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v811_spc009/system/netd/libnetdutils/InternetAddressesTest.cpp

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/*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <cstdint>
#include <limits>
#include <sstream>
#include <string>
#include <vector>
#include <android-base/macros.h>
#include <gtest/gtest.h>
#include "netdutils/InternetAddresses.h"
namespace android {
namespace netdutils {
namespace {
enum Relation { EQ, LT };
std::ostream& operator<<(std::ostream& os, Relation relation) {
switch (relation) {
case EQ: os << "eq"; break;
case LT: os << "lt"; break;
default: os << "?!"; break;
}
return os;
}
template <typename T>
struct OperatorExpectation {
const Relation relation;
const T obj1;
const T obj2;
std::string toString() const {
std::stringstream output;
output << obj1 << " " << relation << " " << obj2;
return output.str();
}
};
template <typename T>
void testGamutOfOperators(const OperatorExpectation<T>& expectation) {
switch (expectation.relation) {
case EQ:
EXPECT_TRUE(expectation.obj1 == expectation.obj2);
EXPECT_TRUE(expectation.obj1 <= expectation.obj2);
EXPECT_TRUE(expectation.obj1 >= expectation.obj2);
EXPECT_FALSE(expectation.obj1 != expectation.obj2);
EXPECT_FALSE(expectation.obj1 < expectation.obj2);
EXPECT_FALSE(expectation.obj1 > expectation.obj2);
break;
case LT:
EXPECT_TRUE(expectation.obj1 < expectation.obj2);
EXPECT_TRUE(expectation.obj1 <= expectation.obj2);
EXPECT_TRUE(expectation.obj1 != expectation.obj2);
EXPECT_FALSE(expectation.obj1 > expectation.obj2);
EXPECT_FALSE(expectation.obj1 >= expectation.obj2);
EXPECT_FALSE(expectation.obj1 == expectation.obj2);
break;
default:
FAIL() << "Unknown relation given in test expectation";
}
}
const in_addr IPV4_ANY{htonl(INADDR_ANY)};
const in_addr IPV4_LOOPBACK{htonl(INADDR_LOOPBACK)};
const in_addr IPV4_ONES{~0U};
const in6_addr IPV6_ANY = IN6ADDR_ANY_INIT;
const in6_addr IPV6_LOOPBACK = IN6ADDR_LOOPBACK_INIT;
const in6_addr FE80{{{0xfe,0x80,0,0,0,0,0,0,0,0,0,0,0,0,0,0}}};
const in6_addr FE80_1{{{0xfe,0x80,0,0,0,0,0,0,0,0,0,0,0,0,0,1}}};
const in6_addr FE80_2{{{0xfe,0x80,0,0,0,0,0,0,0,0,0,0,0,0,0,2}}};
const uint8_t ff = std::numeric_limits<uint8_t>::max();
const in6_addr IPV6_ONES{{{ff,ff,ff,ff,ff,ff,ff,ff,ff,ff,ff,ff,ff,ff,ff,ff}}};
TEST(IPAddressTest, GamutOfOperators) {
const std::vector<OperatorExpectation<IPAddress>> kExpectations{
{EQ, IPAddress(), IPAddress()},
{EQ, IPAddress(IPV4_ONES), IPAddress(IPV4_ONES)},
{EQ, IPAddress(IPV6_ONES), IPAddress(IPV6_ONES)},
{EQ, IPAddress(FE80_1), IPAddress(FE80_1)},
{EQ, IPAddress(FE80_2), IPAddress(FE80_2)},
{LT, IPAddress(), IPAddress(IPV4_ANY)},
{LT, IPAddress(), IPAddress(IPV4_ONES)},
{LT, IPAddress(), IPAddress(IPV6_ANY)},
{LT, IPAddress(), IPAddress(IPV6_ONES)},
{LT, IPAddress(IPV4_ANY), IPAddress(IPV4_ONES)},
{LT, IPAddress(IPV4_ANY), IPAddress(IPV6_ANY)},
{LT, IPAddress(IPV4_ONES), IPAddress(IPV6_ANY)},
{LT, IPAddress(IPV4_ONES), IPAddress(IPV6_ONES)},
{LT, IPAddress(IPV6_ANY), IPAddress(IPV6_LOOPBACK)},
{LT, IPAddress(IPV6_ANY), IPAddress(IPV6_ONES)},
{LT, IPAddress(IPV6_LOOPBACK), IPAddress(IPV6_ONES)},
{LT, IPAddress(FE80_1), IPAddress(FE80_2)},
{LT, IPAddress(FE80_1), IPAddress(IPV6_ONES)},
{LT, IPAddress(FE80_2), IPAddress(IPV6_ONES)},
// Sort by scoped_id within the same address.
{LT, IPAddress(FE80_1), IPAddress(FE80_1, 1)},
{LT, IPAddress(FE80_1, 1), IPAddress(FE80_1, 2)},
// Sort by address first, scope_id second.
{LT, IPAddress(FE80_1, 2), IPAddress(FE80_2, 1)},
};
size_t tests_run = 0;
for (const auto& expectation : kExpectations) {
SCOPED_TRACE(expectation.toString());
EXPECT_NO_FATAL_FAILURE(testGamutOfOperators(expectation));
tests_run++;
}
EXPECT_EQ(kExpectations.size(), tests_run);
}
TEST(IPAddressTest, ScopeIds) {
// Scope IDs ignored for IPv4 addresses.
const IPAddress ones(IPV4_ONES);
EXPECT_EQ(0U, ones.scope_id());
const IPAddress ones22(ones, 22);
EXPECT_EQ(0U, ones22.scope_id());
EXPECT_EQ(ones, ones22);
const IPAddress ones23(ones, 23);
EXPECT_EQ(0U, ones23.scope_id());
EXPECT_EQ(ones22, ones23);
EXPECT_EQ("fe80::1%22", IPAddress(FE80_1, 22).toString());
EXPECT_EQ("fe80::2%23", IPAddress(FE80_2, 23).toString());
// Verify that given an IPAddress with a scope_id an address without a
// scope_id can be constructed (just in case it's useful).
const IPAddress fe80_intf22(FE80_1, 22);
EXPECT_EQ(22U, fe80_intf22.scope_id());
EXPECT_EQ(fe80_intf22, IPAddress(fe80_intf22));
EXPECT_EQ(IPAddress(FE80_1), IPAddress(fe80_intf22, 0));
}
TEST(IPAddressTest, forString) {
IPAddress ip;
EXPECT_FALSE(IPAddress::forString("not_an_ip", &ip));
EXPECT_FALSE(IPAddress::forString("not_an_ip", nullptr));
EXPECT_EQ(IPAddress(), IPAddress::forString("not_an_ip"));
EXPECT_EQ(IPAddress(IPV4_ANY), IPAddress::forString("0.0.0.0"));
EXPECT_EQ(IPAddress(IPV4_ONES), IPAddress::forString("255.255.255.255"));
EXPECT_EQ(IPAddress(IPV4_LOOPBACK), IPAddress::forString("127.0.0.1"));
EXPECT_EQ(IPAddress(IPV6_ANY), IPAddress::forString("::"));
EXPECT_EQ(IPAddress(IPV6_ANY), IPAddress::forString("::0"));
EXPECT_EQ(IPAddress(IPV6_ANY), IPAddress::forString("0::"));
EXPECT_EQ(IPAddress(IPV6_LOOPBACK), IPAddress::forString("::1"));
EXPECT_EQ(IPAddress(IPV6_LOOPBACK), IPAddress::forString("0::1"));
EXPECT_EQ(IPAddress(FE80_1), IPAddress::forString("fe80::1"));
EXPECT_EQ(IPAddress(FE80_1, 22), IPAddress::forString("fe80::1%22"));
// This relies upon having a loopback interface named "lo" with ifindex 1.
EXPECT_EQ(IPAddress(FE80_1, 1), IPAddress::forString("fe80::1%lo"));
}
TEST(IPPrefixTest, forString) {
IPPrefix prefix;
EXPECT_FALSE(IPPrefix::forString("", &prefix));
EXPECT_FALSE(IPPrefix::forString("invalid", &prefix));
EXPECT_FALSE(IPPrefix::forString("192.0.2.0", &prefix));
EXPECT_FALSE(IPPrefix::forString("2001::db8::", &prefix));
EXPECT_FALSE(IPPrefix::forString("2001:db8::/", &prefix));
EXPECT_FALSE(IPPrefix::forString("2001:db8:://32", &prefix));
EXPECT_FALSE(IPPrefix::forString("2001:db8::/32z", &prefix));
EXPECT_FALSE(IPPrefix::forString("2001:db8::/32/", &prefix));
EXPECT_FALSE(IPPrefix::forString("2001:db8::/0x20", &prefix));
EXPECT_FALSE(IPPrefix::forString("2001:db8:: /32", &prefix));
EXPECT_FALSE(IPPrefix::forString("2001:db8::/ 32", &prefix));
EXPECT_FALSE(IPPrefix::forString(" 2001:db8::/32", &prefix));
EXPECT_FALSE(IPPrefix::forString("2001:db8::/32 ", &prefix));
EXPECT_FALSE(IPPrefix::forString("2001:db8::/+32", &prefix));
EXPECT_FALSE(IPPrefix::forString("192.0.2.0/33", &prefix));
EXPECT_FALSE(IPPrefix::forString("2001:db8::/129", &prefix));
EXPECT_FALSE(IPPrefix::forString("192.0.2.0/-1", &prefix));
EXPECT_FALSE(IPPrefix::forString("2001:db8::/-1", &prefix));
EXPECT_TRUE(IPPrefix::forString("2001:db8::/32", &prefix));
EXPECT_EQ("2001:db8::/32", prefix.toString());
EXPECT_EQ(IPPrefix(IPAddress::forString("2001:db8::"), 32), prefix);
EXPECT_EQ(IPPrefix(), IPPrefix::forString("invalid"));
EXPECT_EQ("0.0.0.0/0", IPPrefix::forString("0.0.0.0/0").toString());
EXPECT_EQ("::/0", IPPrefix::forString("::/0").toString());
EXPECT_EQ("192.0.2.128/25", IPPrefix::forString("192.0.2.131/25").toString());
EXPECT_EQ("2001:db8:1:2:3:4:5:4/126",
IPPrefix::forString("2001:db8:1:2:3:4:5:6/126").toString());
}
TEST(IPPrefixTest, IPv4Truncation) {
const auto prefixStr = [](int length) -> std::string {
return IPPrefix(IPAddress(IPV4_ONES), length).toString();
};
EXPECT_EQ("0.0.0.0/0", prefixStr(0));
EXPECT_EQ("128.0.0.0/1", prefixStr(1));
EXPECT_EQ("192.0.0.0/2", prefixStr(2));
EXPECT_EQ("224.0.0.0/3", prefixStr(3));
EXPECT_EQ("240.0.0.0/4", prefixStr(4));
EXPECT_EQ("248.0.0.0/5", prefixStr(5));
EXPECT_EQ("252.0.0.0/6", prefixStr(6));
EXPECT_EQ("254.0.0.0/7", prefixStr(7));
EXPECT_EQ("255.0.0.0/8", prefixStr(8));
EXPECT_EQ("255.128.0.0/9", prefixStr(9));
EXPECT_EQ("255.192.0.0/10", prefixStr(10));
EXPECT_EQ("255.224.0.0/11", prefixStr(11));
EXPECT_EQ("255.240.0.0/12", prefixStr(12));
EXPECT_EQ("255.248.0.0/13", prefixStr(13));
EXPECT_EQ("255.252.0.0/14", prefixStr(14));
EXPECT_EQ("255.254.0.0/15", prefixStr(15));
EXPECT_EQ("255.255.0.0/16", prefixStr(16));
EXPECT_EQ("255.255.128.0/17", prefixStr(17));
EXPECT_EQ("255.255.192.0/18", prefixStr(18));
EXPECT_EQ("255.255.224.0/19", prefixStr(19));
EXPECT_EQ("255.255.240.0/20", prefixStr(20));
EXPECT_EQ("255.255.248.0/21", prefixStr(21));
EXPECT_EQ("255.255.252.0/22", prefixStr(22));
EXPECT_EQ("255.255.254.0/23", prefixStr(23));
EXPECT_EQ("255.255.255.0/24", prefixStr(24));
EXPECT_EQ("255.255.255.128/25", prefixStr(25));
EXPECT_EQ("255.255.255.192/26", prefixStr(26));
EXPECT_EQ("255.255.255.224/27", prefixStr(27));
EXPECT_EQ("255.255.255.240/28", prefixStr(28));
EXPECT_EQ("255.255.255.248/29", prefixStr(29));
EXPECT_EQ("255.255.255.252/30", prefixStr(30));
EXPECT_EQ("255.255.255.254/31", prefixStr(31));
EXPECT_EQ("255.255.255.255/32", prefixStr(32));
}
TEST(IPPrefixTest, IPv6Truncation) {
const auto prefixStr = [](int length) -> std::string {
return IPPrefix(IPAddress(IPV6_ONES), length).toString();
};
EXPECT_EQ("::/0", prefixStr(0));
EXPECT_EQ("8000::/1", prefixStr(1));
EXPECT_EQ("c000::/2", prefixStr(2));
EXPECT_EQ("e000::/3", prefixStr(3));
EXPECT_EQ("f000::/4", prefixStr(4));
EXPECT_EQ("f800::/5", prefixStr(5));
EXPECT_EQ("fc00::/6", prefixStr(6));
EXPECT_EQ("fe00::/7", prefixStr(7));
EXPECT_EQ("ff00::/8", prefixStr(8));
EXPECT_EQ("ff80::/9", prefixStr(9));
EXPECT_EQ("ffc0::/10", prefixStr(10));
EXPECT_EQ("ffe0::/11", prefixStr(11));
EXPECT_EQ("fff0::/12", prefixStr(12));
EXPECT_EQ("fff8::/13", prefixStr(13));
EXPECT_EQ("fffc::/14", prefixStr(14));
EXPECT_EQ("fffe::/15", prefixStr(15));
EXPECT_EQ("ffff::/16", prefixStr(16));
EXPECT_EQ("ffff:8000::/17", prefixStr(17));
EXPECT_EQ("ffff:c000::/18", prefixStr(18));
EXPECT_EQ("ffff:e000::/19", prefixStr(19));
EXPECT_EQ("ffff:f000::/20", prefixStr(20));
EXPECT_EQ("ffff:f800::/21", prefixStr(21));
EXPECT_EQ("ffff:fc00::/22", prefixStr(22));
EXPECT_EQ("ffff:fe00::/23", prefixStr(23));
EXPECT_EQ("ffff:ff00::/24", prefixStr(24));
EXPECT_EQ("ffff:ff80::/25", prefixStr(25));
EXPECT_EQ("ffff:ffc0::/26", prefixStr(26));
EXPECT_EQ("ffff:ffe0::/27", prefixStr(27));
EXPECT_EQ("ffff:fff0::/28", prefixStr(28));
EXPECT_EQ("ffff:fff8::/29", prefixStr(29));
EXPECT_EQ("ffff:fffc::/30", prefixStr(30));
EXPECT_EQ("ffff:fffe::/31", prefixStr(31));
EXPECT_EQ("ffff:ffff::/32", prefixStr(32));
EXPECT_EQ("ffff:ffff:8000::/33", prefixStr(33));
EXPECT_EQ("ffff:ffff:c000::/34", prefixStr(34));
EXPECT_EQ("ffff:ffff:e000::/35", prefixStr(35));
EXPECT_EQ("ffff:ffff:f000::/36", prefixStr(36));
EXPECT_EQ("ffff:ffff:f800::/37", prefixStr(37));
EXPECT_EQ("ffff:ffff:fc00::/38", prefixStr(38));
EXPECT_EQ("ffff:ffff:fe00::/39", prefixStr(39));
EXPECT_EQ("ffff:ffff:ff00::/40", prefixStr(40));
EXPECT_EQ("ffff:ffff:ff80::/41", prefixStr(41));
EXPECT_EQ("ffff:ffff:ffc0::/42", prefixStr(42));
EXPECT_EQ("ffff:ffff:ffe0::/43", prefixStr(43));
EXPECT_EQ("ffff:ffff:fff0::/44", prefixStr(44));
EXPECT_EQ("ffff:ffff:fff8::/45", prefixStr(45));
EXPECT_EQ("ffff:ffff:fffc::/46", prefixStr(46));
EXPECT_EQ("ffff:ffff:fffe::/47", prefixStr(47));
EXPECT_EQ("ffff:ffff:ffff::/48", prefixStr(48));
EXPECT_EQ("ffff:ffff:ffff:8000::/49", prefixStr(49));
EXPECT_EQ("ffff:ffff:ffff:c000::/50", prefixStr(50));
EXPECT_EQ("ffff:ffff:ffff:e000::/51", prefixStr(51));
EXPECT_EQ("ffff:ffff:ffff:f000::/52", prefixStr(52));
EXPECT_EQ("ffff:ffff:ffff:f800::/53", prefixStr(53));
EXPECT_EQ("ffff:ffff:ffff:fc00::/54", prefixStr(54));
EXPECT_EQ("ffff:ffff:ffff:fe00::/55", prefixStr(55));
EXPECT_EQ("ffff:ffff:ffff:ff00::/56", prefixStr(56));
EXPECT_EQ("ffff:ffff:ffff:ff80::/57", prefixStr(57));
EXPECT_EQ("ffff:ffff:ffff:ffc0::/58", prefixStr(58));
EXPECT_EQ("ffff:ffff:ffff:ffe0::/59", prefixStr(59));
EXPECT_EQ("ffff:ffff:ffff:fff0::/60", prefixStr(60));
EXPECT_EQ("ffff:ffff:ffff:fff8::/61", prefixStr(61));
EXPECT_EQ("ffff:ffff:ffff:fffc::/62", prefixStr(62));
EXPECT_EQ("ffff:ffff:ffff:fffe::/63", prefixStr(63));
EXPECT_EQ("ffff:ffff:ffff:ffff::/64", prefixStr(64));
EXPECT_EQ("ffff:ffff:ffff:ffff:8000::/65", prefixStr(65));
EXPECT_EQ("ffff:ffff:ffff:ffff:c000::/66", prefixStr(66));
EXPECT_EQ("ffff:ffff:ffff:ffff:e000::/67", prefixStr(67));
EXPECT_EQ("ffff:ffff:ffff:ffff:f000::/68", prefixStr(68));
EXPECT_EQ("ffff:ffff:ffff:ffff:f800::/69", prefixStr(69));
EXPECT_EQ("ffff:ffff:ffff:ffff:fc00::/70", prefixStr(70));
EXPECT_EQ("ffff:ffff:ffff:ffff:fe00::/71", prefixStr(71));
EXPECT_EQ("ffff:ffff:ffff:ffff:ff00::/72", prefixStr(72));
EXPECT_EQ("ffff:ffff:ffff:ffff:ff80::/73", prefixStr(73));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffc0::/74", prefixStr(74));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffe0::/75", prefixStr(75));
EXPECT_EQ("ffff:ffff:ffff:ffff:fff0::/76", prefixStr(76));
EXPECT_EQ("ffff:ffff:ffff:ffff:fff8::/77", prefixStr(77));
EXPECT_EQ("ffff:ffff:ffff:ffff:fffc::/78", prefixStr(78));
EXPECT_EQ("ffff:ffff:ffff:ffff:fffe::/79", prefixStr(79));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff::/80", prefixStr(80));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:8000::/81", prefixStr(81));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:c000::/82", prefixStr(82));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:e000::/83", prefixStr(83));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:f000::/84", prefixStr(84));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:f800::/85", prefixStr(85));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:fc00::/86", prefixStr(86));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:fe00::/87", prefixStr(87));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ff00::/88", prefixStr(88));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ff80::/89", prefixStr(89));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffc0::/90", prefixStr(90));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffe0::/91", prefixStr(91));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:fff0::/92", prefixStr(92));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:fff8::/93", prefixStr(93));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:fffc::/94", prefixStr(94));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:fffe::/95", prefixStr(95));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff::/96", prefixStr(96));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:8000:0/97", prefixStr(97));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:c000:0/98", prefixStr(98));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:e000:0/99", prefixStr(99));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:f000:0/100", prefixStr(100));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:f800:0/101", prefixStr(101));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:fc00:0/102", prefixStr(102));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:fe00:0/103", prefixStr(103));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:ff00:0/104", prefixStr(104));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:ff80:0/105", prefixStr(105));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:ffc0:0/106", prefixStr(106));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:ffe0:0/107", prefixStr(107));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:fff0:0/108", prefixStr(108));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:fff8:0/109", prefixStr(109));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:fffc:0/110", prefixStr(110));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:fffe:0/111", prefixStr(111));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:ffff:0/112", prefixStr(112));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:ffff:8000/113", prefixStr(113));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:ffff:c000/114", prefixStr(114));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:ffff:e000/115", prefixStr(115));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:ffff:f000/116", prefixStr(116));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:ffff:f800/117", prefixStr(117));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:ffff:fc00/118", prefixStr(118));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:ffff:fe00/119", prefixStr(119));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ff00/120", prefixStr(120));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ff80/121", prefixStr(121));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffc0/122", prefixStr(122));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffe0/123", prefixStr(123));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:ffff:fff0/124", prefixStr(124));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:ffff:fff8/125", prefixStr(125));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:ffff:fffc/126", prefixStr(126));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:ffff:fffe/127", prefixStr(127));
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff/128", prefixStr(128));
}
TEST(IPPrefixTest, TruncationOther) {
const struct {
const char* ip;
const int cidrLen;
const char* ipTruncated;
} testExpectations[] = {
{"192.0.2.0", 24, "192.0.2.0"},
{"192.0.2.0", 23, "192.0.2.0"},
{"192.0.2.0", 22, "192.0.0.0"},
{"192.0.2.0", 1, "128.0.0.0"},
{"2001:db8:cafe:d00d::", 56, "2001:db8:cafe:d000::"},
{"2001:db8:cafe:d00d::", 48, "2001:db8:cafe::"},
{"2001:db8:cafe:d00d::", 47, "2001:db8:cafe::"},
{"2001:db8:cafe:d00d::", 46, "2001:db8:cafc::"},
};
for (const auto& expectation : testExpectations) {
IPAddress ip;
EXPECT_TRUE(IPAddress::forString(expectation.ip, &ip))
<< "Failed to parse IP address " << expectation.ip;
IPAddress ipTruncated;
EXPECT_TRUE(IPAddress::forString(expectation.ipTruncated, &ipTruncated))
<< "Failed to parse IP address " << expectation.ipTruncated;
IPPrefix prefix(ip, expectation.cidrLen);
EXPECT_EQ(expectation.cidrLen, prefix.length())
<< "Unexpected cidrLen " << expectation.cidrLen;
EXPECT_EQ(ipTruncated, prefix.ip())
<< "Unexpected IP truncation: " << prefix.ip() << ", expected: " << ipTruncated;
}
}
TEST(IPPrefixTest, GamutOfOperators) {
const std::vector<OperatorExpectation<IPPrefix>> kExpectations{
{EQ, IPPrefix(), IPPrefix()},
{EQ, IPPrefix(IPAddress(IPV4_ANY), 0), IPPrefix(IPAddress(IPV4_ANY), 0)},
{EQ, IPPrefix(IPAddress(IPV4_ANY), IPV4_ADDR_BITS), IPPrefix(IPAddress(IPV4_ANY))},
{EQ, IPPrefix(IPAddress(IPV6_ANY), 0), IPPrefix(IPAddress(IPV6_ANY), 0)},
{EQ, IPPrefix(IPAddress(IPV6_ANY), IPV6_ADDR_BITS), IPPrefix(IPAddress(IPV6_ANY))},
// Needlessly fully-specified IPv6 link-local address.
{EQ, IPPrefix(IPAddress(FE80_1)), IPPrefix(IPAddress(FE80_1, 0), IPV6_ADDR_BITS)},
// Different IPv6 link-local addresses within the same /64, no scoped_id: same /64.
{EQ, IPPrefix(IPAddress(FE80_1), 64), IPPrefix(IPAddress(FE80_2), 64)},
// Different IPv6 link-local address within the same /64, same scoped_id: same /64.
{EQ, IPPrefix(IPAddress(FE80_1, 17), 64), IPPrefix(IPAddress(FE80_2, 17), 64)},
// Unspecified < IPv4.
{LT, IPPrefix(), IPPrefix(IPAddress(IPV4_ANY), 0)},
// Same IPv4 base address sorts by prefix length.
{LT, IPPrefix(IPAddress(IPV4_ANY), 0), IPPrefix(IPAddress(IPV4_ANY), 1)},
{LT, IPPrefix(IPAddress(IPV4_ANY), 1), IPPrefix(IPAddress(IPV4_ANY), IPV4_ADDR_BITS)},
// Truncation means each base IPv4 address is different.
{LT, IPPrefix(IPAddress(IPV4_ONES), 0), IPPrefix(IPAddress(IPV4_ONES), 1)},
{LT, IPPrefix(IPAddress(IPV4_ONES), 1), IPPrefix(IPAddress(IPV4_ONES), IPV4_ADDR_BITS)},
// Sort by base IPv4 addresses first.
{LT, IPPrefix(IPAddress(IPV4_ANY), 0), IPPrefix(IPAddress::forString("0.0.0.1"))},
{LT, IPPrefix(IPAddress(IPV4_ANY), 1), IPPrefix(IPAddress::forString("0.0.0.1"))},
{LT, IPPrefix(IPAddress(IPV4_ANY), 24), IPPrefix(IPAddress::forString("0.0.0.1"))},
// IPv4 < IPv6.
{LT, IPPrefix(IPAddress(IPV4_ANY), 0), IPPrefix(IPAddress(IPV6_ANY), 0)},
{LT, IPPrefix(IPAddress(IPV4_ONES)), IPPrefix(IPAddress(IPV6_ANY))},
// Unspecified < IPv6.
{LT, IPPrefix(), IPPrefix(IPAddress(IPV6_ANY), 0)},
// Same IPv6 base address sorts by prefix length.
{LT, IPPrefix(IPAddress(IPV6_ANY), 0), IPPrefix(IPAddress(IPV6_ANY), 1)},
{LT, IPPrefix(IPAddress(IPV6_ANY), 1), IPPrefix(IPAddress(IPV6_ANY), IPV6_ADDR_BITS)},
// Truncation means each base IPv6 address is different.
{LT, IPPrefix(IPAddress(IPV6_ONES), 0), IPPrefix(IPAddress(IPV6_ONES), 1)},
{LT, IPPrefix(IPAddress(IPV6_ONES), 1), IPPrefix(IPAddress(IPV6_ONES), IPV6_ADDR_BITS)},
// Different IPv6 link-local address in same /64, different scoped_id: different /64.
{LT, IPPrefix(IPAddress(FE80_1, 17), 64), IPPrefix(IPAddress(FE80_2, 22), 64)},
{LT, IPPrefix(IPAddress(FE80_1, 17), 64), IPPrefix(IPAddress(FE80_1, 18), 64)},
{LT, IPPrefix(IPAddress(FE80_1, 18), 64), IPPrefix(IPAddress(FE80_1, 19), 64)},
};
size_t tests_run = 0;
for (const auto& expectation : kExpectations) {
SCOPED_TRACE(expectation.toString());
EXPECT_NO_FATAL_FAILURE(testGamutOfOperators(expectation));
tests_run++;
}
EXPECT_EQ(kExpectations.size(), tests_run);
}
TEST(IPSockAddrTest, GamutOfOperators) {
const std::vector<OperatorExpectation<IPSockAddr>> kExpectations{
{EQ, IPSockAddr(), IPSockAddr()},
{EQ, IPSockAddr(IPAddress(IPV4_ANY)), IPSockAddr(IPAddress(IPV4_ANY), 0)},
{EQ, IPSockAddr(IPAddress(IPV6_ANY)), IPSockAddr(IPAddress(IPV6_ANY), 0)},
{EQ, IPSockAddr(IPAddress(FE80_1), 80), IPSockAddr(IPAddress(FE80_1), 80)},
{EQ, IPSockAddr(IPAddress(FE80_1, 17)), IPSockAddr(IPAddress(FE80_1, 17), 0)},
{LT, IPSockAddr(IPAddress(IPV4_ANY), 0), IPSockAddr(IPAddress(IPV4_ANY), 1)},
{LT, IPSockAddr(IPAddress(IPV4_ANY), 53), IPSockAddr(IPAddress(IPV4_ANY), 123)},
{LT, IPSockAddr(IPAddress(IPV4_ONES), 123), IPSockAddr(IPAddress(IPV6_ANY), 53)},
{LT, IPSockAddr(IPAddress(IPV6_ANY), 0), IPSockAddr(IPAddress(IPV6_ANY), 1)},
{LT, IPSockAddr(IPAddress(IPV6_ANY), 53), IPSockAddr(IPAddress(IPV6_ANY), 123)},
{LT, IPSockAddr(IPAddress(FE80_1), 80), IPSockAddr(IPAddress(FE80_1, 17), 80)},
{LT, IPSockAddr(IPAddress(FE80_1, 17), 80), IPSockAddr(IPAddress(FE80_1, 22), 80)},
};
size_t tests_run = 0;
for (const auto& expectation : kExpectations) {
SCOPED_TRACE(expectation.toString());
EXPECT_NO_FATAL_FAILURE(testGamutOfOperators(expectation));
tests_run++;
}
EXPECT_EQ(kExpectations.size(), tests_run);
}
TEST(IPSockAddrTest, toString) {
EXPECT_EQ("<unspecified>:0", IPSockAddr().toString());
EXPECT_EQ("0.0.0.0:0", IPSockAddr(IPAddress(IPV4_ANY)).toString());
EXPECT_EQ("255.255.255.255:67", IPSockAddr(IPAddress(IPV4_ONES), 67).toString());
EXPECT_EQ("[::]:0", IPSockAddr(IPAddress(IPV6_ANY)).toString());
EXPECT_EQ("[::1]:53", IPSockAddr(IPAddress(IPV6_LOOPBACK), 53).toString());
EXPECT_EQ("[fe80::1]:0", IPSockAddr(IPAddress(FE80_1)).toString());
EXPECT_EQ("[fe80::2%17]:123", IPSockAddr(IPAddress(FE80_2, 17), 123).toString());
}
TEST(CompatIPDataTest, ConversionsClearUnneededValues) {
const uint32_t idx = 17;
const IPSockAddr linkLocalNtpSockaddr(IPAddress(FE80_2, idx), 123);
EXPECT_EQ(IPAddress(FE80_2, idx), linkLocalNtpSockaddr.ip());
// IPSockAddr(IPSockaddr.ip()) see the port cleared.
EXPECT_EQ(0, IPSockAddr(linkLocalNtpSockaddr.ip()).port());
const IPPrefix linkLocalPrefix(linkLocalNtpSockaddr.ip(), 64);
EXPECT_EQ(IPAddress(FE80, idx), linkLocalPrefix.ip());
// IPPrefix(IPPrefix.ip()) see the CIDR length cleared.
EXPECT_EQ(IPV6_ADDR_BITS, IPPrefix(linkLocalPrefix.ip()).length());
}
} // namespace
} // namespace netdutils
} // namespace android
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