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diff --git a/chromium/net/quic/port_suggester_unittest.cc b/chromium/net/quic/port_suggester_unittest.cc
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+// 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/port_suggester.h"
+
+#include <set>
+
+#include "base/basictypes.h"
+#include "net/base/host_port_pair.h"
+#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 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 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