Deciding best connection to schedule requests on based on cwnd and idle time

net/http/http_network_transaction_unittest.cc

Index: net/http/http_network_transaction_unittest.cc
===================================================================
--- net/http/http_network_transaction_unittest.cc	(revision 90217)
+++ net/http/http_network_transaction_unittest.cc	(working copy)
@@ -12,6 +12,7 @@
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/metrics/histogram.h"
 #include "base/utf_string_conversions.h"
 #include "net/base/auth.h"
 #include "net/base/capturing_net_log.h"
@@ -333,6 +334,34 @@
 static const char kAlternateProtocolHttpHeader[] =
     "Alternate-Protocol: 443:npn-spdy/2\r\n\r\n";
 
+TEST_F(HttpNetworkTransactionTest, LogNumRttVsBytesMetrics_WarmestSocket) {
+  MockRead data_reads[1000];
+  data_reads[0] = MockRead("HTTP/1.0 200 OK\r\n\r\n");
+  for (int i = 1; i < 999; i++) {
+    data_reads[i] = MockRead("Gagan is a good boy!");
+  }
+  data_reads[999] = MockRead(false, OK);
+
+  net::SetSocketReusePolicy(0);
+  SimpleGetHelperResult out = SimpleGetHelper(data_reads,
+                                              arraysize(data_reads));
+
+  base::Histogram* histogram = NULL;
+  base::StatisticsRecorder::FindHistogram(
+      "Net.Num_RTT_vs_KB_warmest_socket_15KB", &histogram);
+  CHECK(histogram);
+
+  base::Histogram::SampleSet sample_set;
+  histogram->SnapshotSample(&sample_set);
+  EXPECT_EQ(1, sample_set.TotalCount());
+
+  EXPECT_EQ(OK, out.rv);
+  EXPECT_EQ("HTTP/1.0 200 OK", out.status_line);
+}
+
+// TODO(gagansingh): Add test for LogNumRttVsBytesMetrics_LastAccessSocket once
+// it is possible to clear histograms from previous tests.
+
 TEST_F(HttpNetworkTransactionTest, Basic) {
   SessionDependencies session_deps;
   scoped_ptr<HttpTransaction> trans(