Store, use and send etags.

media/blink/multibuffer_data_source_unittest.cc

 // Copyright 2013 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 <stddef.h>
 #include <stdint.h>
 
 #include "base/bind.h"
 #include "base/macros.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 448 matching lines @@
     CHECK(loader());
     return loader()->preload_high();
   }
   int64_t preload_low() {
     CHECK(loader());
     return loader()->preload_low();
   }
   int data_source_bitrate() { return data_source_->bitrate_; }
   double data_source_playback_rate() { return data_source_->playback_rate_; }
   bool is_local_source() { return data_source_->assume_fully_buffered(); }
+  scoped_refptr<UrlData> url_data() { return data_source_->url_data_; }
   void set_might_be_reused_from_cache_in_future(bool value) {
-    data_source_->url_data_->set_cacheable(value);
+    url_data()->set_cacheable(value);
   }
 
  protected:
   MockWebFrameClient client_;
   WebView* view_;
   WebLocalFrame* frame_;
   MultibufferDataSource::Preload preload_;
   base::MessageLoop message_loop_;
   linked_ptr<TestUrlIndex> url_index_;
 
@@ skipping 990 matching lines @@
 
   FinishLoading();
 
   // Verify that if reader_ is null, DidPassCORSAccessCheck still returns true.
   data_source_->Stop();
   base::RunLoop().RunUntilIdle();
 
   EXPECT_TRUE(data_source_->DidPassCORSAccessCheck());
 }
 
+TEST_F(MultibufferDataSourceTest, EtagTest) {
+  Initialize(kHttpUrl, true);
+
+  EXPECT_CALL(host_, SetTotalBytes(response_generator_->content_length()));
+  WebURLResponse response = response_generator_->Generate206(0);
+  const std::string etag("\"arglebargle glop-glyf?\"");
+  response.setHTTPHeaderField(WebString::fromUTF8("Etag"),
+                              WebString::fromUTF8(etag));
+  Respond(response);
+  EXPECT_CALL(host_, AddBufferedByteRange(0, kDataSize));
+  ReceiveData(kDataSize);
+
+  EXPECT_EQ(url_data()->etag(), etag);
+}
 }  // namespace media