1 files changed, 43 insertions, 0 deletions
diff --git a/netwerk/test/unit/test_bug331825.js b/netwerk/test/unit/test_bug331825.js
new file mode 100644
index 0000000000..5a389c74a4
--- /dev/null
+++ b/netwerk/test/unit/test_bug331825.js
@@ -0,0 +1,43 @@
+"use strict";
+
+const { HttpServer } = ChromeUtils.importESModule(
+  "resource://testing-common/httpd.sys.mjs"
+);
+
+var server;
+const BUGID = "331825";
+
+function TestListener() {}
+TestListener.prototype.onStartRequest = function (request) {};
+TestListener.prototype.onStopRequest = function (request, status) {
+  var channel = request.QueryInterface(Ci.nsIHttpChannel);
+  Assert.equal(channel.responseStatus, 304);
+
+  server.stop(do_test_finished);
+};
+
+function run_test() {
+  // start server
+  server = new HttpServer();
+
+  server.registerPathHandler("/bug" + BUGID, bug331825);
+
+  server.start(-1);
+
+  // make request
+  var channel = NetUtil.newChannel({
+    uri: "http://localhost:" + server.identity.primaryPort + "/bug" + BUGID,
+    loadUsingSystemPrincipal: true,
+  });
+
+  channel.QueryInterface(Ci.nsIHttpChannel);
+  channel.setRequestHeader("If-None-Match", "foobar", false);
+  channel.asyncOpen(new TestListener());
+
+  do_test_pending();
+}
+
+// PATH HANDLER FOR /bug331825
+function bug331825(metadata, response) {
+  response.setStatusLine(metadata.httpVersion, 304, "Not Modified");
+}