1 files changed, 19 insertions, 0 deletions
diff --git a/testing/web-platform/tests/fetch/security/support/embedded-credential-window.sub.html b/testing/web-platform/tests/fetch/security/support/embedded-credential-window.sub.html
new file mode 100644
index 0000000000..20d307e918
--- /dev/null
+++ b/testing/web-platform/tests/fetch/security/support/embedded-credential-window.sub.html
@@ -0,0 +1,19 @@
+<!DOCTYPE html>
+<script>
+  window.addEventListener("message", e => {
+    var i = document.createElement('img');
+    i.onload = () => { e.ports[0].postMessage("Load"); }
+    i.onerror = () => { e.ports[0].postMessage("Error"); }
+    if (e.data == "relative") {
+      i.src = "/images/green.png";
+    } else if (e.data == "same-origin-matching") {
+      i.src = "http://user:pass@{{domains[www]}}:{{ports[http][0]}}/images/green.png";
+    } else if (e.data == "cross-origin-matching") {
+      i.src = "http://user:pass@{{domains[élève]}}:{{ports[http][0]}}/images/red.png";
+    } else {
+      i.src = "http://user:pass@{{domains[www]}}:{{ports[http][0]}}/images/red.png";
+    }
+  });
+
+  (window.opener || window.parent).postMessage("Hi!", "*");
+</script>