.url}?window=parent&ident=${ident}`;
const listener = t.step_func(e => {
if (e.data === ident) {
closedTest(frame.contentWindow, () => frame.remove());
self.removeEventListener("message", listener);
t.done();
}
});
// Use a message event rather than onload for consistency with auxiliary browsing contexts.
self.addEventListener("message", listener);
document.body.append(frame);
}, `closed and ${val.type} nested browsing context`);
async_test(t => {
const ident = `${val.type}-auxiliary-bc`,
support = new URL("support/closed.html", location.href).pathname,
openee = window.open(`${val.url}?window=opener&ident=${ident}`),
listener = t.step_func(e => {
if (e.data === ident) {
closedTest(openee, () => openee.close());
// close() is a no-op once "is closing" is set
openee.close();
assert_equals(openee.closed, true);
self.removeEventListener("message", listener);
t.done();
}
});
// As there's no cross-origin onload, use a message event.
self.addEventListener("message", listener);
}, `closed/close() and ${val.type} auxiliary browsing context`);
});