Remove the unused QUIC port selection logic.

net/quic/chromium/port_suggester_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 "net/quic/chromium/port_suggester.h"
-
-#include <set>
-
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace net {
-namespace test {
-
-class PortSuggesterTest : public ::testing::Test {
- protected:
-  PortSuggesterTest()
-      : entropy_(1345689),
-        min_ephemeral_port_(1025),
-        max_ephemeral_port_(65535) {}
-
-  uint64_t entropy_;
-  int min_ephemeral_port_;
-  int max_ephemeral_port_;
-};
-
-TEST_F(PortSuggesterTest, SmallRangeTest) {
-  // When the range is small (one wide), we always get that as our answer.
-  scoped_refptr<PortSuggester> port_suggester =
-      new PortSuggester(HostPortPair("www.example.com", 443), entropy_);
-  // Test this for a few different (small) ranges.
-  for (int port = 2000; port < 2010; ++port) {
-    // Use |port| for both |min| and |max| delimiting the suggestion range.
-    EXPECT_EQ(port, port_suggester->SuggestPort(port, port));
-    EXPECT_EQ(port, port_suggester->previous_suggestion());
-  }
-}
-
-TEST_F(PortSuggesterTest, SuggestAllPorts) {
-  // We should eventually fill out any range, but we'll just ensure that we
-  // fill out a small range of ports.
-  scoped_refptr<PortSuggester> port_suggester =
-      new PortSuggester(HostPortPair("www.example.com", 443), entropy_);
-  std::set<int> ports;
-  const uint32_t port_range = 20;
-  const int insertion_limit = 200;  // We should be done by then.
-  for (int i = 0; i < insertion_limit; ++i) {
-    ports.insert(port_suggester->SuggestPort(
-        min_ephemeral_port_, min_ephemeral_port_ + port_range - 1));
-    if (ports.size() == port_range) {
-      break;
-    }
-  }
-  EXPECT_EQ(port_range, ports.size());
-}
-
-TEST_F(PortSuggesterTest, AvoidDuplication) {
-  // When the range is large, duplicates are rare, but we'll ask for a few
-  // suggestions and make sure they are unique.
-  scoped_refptr<PortSuggester> port_suggester =
-      new PortSuggester(HostPortPair("www.example.com", 80), entropy_);
-  std::set<int> ports;
-  const size_t port_count = 200;
-  for (size_t i = 0; i < port_count; ++i) {
-    ports.insert(
-        port_suggester->SuggestPort(min_ephemeral_port_, max_ephemeral_port_));
-  }
-  EXPECT_EQ(port_suggester->call_count(), port_count);
-  EXPECT_EQ(port_count, ports.size());
-}
-
-TEST_F(PortSuggesterTest, ConsistentPorts) {
-  // For given hostname, port, and entropy, we should always get the same
-  // suggestions.
-  scoped_refptr<PortSuggester> port_suggester1 =
-      new PortSuggester(HostPortPair("www.example.com", 443), entropy_);
-  scoped_refptr<PortSuggester> port_suggester2 =
-      new PortSuggester(HostPortPair("www.example.com", 443), entropy_);
-  for (int test_count = 20; test_count > 0; --test_count) {
-    EXPECT_EQ(
-        port_suggester1->SuggestPort(min_ephemeral_port_, min_ephemeral_port_),
-        port_suggester2->SuggestPort(min_ephemeral_port_, min_ephemeral_port_));
-  }
-}
-
-TEST_F(PortSuggesterTest, DifferentHostPortEntropy) {
-  // When we have different hosts, port, or entropy, we probably won't collide.
-  scoped_refptr<PortSuggester> port_suggester[] = {
-      new PortSuggester(HostPortPair("www.example.com", 80), entropy_),
-      new PortSuggester(HostPortPair("www.example.ORG", 80), entropy_),
-      new PortSuggester(HostPortPair("www.example.com", 443), entropy_),
-      new PortSuggester(HostPortPair("www.example.com", 80), entropy_ + 123456),
-  };
-
-  std::set<int> ports;
-  const int port_count = 40;
-  size_t insertion_count = 0;
-  for (size_t j = 0; j < arraysize(port_suggester); ++j) {
-    for (int i = 0; i < port_count; ++i) {
-      ports.insert(port_suggester[j]->SuggestPort(min_ephemeral_port_,
-                                                  max_ephemeral_port_));
-      ++insertion_count;
-    }
-  }
-  EXPECT_EQ(insertion_count, ports.size());
-}
-
-}  // namespace test
-}  // namespace net