Let QUIC streams write 16k before ceding. Behind FLAG_quic_batch_writes.

net/spdy/write_blocked_list_test.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 "net/spdy/write_blocked_list.h"
 
 #include <deque>
 
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 60 matching lines @@
   list.PushBack(1, 4);
   list.PushBack(3, 4);
   EXPECT_EQ(3u, list.NumBlockedStreams());
 
   EXPECT_EQ(1, list.PopFront(4));
   EXPECT_EQ(2, list.PopFront(4));
   EXPECT_EQ(1u, list.NumBlockedStreams());
   EXPECT_EQ(3, list.PopFront(4));
 }
 
+TEST_F(WriteBlockedListTest, PushFront) {
+  list.PushFront(1, 4);
+  EXPECT_EQ(1u, list.NumBlockedStreams());
+  list.PushFront(2, 4);
+  list.PushFront(1, 4);
+  list.PushFront(3, 4);
+  EXPECT_EQ(3u, list.NumBlockedStreams());
+
+  EXPECT_EQ(3, list.PopFront(4));
+  EXPECT_EQ(2, list.PopFront(4));
+  EXPECT_EQ(1u, list.NumBlockedStreams());
+  EXPECT_EQ(1, list.PopFront(4));
+}
+
+TEST_F(WriteBlockedListTest, PushFrontAndBack) {
+  list.PushFront(1, 4);
+  list.PushBack(5, 4);
+  list.PushFront(2, 4);
+  list.PushBack(3, 4);
+  list.PushFront(4, 4);
+
+  EXPECT_EQ(4, list.PopFront(4));
+  EXPECT_EQ(2, list.PopFront(4));
+  EXPECT_EQ(1, list.PopFront(4));
+  EXPECT_EQ(5, list.PopFront(4));
+  EXPECT_EQ(3, list.PopFront(4));
+}
+
 TEST_F(WriteBlockedListTest, UpdateStreamPriorityInWriteBlockedList) {
   list.PushBack(1, 1);
   list.PushBack(2, 2);
   list.PushBack(3, 3);
   list.PushBack(1, 3);  // Re-prioritizes stream 1 at priority 3.
   list.PushBack(1, 3);  // No effect.
   EXPECT_EQ(3u, list.NumBlockedStreams());
   EXPECT_EQ(0u, WriteBlockedListPeer::GetWriteBlockedList(1, &list)->size());
   EXPECT_EQ(1u, WriteBlockedListPeer::GetWriteBlockedList(2, &list)->size());
   EXPECT_EQ(2u, WriteBlockedListPeer::GetWriteBlockedList(3, &list)->size());
@@ skipping 18 matching lines @@
   EXPECT_EQ(3, list.PopFront(1));
   EXPECT_EQ(2, list.PopFront(2));
   EXPECT_EQ(1, list.PopFront(2));
   EXPECT_EQ(0u, list.NumBlockedStreams());
 }
 
 }  // namespace
 
 }  // namespace test
 }  // namespace net