1 files changed, 54 insertions, 0 deletions
diff --git a/netwerk/test/unit/test_http3_direct_proxy.js b/netwerk/test/unit/test_http3_direct_proxy.js
new file mode 100644
index 0000000000..74d2b11fc1
--- /dev/null
+++ b/netwerk/test/unit/test_http3_direct_proxy.js
@@ -0,0 +1,54 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+// Test if a HTTP3 connection can be established when a proxy info says
+// to use direct connection
+
+"use strict";
+
+registerCleanupFunction(async () => {
+  http3_clear_prefs();
+  Services.prefs.clearUserPref("network.proxy.type");
+  Services.prefs.clearUserPref("network.proxy.autoconfig_url");
+});
+
+add_task(async function setup() {
+  await http3_setup_tests("h3-29");
+});
+
+function makeChan(url) {
+  let chan = NetUtil.newChannel({
+    uri: url,
+    loadUsingSystemPrincipal: true,
+    contentPolicyType: Ci.nsIContentPolicy.TYPE_DOCUMENT,
+  }).QueryInterface(Ci.nsIHttpChannel);
+  chan.loadFlags = Ci.nsIChannel.LOAD_INITIAL_DOCUMENT_URI;
+  return chan;
+}
+
+function channelOpenPromise(chan, flags) {
+  return new Promise(resolve => {
+    function finish(req, buffer) {
+      resolve([req, buffer]);
+    }
+    chan.asyncOpen(new ChannelListener(finish, null, flags));
+  });
+}
+
+add_task(async function testHttp3WithDirectProxy() {
+  var pac =
+    "data:text/plain," +
+    "function FindProxyForURL(url, host) {" +
+    '  return "DIRECT; PROXY foopy:8080;"' +
+    "}";
+
+  // Configure PAC
+  Services.prefs.setIntPref("network.proxy.type", 2);
+  Services.prefs.setCharPref("network.proxy.autoconfig_url", pac);
+
+  let chan = makeChan(`https://foo.example.com`);
+  let [req] = await channelOpenPromise(chan, CL_ALLOW_UNKNOWN_CL);
+  req.QueryInterface(Ci.nsIHttpChannel);
+  Assert.equal(req.protocolVersion, "h3-29");
+});