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mysql/test/unit/field_view.cpp
Ruben Perez 3d83d2f6a9 field_view constexpr fns tests
2022-09-29 23:52:01 +02:00

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//
// Copyright (c) 2019-2022 Ruben Perez Hidalgo (rubenperez038 at gmail dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include <boost/mysql/field_view.hpp>
#include <boost/mysql/field.hpp>
#include <boost/mysql/detail/auxiliar/stringize.hpp>
#include <boost/test/tools/context.hpp>
#include <boost/test/unit_test_suite.hpp>
#include <cstddef>
#include <cstdint>
#include <sstream>
#include <vector>
#include "test_common.hpp"
BOOST_TEST_DONT_PRINT_LOG_VALUE(boost::mysql::date)
BOOST_TEST_DONT_PRINT_LOG_VALUE(boost::mysql::datetime)
BOOST_TEST_DONT_PRINT_LOG_VALUE(boost::mysql::time)
using namespace boost::mysql::test;
using boost::mysql::field_view;
using boost::mysql::field;
using boost::mysql::field_kind;
using boost::mysql::detail::stringize;
namespace
{
BOOST_AUTO_TEST_SUITE(test_field_view)
BOOST_AUTO_TEST_SUITE(constructors)
BOOST_AUTO_TEST_CASE(default_constructor)
{
field_view v;
BOOST_TEST(v.is_null());
}
BOOST_AUTO_TEST_CASE(copy)
{
field_view v (32);
field_view v2 (v);
BOOST_TEST(v2.as_int64() == 32);
}
BOOST_AUTO_TEST_CASE(move)
{
field_view v (field_view(32));
BOOST_TEST(v.as_int64() == 32);
}
BOOST_AUTO_TEST_CASE(from_nullptr)
{
field_view v(nullptr);
BOOST_TEST(v.is_null());
}
BOOST_AUTO_TEST_CASE(from_u8)
{
field_view v(std::uint8_t(0xfe));
BOOST_TEST(v.as_uint64() == 0xfe);
}
BOOST_AUTO_TEST_CASE(from_u16)
{
field_view v(std::uint16_t(0xfefe));
BOOST_TEST(v.as_uint64() == 0xfefe);
}
BOOST_AUTO_TEST_CASE(from_u32)
{
field_view v(std::uint32_t(0xfefefefe));
BOOST_TEST(v.as_uint64() == 0xfefefefe);
}
BOOST_AUTO_TEST_CASE(from_u64)
{
field_view v(std::uint64_t(0xfefefefefefefefe));
BOOST_TEST(v.as_uint64() == 0xfefefefefefefefe);
}
BOOST_AUTO_TEST_CASE(from_s8)
{
field_view v(std::int8_t(-1));
BOOST_TEST(v.as_int64() == -1);
}
BOOST_AUTO_TEST_CASE(from_s16)
{
field_view v(std::int16_t(-1));
BOOST_TEST(v.as_int64() == -1);
}
BOOST_AUTO_TEST_CASE(from_s32)
{
field_view v(std::int32_t(-1));
BOOST_TEST(v.as_int64() == -1);
}
BOOST_AUTO_TEST_CASE(from_s64)
{
field_view v(std::int64_t(-1));
BOOST_TEST(v.as_int64() == -1);
}
BOOST_AUTO_TEST_CASE(from_char_array)
{
field_view v("test");
BOOST_TEST(v.as_string() == "test");
}
BOOST_AUTO_TEST_CASE(from_c_str)
{
const char* str = "test";
field_view v(str);
BOOST_TEST(v.as_string() == "test");
}
BOOST_AUTO_TEST_CASE(from_string_view)
{
boost::string_view sv ("test123", 4);
field_view v(sv);
BOOST_TEST(v.as_string() == "test");
}
BOOST_AUTO_TEST_CASE(from_float)
{
field_view v(4.2f);
BOOST_TEST(v.as_float() == 4.2f);
}
BOOST_AUTO_TEST_CASE(from_double)
{
field_view v(4.2);
BOOST_TEST(v.as_double() == 4.2);
}
BOOST_AUTO_TEST_CASE(from_date)
{
auto d = makedate(2022, 4, 1);
field_view v (d);
BOOST_TEST(v.as_date() == d);
}
BOOST_AUTO_TEST_CASE(from_datetime)
{
auto d = makedt(2022, 4, 1, 21);
field_view v (d);
BOOST_TEST(v.as_datetime() == d);
}
BOOST_AUTO_TEST_CASE(from_time)
{
auto t = maket(20, 10, 1);
field_view v (t);
BOOST_TEST(v.as_time() == t);
}
BOOST_AUTO_TEST_SUITE_END()
BOOST_AUTO_TEST_SUITE(accesors)
// Owning fields, to create references to them in the table below
field f_null;
field f_int64 (50);
field f_uint64 (50u);
field f_string ("long_test_string");
field f_float (4.2f);
field f_double (5.0);
field f_date (makedate(2020, 1, 1));
field f_datetime (makedt(2019, 1, 1));
field f_time (maket(9, 1, 0));
struct
{
const char* name;
field_view field;
field_kind expected_kind;
bool is_null, is_int64, is_uint64, is_string, is_float, is_double, is_date, is_datetime, is_time;
} test_cases [] = {
// name field kind null, i64 u64 str float double date dt time
{ "null", field_view(), field_kind::null, true, false, false, false, false, false, false, false, false },
{ "int64", field_view(42), field_kind::int64, false, true, false, false, false, false, false, false, false },
{ "uint64", field_view(42u), field_kind::uint64, false, false, true, false, false, false, false, false, false },
{ "string", field_view("test"), field_kind::string, false, false, false, true, false, false, false, false, false },
{ "float", field_view(4.2f), field_kind::float_, false, false, false, false, true, false, false, false, false },
{ "double", field_view(4.2), field_kind::double_, false, false, false, false, false, true, false, false, false },
{ "date", field_view(makedate(2020, 1, 1)), field_kind::date, false, false, false, false, false, false, true, false, false },
{ "datetime", field_view(makedt(2020, 1, 1)), field_kind::datetime, false, false, false, false, false, false, false, true, false },
{ "time", field_view(maket(20, 1, 1)), field_kind::time, false, false, false, false, false, false, false, false, true },
{ "ref_null", field_view(f_null), field_kind::null, true, false, false, false, false, false, false, false, false },
{ "ref_int64", field_view(f_int64), field_kind::int64, false, true, false, false, false, false, false, false, false },
{ "ref_uint64", field_view(f_uint64), field_kind::uint64, false, false, true, false, false, false, false, false, false },
{ "ref_string", field_view(f_string), field_kind::string, false, false, false, true, false, false, false, false, false },
{ "ref_float", field_view(f_float), field_kind::float_, false, false, false, false, true, false, false, false, false },
{ "ref_double", field_view(f_double), field_kind::double_, false, false, false, false, false, true, false, false, false },
{ "ref_date", field_view(f_date), field_kind::date, false, false, false, false, false, false, true, false, false },
{ "ref_datetime", field_view(f_datetime), field_kind::datetime, false, false, false, false, false, false, false, true, false },
{ "ref_time", field_view(f_time), field_kind::time, false, false, false, false, false, false, false, false, true },
};
BOOST_AUTO_TEST_CASE(kind)
{
for (const auto& tc : test_cases)
{
BOOST_TEST(tc.field.kind() == tc.expected_kind, tc.name);
}
}
BOOST_AUTO_TEST_CASE(is)
{
for (const auto& tc : test_cases)
{
BOOST_TEST_CONTEXT(tc.name)
{
BOOST_TEST(tc.field.is_null() == tc.is_null);
BOOST_TEST(tc.field.is_int64() == tc.is_int64);
BOOST_TEST(tc.field.is_uint64() == tc.is_uint64);
BOOST_TEST(tc.field.is_string() == tc.is_string);
BOOST_TEST(tc.field.is_float() == tc.is_float);
BOOST_TEST(tc.field.is_double() == tc.is_double);
BOOST_TEST(tc.field.is_date() == tc.is_date);
BOOST_TEST(tc.field.is_datetime() == tc.is_datetime);
BOOST_TEST(tc.field.is_time() == tc.is_time);
}
}
}
BOOST_AUTO_TEST_CASE(as_exceptions)
{
for (const auto& tc : test_cases)
{
BOOST_TEST_CONTEXT(tc.name)
{
if (tc.is_int64)
BOOST_CHECK_NO_THROW(tc.field.as_int64());
else
BOOST_CHECK_THROW(tc.field.as_int64(), boost::mysql::bad_field_access);
if (tc.is_uint64)
BOOST_CHECK_NO_THROW(tc.field.as_uint64());
else
BOOST_CHECK_THROW(tc.field.as_uint64(), boost::mysql::bad_field_access);
if (tc.is_string)
BOOST_CHECK_NO_THROW(tc.field.as_string());
else
BOOST_CHECK_THROW(tc.field.as_string(), boost::mysql::bad_field_access);
if (tc.is_float)
BOOST_CHECK_NO_THROW(tc.field.as_float());
else
BOOST_CHECK_THROW(tc.field.as_float(), boost::mysql::bad_field_access);
if (tc.is_double)
BOOST_CHECK_NO_THROW(tc.field.as_double());
else
BOOST_CHECK_THROW(tc.field.as_double(), boost::mysql::bad_field_access);
if (tc.is_date)
BOOST_CHECK_NO_THROW(tc.field.as_date());
else
BOOST_CHECK_THROW(tc.field.as_date(), boost::mysql::bad_field_access);
if (tc.is_datetime)
BOOST_CHECK_NO_THROW(tc.field.as_datetime());
else
BOOST_CHECK_THROW(tc.field.as_datetime(), boost::mysql::bad_field_access);
if (tc.is_time)
BOOST_CHECK_NO_THROW(tc.field.as_time());
else
BOOST_CHECK_THROW(tc.field.as_time(), boost::mysql::bad_field_access);
}
}
}
// Success cases (the type matches the called function)
BOOST_AUTO_TEST_CASE(int64)
{
field_view f (-1);
BOOST_TEST(f.as_int64() == -1);
BOOST_TEST(f.get_int64() == -1);
}
BOOST_AUTO_TEST_CASE(uint64)
{
field_view f (42u);
BOOST_TEST(f.as_uint64() == 42u);
BOOST_TEST(f.get_uint64() == 42u);
}
BOOST_AUTO_TEST_CASE(string)
{
field_view f ("test");
BOOST_TEST(f.as_string() == "test");
BOOST_TEST(f.get_string() == "test");
}
BOOST_AUTO_TEST_CASE(float_)
{
field_view f (4.2f);
BOOST_TEST(f.as_float() == 4.2f);
BOOST_TEST(f.get_float() == 4.2f);
}
BOOST_AUTO_TEST_CASE(double_)
{
field_view f (4.2);
BOOST_TEST(f.as_double() == 4.2);
BOOST_TEST(f.get_double() == 4.2);
}
BOOST_AUTO_TEST_CASE(date)
{
auto d = makedate(2020, 1, 2);
field_view f (d);
BOOST_TEST(f.as_date() == d);
BOOST_TEST(f.get_date() == d);
}
BOOST_AUTO_TEST_CASE(datetime)
{
auto dt = makedt(2020, 1, 2);
field_view f (dt);
BOOST_TEST(f.as_datetime() == dt);
BOOST_TEST(f.get_datetime() == dt);
}
BOOST_AUTO_TEST_CASE(time)
{
auto t = maket(2020, 1, 2);
field_view f (t);
BOOST_TEST(f.as_time() == t);
BOOST_TEST(f.get_time() == t);
}
BOOST_AUTO_TEST_CASE(ref_int64)
{
field f (-1);
field_view fv (f);
BOOST_TEST(fv.as_int64() == -1);
BOOST_TEST(fv.get_int64() == -1);
}
BOOST_AUTO_TEST_CASE(ref_uint64)
{
field f (42u);
field_view fv (f);
BOOST_TEST(fv.as_uint64() == 42u);
BOOST_TEST(fv.get_uint64() == 42u);
}
BOOST_AUTO_TEST_CASE(ref_string)
{
field f ("test");
field_view fv (f);
BOOST_TEST(fv.as_string() == "test");
BOOST_TEST(fv.get_string() == "test");
}
BOOST_AUTO_TEST_CASE(ref_float)
{
field f (4.2f);
field_view fv (f);
BOOST_TEST(fv.as_float() == 4.2f);
BOOST_TEST(fv.get_float() == 4.2f);
}
BOOST_AUTO_TEST_CASE(ref_double)
{
field f (4.2);
field_view fv (f);
BOOST_TEST(fv.as_double() == 4.2);
BOOST_TEST(fv.get_double() == 4.2);
}
BOOST_AUTO_TEST_CASE(ref_date)
{
auto d = makedate(2020, 1, 2);
field f (d);
field_view fv (f);
BOOST_TEST(fv.as_date() == d);
BOOST_TEST(fv.get_date() == d);
}
BOOST_AUTO_TEST_CASE(ref_datetime)
{
auto dt = makedt(2020, 1, 2);
field f (dt);
field_view fv (f);
BOOST_TEST(fv.as_datetime() == dt);
BOOST_TEST(fv.get_datetime() == dt);
}
BOOST_AUTO_TEST_CASE(ref_time)
{
auto t = maket(2020, 1, 2);
field f (t);
field_view fv (t);
BOOST_TEST(fv.as_time() == t);
BOOST_TEST(fv.get_time() == t);
}
BOOST_AUTO_TEST_SUITE_END()
BOOST_AUTO_TEST_CASE(operator_equals)
{
struct
{
const char* name;
field_view f1;
field_view f2;
bool is_equal;
} test_cases [] = {
{ "null_null", field_view(), field_view(), true, },
{ "null_int64", field_view(), field_view(-1), false },
{ "null_uint64", field_view(), field_view(42), false },
{ "null_string", field_view(), field_view("<NULL>"), false },
{ "null_float", field_view(), field_view(4.2f), false },
{ "null_double", field_view(), field_view(4.3), false },
{ "null_date", field_view(), field_view(makedate(2020, 1, 2)), false },
{ "null_datetime", field_view(), field_view(makedt(2020, 1, 1)), false },
{ "null_time", field_view(), field_view(maket(23, 1, 1)), false },
{ "int64_int64_same", field_view(42), field_view(42), true },
{ "int64_int64_different", field_view(42), field_view(-1), false },
{ "int64_uint64_same", field_view(42), field_view(42u), true },
{ "int64_uint64_different", field_view(42), field_view(43u), false },
{ "int64_uint64_zero", field_view(0), field_view(0u), true },
{ "int64_uint64_lt0", field_view(-1), field_view(42u), false },
{ "int64_uint64_gtmax", field_view(42), field_view(0xffffffffffffffffu), false },
{ "int64_uint64_lt0gtmax", field_view(-1), field_view(0xffffffffffffffffu), false },
{ "int64_string", field_view(42), field_view("42"), false },
{ "int64_float", field_view(42), field_view(42.0f), false },
{ "int64_double", field_view(42), field_view(42.0), false },
{ "int64_date", field_view(42), field_view(makedate(2020, 1, 1)), false },
{ "int64_datetime", field_view(42), field_view(makedt(2020, 1, 1)), false },
{ "int64_time", field_view(42), field_view(maket(20, 1, 1)), false },
{ "uint64_uint64_same", field_view(0xffffffffffffffffu), field_view(0xffffffffffffffffu), true },
{ "uint64_uint64_different", field_view(42u), field_view(31u), false },
{ "uint64_string", field_view(42u), field_view("42"), false },
{ "uint64_float", field_view(42u), field_view(42.0f), false },
{ "uint64_double", field_view(42u), field_view(42.0), false },
{ "uint64_date", field_view(42u), field_view(makedate(2020, 1, 1)), false },
{ "uint64_datetime", field_view(42u), field_view(makedt(2020, 1, 1)), false },
{ "uint64_time", field_view(42u), field_view(maket(20, 1, 1)), false },
{ "string_string_same", field_view("test"), field_view("test"), true },
{ "string_string_different", field_view("test"), field_view("test2"), false },
{ "string_float", field_view("4.2"), field_view(4.2f), false },
{ "string_double", field_view("4.2"), field_view(4.2), false },
{ "string_date", field_view("2020-01-01"), field_view(makedate(2020, 1, 1)), false },
{ "string_datetime", field_view("test"), field_view(makedt(2020, 1, 1)), false },
{ "string_time", field_view("test"), field_view(maket(8, 1, 1)), false },
{ "float_float_same", field_view(4.2f), field_view(4.2f), true },
{ "float_float_different", field_view(4.2f), field_view(0.0f), false },
{ "float_double", field_view(4.2f), field_view(4.2), false },
{ "float_date", field_view(4.2f), field_view(makedate(2020, 1, 2)), false },
{ "float_datetime", field_view(4.2f), field_view(makedt(2020, 1, 2)), false },
{ "float_time", field_view(4.2f), field_view(maket(20, 1, 2)), false },
{ "double_double_same", field_view(4.2), field_view(4.2), true },
{ "double_double_different", field_view(4.2), field_view(-1.0), false },
{ "double_date", field_view(4.2), field_view(makedate(2020, 1, 1)), false },
{ "double_datetime", field_view(4.2), field_view(makedt(2020, 1, 1)), false },
{ "double_time", field_view(4.2), field_view(maket(9, 1, 1)), false },
{ "date_date_same", field_view(makedate(2020, 1, 1)), field_view(makedate(2020, 1, 1)), true },
{ "date_date_different", field_view(makedate(2020, 1, 1)), field_view(makedate(2019, 1, 1)), false },
{ "date_datetime", field_view(makedate(2020, 1, 1)), field_view(makedt(2020, 1, 1)), false },
{ "date_time", field_view(makedate(2020, 1, 1)), field_view(maket(9, 1, 1)), false },
{ "datetime_datetime_same", field_view(makedt(2020, 1, 1, 10)), field_view(makedt(2020, 1, 1, 10)), true },
{ "datetime_datetime_different", field_view(makedt(2020, 1, 1, 10)), field_view(makedt(2020, 1, 1, 9)), false },
{ "datetime_time", field_view(makedt(2020, 1, 1)), field_view(maket(20, 1, 1)), false },
{ "time_time_same", field_view(maket(20, 1, 1)), field_view(maket(20, 1, 1)), true },
{ "time_time_different", field_view(maket(20, 1, 1)), field_view(maket(20, 1, 1, 10)), false },
};
for (const auto& tc : test_cases)
{
BOOST_TEST_CONTEXT(tc.name)
{
// We compare regular field_view's and field_view's holding
// pointers to fields, using the same cases to reduce duplication
field owning_1 (tc.f1);
field owning_2 (tc.f2);
field_view f1 = tc.f1;
field_view f2 = tc.f2;
field_view fref1 (owning_1);
field_view fref2 (owning_2);
if (tc.is_equal)
{
BOOST_TEST(f1 == f2);
BOOST_TEST(f2 == f1);
BOOST_TEST(fref1 == fref2);
BOOST_TEST(fref2 == fref1);
BOOST_TEST(f1 == fref2);
BOOST_TEST(fref2 == f1);
BOOST_TEST(!(f1 != f2));
}
else
{
BOOST_TEST(!(f1 == f2));
BOOST_TEST(!(f2 == f1));
BOOST_TEST(!(fref1 == fref2));
BOOST_TEST(!(fref2 == fref1));
BOOST_TEST(!(f1 == fref2));
BOOST_TEST(!(fref2 == f1));
BOOST_TEST(tc.f1 != tc.f2);
BOOST_TEST(tc.f2 != tc.f1);
}
}
}
}
BOOST_AUTO_TEST_CASE(operator_equals_self_compare)
{
struct
{
const char* name;
field_view f;
} test_cases [] = {
{ "null", field_view() },
{ "int64", field_view(40), },
{ "uint64", field_view(42u) },
{ "string", field_view("test") },
{ "float", field_view(4.2f) },
{ "double", field_view(5.0) },
{ "date", field_view(makedate(2020, 1, 1)) },
{ "datetime", field_view(makedt(2020, 1, 1)) },
{ "time", field_view(maket(8, 1, 1)) }
};
for (const auto& tc : test_cases)
{
// Regular field_view
BOOST_TEST(tc.f == tc.f);
// Reference to an owning field
field owning_field (tc.f);
field_view fref (owning_field);
BOOST_TEST(fref == fref);
}
}
// operator<<
struct stream_sample
{
std::string name;
field_view input;
std::string expected;
template <class T>
stream_sample(std::string&& name, const T& input, std::string&& expected) :
name(std::move(name)),
input(input),
expected(std::move(expected))
{
}
};
// Helper struct to define stream operations for date, datetime and time
// We will list the possibilities for each component (hours, minutes, days...) and will
// take the Cartessian product of all them
struct component_value
{
const char* name;
int v;
const char* repr;
};
void add_date_samples(std::vector<stream_sample>& output)
{
constexpr component_value year_values [] = {
{ "min", 0, "0000" },
{ "onedig", 1, "0001" },
{ "twodig", 98, "0098" },
{ "threedig", 789, "0789" },
{ "regular", 1999, "1999" },
{ "max", 9999, "9999" }
};
constexpr component_value month_values [] = {
{ "min", 1, "01" },
{ "max", 12, "12" }
};
constexpr component_value day_values [] = {
{ "min", 1, "01" },
{ "max", 31, "31" }
};
for (const auto& year : year_values)
{
for (const auto& month : month_values)
{
for (const auto& day : day_values)
{
std::string name = stringize(
"date_year", year.name,
"_month", month.name,
"_day", day.name
);
std::string str_val = stringize(year.repr, '-', month.repr, '-', day.repr);
field_view val (makedate(year.v, static_cast<unsigned>(month.v), static_cast<unsigned>(day.v)));
output.emplace_back(std::move(name), val, std::move(str_val));
}
}
}
}
void add_datetime_samples(std::vector<stream_sample>& output)
{
constexpr component_value year_values [] = {
{ "min", 0, "0000" },
{ "onedig", 1, "0001" },
{ "twodig", 98, "0098" },
{ "threedig", 789, "0789" },
{ "regular", 1999, "1999" },
{ "max", 9999, "9999" }
};
constexpr component_value month_values [] = {
{ "min", 1, "01" },
{ "max", 12, "12" }
};
constexpr component_value day_values [] = {
{ "min", 1, "01" },
{ "max", 31, "31" }
};
constexpr component_value hours_values [] = {
{ "zero", 0, "00" },
{ "onedigit", 5, "05" },
{ "max", 23, "23" }
};
constexpr component_value mins_secs_values [] = {
{ "zero", 0, "00" },
{ "onedigit", 5, "05" },
{ "twodigits", 59, "59" }
};
constexpr component_value micros_values [] = {
{ "zero", 0, "000000" },
{ "onedigit", 5, "000005" },
{ "twodigits", 50, "000050" },
{ "max", 999999, "999999" },
};
for (const auto& year : year_values)
{
for (const auto& month : month_values)
{
for (const auto& day : day_values)
{
for (const auto& hours: hours_values)
{
for (const auto& mins: mins_secs_values)
{
for (const auto& secs: mins_secs_values)
{
for (const auto& micros: micros_values)
{
std::string name = stringize(
"datetime_year", year.name,
"_month", month.name,
"_day", day.name,
"_h", hours.name,
"_m", mins.name,
"_s", secs.name,
"_u", micros.name
);
std::string str_val = stringize(
year.repr, '-',
month.repr, '-',
day.repr, ' ',
hours.repr, ':',
mins.repr, ':',
secs.repr, '.',
micros.repr
);
auto val = makedt(
year.v,
static_cast<unsigned>(month.v),
static_cast<unsigned>(day.v),
hours.v,
mins.v,
secs.v,
micros.v
);
output.emplace_back(std::move(name), field_view(val), std::move(str_val));
}
}
}
}
}
}
}
}
void add_time_samples(std::vector<stream_sample>& output)
{
constexpr component_value sign_values [] = {
{ "positive", 1, "" },
{ "negative", -1, "-" }
};
constexpr component_value hours_values [] = {
{ "zero", 0, "00" },
{ "onedigit", 5, "05" },
{ "twodigits", 23, "23" },
{ "max", 838, "838" }
};
constexpr component_value mins_secs_values [] = {
{ "zero", 0, "00" },
{ "onedigit", 5, "05" },
{ "twodigits", 59, "59" }
};
constexpr component_value micros_values [] = {
{ "zero", 0, "000000" },
{ "onedigit", 5, "000005" },
{ "twodigits", 50, "000050" },
{ "max", 999999, "999999" },
};
for (const auto& sign: sign_values)
{
for (const auto& hours: hours_values)
{
for (const auto& mins: mins_secs_values)
{
for (const auto& secs: mins_secs_values)
{
for (const auto& micros: micros_values)
{
std::string name = stringize(
"time_", sign.name,
"_h", hours.name,
"_m", mins.name,
"_s", secs.name,
"_u", micros.name
);
std::string str_val = stringize(
sign.repr,
hours.repr, ':',
mins.repr, ':',
secs.repr, '.',
micros.repr
);
auto val = sign.v * maket(hours.v,
mins.v, secs.v, micros.v);
if (sign.v == -1 && val == maket(0, 0, 0))
continue; // This case makes no sense, as negative zero is represented as zero
output.emplace_back(std::move(name), field_view(val), std::move(str_val));
}
}
}
}
}
}
// Samples made out of owning fields
void add_ref_samples(std::vector<stream_sample>& output)
{
struct owning_fields_t
{
field f_null {};
field f_int64 {-1};
field f_uint64 {50u};
field f_string {"long_test_string"};
field f_float {4.2f};
field f_double {5.1};
field f_date {makedate(2020, 1, 1)};
field f_datetime {makedt(2019, 1, 1, 21, 19, 1, 9)};
field f_time {maket(9, 1, 0, 210)};
};
static owning_fields_t owning_fields;
output.emplace_back("ref_null", owning_fields.f_null, "<NULL>");
output.emplace_back("ref_int64", owning_fields.f_int64, "-1");
output.emplace_back("ref_uint64", owning_fields.f_uint64, "50");
output.emplace_back("ref_string", owning_fields.f_string, "long_test_string");
output.emplace_back("ref_float", owning_fields.f_float, "4.2");
output.emplace_back("ref_double", owning_fields.f_double, "5.1");
output.emplace_back("ref_date", owning_fields.f_date, "2020-01-01");
output.emplace_back("ref_datetime", owning_fields.f_datetime, "2019-01-01 21:19:01.000009");
output.emplace_back("ref_time", owning_fields.f_time, "09:01:00.000210");
}
std::vector<stream_sample> make_stream_samples()
{
std::vector<stream_sample> res {
{ "null", nullptr, "<NULL>" },
{ "i64_positive", std::int64_t(42), "42" },
{ "i64_negative", std::int64_t(-90), "-90" },
{ "i64_zero", std::int64_t(0), "0" },
{ "u64_positive", std::uint64_t(42), "42" },
{ "u64_zero", std::uint64_t(0), "0" },
{ "string_view", "a_string", "a_string" },
{ "float", 2.43f, "2.43" },
{ "double", 8.12, "8.12" },
};
add_date_samples(res);
add_datetime_samples(res);
add_time_samples(res);
add_ref_samples(res);
return res;
}
BOOST_AUTO_TEST_CASE(operator_stream)
{
auto test_cases = make_stream_samples();
for (const auto& tc : test_cases)
{
BOOST_TEST_CONTEXT(tc.name)
{
std::ostringstream ss;
ss << tc.input;
BOOST_TEST(ss.str() == tc.expected);
}
}
}
// Make sure constxpr can actually be used in a constexpr context
// C++14+ only
#ifndef BOOST_NO_CXX14_CONSTEXPR
BOOST_AUTO_TEST_SUITE(constexpr_fns)
BOOST_AUTO_TEST_CASE(null)
{
constexpr field_view v {};
constexpr field_view v2 (nullptr);
static_assert(v.is_null(), "");
static_assert(v == v2, "");
static_assert(!(v != v2), "");
}
BOOST_AUTO_TEST_CASE(int64)
{
constexpr field_view v (60);
static_assert(v.is_int64(), "");
static_assert(v.as_int64() == 60, "");
static_assert(v.get_int64() == 60, "");
static_assert(v == field_view(60), "");
}
BOOST_AUTO_TEST_CASE(uint64)
{
constexpr field_view v (60u);
static_assert(v.is_uint64(), "");
static_assert(v.as_uint64() == 60u, "");
static_assert(v.get_uint64() == 60u, "");
static_assert(v == field_view(60u), "");
}
BOOST_AUTO_TEST_CASE(string)
{
constexpr field_view v ("test");
static_assert(v.is_string(), "");
// Comparisons are not constexpr
}
BOOST_AUTO_TEST_CASE(float_)
{
constexpr field_view v (4.2f);
static_assert(v.is_float(), "");
static_assert(v.as_float() == 4.2f, "");
static_assert(v.get_float() == 4.2f, "");
static_assert(v == field_view(4.2f), "");
}
BOOST_AUTO_TEST_CASE(double_)
{
constexpr field_view v (4.2);
static_assert(v.is_double(), "");
static_assert(v.as_double() == 4.2, "");
static_assert(v.get_double() == 4.2, "");
static_assert(v == field_view(4.2), "");
}
BOOST_AUTO_TEST_CASE(date)
{
constexpr auto d = makedate(2020, 1, 1);
constexpr field_view v (d);
static_assert(v.is_date(), "");
static_assert(v.as_date() == d, "");
static_assert(v.get_date() == d, "");
static_assert(v == field_view(d), "");
}
BOOST_AUTO_TEST_CASE(datetime)
{
constexpr auto d = makedt(2020, 1, 1);
constexpr field_view v (d);
static_assert(v.is_datetime(), "");
static_assert(v.as_datetime() == d, "");
static_assert(v.get_datetime() == d, "");
static_assert(v == field_view(d), "");
}
BOOST_AUTO_TEST_CASE(time)
{
constexpr auto t = maket(8, 1, 1);
constexpr field_view v (t);
static_assert(v.is_time(), "");
static_assert(v.as_time() == t, "");
static_assert(v.get_time() == t, "");
static_assert(v == field_view(t), "");
}
BOOST_AUTO_TEST_SUITE_END()
#endif // BOOST_NO_CXX14_CONSTEXPR
BOOST_AUTO_TEST_SUITE_END()
}
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