1 files changed, 16 insertions, 0 deletions
diff --git a/testing/web-platform/tests/xhr/resources/access-control-preflight-request-header-lowercase.py b/testing/web-platform/tests/xhr/resources/access-control-preflight-request-header-lowercase.py
new file mode 100644
index 0000000000..e77fc9a7d2
--- /dev/null
+++ b/testing/web-platform/tests/xhr/resources/access-control-preflight-request-header-lowercase.py
@@ -0,0 +1,16 @@
+def main(request, response):
+    response.headers.set(b"Cache-Control", b"no-store")
+    response.headers.set(b"Access-Control-Allow-Origin", b"*")
+    response.headers.set(b"Access-Control-Max-Age", 0)
+
+    if request.method == u"OPTIONS":
+        if b"x-test" in [header.strip(b" ") for header in
+                         request.headers.get(b"Access-Control-Request-Headers").split(b",")]:
+            response.headers.set(b"Access-Control-Allow-Headers", b"X-Test")
+        else:
+            response.status = 400
+    elif request.method == u"GET":
+        if request.headers.get(b"X-Test"):
+            response.content = b"PASS"
+        else:
+            response.status = 400