HPACK: Implement delta encoding.

net/spdy/spdy_framer_test.cc

 // Copyright (c) 2012 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 <algorithm>
 #include <iostream>
 #include <limits>
 
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 889 matching lines @@
   string value("value1\0value2", 13);
   if (IsSpdy2()) {
     frame.WriteUInt16(1);  // Number of headers.
     frame.WriteString("name");
     frame.WriteString(value);
   } else if (spdy_version_ > SPDY3) {
     // TODO(jgraettinger): If this pattern appears again, move to test class.
     std::map<string, string> header_set;
     header_set["name"] = value;
     string buffer;
-    HpackEncoder encoder;
-    encoder.EncodeHeaderSet(header_set, &buffer);
+    HpackEncoder encoder(ObtainHpackHuffmanTable());
+    encoder.EncodeHeaderSetWithoutCompression(header_set, &buffer);
     frame.WriteBytes(&buffer[0], buffer.size());
   } else {
     frame.WriteUInt32(1);  // Number of headers.
     frame.WriteStringPiece32("name");
     frame.WriteStringPiece32(value);
   }
   // write the length
   frame.RewriteLength(framer);
 
   framer.set_enable_compression(false);
@@ skipping 2066 matching lines @@
 
   scoped_ptr<SpdySerializedFrame> frame_serialized(
       framer.SerializeBlocked(SpdyBlockedIR(kStreamId)));
   SpdyBlockedIR blocked_ir(kStreamId);
   scoped_ptr<SpdySerializedFrame> frame_created(
                                     framer.SerializeFrame(blocked_ir));
 
   CompareFrames(kDescription, *frame_serialized, *frame_created);
 }
 
-TEST_P(SpdyFramerTest, CreatePushPromise) {
+TEST_P(SpdyFramerTest, CreatePushPromiseUncompressed) {
   if (spdy_version_ < SPDY4) {
     return;
   }
 
   SpdyFramer framer(spdy_version_);
-
+  framer.set_enable_compression(false);
   const char kDescription[] = "PUSH_PROMISE frame";
 
   const unsigned char kFrameData[] = {
     0x00, 0x16, 0x05, 0x04,  // PUSH_PROMISE: END_HEADERS
     0x00, 0x00, 0x00, 0x2a,  // Stream 42
     0x00, 0x00, 0x00, 0x39,  // Promised stream 57
     0x40, 0x03, 0x62, 0x61,  // @.ba
     0x72, 0x03, 0x66, 0x6f,  // r.fo
     0x6f, 0x40, 0x03, 0x66,  // o@.f
     0x6f, 0x6f, 0x03, 0x62,  // oo.b
@@ skipping 716 matching lines @@
   multiple_frame_data.append(string(control_frame->data(),
                                     control_frame->size()));
   visitor.SimulateInFramer(
       reinterpret_cast<unsigned const char*>(multiple_frame_data.data()),
       multiple_frame_data.length());
   EXPECT_EQ(0, visitor.error_count_);
   EXPECT_EQ(1u, visitor.last_window_update_stream_);
   EXPECT_EQ(2u, visitor.last_window_update_delta_);
 }
 
-TEST_P(SpdyFramerTest, CreateContinuation) {
+TEST_P(SpdyFramerTest, CreateContinuationUncompressed) {
   if (spdy_version_ < SPDY4) {
     return;
   }
 
   SpdyFramer framer(spdy_version_);
-
+  framer.set_enable_compression(false);
   const char kDescription[] = "CONTINUATION frame";
 
   const unsigned char kFrameData[] = {
      0x00, 0x12, 0x09, 0x00,  // CONTINUATION
      0x00, 0x00, 0x00, 0x2a,  // Stream 42
      0x40, 0x03, 0x62, 0x61,  // @.ba
      0x72, 0x03, 0x66, 0x6f,  // r.fo
      0x6f, 0x40, 0x03, 0x66,  // o@.f
      0x6f, 0x6f, 0x03, 0x62,  // oo.b
      0x61, 0x72,              // ar
@@ skipping 1272 matching lines @@
   SpdyBlockedIR blocked_ir(0);
   scoped_ptr<SpdySerializedFrame> frame(framer.SerializeFrame(blocked_ir));
   framer.ProcessInput(frame->data(), framer.GetBlockedSize());
 
   EXPECT_EQ(SpdyFramer::SPDY_RESET, framer.state());
   EXPECT_EQ(SpdyFramer::SPDY_NO_ERROR, framer.error_code())
       << SpdyFramer::ErrorCodeToString(framer.error_code());
 }
 
 }  // namespace net