Add a unit test for the Net.QuicSession.PublicResetAddressMismatch
histogram.

[email protected],[email protected]
BUG=none
TEST=none

Review URL: https://codereview.chromium.org/171413005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@252300 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/net/quic/quic_address_mismatch_test.cc b/net/quic/quic_address_mismatch_test.cc
new file mode 100644
index 0000000..7c3dca4
--- /dev/null
+++ b/net/quic/quic_address_mismatch_test.cc
@@ -0,0 +1,72 @@
+// Copyright 2014 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/quic_address_mismatch.h"
+
+#include "net/base/ip_endpoint.h"
+#include "net/base/net_util.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace net {
+namespace test {
+
+// Test all cases of the GetAddressMismatch function.
+TEST(QuicAddressMismatchTest, GetAddressMismatch) {
+  IPAddressNumber ip4_1;
+  IPAddressNumber ip4_2;
+  IPAddressNumber ip6_1;
+  IPAddressNumber ip6_2;
+  ASSERT_TRUE(ParseIPLiteralToNumber("1.2.3.4", &ip4_1));
+  ASSERT_TRUE(ParseIPLiteralToNumber("5.6.7.8", &ip4_2));
+  ASSERT_TRUE(ParseIPLiteralToNumber("1234::1", &ip6_1));
+  ASSERT_TRUE(ParseIPLiteralToNumber("1234::2", &ip6_2));
+  ASSERT_NE(ip4_1, ip4_2);
+  ASSERT_NE(ip6_1, ip6_2);
+
+  EXPECT_EQ(-1, GetAddressMismatch(IPEndPoint(), IPEndPoint()));
+  EXPECT_EQ(-1, GetAddressMismatch(IPEndPoint(), IPEndPoint(ip4_1, 443)));
+  EXPECT_EQ(-1, GetAddressMismatch(IPEndPoint(ip4_1, 443), IPEndPoint()));
+
+  EXPECT_EQ(QUIC_ADDRESS_AND_PORT_MATCH_V4_V4,
+            GetAddressMismatch(IPEndPoint(ip4_1, 443),
+                               IPEndPoint(ip4_1, 443)));
+  EXPECT_EQ(QUIC_ADDRESS_AND_PORT_MATCH_V6_V6,
+            GetAddressMismatch(IPEndPoint(ip6_1, 443),
+                               IPEndPoint(ip6_1, 443)));
+
+  EXPECT_EQ(QUIC_PORT_MISMATCH_V4_V4,
+            GetAddressMismatch(IPEndPoint(ip4_1, 80),
+                               IPEndPoint(ip4_1, 443)));
+  EXPECT_EQ(QUIC_PORT_MISMATCH_V6_V6,
+            GetAddressMismatch(IPEndPoint(ip6_1, 80),
+                               IPEndPoint(ip6_1, 443)));
+
+  EXPECT_EQ(QUIC_ADDRESS_MISMATCH_V4_V4,
+            GetAddressMismatch(IPEndPoint(ip4_1, 443),
+                               IPEndPoint(ip4_2, 443)));
+  EXPECT_EQ(QUIC_ADDRESS_MISMATCH_V4_V4,
+            GetAddressMismatch(IPEndPoint(ip4_1, 80),
+                               IPEndPoint(ip4_2, 443)));
+  EXPECT_EQ(QUIC_ADDRESS_MISMATCH_V6_V6,
+            GetAddressMismatch(IPEndPoint(ip6_1, 443),
+                               IPEndPoint(ip6_2, 443)));
+  EXPECT_EQ(QUIC_ADDRESS_MISMATCH_V6_V6,
+            GetAddressMismatch(IPEndPoint(ip6_1, 80),
+                               IPEndPoint(ip6_2, 443)));
+  EXPECT_EQ(QUIC_ADDRESS_MISMATCH_V4_V6,
+            GetAddressMismatch(IPEndPoint(ip4_1, 443),
+                               IPEndPoint(ip6_1, 443)));
+  EXPECT_EQ(QUIC_ADDRESS_MISMATCH_V4_V6,
+            GetAddressMismatch(IPEndPoint(ip4_1, 80),
+                               IPEndPoint(ip6_1, 443)));
+  EXPECT_EQ(QUIC_ADDRESS_MISMATCH_V6_V4,
+            GetAddressMismatch(IPEndPoint(ip6_1, 443),
+                               IPEndPoint(ip4_1, 443)));
+  EXPECT_EQ(QUIC_ADDRESS_MISMATCH_V6_V4,
+            GetAddressMismatch(IPEndPoint(ip6_1, 80),
+                               IPEndPoint(ip4_1, 443)));
+}
+
+}  // namespace test
+}  // namespace net