Use HTTP status return code to make SDCH handling more robust...

net/base/gzip_filter_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 <fstream>
 #include <iostream>
 
 #include "base/file_util.h"
 #include "base/path_service.h"
 #include "base/scoped_ptr.h"
@@ skipping 261 matching lines @@
 // This tests that sdch will degrade to pass through, and is what allows robust
 // handling when the response *might* be sdch,gzip by simply adding in the
 // tentative sdch decode.
 // All test code is otherwise modeled after the "basic" scenario above.
 TEST_F(GZipUnitTest, DecodeGZipWithMistakenSdch) {
   // Decode the compressed data with filter
   std::vector<Filter::FilterType> filter_types;
   filter_types.push_back(Filter::FILTER_TYPE_SDCH);
   filter_types.push_back(Filter::FILTER_TYPE_GZIP);
   MockFilterContext filter_context(kDefaultBufferSize);
+  // We need a good response code to be sure that a proxy isn't injecting an
+  // error page (As is done by BlueCoat proxies and described in bug 8916).
+  filter_context.SetResponseCode(200);
   scoped_ptr<Filter> filter(Filter::Factory(filter_types, filter_context));
   ASSERT_TRUE(filter.get());
   memcpy(filter->stream_buffer()->data(), gzip_encode_buffer_,
          gzip_encode_len_);
   filter->FlushStreamBuffer(gzip_encode_len_);
 
   char gzip_decode_buffer[kDefaultBufferSize];
   int gzip_decode_size = kDefaultBufferSize;
   filter->ReadData(gzip_decode_buffer, &gzip_decode_size);
 
@@ skipping 125 matching lines @@
   int corrupt_decode_size = kDefaultBufferSize;
 
   int code = DecodeAllWithFilter(filter.get(), corrupt_data, corrupt_data_len,
                                  corrupt_decode_buffer, &corrupt_decode_size);
 
   // Expect failures
   EXPECT_TRUE(code == Filter::FILTER_ERROR);
 }
 
 }  // namespace