Adding upstream version 115.7.0esr.upstream/115.7.0esr

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 16 insertions, 0 deletions

diff --git a/testing/web-platform/tests/html/browsers/windows/document-domain-nested-navigate.window.js b/testing/web-platform/tests/html/browsers/windows/document-domain-nested-navigate.window.js
new file mode 100644
index 0000000000..f51eed5ca9
--- /dev/null
+++ b/testing/web-platform/tests/html/browsers/windows/document-domain-nested-navigate.window.js
@@ -0,0 +1,16 @@
+async_test(t => {
+  // Setting document.domain makes this document cross-origin with that of the frame. However,
+  // about:blank will end up reusing the origin of this document, at which point the frame's
+  // document is no longer cross-origin.
+  const frame = document.body.appendChild(document.createElement('iframe'));
+  document.domain = document.domain;
+  frame.src = "/common/blank.html";
+  frame.onload = t.step_func(() => {
+    assert_throws_dom("SecurityError", () => window[0].document);
+    frame.src = "about:blank";
+    frame.onload = t.step_func_done(() => {
+      // Ensure we can access the child browsing context after navigation to non-initial about:blank
+      assert_equals(window[0].document, frame.contentDocument);
+    });
+  });
+}, "Navigated frame to about:blank and document.domain");