Add some extra unit-tests to make sure we cover all permutations of {basic_au...

net/http/http_auth_handler_digest_unittest.cc

 // Copyright (c) 2006-2008 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 "testing/gtest/include/gtest/gtest.h"
 
 #include "base/basictypes.h"
 #include "net/http/http_auth_handler_digest.h"
 
 namespace net {
@@ skipping 139 matching lines @@
       1, // nc
 
       // Authorization
       "Digest username=\"foo bar\", realm=\"DRealm1\", "
       "nonce=\"Ure30oRXBAA=7eca98bbf521ac6642820b11b86bd2d9ed7edc70\", "
       "uri=\"/test/drealm1/\", algorithm=MD5, "
       "response=\"93c9c6d5930af3b0eb26c745e02b04a0\", "
       "qop=auth, nc=00000001, cnonce=\"082c875dcb2ca740\""
     },
 
+    { // MD5 with no username.
+      "GET",
+      "/test/drealm1/",
+
+      // Challenge
+      "Digest realm=\"DRealm1\", "
+      "nonce=\"7thGplhaBAA=41fb92453c49799cf353c8cd0aabee02d61a98a8\", "
+      "algorithm=MD5, qop=\"auth\"",
+
+      "", "pass", // Username/password
+      "6509bc74daed8263", // cnonce
+      1, // nc
+
+      // Authorization
+      "Digest username=\"\", realm=\"DRealm1\", "
+      "nonce=\"7thGplhaBAA=41fb92453c49799cf353c8cd0aabee02d61a98a8\", "
+      "uri=\"/test/drealm1/\", algorithm=MD5, "
+      "response=\"bc597110f41a62d07f8b70b6977fcb61\", "
+      "qop=auth, nc=00000001, cnonce=\"6509bc74daed8263\""
+    },
+
+    { // MD5 with no username and no password.
+      "GET",
+      "/test/drealm1/",
+
+      // Challenge
+      "Digest realm=\"DRealm1\", "
+      "nonce=\"s3MzvFhaBAA=4c520af5acd9d8d7ae26947529d18c8eae1e98f4\", "
+      "algorithm=MD5, qop=\"auth\"",
+
+      "", "", // Username/password
+      "1522e61005789929", // cnonce
+      1, // nc
+
+      // Authorization
+      "Digest username=\"\", realm=\"DRealm1\", "
+      "nonce=\"s3MzvFhaBAA=4c520af5acd9d8d7ae26947529d18c8eae1e98f4\", "
+      "uri=\"/test/drealm1/\", algorithm=MD5, "
+      "response=\"22cfa2b30cb500a9591c6d55ec5590a8\", "
+      "qop=auth, nc=00000001, cnonce=\"1522e61005789929\""
+    },
+
     { // No algorithm, and no qop.
       "GET",
       "/",
 
       // Challenge
       "Digest realm=\"Oblivion\", nonce=\"nonce-value\"",
 
       "FooBar", "pass", // Username/password
       "", // cnonce
       1, // nc
@@ skipping 31 matching lines @@
 
     std::string creds = digest.AssembleCredentials(tests[i].req_method,
         tests[i].req_path, tests[i].username, tests[i].password,
         tests[i].cnonce, tests[i].nonce_count);
     
     EXPECT_STREQ(tests[i].expected_creds, creds.c_str());
   }
 }
 
 } // namespace net