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#include "framework.test.h"
#include "backend.h"

LWS_CASE("backend::acount")
{
  using subaddrs = lwsf::internal::rpc::subaddrs;

  SETUP("empty with zero lookahead")
  {
    lwsf::internal::backend::account account{.lookahead = {}};
    account.subaccounts.emplace_back().detail.try_emplace(0);

    boost::container::flat_map<std::uint32_t, subaddrs> majors{};
    EXPECT(account.needed_subaddresses(majors) == 0);

    SECTION("standard lookahead")
    {
      account.lookahead = {50, 200};
      EXPECT(account.needed_subaddresses(majors) == 10000);

      account.subaccounts.back().last = 10;
      EXPECT(account.needed_subaddresses(majors) == 10010);

      account.subaccounts.emplace_back().last = 10;
      EXPECT(account.needed_subaddresses(majors) == 10220);
    }

    SECTION("standard lookahead with overlapping custom lookaheads")
    {
      account.lookahead = {50, 200};
      majors.try_emplace(0, subaddrs{}).first->second.value = {{10, 20}, {50, 155}};

      EXPECT(account.needed_subaddresses(majors) == 10000);
    }

    SECTION("standard lookahead with non-overlapping custom lookaheads")
    {
      account.lookahead = {50, 200};
      majors.try_emplace(0, subaddrs{}).first->second.value = {{199, 201}};
      majors.try_emplace(50, subaddrs{}).first->second.value = {{199, 201}};

      EXPECT(account.needed_subaddresses(majors) == 10005);
    }
  }
}