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ipprefix_ut.cpp
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ipprefix_ut.cpp
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#include <gtest/gtest.h>
#include "common/ipprefix.h"
using namespace std;
using namespace swss;
TEST(IpPrefix, ipv4)
{
IpPrefix ip1("1.1.1.1/0");
IpAddress mask1("0.0.0.0");
EXPECT_EQ(ip1.getMask(), mask1);
IpPrefix ip2("1.1.1.1/32");
IpAddress mask2("255.255.255.255");
EXPECT_EQ(ip2.getMask(), mask2);
IpPrefix ip3("192.168.0.1/27");
IpAddress bcast3("192.168.0.31");
EXPECT_EQ(ip3.getBroadcastIp(), bcast3);
IpPrefix ip4("10.1.1.1/24");
IpAddress bcast4("10.1.1.255");
EXPECT_EQ(ip4.getBroadcastIp(), bcast4);
ip_addr_t ip_addr;
ip_addr.family = AF_INET;
ip_addr.ip_addr.ipv4_addr = ip1.getIp().getIp().ip_addr.ipv4_addr;
IpPrefix ip5(ip_addr, 24);
EXPECT_EQ("1.1.1.1/24", ip5.to_string());
EXPECT_THROW(IpPrefix(ip_addr, 33), invalid_argument);
}
TEST(IpPrefix, ipv6)
{
IpAddress ip("2001:4898:f0:f153:357c:77b2:49c9:627c");
EXPECT_EQ(ip.to_string(), "2001:4898:f0:f153:357c:77b2:49c9:627c");
EXPECT_TRUE(!ip.isV4());
IpPrefix ipp0("2001:4898:f0:f153:357c:77b2:49c9:627c/0");
EXPECT_EQ(ipp0.getIp().to_string(), "2001:4898:f0:f153:357c:77b2:49c9:627c");
EXPECT_EQ(ipp0.getMask().to_string(), "::");
IpPrefix ipp1("2001:4898:f0:f153:357c:77b2:49c9:627c/1");
EXPECT_EQ(ipp1.getIp().to_string(), "2001:4898:f0:f153:357c:77b2:49c9:627c");
EXPECT_EQ(ipp1.getMask().to_string(), "8000::");
IpPrefix ipp63("2001:4898:f0:f153:357c:77b2:49c9:627c/63");
EXPECT_EQ(ipp63.getIp().to_string(), "2001:4898:f0:f153:357c:77b2:49c9:627c");
EXPECT_EQ(ipp63.getMask().to_string(), "ffff:ffff:ffff:fffe::");
IpPrefix ipp64("2001:4898:f0:f153:357c:77b2:49c9:627c/64");
EXPECT_EQ(ipp64.getIp().to_string(), "2001:4898:f0:f153:357c:77b2:49c9:627c");
EXPECT_EQ(ipp64.getMask().to_string(), "ffff:ffff:ffff:ffff::");
EXPECT_EQ(ipp64.getBroadcastIp().to_string(), "2001:4898:f0:f153:ffff:ffff:ffff:ffff");
IpPrefix ipp65("2001:4898:f0:f153:357c:77b2:49c9:627c/65");
EXPECT_EQ(ipp65.getIp().to_string(), "2001:4898:f0:f153:357c:77b2:49c9:627c");
EXPECT_EQ(ipp65.getMask().to_string(), "ffff:ffff:ffff:ffff:8000::");
EXPECT_EQ(ipp65.getBroadcastIp().to_string(), "2001:4898:f0:f153:7fff:ffff:ffff:ffff");
IpPrefix ipp127("2001:4898:f0:f153:357c:77b2:49c9:627c/127");
EXPECT_EQ(ipp127.getIp().to_string(), "2001:4898:f0:f153:357c:77b2:49c9:627c");
EXPECT_EQ(ipp127.getMask().to_string(), "ffff:ffff:ffff:ffff:ffff:ffff:ffff:fffe");
EXPECT_EQ(ipp127.getBroadcastIp().to_string(), "2001:4898:f0:f153:357c:77b2:49c9:627d");
IpPrefix ipp128("2001:4898:f0:f153:357c:77b2:49c9:627c/128");
EXPECT_EQ(ipp128.getIp().to_string(), "2001:4898:f0:f153:357c:77b2:49c9:627c");
EXPECT_EQ(ipp128.getMask().to_string(), "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff");
EXPECT_THROW(IpPrefix("2001:4898:f0:f153:357c:77b2:49c9:627c/-1"), invalid_argument);
EXPECT_THROW(IpPrefix("2001:4898:f0:f153:357c:77b2:49c9:627c/-2"), invalid_argument);
EXPECT_THROW(IpPrefix("2001:4898:f0:f153:357c:77b2:49c9:627c/129"), invalid_argument);
ip_addr_t ip_addr;
ip_addr.family = AF_INET6;
memcpy(ip_addr.ip_addr.ipv6_addr, ipp1.getIp().getIp().ip_addr.ipv6_addr, 16);
IpPrefix ip2(ip_addr, 64);
EXPECT_EQ("2001:4898:f0:f153:357c:77b2:49c9:627c/64", ip2.to_string());
EXPECT_THROW(IpPrefix(ip_addr, 129), invalid_argument);
}
TEST(IpPrefix, compare)
{
IpPrefix ip1("0.0.0.0/0");
IpPrefix ip2("::/0");
EXPECT_TRUE(ip1 < ip2);
EXPECT_TRUE(!(ip2 < ip1));
EXPECT_TRUE(!(ip1 == ip2));
}
TEST(IpPrefix, subnet)
{
IpPrefix prefix1("0.0.0.0/0");
IpPrefix prefix2("2.2.2.0/24");
IpPrefix prefix3("::/0");
IpPrefix prefix4("2001:4898:f0:f153:357c:77b2:49c9:627c/64");
IpPrefix prefix5("3.3.3.3/32");
IpPrefix prefix6("2001:4898:f0:f153:357c:77b2:49c9:627c/128");
IpAddress ip1("1.1.1.1");
IpAddress ip2("2.2.2.2");
IpAddress ip3("4002:4898:f0:f153:357c:77b2:0:627c");
IpAddress ip4("2001:4898:f0:f153:357c:77b2:0:627c");
IpAddress ip5("3.3.3.3");
IpAddress ip6("3.3.3.4");
IpAddress ip7("2001:4898:f0:f153:357c:77b2:49c9:627c");
IpAddress ip8("2001:4898:f0:f153:357c:77b2:49c9:627d");
// IPv4 address in IPv4 subnet
EXPECT_TRUE(prefix1.isAddressInSubnet(ip1));
EXPECT_FALSE(prefix2.isAddressInSubnet(ip1));
EXPECT_TRUE(prefix2.isAddressInSubnet(ip2));
EXPECT_TRUE(prefix5.isAddressInSubnet(ip5));
EXPECT_FALSE(prefix5.isAddressInSubnet(ip6));
// IPv6 address in IPv6 subnet
EXPECT_TRUE(prefix3.isAddressInSubnet(ip3));
EXPECT_FALSE(prefix4.isAddressInSubnet(ip3));
EXPECT_TRUE(prefix4.isAddressInSubnet(ip4));
EXPECT_TRUE(prefix6.isAddressInSubnet(ip7));
EXPECT_FALSE(prefix6.isAddressInSubnet(ip8));
// IPv4 address in IPv6 subnet
EXPECT_FALSE(prefix3.isAddressInSubnet(ip2));
EXPECT_FALSE(prefix4.isAddressInSubnet(ip2));
// IPv6 address in IPv4 subnet
EXPECT_FALSE(prefix1.isAddressInSubnet(ip3));
EXPECT_FALSE(prefix2.isAddressInSubnet(ip3));
}
TEST(IpPrefix, getSubnet)
{
// IPv4 prefixes
IpPrefix prefix1("1.1.1.0/0");
IpPrefix prefix2("1.1.1.191/24");
IpPrefix prefix3("1.1.1.191/26");
IpPrefix prefix4("1.1.191.1/20");
IpPrefix prefix5("2.2.2.2/32");
// IPv6 prefixes
IpPrefix prefix6("::/0");
IpPrefix prefix7("2001:4898:f0:f153:357c:77b2:49c9:627c/64");
IpPrefix prefix8("2001:4898:f0:f153:357c:77b2:49c9:627c/63");
IpPrefix prefix9("2001:4898:f0:f153:357c:77b2:49c9:627c/45");
IpPrefix prefix10("2001:4898:f0:f153:357c:77b2:49c9:627c/128");
EXPECT_EQ("0.0.0.0/0", prefix1.getSubnet().to_string());
EXPECT_EQ("1.1.1.0/24", prefix2.getSubnet().to_string());
EXPECT_EQ("1.1.1.128/26", prefix3.getSubnet().to_string());
EXPECT_EQ("1.1.176.0/20", prefix4.getSubnet().to_string());
EXPECT_EQ("2.2.2.2/32", prefix5.getSubnet().to_string());
EXPECT_EQ("::/0", prefix6.getSubnet().to_string());
EXPECT_EQ("2001:4898:f0:f153::/64", prefix7.getSubnet().to_string());
EXPECT_EQ("2001:4898:f0:f152::/63", prefix8.getSubnet().to_string());
EXPECT_EQ("2001:4898:f0::/45", prefix9.getSubnet().to_string());
EXPECT_EQ("2001:4898:f0:f153:357c:77b2:49c9:627c/128", prefix10.getSubnet().to_string());
}
TEST(IpPrefix, maskLen)
{
IpPrefix prefix1("0.0.0.0/0");
IpPrefix prefix2("1.1.1.1/24");
IpPrefix prefix3("1.1.1.1/32");
IpPrefix prefix4("::/0");
IpPrefix prefix5("2001:4898:f0:f153:357c:77b2:49c9:627c/64");
IpPrefix prefix6("2001:4898:f0:f153:357c:77b2:49c9:627c/128");
EXPECT_TRUE(prefix1.isDefaultRoute());
EXPECT_FALSE(prefix2.isDefaultRoute());
EXPECT_FALSE(prefix3.isDefaultRoute());
EXPECT_TRUE(prefix4.isDefaultRoute());
EXPECT_FALSE(prefix5.isDefaultRoute());
EXPECT_FALSE(prefix6.isDefaultRoute());
EXPECT_FALSE(prefix1.isFullMask());
EXPECT_FALSE(prefix2.isFullMask());
EXPECT_TRUE(prefix3.isFullMask());
EXPECT_FALSE(prefix4.isFullMask());
EXPECT_FALSE(prefix5.isFullMask());
EXPECT_TRUE(prefix6.isFullMask());
EXPECT_EQ(0, prefix1.getMaskLength());
EXPECT_EQ(24, prefix2.getMaskLength());
EXPECT_EQ(32, prefix3.getMaskLength());
EXPECT_EQ(0, prefix4.getMaskLength());
EXPECT_EQ(64, prefix5.getMaskLength());
EXPECT_EQ(128, prefix6.getMaskLength());
}