Function handcrafted_check_kv

subprojects/llama.cpp/tests/test-gguf.cpp:459–577

}

static bool handcrafted_check_kv(const gguf_context * gguf_ctx, const unsigned int seed, const bool has_tensors, const bool alignment_defined) {
    if (!gguf_ctx) {
        return false;
    }

    std::mt19937 rng(seed);

    std::vector<tensor_config_t> tensor_configs;
    if (has_tensors) {
        tensor_configs = get_tensor_configs(rng);
    }

    std::vector<std::pair<enum gguf_type, enum gguf_type>> kv_types = get_kv_types(rng);

    bool ok = true;

    for (int i = 0; i < int(kv_types.size()); ++i) {
        const enum gguf_type type     = gguf_type(kv_types[i].first);
        const enum gguf_type type_arr = gguf_type(kv_types[i].second);

        const std::string key = "my_key_" + std::to_string(i);

        uint32_t data[16];
        for (int j = 0; j < 16; ++j) {
            data[j] = rng();
            if (type == GGUF_TYPE_STRING || type_arr == GGUF_TYPE_STRING) {
                data[j] |= 0x01010101; // avoid random null-termination of string
            }
        }

        const char * data8 = reinterpret_cast<const char *>(data);
        const int id = gguf_find_key(gguf_ctx, key.c_str());

        if (type == GGUF_TYPE_STRING) {
            const char * str = gguf_get_val_str(gguf_ctx, id);
            const uint64_t n = strlen(str);
            const uint64_t n_expected = rng() % sizeof(data);
            if (n != n_expected) {
                ok = false;
                continue;
            }
            if (!std::equal(str, str + n, data8)) {
                ok = false;
            }
            continue;
        }

        if (type == GGUF_TYPE_ARRAY) {
            const size_t type_size = gguf_type_size(type_arr);
            const uint64_t arr_n = gguf_get_arr_n(gguf_ctx, id);

            if (type_arr == GGUF_TYPE_STRING) {
                const uint64_t nstr_expected = rng() % (16 + 1);
                if (arr_n != nstr_expected) {
                    ok = false;
                    continue;
                }
                for (uint64_t istr = 0; istr < nstr_expected; ++istr) {