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https://github.com/zerotier/ZeroTierOne.git
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115 lines
3.0 KiB
C++
115 lines
3.0 KiB
C++
#include <locale>
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#include <pqxx/cursor>
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#include <pqxx/strconv>
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#include "test_helpers.hxx"
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using namespace pqxx;
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// Initial test program for libpqxx. Test functionality that doesn't require a
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// running database.
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namespace
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{
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template<typename T>
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inline void
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strconv(std::string const &type, T const &Obj, std::string const &expected)
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{
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std::string const Objstr{to_string(Obj)};
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PQXX_CHECK_EQUAL(Objstr, expected, "String mismatch for " + type + ".");
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T NewObj;
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from_string(Objstr, NewObj);
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PQXX_CHECK_EQUAL(
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to_string(NewObj), expected, "String mismatch for recycled " + type + ".");
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}
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// There's no from_string<char const *>()...
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inline void
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strconv(std::string const &type, char const Obj[], std::string const &expected)
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{
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std::string const Objstr(to_string(Obj));
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PQXX_CHECK_EQUAL(Objstr, expected, "String mismatch for " + type + ".");
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}
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constexpr double not_a_number{std::numeric_limits<double>::quiet_NaN()};
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struct intderef
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{
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template<typename ITER> int operator()(ITER i) const noexcept
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{
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return int(*i);
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}
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};
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void test_000()
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{
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PQXX_CHECK_EQUAL(
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oid_none, 0u,
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"InvalidIod is not zero as it used to be. This may conceivably "
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"cause problems in libpqxx.");
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PQXX_CHECK(
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cursor_base::prior() < 0 and cursor_base::backward_all() < 0,
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"cursor_base::difference_type appears to be unsigned.");
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constexpr char weird[]{"foo\t\n\0bar"};
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std::string const weirdstr(weird, std::size(weird) - 1);
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// Test string conversions
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strconv("char const[]", "", "");
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strconv("char const[]", "foo", "foo");
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strconv("int", 0, "0");
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strconv("int", 100, "100");
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strconv("int", -1, "-1");
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#if defined(_MSC_VER)
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long const long_min{LONG_MIN}, long_max{LONG_MAX};
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#else
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long const long_min{std::numeric_limits<long>::min()},
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long_max{std::numeric_limits<long>::max()};
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#endif
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std::stringstream lminstr, lmaxstr, llminstr, llmaxstr, ullmaxstr;
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lminstr.imbue(std::locale("C"));
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lmaxstr.imbue(std::locale("C"));
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llminstr.imbue(std::locale("C"));
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llmaxstr.imbue(std::locale("C"));
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ullmaxstr.imbue(std::locale("C"));
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lminstr << long_min;
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lmaxstr << long_max;
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auto const ullong_max{std::numeric_limits<unsigned long long>::max()};
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auto const llong_max{std::numeric_limits<long long>::max()},
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llong_min{std::numeric_limits<long long>::min()};
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llminstr << llong_min;
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llmaxstr << llong_max;
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ullmaxstr << ullong_max;
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strconv("long", 0, "0");
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strconv("long", long_min, lminstr.str());
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strconv("long", long_max, lmaxstr.str());
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strconv("double", not_a_number, "nan");
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strconv("string", std::string{}, "");
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strconv("string", weirdstr, weirdstr);
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strconv("long long", 0LL, "0");
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strconv("long long", llong_min, llminstr.str());
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strconv("long long", llong_max, llmaxstr.str());
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strconv("unsigned long long", 0ULL, "0");
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strconv("unsigned long long", ullong_max, ullmaxstr.str());
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std::stringstream ss;
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strconv("empty stringstream", ss, "");
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ss << -3.1415;
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strconv("stringstream", ss, ss.str());
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}
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PQXX_REGISTER_TEST(test_000);
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} // namespace
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