ZeroTierOne/ext/libpqxx-7.7.3/test/test76.cxx

#include <pqxx/nontransaction>

#include "test_helpers.hxx"

// Simple test program for libpqxx.  Test string conversion routines.
namespace
{
void test_076()
{
  pqxx::connection conn;
  pqxx::nontransaction tx{conn};

  auto RFalse{tx.exec1("SELECT 1=0")}, RTrue{tx.exec1("SELECT 1=1")};
  auto False{pqxx::from_string<bool>(RFalse[0])},
    True{pqxx::from_string<bool>(RTrue[0])};
  PQXX_CHECK(not False, "False bool converted to true.");
  PQXX_CHECK(True, "True bool converted to false.");

  RFalse = tx.exec1("SELECT " + pqxx::to_string(False));
  RTrue = tx.exec1("SELECT " + pqxx::to_string(True));
  False = pqxx::from_string<bool>(RFalse[0]);
  True = pqxx::from_string<bool>(RTrue[0]);
  PQXX_CHECK(not False, "False bool converted to true.");
  PQXX_CHECK(True, "True bool converted to false.");

  short const svals[]{-1, 1, 999, -32767, -32768, 32767, 0};
  for (int i{0}; svals[i] != 0; ++i)
  {
    auto s{pqxx::from_string<short>(pqxx::to_string(svals[i]))};
    PQXX_CHECK_EQUAL(s, svals[i], "short/string conversion not bijective.");
    s = pqxx::from_string<short>(
      tx.exec1("SELECT " + pqxx::to_string(svals[i]))[0].c_str());
    PQXX_CHECK_EQUAL(s, svals[i], "Roundtrip through backend changed short.");
  }

  unsigned short const uvals[]{1, 999, 32767, 32768, 65535, 0};
  for (int i{0}; uvals[i] != 0; ++i)
  {
    auto u{pqxx::from_string<unsigned short>(pqxx::to_string(uvals[i]))};
    PQXX_CHECK_EQUAL(
      u, uvals[i], "unsigned short/string conversion not bijective.");

    u = pqxx::from_string<unsigned short>(
      tx.exec1("SELECT " + pqxx::to_string(uvals[i]))[0].c_str());
    PQXX_CHECK_EQUAL(
      u, uvals[i], "Roundtrip through backend changed unsigned short.");
  }
}
} // namespace


PQXX_REGISTER_TEST(test_076);