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Commit 9df837ea authored by Ken Chen's avatar Ken Chen Committed by Automerger Merge Worker
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Merge "Add test MdnsIPv6LinkLocalWithDefaultRoute" am: b6962029 

Original change: https://android-review.googlesource.com/c/platform/packages/modules/DnsResolver/+/2193095



Change-Id: I08341e0ba500673056c75aab31c91cd9dbd5ed61
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents 8977a916 b6962029

tests/resolv_integration_test.cpp

+39 −0
Original line number Diff line number Diff line
@@ -7585,6 +7585,45 @@ TEST_F(ResolverMultinetworkTest, IPv6LinkLocalWithDefaultRoute) { 
    EXPECT_EQ(GetNumQueriesForType(*dnsPair->dnsServer, ns_type::ns_t_aaaa, host_name), 0U);

}



// v6 mdns is expected to be sent when the IPv6 address is a link-local with a default route.

TEST_F(ResolverMultinetworkTest, MdnsIPv6LinkLocalWithDefaultRoute) {

    constexpr char v6addr[] = "::127.0.0.3";

    constexpr char v4addr[] = "127.0.0.3";

    constexpr char host_name[] = "hello.local.";

    ScopedPhysicalNetwork network = CreateScopedPhysicalNetwork(ConnectivityType::V4);

    ASSERT_RESULT_OK(network.init());



    // Add IPv6 default route

    ASSERT_TRUE(mDnsClient.netdService()

                        ->networkAddRoute(network.netId(), network.ifname(), "::/0", "")

                        .isOk());



    const Result<DnsServerPair> dnsPair = network.addIpv4Dns();

    ASSERT_RESULT_OK(dnsPair);

    StartDns(*dnsPair->dnsServer, {});



    ASSERT_TRUE(network.setDnsConfiguration());

    ASSERT_TRUE(network.startTunForwarder());



    test::DNSResponder mdnsv4("127.0.0.3", test::kDefaultMdnsListenService);

    test::DNSResponder mdnsv6("::1", test::kDefaultMdnsListenService);

    mdnsv4.setNetwork(network.netId());

    mdnsv6.setNetwork(network.netId());

    StartDns(mdnsv4, {{host_name, ns_type::ns_t_a, v4addr}});

    StartDns(mdnsv6, {{host_name, ns_type::ns_t_aaaa, v6addr}});



    auto result = android_getaddrinfofornet_wrapper("hello.local", network.netId());

    ASSERT_RESULT_OK(result);

    ScopedAddrinfo ai_result(std::move(result.value()));

    EXPECT_THAT(ToStrings(ai_result), testing::UnorderedElementsAreArray({v4addr, v6addr}));



    // make sure queries were sent & received via mdns.

    EXPECT_EQ(GetNumQueries(mdnsv4, host_name), 1U);

    EXPECT_EQ(GetNumQueries(mdnsv6, host_name), 1U);

    EXPECT_EQ(GetNumQueriesForType(*dnsPair->dnsServer, ns_type::ns_t_a, host_name), 0U);

    EXPECT_EQ(GetNumQueriesForType(*dnsPair->dnsServer, ns_type::ns_t_aaaa, host_name), 0U);

}



TEST_F(ResolverTest, NegativeValueInExperimentFlag) {

    // Test setting up different retry count and BASE_TIMEOUT_MSEC in DNS server.

    const struct TestConfig {