1 files changed, 42 insertions, 0 deletions
diff --git a/netwerk/test/unit/test_bug401564.js b/netwerk/test/unit/test_bug401564.js
new file mode 100644
index 0000000000..7cc52f3965
--- /dev/null
+++ b/netwerk/test/unit/test_bug401564.js
@@ -0,0 +1,42 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+"use strict";
+
+const { HttpServer } = ChromeUtils.importESModule(
+  "resource://testing-common/httpd.sys.mjs"
+);
+
+var httpserver = null;
+const noRedirectURI = "/content";
+const acceptType = "application/json";
+
+function redirectHandler(metadata, response) {
+  response.setStatusLine(metadata.httpVersion, 302, "Moved Temporarily");
+  response.setHeader("Location", noRedirectURI, false);
+}
+
+function contentHandler(metadata, response) {
+  Assert.equal(metadata.getHeader("Accept"), acceptType);
+  httpserver.stop(do_test_finished);
+}
+
+function dummyHandler(request, buffer) {}
+
+function run_test() {
+  httpserver = new HttpServer();
+  httpserver.registerPathHandler("/redirect", redirectHandler);
+  httpserver.registerPathHandler("/content", contentHandler);
+  httpserver.start(-1);
+
+  Services.prefs.setBoolPref("network.http.prompt-temp-redirect", false);
+
+  var chan = NetUtil.newChannel({
+    uri: "http://localhost:" + httpserver.identity.primaryPort + "/redirect",
+    loadUsingSystemPrincipal: true,
+  });
+  chan.QueryInterface(Ci.nsIHttpChannel);
+  chan.setRequestHeader("Accept", acceptType, false);
+
+  chan.asyncOpen(new ChannelListener(dummyHandler, null));
+
+  do_test_pending();
+}