Adding test for bug 474536. r=dcamp sr=bzbarsky

netwerk/test/unit/data/bug474536/foo.jar^headers^

@@ -0,0 +1,2 @@
+Content-type: application/java-archive
+Content-Disposition: attachment; filename=foo.jar

netwerk/test/unit/test_bug474536.js

@@ -0,0 +1,90 @@
+
+do_load_httpd_js();
+
+var httpserv = null;
+
+var _CSvc = null;
+function get_cache_service() 
+{
+  if (_CSvc)
+    return _CSvc;
+
+  return _CSvc = Cc["@mozilla.org/network/cache-service;1"].
+                 getService(Ci.nsICacheService);
+}
+
+function setup_server()
+{
+  httpserv = new nsHttpServer();
+  var dataDir = do_get_file("data/bug474536/");
+  httpserv.registerDirectory("/", dataDir);
+  httpserv.start(4444);
+}
+
+function makeJARChannel(url)
+{
+  var ios = Cc["@mozilla.org/network/io-service;1"].getService(Ci.nsIIOService);
+  return ios.newChannel(url, null, null).QueryInterface(Ci.nsIJARChannel);
+}
+
+var testNumber = 1;
+
+var listener = {
+  // In all test cases, the Content-disposition header returned during the HTTP
+  // request should be visible in the Channel (HTTP, JAR, or nested JAR)
+  onStartRequest: function test_onStartR(request, ctx) {
+    try {
+      do_check_true(request instanceof Ci.nsIPropertyBag);
+      try {
+        dispo = request.getProperty("content-disposition"); 
+      } catch (e) {
+        do_throw("content-disposition not present!");
+      }
+      do_check_eq(request.getProperty("content-disposition"),
+                                      "attachment; filename=foo.jar");
+    } catch (e) {
+      do_throw("unexpected exception: " + e);
+    }
+    throw Components.results.NS_ERROR_ABORT;
+  },
+  onDataAvailable: function(request, context, stream, offset, count) {
+    throw Components.results.NS_ERROR_UNEXPECTED; 
+  },
+  onStopRequest: function test_onStopR(request, ctx, status) {
+    switch (testNumber) {
+      case 1:
+        run_test2_JAR_JAR_HTTP();
+        break;
+      case 2:
+        httpserv.stop();
+        break;
+      default:
+        do_throw("Inconceivable!");
+    }
+    testNumber++;
+    do_test_finished();
+  }
+};
+
+function run_test()
+{
+  setup_server(); 
+
+  test1_JAR_HTTP();
+}
+
+function test1_JAR_HTTP() {
+  var jarChannel1 = 
+    makeJARChannel("jar:http://localhost:4444/foo.jar!/foo.html");
+  jarChannel1.asyncOpen(listener, null);
+  do_test_pending();
+}
+
+function run_test2_JAR_JAR_HTTP()
+{
+  var jarChannel1 = 
+    makeJARChannel("jar:jar:http://localhost:4444/foo.jar!/bar.jar!/bar.html");
+  jarChannel1.asyncOpen(listener, null);
+  do_test_pending();
+}
+