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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/platform/network/ip_address.h"
#include "net/base/ip_address.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/renderer/platform/wtf/hash_map.h"
#include "third_party/blink/renderer/platform/wtf/hash_table_deleted_value_type.h"
#include "third_party/blink/renderer/platform/wtf/hash_traits.h"
namespace blink::test {
constexpr uint8_t kIpAddressBytes1[] = {192, 168, 1, 1};
constexpr uint8_t kIpAddressBytes2[] = {192, 168, 1, 2};
constexpr uint8_t kIpAddressBytes3[] = {200, 200, 200, 200};
TEST(BlinkIPAddressTest, HashTraits) {
const net::IPAddress kIPAddr1(kIpAddressBytes1);
const net::IPAddress kIPAddr2(kIpAddressBytes2);
const net::IPAddress kEmptyIPAddr;
net::IPAddress deleted_value;
HashTraits<net::IPAddress>::ConstructDeletedValue(deleted_value);
EXPECT_NE(deleted_value, kEmptyIPAddr);
EXPECT_NE(deleted_value, kIPAddr1);
EXPECT_NE(deleted_value, kIPAddr2);
EXPECT_TRUE(
WTF::IsHashTraitsDeletedValue<HashTraits<net::IPAddress>>(deleted_value));
EXPECT_FALSE(
WTF::IsHashTraitsDeletedValue<HashTraits<net::IPAddress>>(kEmptyIPAddr));
EXPECT_FALSE(
WTF::IsHashTraitsDeletedValue<HashTraits<net::IPAddress>>(kIPAddr1));
EXPECT_FALSE(
WTF::IsHashTraitsDeletedValue<HashTraits<net::IPAddress>>(kIPAddr2));
EXPECT_TRUE(
WTF::IsHashTraitsEmptyValue<HashTraits<net::IPAddress>>(kEmptyIPAddr));
EXPECT_FALSE(
WTF::IsHashTraitsEmptyValue<HashTraits<net::IPAddress>>(deleted_value));
EXPECT_FALSE(
WTF::IsHashTraitsEmptyValue<HashTraits<net::IPAddress>>(kIPAddr1));
EXPECT_FALSE(
WTF::IsHashTraitsEmptyValue<HashTraits<net::IPAddress>>(kIPAddr2));
// Should be a 1 out of 4 billion chance these collide.
EXPECT_NE(HashTraits<net::IPAddress>::GetHash(kIPAddr1),
HashTraits<net::IPAddress>::GetHash(kIPAddr2));
}
TEST(BlinkIPAddressTest, HashIpAddress) {
WTF::HashMap<net::IPAddress, int> ip_address_map;
const net::IPAddress kIPAddr1(kIpAddressBytes1);
const net::IPAddress kIPAddr2(kIpAddressBytes2);
const net::IPAddress kIPAddr3(kIpAddressBytes3);
ip_address_map.insert(kIPAddr1, 1);
EXPECT_EQ(ip_address_map.size(), 1u);
EXPECT_TRUE(ip_address_map.Contains(kIPAddr1));
EXPECT_EQ(ip_address_map.at(kIPAddr1), 1);
ip_address_map.insert(kIPAddr2, 2);
EXPECT_EQ(ip_address_map.size(), 2u);
ip_address_map.erase(kIPAddr1);
EXPECT_FALSE(ip_address_map.Contains(kIPAddr1));
EXPECT_EQ(ip_address_map.size(), 1u);
ip_address_map.insert(kIPAddr3, 2);
EXPECT_EQ(ip_address_map.size(), 2u);
}
} // namespace blink::test
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