1 files changed, 103 insertions, 0 deletions
diff --git a/netwerk/test/unit/test_bug586908.js b/netwerk/test/unit/test_bug586908.js
new file mode 100644
index 0000000000..1d3ab20347
--- /dev/null
+++ b/netwerk/test/unit/test_bug586908.js
@@ -0,0 +1,103 @@
+"use strict";
+
+const { HttpServer } = ChromeUtils.importESModule(
+  "resource://testing-common/httpd.sys.mjs"
+);
+const { MockRegistrar } = ChromeUtils.importESModule(
+  "resource://testing-common/MockRegistrar.sys.mjs"
+);
+
+var httpserv = null;
+
+ChromeUtils.defineLazyGetter(this, "systemSettings", function () {
+  return {
+    QueryInterface: ChromeUtils.generateQI(["nsISystemProxySettings"]),
+
+    mainThreadOnly: true,
+    PACURI: "http://localhost:" + httpserv.identity.primaryPort + "/redirect",
+    getProxyForURI(aURI) {
+      throw Components.Exception("", Cr.NS_ERROR_NOT_IMPLEMENTED);
+    },
+  };
+});
+
+function checkValue(request, data, ctx) {
+  Assert.ok(called);
+  Assert.equal("ok", data);
+  httpserv.stop(do_test_finished);
+}
+
+function makeChan(url) {
+  return NetUtil.newChannel({
+    uri: url,
+    loadUsingSystemPrincipal: true,
+  }).QueryInterface(Ci.nsIHttpChannel);
+}
+
+function run_test() {
+  httpserv = new HttpServer();
+  httpserv.registerPathHandler("/redirect", redirect);
+  httpserv.registerPathHandler("/pac", pac);
+  httpserv.registerPathHandler("/target", target);
+  httpserv.start(-1);
+
+  MockRegistrar.register(
+    "@mozilla.org/system-proxy-settings;1",
+    systemSettings
+  );
+
+  // Ensure we're using system-properties
+  Services.prefs.setIntPref(
+    "network.proxy.type",
+    Ci.nsIProtocolProxyService.PROXYCONFIG_SYSTEM
+  );
+
+  // clear cache
+  evict_cache_entries();
+
+  var chan = makeChan(
+    "http://localhost:" + httpserv.identity.primaryPort + "/target"
+  );
+  chan.asyncOpen(new ChannelListener(checkValue, null));
+
+  do_test_pending();
+}
+
+var called = false,
+  failed = false;
+function redirect(metadata, response) {
+  // If called second time, just return the PAC but set failed-flag
+  if (called) {
+    failed = true;
+    pac(metadata, response);
+    return;
+  }
+
+  called = true;
+  response.setStatusLine(metadata.httpVersion, 302, "Found");
+  response.setHeader("Location", "/pac", false);
+  var body = "Moved\n";
+  response.bodyOutputStream.write(body, body.length);
+}
+
+function pac(metadata, response) {
+  var PAC = 'function FindProxyForURL(url, host) { return "DIRECT"; }';
+  response.setStatusLine(metadata.httpVersion, 200, "Ok");
+  response.setHeader(
+    "Content-Type",
+    "application/x-ns-proxy-autoconfig",
+    false
+  );
+  response.bodyOutputStream.write(PAC, PAC.length);
+}
+
+function target(metadata, response) {
+  var retval = "ok";
+  if (failed) {
+    retval = "failed";
+  }
+
+  response.setStatusLine(metadata.httpVersion, 200, "Ok");
+  response.setHeader("Content-Type", "text/plain", false);
+  response.bodyOutputStream.write(retval, retval.length);
+}