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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /html/browsers/browsing-the-web/navigating-across-documents/grandparent_session_aboutsrcdoc.sub.window.html - WPT Dashboard Interop Dashboard
// META: script=./resources/testharness.js
// META: script=./resources/testharnessreport.js
function run_test(cross_origin, sandbox, name) {
promise_test(async test => {
let child_frame = document.createElement('iframe');
let load_count = 0;
const test_finished = new Promise(resolve => {
window.onmessage = (e) => {
load_count++;
if (load_count == 1) {
// Initial load.
assert_equals(e.data, "about:srcdoc");
// Navigate child to a different page.
child_frame.src = "./resources/child2.html";
} else if (load_count == 2) {
// Make sure we navigated away from the frame with the srcdoc, then
// go back.
assert_equals(e.data, child_frame.src);
history.back();
} else if (load_count == 3) {
// Verify the session restore was able to load the srcdoc.
assert_equals(e.data, "about:srcdoc");
resolve();
}
};
});
let cmd_str = "load grandchild";
if (sandbox) {
cmd_str += " sandbox";
}
// It would be nice not to have to hardcode the entire relative path for the
// child in the cross-origin case.
let filename = "child_with_static_srcdoc.html";
if (sandbox) {
let filename = "child_with_static_sandbox_srcdoc.html"
}
const child_relative_path = './resources/' + filename;
if (cross_origin) {
const child_url_same_site = new URL(child_relative_path, location.href);
child_frame.src = new_origin.origin + child_url_same_site.pathname;
} else {
child_frame.src = child_relative_path;
}
document.body.appendChild(child_frame);
await test_finished;
// Cleanup.
document.body.removeChild(child_frame);
}, name);
}
onload = () => {
// Four tests to make sure the about:srcdoc loads when being restored from
// session history. The srcdoc itself can be either sandboxed or not, and
// the caller of history.back() can be cross-origin or same-origin to the
// oarent of the srcdoc.
run_test(cross_origin = true, sandbox = false,
name = "Grandparent with cross-origin srdoc grandchild session");
run_test(cross_origin = true, sandbox = true,
name = "Grandparent with cross-origin sandboxed srdoc grandchild session");
run_test(cross_origin = false, sandbox = false,
name = "Grandparent with same-origin srdoc grandchild session");
run_test(cross_origin = false, sandbox = true,
name = "Grandparent with same-origin sandboxed srdoc grandchild session");
}