tests/unit/test_network_name.cpp

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#include "common/code_utils.hpp"
#include "common/debug.hpp"
#include "meshcop/network_name.hpp"

#include "test_util.h"

namespace ot {

void CompareNetworkName(const MeshCoP::NetworkName &aNetworkName, const char *aNameString)
{
    uint8_t len = static_cast<uint8_t>(strlen(aNameString));

    VerifyOrQuit(strcmp(aNetworkName.GetAsCString(), aNameString) == 0);

    VerifyOrQuit(aNetworkName.GetAsData().GetLength() == len);
    VerifyOrQuit(memcmp(aNetworkName.GetAsData().GetBuffer(), aNameString, len) == 0);
}

void TestNetworkName(void)
{
    const char kEmptyName[]   = "";
    const char kName1[]       = "network";
    const char kName2[]       = "network-name";
    const char kLongName[]    = "0123456789abcdef";
    const char kTooLongName[] = "0123456789abcdef0";

    char                 buffer[sizeof(kTooLongName) + 2];
    uint8_t              len;
    MeshCoP::NetworkName networkName;
    MeshCoP::NetworkName networkName2;

    CompareNetworkName(networkName, kEmptyName);

    SuccessOrQuit(networkName.Set(MeshCoP::NameData(kName1, sizeof(kName1))));
    CompareNetworkName(networkName, kName1);

    VerifyOrQuit(networkName.Set(MeshCoP::NameData(kName1, sizeof(kName1))) == kErrorAlready,
                 "failed to detect duplicate");
    CompareNetworkName(networkName, kName1);

    VerifyOrQuit(networkName.Set(MeshCoP::NameData(kName1, sizeof(kName1) - 1)) == kErrorAlready,
                 "failed to detect duplicate");

    SuccessOrQuit(networkName.Set(MeshCoP::NameData(kName2, sizeof(kName2))));
    CompareNetworkName(networkName, kName2);

    SuccessOrQuit(networkName.Set(MeshCoP::NameData(kEmptyName, 0)));
    CompareNetworkName(networkName, kEmptyName);

    SuccessOrQuit(networkName.Set(MeshCoP::NameData(kLongName, sizeof(kLongName))));
    CompareNetworkName(networkName, kLongName);

    VerifyOrQuit(networkName.Set(MeshCoP::NameData(kLongName, sizeof(kLongName) - 1)) == kErrorAlready,
                 "failed to detect duplicate");

    SuccessOrQuit(networkName.Set(MeshCoP::NameData(kName1, sizeof(kName1))));

    VerifyOrQuit(networkName.Set(MeshCoP::NameData(kTooLongName, sizeof(kTooLongName))) == kErrorInvalidArgs,
                 "accepted an invalid (too long) name");

    CompareNetworkName(networkName, kName1);

    memset(buffer, 'a', sizeof(buffer));
    len = networkName.GetAsData().CopyTo(buffer, 1);
    VerifyOrQuit(len == 1, "NameData::CopyTo() failed");
    VerifyOrQuit(buffer[0] == kName1[0], "NameData::CopyTo() failed");
    VerifyOrQuit(buffer[1] == 'a', "NameData::CopyTo() failed");

    memset(buffer, 'a', sizeof(buffer));
    len = networkName.GetAsData().CopyTo(buffer, sizeof(kName1) - 1);
    VerifyOrQuit(len == sizeof(kName1) - 1, "NameData::CopyTo() failed");
    VerifyOrQuit(memcmp(buffer, kName1, sizeof(kName1) - 1) == 0, "NameData::CopyTo() failed");
    VerifyOrQuit(buffer[sizeof(kName1)] == 'a', "NameData::CopyTo() failed");

    memset(buffer, 'a', sizeof(buffer));
    len = networkName.GetAsData().CopyTo(buffer, sizeof(buffer));
    VerifyOrQuit(len == sizeof(kName1) - 1, "NameData::CopyTo() failed");
    VerifyOrQuit(memcmp(buffer, kName1, sizeof(kName1) - 1) == 0, "NameData::CopyTo() failed");
    VerifyOrQuit(buffer[sizeof(kName1)] == 0, "NameData::CopyTo() failed");

    SuccessOrQuit(networkName2.Set(MeshCoP::NameData(kName1, sizeof(kName1))));
    VerifyOrQuit(networkName == networkName2);

    SuccessOrQuit(networkName2.Set(kName2));
    VerifyOrQuit(networkName != networkName2);
}

} // namespace ot

int main(void)
{
    ot::TestNetworkName();
    printf("All tests passed\n");
    return 0;
}