mirror of
https://github.com/zerotier/ZeroTierOne.git
synced 2024-12-28 00:38:51 +00:00
85 lines
2.8 KiB
C++
85 lines
2.8 KiB
C++
#include <pqxx/transaction>
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#include "../test_helpers.hxx"
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namespace
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{
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void test_row()
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{
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pqxx::connection conn;
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pqxx::work tx{conn};
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pqxx::result rows{tx.exec("SELECT 1, 2, 3")};
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pqxx::row r{rows[0]};
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PQXX_CHECK_EQUAL(std::size(r), 3, "Unexpected row size.");
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PQXX_CHECK_EQUAL(r.at(0).as<int>(), 1, "Wrong value at index 0.");
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PQXX_CHECK(std::begin(r) != std::end(r), "Broken row iteration.");
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PQXX_CHECK(std::begin(r) < std::end(r), "Row begin does not precede end.");
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PQXX_CHECK(std::cbegin(r) == std::begin(r), "Wrong cbegin.");
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PQXX_CHECK(std::cend(r) == std::end(r), "Wrong cend.");
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PQXX_CHECK(std::rbegin(r) != std::rend(r), "Broken reverse row iteration.");
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PQXX_CHECK(std::crbegin(r) == std::rbegin(r), "Wrong crbegin.");
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PQXX_CHECK(std::crend(r) == std::rend(r), "Wrong crend.");
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PQXX_CHECK_EQUAL(r.front().as<int>(), 1, "Wrong row front().");
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PQXX_CHECK_EQUAL(r.back().as<int>(), 3, "Wrong row back().");
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}
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void test_row_iterator()
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{
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pqxx::connection conn;
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pqxx::work tx{conn};
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pqxx::result rows{tx.exec("SELECT 1, 2, 3")};
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auto i{std::begin(rows[0])};
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PQXX_CHECK_EQUAL(i->as<int>(), 1, "Row iterator is wrong.");
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auto i2{i};
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PQXX_CHECK_EQUAL(i2->as<int>(), 1, "Row iterator copy is wrong.");
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i2++;
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PQXX_CHECK_EQUAL(i2->as<int>(), 2, "Row iterator increment is wrong.");
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pqxx::row::const_iterator i3;
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i3 = i2;
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PQXX_CHECK_EQUAL(i3->as<int>(), 2, "Row iterator assignment is wrong.");
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auto r{std::rbegin(rows[0])};
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PQXX_CHECK_EQUAL(r->as<int>(), 3, "Row reverse iterator is wrong.");
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auto r2{r};
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PQXX_CHECK_EQUAL(r2->as<int>(), 3, "Row reverse iterator copy is wrong.");
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r2++;
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PQXX_CHECK_EQUAL(
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r2->as<int>(), 2, "Row reverse iterator increment is wrong.");
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pqxx::row::const_reverse_iterator r3;
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r3 = r2;
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PQXX_CHECK_EQUAL(
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i3->as<int>(), 2, "Row reverse iterator assignment is wrong.");
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}
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void test_row_as()
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{
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using pqxx::operator"" _zv;
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pqxx::connection conn;
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pqxx::work tx{conn};
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pqxx::row const r{tx.exec1("SELECT 1, 2, 3")};
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auto [one, two, three]{r.as<int, float, pqxx::zview>()};
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static_assert(std::is_same_v<decltype(one), int>);
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static_assert(std::is_same_v<decltype(two), float>);
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static_assert(std::is_same_v<decltype(three), pqxx::zview>);
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PQXX_CHECK_EQUAL(one, 1, "row::as() did not produce the right int.");
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PQXX_CHECK_GREATER(two, 1.9, "row::as() did not produce the right float.");
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PQXX_CHECK_LESS(two, 2.1, "row::as() did not produce the right float.");
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PQXX_CHECK_EQUAL(
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three, "3"_zv, "row::as() did not produce the right zview.");
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PQXX_CHECK_EQUAL(
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std::get<0>(tx.exec1("SELECT 999").as<int>()), 999,
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"Unary tuple did not extract right.");
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}
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PQXX_REGISTER_TEST(test_row);
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PQXX_REGISTER_TEST(test_row_iterator);
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PQXX_REGISTER_TEST(test_row_as);
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} // namespace
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