1 files changed, 31 insertions, 0 deletions
diff --git a/dom/security/test/general/file_same_site_cookies_bug1748693.sjs b/dom/security/test/general/file_same_site_cookies_bug1748693.sjs
new file mode 100644
index 0000000000..6890bafa17
--- /dev/null
+++ b/dom/security/test/general/file_same_site_cookies_bug1748693.sjs
@@ -0,0 +1,31 @@
+const MESSAGE_PAGE = function (msg) {
+  return `
+<!DOCTYPE html>
+<html>
+  <body>
+    <p id="msg">${msg}</p>
+  <body>
+</html>
+`;
+};
+
+function handleRequest(request, response) {
+  response.setHeader("Cache-Control", "no-store");
+  response.setHeader("Content-Type", "text/html");
+
+  if (request.queryString.includes("setcookies")) {
+    response.setHeader(
+      "Set-Cookie",
+      "auth_secure=foo; SameSite=None; HttpOnly; Secure",
+      true
+    );
+    response.setHeader("Set-Cookie", "auth=foo; HttpOnly;", true);
+    response.write(MESSAGE_PAGE(request.queryString));
+    return;
+  }
+
+  const cookies = request.hasHeader("Cookie")
+    ? request.getHeader("Cookie")
+    : "";
+  response.write(MESSAGE_PAGE(cookies));
+}