Fix multi-round authentication....

net/http/http_auth_handler_basic_unittest.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "net/base/net_errors.h"
@@ skipping 48 matching lines @@
       OK,
       "",
     },
 
     // Realm is empty string.
     {
       "Basic realm=\"\"",
       OK,
       "",
     },
+
+    // Realm is valid.
+    {
+      "Basic realm=\"test_realm\"",
+      OK,
+      "test_realm",
+    },
+
+    // The parser ignores tokens which aren't known.
+    {
+      "Basic realm=\"test_realm\",unknown_token=foobar",
+      OK,
+      "test_realm",
+    },
+
+    // The parser skips over tokens which aren't known.
+    {
+      "Basic unknown_token=foobar,realm=\"test_realm\"",
+      OK,
+      "test_realm",
+    },
+
+#if 0
+    // TODO(cbentzel): It's unclear what the parser should do in these cases.
+    //                 It seems like this should either be treated as invalid,
+    //                 or the spaces should be used as a separator.
+    {
+      "Basic realm=\"test_realm\" unknown_token=foobar",
+      OK,
+      "test_realm",
+    },
+
+    // The parser skips over tokens which aren't known.
+    {
+      "Basic unknown_token=foobar realm=\"test_realm\"",
+      OK,
+      "test_realm",
+    },
+#endif
+
+    // The parser fails when the first token is not "Basic".
+    {
+      "Negotiate",
+      ERR_INVALID_RESPONSE,
+      ""
+    },
   };
   HttpAuthHandlerBasic::Factory factory;
   GURL origin("http://www.example.com");
   for (size_t i = 0; i < ARRAYSIZE_UNSAFE(tests); ++i) {
     std::string challenge = tests[i].challenge;
     scoped_ptr<HttpAuthHandler> basic;
     int rv = factory.CreateAuthHandlerFromString(
         challenge, HttpAuth::AUTH_SERVER, origin, BoundNetLog(), &basic);
     EXPECT_EQ(tests[i].expected_rv, rv);
     if (rv == OK)
       EXPECT_EQ(tests[i].expected_realm, basic->realm());
   }
 }
 
 }  // namespace net