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87 lines
2.3 KiB
C++
87 lines
2.3 KiB
C++
#include <pqxx/time>
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#include <pqxx/transaction>
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#include "../test_helpers.hxx"
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namespace
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{
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#if defined(PQXX_HAVE_YEAR_MONTH_DAY)
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using namespace std::literals;
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void test_date_string_conversion()
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{
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pqxx::connection conn;
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pqxx::work tx{conn};
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std::tuple<int, unsigned, unsigned, std::string_view> const conversions[]{
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{-542, 1, 1, "0543-01-01 BC"sv},
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{-1, 2, 3, "0002-02-03 BC"sv},
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{0, 9, 14, "0001-09-14 BC"sv},
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{1, 12, 8, "0001-12-08"sv},
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{2021, 10, 24, "2021-10-24"sv},
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{10191, 8, 30, "10191-08-30"sv},
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{-4712, 1, 1, "4713-01-01 BC"sv},
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{32767, 12, 31, "32767-12-31"sv},
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{2000, 2, 29, "2000-02-29"sv},
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{2004, 2, 29, "2004-02-29"sv},
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// This one won't work in postgres, but we can test the conversions.
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{-32767, 11, 3, "32768-11-03 BC"sv},
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};
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for (auto const &[y, m, d, text] : conversions)
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{
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std::chrono::year_month_day const date{
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std::chrono::year{y}, std::chrono::month{m}, std::chrono::day{d}};
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PQXX_CHECK_EQUAL(
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pqxx::to_string(date), text, "Date did not convert right.");
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PQXX_CHECK_EQUAL(
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pqxx::from_string<std::chrono::year_month_day>(text), date,
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"Date did not parse right.");
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if (int{date.year()} > -4712)
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{
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// We can't test this for years before 4713 BC (4712 BCE), because
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// postgres doesn't handle earlier years.
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PQXX_CHECK_EQUAL(
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tx.query_value<std::string>(
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"SELECT '" + pqxx::to_string(date) + "'::date"),
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text, "Backend interpreted date differently.");
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}
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}
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std::string_view const invalid[]{
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""sv,
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"yesterday"sv,
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"1981-01"sv,
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"2010"sv,
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"2010-8-9"sv,
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"1900-02-29"sv,
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"2021-02-29"sv,
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"2000-11-29-3"sv,
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"1900-02-29"sv,
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"2003-02-29"sv,
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"12-12-12"sv,
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"0000-09-16"sv,
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"-01-01"sv,
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"-1000-01-01"sv,
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"1000-00-01"sv,
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"1000-01-00"sv,
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"2001y-01-01"sv,
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"10-09-08"sv,
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"0-01-01"sv,
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"0000-01-01"sv,
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"2021-13-01"sv,
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"2021-+02-01"sv,
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"2021-12-32"sv,
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};
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for (auto const text : invalid)
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PQXX_CHECK_THROWS(
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pqxx::ignore_unused(
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pqxx::from_string<std::chrono::year_month_day>(text)),
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pqxx::conversion_error,
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pqxx::internal::concat("Invalid date '", text, "' parsed as if valid."));
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}
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PQXX_REGISTER_TEST(test_date_string_conversion);
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#endif // PQXX_HAVE_YEAR_MONTH_DAY
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} // namespace
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