Added ICMPv6 class. It's working. Option getters/setters are missing.

tests/src/icmpv6.cpp

@@ -0,0 +1,180 @@
+#include <gtest/gtest.h>
+#include <cstring>
+#include <string>
+#include <stdint.h>
+#include "icmpv6.h"
+#include "utils.h"
+#include "hw_address.h"
+
+using namespace Tins;
+
+class ICMPv6Test : public testing::Test {
+public:
+    static const uint8_t expected_packet[];
+    static const uint8_t expected_packet1[];
+
+    void test_equals(const ICMPv6 &icmp1, const ICMPv6 &icmp2);
+};
+
+const uint8_t ICMPv6Test::expected_packet[] = {
+    '\x88', '\x00', '\xdc', '\x15', '\xc0', '\x00', '\x00', '\x00', '?', 
+    '\xfe', '\x05', '\x07', '\x00', '\x00', '\x00', '\x01', '\x02', '`', 
+    '\x97', '\xff', '\xfe', '\x07', 'i', '\xea'
+};
+
+const uint8_t ICMPv6Test::expected_packet1[] = {
+    '\x86', '\x00', 'F', '%', '@', '\x00', '\x07', '\x08', '\x00', '\x00', 
+    'u', '0', '\x00', '\x00', '\x03', '\xe8', '\x01', '\x01', '\x00', '`', 
+    '\x97', '\x07', 'i', '\xea', '\x05', '\x01', '\x00', '\x00', '\x00', 
+    '\x00', '\x05', '\xdc', '\x03', '\x04', '@', '\xc0', '\x00', '6', 
+    '\xee', '\x80', '\x00', '6', '\xee', '\x80', '\x00', '\x00', '\x00', 
+    '\x00', '?', '\xfe', '\x05', '\x07', '\x00', '\x00', '\x00', '\x01', 
+    '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00'
+};
+
+TEST_F(ICMPv6Test, Constructor) {
+    ICMPv6 icmp;
+    EXPECT_EQ(icmp.type(), ICMPv6::ECHO_REQUEST);
+    EXPECT_EQ(icmp.code(), 0);
+    EXPECT_EQ(icmp.checksum(), 0);
+    EXPECT_EQ(icmp.identifier(), 0);
+    EXPECT_EQ(icmp.sequence(), 0);
+    EXPECT_EQ(icmp.override(), 0);
+    EXPECT_EQ(icmp.solicited(), 0);
+    EXPECT_EQ(icmp.router(), 0);
+    EXPECT_EQ(icmp.hop_limit(), 0);
+    EXPECT_EQ(icmp.router_pref(), 0);
+    EXPECT_EQ(icmp.home_agent(), 0);
+    EXPECT_EQ(icmp.other(), 0);
+    EXPECT_EQ(icmp.managed(), 0);
+    EXPECT_EQ(icmp.router_lifetime(), 0);
+}
+
+TEST_F(ICMPv6Test, ConstructorFromBuffer) {
+    ICMPv6 icmp(expected_packet, sizeof(expected_packet));
+    EXPECT_EQ(icmp.type(), ICMPv6::NEIGHBOUR_ADVERT);
+    EXPECT_EQ(icmp.code(), 0);
+    EXPECT_EQ(icmp.checksum(), 0xdc15);
+    EXPECT_EQ(icmp.solicited(), 1);
+    EXPECT_EQ(icmp.router(), 1);
+    EXPECT_EQ(icmp.override(), 0);
+    EXPECT_EQ(icmp.target_addr(), "3ffe:507:0:1:260:97ff:fe07:69ea");
+}
+
+TEST_F(ICMPv6Test, ConstructorFromBuffer2) {
+    ICMPv6 icmp(expected_packet1, sizeof(expected_packet1));
+    EXPECT_EQ(icmp.type(), ICMPv6::ROUTER_ADVERT);
+    EXPECT_EQ(icmp.code(), 0);
+    EXPECT_EQ(icmp.checksum(), 0x4625);
+    EXPECT_EQ(icmp.managed(), 0);
+    EXPECT_EQ(icmp.home_agent(), 0);
+    EXPECT_EQ(icmp.other(), 0);
+    EXPECT_EQ(icmp.router_pref(), 0);
+    EXPECT_EQ(icmp.router_lifetime(), 1800);
+    EXPECT_EQ(icmp.reachable_time(), 30000);
+    EXPECT_EQ(icmp.retransmit_timer(), 1000);
+    const ICMPv6::icmpv6_option *opt = icmp.search_option(ICMPv6::SOURCE_ADDRESS);
+    ASSERT_TRUE(opt);
+    EXPECT_EQ(opt->data_size(), 6);
+    EXPECT_EQ(HWAddress<6>(opt->data_ptr()), "00:60:97:07:69:ea");
+    
+    opt = icmp.search_option(ICMPv6::MTU);
+    ASSERT_TRUE(opt);
+    EXPECT_EQ(opt->data_size(), 6);
+    
+    opt = icmp.search_option(ICMPv6::PREFIX_INFO);
+    ASSERT_TRUE(opt);
+    EXPECT_EQ(opt->data_size(), 30);
+}
+
+TEST_F(ICMPv6Test, Type) {
+    ICMPv6 icmp;
+    icmp.type(ICMPv6::MLD2_REPORT);
+    EXPECT_EQ(icmp.type(), ICMPv6::MLD2_REPORT);
+}
+
+TEST_F(ICMPv6Test, Code) {
+    ICMPv6 icmp;
+    icmp.code(0x7a);
+    EXPECT_EQ(icmp.code(), 0x7a);
+}
+
+TEST_F(ICMPv6Test, Checksum) {
+    ICMPv6 icmp;
+    icmp.checksum(0x827f);
+    EXPECT_EQ(icmp.checksum(), 0x827f);
+}
+
+TEST_F(ICMPv6Test, Identifier) {
+    ICMPv6 icmp;
+    icmp.identifier(0x827f);
+    EXPECT_EQ(icmp.identifier(), 0x827f);
+}
+
+TEST_F(ICMPv6Test, Sequence) {
+    ICMPv6 icmp;
+    icmp.sequence(0x827f);
+    EXPECT_EQ(icmp.sequence(), 0x827f);
+}
+
+TEST_F(ICMPv6Test, Override) {
+    ICMPv6 icmp;
+    icmp.override(1);
+    EXPECT_EQ(icmp.override(), 1);
+    icmp.override(0);
+    EXPECT_EQ(icmp.override(), 0);
+}
+
+TEST_F(ICMPv6Test, Solicited) {
+    ICMPv6 icmp;
+    icmp.solicited(1);
+    EXPECT_EQ(icmp.solicited(), 1);
+    icmp.solicited(0);
+    EXPECT_EQ(icmp.solicited(), 0);
+}
+
+TEST_F(ICMPv6Test, Router) {
+    ICMPv6 icmp;
+    icmp.router(1);
+    EXPECT_EQ(icmp.router(), 1);
+    icmp.router(0);
+    EXPECT_EQ(icmp.router(), 0);
+}
+
+TEST_F(ICMPv6Test, RouterPref) {
+    ICMPv6 icmp;
+    icmp.router_pref(1);
+    EXPECT_EQ(icmp.router_pref(), 1);
+    icmp.router_pref(0);
+    EXPECT_EQ(icmp.router_pref(), 0);
+}
+
+TEST_F(ICMPv6Test, HomeAgent) {
+    ICMPv6 icmp;
+    icmp.home_agent(1);
+    EXPECT_EQ(icmp.home_agent(), 1);
+    icmp.home_agent(0);
+    EXPECT_EQ(icmp.home_agent(), 0);
+}
+
+TEST_F(ICMPv6Test, Other) {
+    ICMPv6 icmp;
+    icmp.other(1);
+    EXPECT_EQ(icmp.other(), 1);
+    icmp.other(0);
+    EXPECT_EQ(icmp.other(), 0);
+}
+
+TEST_F(ICMPv6Test, Managed) {
+    ICMPv6 icmp;
+    icmp.managed(1);
+    EXPECT_EQ(icmp.managed(), 1);
+    icmp.managed(0);
+    EXPECT_EQ(icmp.managed(), 0);
+}
+
+TEST_F(ICMPv6Test, RTLifetime) {
+    ICMPv6 icmp;
+    icmp.router_lifetime(0x827f);
+    EXPECT_EQ(icmp.router_lifetime(), 0x827f);
+}