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58 lines
1.8 KiB
C++
58 lines
1.8 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_field()
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{
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pqxx::connection c;
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pqxx::work tx{c};
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auto const r1{tx.exec1("SELECT 9")};
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auto const &f1{r1[0]};
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PQXX_CHECK_EQUAL(f1.as<std::string>(), "9", "as<string>() is broken.");
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PQXX_CHECK_EQUAL(
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f1.as<std::string>("z"), "9", "as<string>(string) is broken.");
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PQXX_CHECK_EQUAL(f1.as<int>(), 9, "as<int>() is broken.");
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PQXX_CHECK_EQUAL(f1.as<int>(10), 9, "as<int>(int) is broken.");
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std::string s;
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PQXX_CHECK(f1.to(s), "to(string) failed.");
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PQXX_CHECK_EQUAL(s, "9", "to(string) is broken.");
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s = "x";
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PQXX_CHECK(f1.to(s, std::string{"7"}), "to(string, string) failed.");
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PQXX_CHECK_EQUAL(s, "9", "to(string, string) is broken.");
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int i{};
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PQXX_CHECK(f1.to(i), "to(int) failed.");
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PQXX_CHECK_EQUAL(i, 9, "to(int) is broken.");
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i = 8;
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PQXX_CHECK(f1.to(i, 12), "to(int, int) failed.");
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PQXX_CHECK_EQUAL(i, 9, "to(int, int) is broken.");
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auto const r2{tx.exec1("SELECT NULL")};
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auto const f2{r2[0]};
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i = 100;
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PQXX_CHECK_THROWS(
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f2.as<int>(), pqxx::conversion_error, "Null conversion failed to throw.");
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PQXX_CHECK_EQUAL(i, 100, "Null conversion touched its output.");
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PQXX_CHECK_EQUAL(f2.as<int>(66), 66, "as<int> default is broken.");
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PQXX_CHECK(!(f2.to(i)), "to(int) failed to report a null.");
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PQXX_CHECK(!(f2.to(i, 54)), "to(int, int) failed to report a null.");
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PQXX_CHECK_EQUAL(i, 54, "to(int, int) failed to default.");
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auto const r3{tx.exec("SELECT generate_series(1, 5)")};
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PQXX_CHECK_EQUAL(r3.at(3, 0).as<int>(), 4, "Two-argument at() went wrong.");
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#if defined(PQXX_HAVE_MULTIDIMENSIONAL_SUBSCRIPT)
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PQXX_CHECK_EQUAL((r3[3, 0].as<int>()), 4, "Two-argument [] went wrong.");
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#endif
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}
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PQXX_REGISTER_TEST(test_field);
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} // namespace
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