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#include "ipmath.h"
#include "range_set.h"
#include <library/cpp/testing/unittest/registar.h>
#include <library/cpp/testing/gmock_in_unittest/gmock.h>
#include <library/cpp/ipv6_address/ipv6_address.h>
using namespace testing;
static constexpr auto MIN_IPV6_ADDR = "::";
static constexpr auto MAX_IPV6_ADDR = "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff";
std::ostream& operator<<(std::ostream& os, const TIpAddressRange& r) {
auto s = r.ToRangeString();
os.write(s.data(), s.size());
return os;
}
std::ostream& operator<<(std::ostream& os, const TIpRangeSet& rangeSet) {
os << "{\n";
for (auto&& r : rangeSet) {
os << r << '\n';
}
os << "}\n";
return os;
}
class TIpRangeTests: public TTestBase {
public:
UNIT_TEST_SUITE(TIpRangeTests);
UNIT_TEST(IpRangeFromIpv4);
UNIT_TEST(IpRangeFromIpv6);
UNIT_TEST(FullIpRange);
UNIT_TEST(IpRangeFromCidr);
UNIT_TEST(IpRangeFromIpv4Builder);
UNIT_TEST(IpRangeFromInvalidIpv4);
UNIT_TEST(IpRangeFromInvalidIpv6);
UNIT_TEST(RangeFromSingleAddress);
UNIT_TEST(RangeFromRangeString);
UNIT_TEST(ManualIteration);
UNIT_TEST(RangeRelations);
UNIT_TEST(RangeUnion);
UNIT_TEST_SUITE_END();
void RangeFromSingleAddress() {
for (auto addrStr : {"192.168.0.1", "::2"}) {
auto range = TIpAddressRange::From(addrStr).Build();
ASSERT_THAT(range.Size(), Eq(1));
ASSERT_TRUE(range.IsSingle());
auto range2 = TIpAddressRange{addrStr, addrStr};
ASSERT_THAT(range2, Eq(range));
TVector<ui128> result;
range.ForEach([&result] (TIpv6Address addr) {
result.push_back(addr);
});
bool ok{};
ASSERT_THAT(result, ElementsAre(TIpv6Address::FromString(addrStr, ok)));
}
}
void IpRangeFromIpv4() {
bool ok{};
auto s = TIpv6Address::FromString("192.168.0.0", ok);
ASSERT_TRUE(ok);
auto e = TIpv6Address::FromString("192.168.0.255", ok);
ASSERT_TRUE(ok);
TIpAddressRange range{s, e};
ASSERT_THAT(range.Size(), Eq(256));
ASSERT_THAT(range.Type(), Eq(TIpAddressRange::TIpType::Ipv4));
TIpAddressRange range2{"192.168.0.0", "192.168.0.255"};
ASSERT_THAT(range2.Size(), Eq(256));
ASSERT_THAT(range2, Eq(range));
}
void IpRangeFromIpv6() {
bool ok{};
auto s = TIpv6Address::FromString("ffce:abcd::", ok);
ASSERT_TRUE(ok);
auto e = TIpv6Address::FromString("ffce:abcd::00ff", ok);
ASSERT_TRUE(ok);
TIpAddressRange range{s, e};
ASSERT_THAT(range.Size(), Eq(256));
TIpAddressRange range2{"ffce:abcd::", "ffce:abcd::00ff"};
ASSERT_THAT(range2.Size(), Eq(256));
ASSERT_THAT(range.Type(), Eq(TIpAddressRange::TIpType::Ipv6));
ASSERT_THAT(range2, Eq(range));
}
void FullIpRange() {
auto check = [] (auto start, auto end, ui128 expectedSize) {
auto range = TIpAddressRange::From(start).To(end).Build();
ASSERT_THAT(range.Size(), Eq(expectedSize));
};
check("0.0.0.0", "255.255.255.255", ui128(Max<ui32>()) + 1);
// XXX
// check(MIN_IPV6_ADDR, MAX_IPV6_ADDR, ui128(Max<ui128>() + 1));
}
void IpRangeFromCidr() {
auto range = TIpAddressRange::FromCidrString("10.0.0.0/30");
ASSERT_THAT(range.Size(), Eq(4));
TVector<TIpv6Address> result;
Copy(range.begin(), range.end(), std::back_inserter(result));
bool ok;
TVector<TIpv6Address> expected {
TIpv6Address::FromString("10.0.0.0", ok),
TIpv6Address::FromString("10.0.0.1", ok),
TIpv6Address::FromString("10.0.0.2", ok),
TIpv6Address::FromString("10.0.0.3", ok),
};
ASSERT_THAT(result, ElementsAreArray(expected));
// single host
ASSERT_THAT(TIpAddressRange::FromCidrString("ffce:abcd::/128"), Eq(TIpAddressRange::From("ffce:abcd::").Build()));
ASSERT_THAT(TIpAddressRange::FromCidrString("192.168.0.1/32"), Eq(TIpAddressRange::From("192.168.0.1").Build()));
// full range
ASSERT_THAT(TIpAddressRange::FromCidrString("::/0"), Eq(TIpAddressRange::From(MIN_IPV6_ADDR).To(MAX_IPV6_ADDR).Build()));
ASSERT_THAT(TIpAddressRange::FromCidrString("0.0.0.0/0"), Eq(TIpAddressRange::From("0.0.0.0").To("255.255.255.255").Build()));
// illformed
ASSERT_THROW(TIpAddressRange::FromCidrString("::/"), TInvalidIpRangeException);
ASSERT_THROW(TIpAddressRange::FromCidrString("::"), TInvalidIpRangeException);
ASSERT_THROW(TIpAddressRange::FromCidrString("/::"), TInvalidIpRangeException);
ASSERT_THROW(TIpAddressRange::FromCidrString("::/150"), TInvalidIpRangeException);
}
void RangeFromRangeString() {
{
auto range = TIpAddressRange::FromRangeString("10.0.0.0-10.0.0.3");
TVector<TIpv6Address> result;
Copy(range.begin(), range.end(), std::back_inserter(result));
bool ok;
TVector<TIpv6Address> expected {
TIpv6Address::FromString("10.0.0.0", ok),
TIpv6Address::FromString("10.0.0.1", ok),
TIpv6Address::FromString("10.0.0.2", ok),
TIpv6Address::FromString("10.0.0.3", ok),
};
ASSERT_THAT(result, ElementsAreArray(expected));
}
{
auto range = TIpAddressRange::FromRangeString("10.0.0.0-10.0.0.3");
TVector<TIpv6Address> result;
Copy(range.begin(), range.end(), std::back_inserter(result));
bool ok;
TVector<TIpv6Address> expected {
TIpv6Address::FromString("10.0.0.0", ok),
TIpv6Address::FromString("10.0.0.1", ok),
TIpv6Address::FromString("10.0.0.2", ok),
TIpv6Address::FromString("10.0.0.3", ok),
};
ASSERT_THAT(result, ElementsAreArray(expected));
}
}
void IpRangeFromIpv4Builder() {
auto range = TIpAddressRange::From("192.168.0.0")
.To("192.168.0.255")
.Build();
ASSERT_THAT(range.Size(), Eq(256));
}
void IpRangeFromIpv4BuilderFromTIpv6Address() {
const auto s = TIpv6Address::FromString("192.168.0.0");
const auto e = TIpv6Address::FromString("192.168.0.255");
auto range = TIpAddressRange::From(s).To(e).Build();
ASSERT_THAT(range.Size(), Eq(256));
}
void IpRangeFromInvalidIpv4() {
auto build = [] (auto from, auto to) {
return TIpAddressRange::From(from).To(to).Build();
};
ASSERT_THROW(build("192.168.0.255", "192.168.0.0"), yexception);
ASSERT_THROW(build("192.168.0.0", "192.168.0.300"), yexception);
ASSERT_THROW(build("192.168.0.300", "192.168.0.330"), yexception);
ASSERT_THROW(build("192.168.0.0", "::1"), yexception);
ASSERT_THROW(build(TIpv6Address{}, TIpv6Address{}), yexception);
}
void IpRangeFromInvalidIpv6() {
auto build = [] (auto from, auto to) {
return TIpAddressRange::From(from).To(to).Build();
};
ASSERT_THROW(build("ffce:abcd::00ff", "ffce:abcd::"), yexception);
ASSERT_THROW(build("ffce:abcd::", "ffce:abcd::fffff"), yexception);
ASSERT_THROW(build("ffce:abcd::10000", "ffce:abcd::ffff"), yexception);
ASSERT_THROW(build("ffce:abcd::", TIpv6Address{}), yexception);
auto ctor = [] (auto s, auto e) {
return TIpAddressRange{s, e};
};
ASSERT_THROW(ctor(TIpv6Address{}, TIpv6Address{}), yexception);
ASSERT_THROW(ctor("", ""), yexception);
}
void ManualIteration() {
{
TIpAddressRange range{"::", "::"};
auto it = range.Begin();
++it;
bool ok;
ASSERT_THAT(*it, Eq(TIpv6Address::FromString("::1", ok)));
for (auto i = 0; i < 254; ++i, ++it) {
}
ASSERT_THAT(*it, Eq(TIpv6Address::FromString("::ff", ok)));
}
{
TIpAddressRange range{"0.0.0.0", "0.0.0.0"};
auto it = range.Begin();
++it;
bool ok;
ASSERT_THAT(*it, Eq(TIpv6Address::FromString("0.0.0.1", ok)));
for (auto i = 0; i < 254; ++i, ++it) {
}
ASSERT_THAT(*it, Eq(TIpv6Address::FromString("0.0.0.255", ok)));
}
}
void RangeRelations() {
{
auto range = TIpAddressRange::From(MIN_IPV6_ADDR)
.To(MAX_IPV6_ADDR)
.Build();
ASSERT_TRUE(range.Overlaps(range));
ASSERT_TRUE(range.Contains(range));
// XXX
//ASSERT_FALSE(range.IsConsecutive(range));
}
{
auto range = TIpAddressRange::From("0.0.0.1").To("0.0.0.4").Build();
auto range0 = TIpAddressRange::From("0.0.0.0").Build();
auto range1 = TIpAddressRange::From("0.0.0.1").Build();
auto range2 = TIpAddressRange::From("0.0.0.5").Build();
auto range4 = TIpAddressRange::From("0.0.0.4").Build();
ASSERT_FALSE(range.Overlaps(range0));
ASSERT_TRUE(range.IsConsecutive(range0));
ASSERT_FALSE(range.Contains(range0));
ASSERT_TRUE(range.Overlaps(range1));
ASSERT_FALSE(range.IsConsecutive(range1));
ASSERT_TRUE(range.Contains(range1));
ASSERT_TRUE(range.Overlaps(range4));
ASSERT_FALSE(range.IsConsecutive(range4));
ASSERT_TRUE(range.Contains(range4));
}
{
auto range = TIpAddressRange::From("0.0.0.1").To("0.0.0.4").Build();
auto range2 = TIpAddressRange::From("0.0.0.0").To("0.0.0.2").Build();
ASSERT_TRUE(range.Overlaps(range2));
ASSERT_FALSE(range.IsConsecutive(range2));
ASSERT_FALSE(range.Contains(range2));
bool ok;
ASSERT_TRUE(range.Contains(TIpv6Address::FromString("0.0.0.1", ok)));
ASSERT_TRUE(range.Contains(TIpv6Address::FromString("0.0.0.2", ok)));
ASSERT_FALSE(range.Contains(TIpv6Address::FromString("0.0.0.5", ok)));
}
}
void RangeUnion() {
{
auto range = TIpAddressRange::From(MIN_IPV6_ADDR)
.To(MAX_IPV6_ADDR)
.Build();
ASSERT_THAT(range.Union(range), Eq(range));
ASSERT_THAT(range.Union(TIpAddressRange::From("::")), range);
ASSERT_THAT(range.Union(TIpAddressRange::From("::1")), range);
ASSERT_THROW(range.Union(TIpAddressRange::From("0.0.0.0")), yexception);
}
{
auto expected = TIpAddressRange::From("0.0.0.1").To("0.0.0.10").Build();
auto range = TIpAddressRange{"0.0.0.1", "0.0.0.3"}.Union({"0.0.0.4", "0.0.0.10"});
ASSERT_THAT(range, Eq(expected));
auto range2 = TIpAddressRange{"0.0.0.1", "0.0.0.3"}.Union({"0.0.0.2", "0.0.0.10"});
ASSERT_THAT(range2, Eq(expected));
auto range3 = TIpAddressRange{"0.0.0.2", "0.0.0.3"}.Union({"0.0.0.1", "0.0.0.10"});
ASSERT_THAT(range2, Eq(expected));
auto range4 = TIpAddressRange{"0.0.0.1", "0.0.0.10"}.Union({"0.0.0.2", "0.0.0.3"});
ASSERT_THAT(range2, Eq(expected));
ASSERT_THROW(range.Union(TIpAddressRange::From("10.0.0.0")), yexception);
}
}
};
class TRangeSetTests: public TTestBase {
public:
UNIT_TEST_SUITE(TRangeSetTests);
UNIT_TEST(AddDisjoint);
UNIT_TEST(AddOverlapping);
UNIT_TEST(AddConsecutive);
UNIT_TEST(DisallowsMixingTypes);
UNIT_TEST(MembershipTest);
UNIT_TEST_SUITE_END();
void AddDisjoint() {
TIpRangeSet set;
TVector<TIpAddressRange> expected {
TIpAddressRange::From("0.0.0.0").To("0.0.0.2").Build(),
TIpAddressRange::From("0.0.0.4").To("255.255.255.255").Build(),
};
for (auto&& r : expected) {
set.Add(r);
}
ASSERT_THAT(set, ElementsAreArray(expected));
}
void TestAdding(const TVector<TIpAddressRange>& toInsert, const TVector<TIpAddressRange>& expected) {
TIpRangeSet set;
{
set.Add(toInsert);
ASSERT_THAT(set, ElementsAreArray(expected));
}
{
for (auto it = toInsert.rbegin(); it != toInsert.rend(); ++it) {
set.Add(*it);
}
ASSERT_THAT(set, ElementsAreArray(expected));
}
}
void AddOverlapping() {
{
TVector<TIpAddressRange> toInsert {
TIpAddressRange::From("0.0.0.0").To("0.0.0.2").Build(),
TIpAddressRange::From("0.0.0.2").To("0.0.0.4").Build(),
TIpAddressRange::From("0.0.0.4").To("255.255.255.255").Build(),
};
TVector<TIpAddressRange> expected {
TIpAddressRange::From("0.0.0.0").To("255.255.255.255").Build(),
};
TestAdding(toInsert, expected);
}
{
TVector<TIpAddressRange> toInsert {
TIpAddressRange::From("0.0.0.0").To("0.0.0.5").Build(),
TIpAddressRange::From("0.0.0.8").To("0.0.0.10").Build(),
TIpAddressRange::From("0.0.0.7").To("0.0.0.12").Build(),
};
TVector<TIpAddressRange> expected {
TIpAddressRange::From("0.0.0.0").To("0.0.0.5").Build(),
TIpAddressRange::From("0.0.0.7").To("0.0.0.12").Build(),
};
TestAdding(toInsert, expected);
}
{
TVector<TIpAddressRange> toInsert {
TIpAddressRange::From("0.0.0.0").To("0.0.0.5").Build(),
TIpAddressRange::From("0.0.0.7").To("0.0.0.12").Build(),
TIpAddressRange::From("0.0.0.8").To("0.0.0.10").Build(),
};
TVector<TIpAddressRange> expected {
TIpAddressRange::From("0.0.0.0").To("0.0.0.5").Build(),
TIpAddressRange::From("0.0.0.7").To("0.0.0.12").Build(),
};
TestAdding(toInsert, expected);
}
{
TVector<TIpAddressRange> toInsert {
TIpAddressRange::From("0.0.0.0").To("0.0.0.5").Build(),
TIpAddressRange::From("0.0.0.3").To("0.0.0.10").Build(),
};
TVector<TIpAddressRange> expected {
TIpAddressRange::From("0.0.0.0").To("0.0.0.10").Build(),
};
TestAdding(toInsert, expected);
}
}
void DisallowsMixingTypes() {
TVector<TIpAddressRange> toInsert {
TIpAddressRange::From("0.0.0.0").To("0.0.0.5").Build(),
TIpAddressRange::From("::1").Build(),
};
TIpRangeSet rangeSet;
ASSERT_THROW([&] { rangeSet.Add(toInsert); }(), yexception);
ASSERT_THROW([&] { rangeSet.Add(toInsert[1]); rangeSet.Add(toInsert[0]); }(), yexception);
}
void AddConsecutive() {
{
TVector<TIpAddressRange> toInsert {
TIpAddressRange::From("0.0.0.0").To("0.0.0.5").Build(),
TIpAddressRange::From("0.0.0.6").To("0.0.0.7").Build(),
TIpAddressRange::From("0.0.0.8").To("0.0.0.10").Build(),
};
TVector<TIpAddressRange> expected {
TIpAddressRange::From("0.0.0.0").To("0.0.0.10").Build(),
};
TestAdding(toInsert, expected);
}
{
TVector<TIpAddressRange> toInsert {
TIpAddressRange::From("0.0.0.0").To("255.255.255.255").Build(),
TIpAddressRange::From("0.0.0.0").To("255.255.255.255").Build(),
};
TVector<TIpAddressRange> expected {
TIpAddressRange::From("0.0.0.0").To("255.255.255.255").Build(),
};
TestAdding(toInsert, expected);
}
}
void MembershipTest() {
TVector<TIpAddressRange> toInsert {
TIpAddressRange::From("0.0.0.0").To("0.0.0.5").Build(),
TIpAddressRange::From("0.0.0.7").To("0.0.0.12").Build(),
TIpAddressRange::From("0.0.0.8").To("0.0.0.10").Build(),
};
TIpRangeSet rangeSet;
rangeSet.Add(toInsert);
TVector<TIpAddressRange> in {
TIpAddressRange::From("0.0.0.0").To("0.0.0.5").Build(),
TIpAddressRange::From("0.0.0.7").To("0.0.0.12").Build(),
};
TVector<TIpAddressRange> notIn {
TIpAddressRange::From("0.0.0.6").Build(),
TIpAddressRange::From("0.0.0.13").To("0.0.0.255").Build(),
// enumerating full range is slow and makes little sense
TIpAddressRange::From("255.255.255.0").To("255.255.255.255").Build(),
};
for (auto&& range : in) {
for (auto&& addr : range) {
ASSERT_TRUE(rangeSet.Contains(addr));
ASSERT_THAT(*rangeSet.Find(addr), Eq(range));
}
}
for (auto&& range : notIn) {
for (auto&& addr : range) {
ASSERT_FALSE(rangeSet.Contains(addr));
ASSERT_THAT(rangeSet.Find(addr), rangeSet.End());
}
}
bool ok{};
ASSERT_THAT(rangeSet.Find(TIpv6Address::FromString("::1", ok)), Eq(rangeSet.End()));
ASSERT_FALSE(rangeSet.Contains(TIpv6Address::FromString("::1", ok)));
}
};
UNIT_TEST_SUITE_REGISTRATION(TIpRangeTests);
UNIT_TEST_SUITE_REGISTRATION(TRangeSetTests);
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