Add QuicIpAddressTests.

gfe-relnote: n/a; test-only change.
PiperOrigin-RevId: 245996785
Change-Id: I2569a7dff46d58def379c2baba9152cb8c87393f

quic/platform/api/quic_ip_address_test.cc

diff --git a/quic/platform/api/quic_ip_address_test.cc b/quic/platform/api/quic_ip_address_test.cc
new file mode 100644
index 0000000..6942427
--- /dev/null
+++ b/quic/platform/api/quic_ip_address_test.cc
@@ -0,0 +1,63 @@
+// Copyright (c) 2019 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/third_party/quiche/src/quic/platform/api/quic_ip_address.h"
+
+#include <cstdint>
+
+#include "net/third_party/quiche/src/quic/platform/api/quic_test.h"
+
+namespace quic {
+namespace test {
+namespace {
+
+TEST(QuicIpAddressTest, IPv4) {
+  QuicIpAddress ip_address;
+  EXPECT_FALSE(ip_address.IsInitialized());
+
+  EXPECT_TRUE(ip_address.FromString("127.0.52.223"));
+  EXPECT_TRUE(ip_address.IsInitialized());
+
+  EXPECT_EQ(IpAddressFamily::IP_V4, ip_address.address_family());
+  EXPECT_TRUE(ip_address.IsIPv4());
+  EXPECT_FALSE(ip_address.IsIPv6());
+
+  EXPECT_EQ("127.0.52.223", ip_address.ToString());
+  const in_addr v4_address = ip_address.GetIPv4();
+  const uint8_t* const v4_address_ptr =
+      reinterpret_cast<const uint8_t*>(&v4_address);
+  EXPECT_EQ(127u, *(v4_address_ptr + 0));
+  EXPECT_EQ(0u, *(v4_address_ptr + 1));
+  EXPECT_EQ(52u, *(v4_address_ptr + 2));
+  EXPECT_EQ(223u, *(v4_address_ptr + 3));
+}
+
+TEST(QuicIpAddressTest, IPv6) {
+  QuicIpAddress ip_address;
+  EXPECT_FALSE(ip_address.IsInitialized());
+
+  EXPECT_TRUE(ip_address.FromString("fe80::1ff:fe23:4567"));
+  EXPECT_TRUE(ip_address.IsInitialized());
+
+  EXPECT_EQ(IpAddressFamily::IP_V6, ip_address.address_family());
+  EXPECT_FALSE(ip_address.IsIPv4());
+  EXPECT_TRUE(ip_address.IsIPv6());
+
+  EXPECT_EQ("fe80::1ff:fe23:4567", ip_address.ToString());
+  const in6_addr v6_address = ip_address.GetIPv6();
+  const uint16_t* const v6_address_ptr =
+      reinterpret_cast<const uint16_t*>(&v6_address);
+  EXPECT_EQ(0x80feu, *(v6_address_ptr + 0));
+  EXPECT_EQ(0x0000u, *(v6_address_ptr + 1));
+  EXPECT_EQ(0x0000u, *(v6_address_ptr + 2));
+  EXPECT_EQ(0x0000u, *(v6_address_ptr + 3));
+  EXPECT_EQ(0x0000u, *(v6_address_ptr + 4));
+  EXPECT_EQ(0xff01u, *(v6_address_ptr + 5));
+  EXPECT_EQ(0x23feu, *(v6_address_ptr + 6));
+  EXPECT_EQ(0x6745u, *(v6_address_ptr + 7));
+}
+
+}  // namespace
+}  // namespace test
+}  // namespace quic