1 files changed, 43 insertions, 0 deletions
diff --git a/testing/web-platform/tests/xhr/preserve-ua-header-on-redirect.htm b/testing/web-platform/tests/xhr/preserve-ua-header-on-redirect.htm
new file mode 100644
index 0000000000..fad883c1ef
--- /dev/null
+++ b/testing/web-platform/tests/xhr/preserve-ua-header-on-redirect.htm
@@ -0,0 +1,43 @@
+<!doctype html>
+<html>
+  <head>
+    <title>XMLHttpRequest: User-Agent header is preserved on redirect</title>
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+  </head>
+  <body>
+    <div id="log"></div>
+    <script>
+      var test = async_test()
+      test.step(function() {
+        var client = new XMLHttpRequest()
+          client.onreadystatechange = function() {
+            test.step(function() {
+              if(client.readyState == 4) {
+                assert_equals(client.responseText, 'User-Agent: '+navigator.userAgent+'\n')
+                test.done()
+              }
+            })
+          }
+        client.open("POST", "resources/redirect.py?location="+encodeURIComponent("inspect-headers.py?filter_name=user-agent"))
+        client.send(null)
+      })
+
+      var test2 = async_test()
+      test2.step(function() {
+        var client = new XMLHttpRequest()
+          client.onreadystatechange = function() {
+            test2.step(function() {
+              if(client.readyState == 4) {
+                assert_equals(client.responseText, 'User-Agent: TEST\n')
+                test2.done()
+              }
+            })
+          }
+        client.open("POST", "resources/redirect.py?location="+encodeURIComponent("inspect-headers.py?filter_name=user-agent"))
+        client.setRequestHeader("User-Agent", "TEST")
+        client.send(null)
+      })
+    </script>
+  </body>
+</html>