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// { dg-do run { target c++20 } }
// { dg-require-namedlocale "fr_FR.ISO8859-15" }
// { dg-timeout-factor 2 }
#include <chrono>
#include <sstream>
#include <testsuite_hooks.h>
void
test_ostream()
{
using std::ostringstream;
using namespace std::chrono;
ostringstream ss;
ss << day(1) << ' ' << day(11) << ' ' << day(21) << ' ' << day(31)
<< ' ' << day(41);
auto s = ss.str();
VERIFY( s == "01 11 21 31 41 is not a valid day" );
ss.str("");
ss.imbue(std::locale(ISO_8859(15,fr_FR)));
ss << day(1);
VERIFY( ss.str() == "01" );
}
void
test_format()
{
using std::chrono::day;
auto s = std::format("{:%d%%%e%t}{:%d%%%e%n}", day(1), day(11));
VERIFY( s == "01% 1\t11%11\n" );
auto ws = std::format(L"{:%d%%%e%t}{:%d%%%e%n}", day(1), day(11));
VERIFY( ws == L"01% 1\t11%11\n" );
VERIFY( std::format("{} {}", day(8), day(0)) == "08 00 is not a valid day" );
s = std::format("{:%Od}", day(1));
VERIFY( s == "01" );
s = std::format(std::locale::classic(), "{:%Od}", day(1));
VERIFY( s == "01" );
s = std::format(std::locale::classic(), "{:L%Od}", day(1));
VERIFY( s == "01" );
// TODO test "{:L%Od}" with locale that has alternative numeric rep.
std::string_view specs = "aAbBcCdDeFgGhHIjmMpqQrRSTuUVwWxXyYzZ";
std::string_view my_specs = "de";
for (char c : specs)
{
char fmt[] = { '{', ':', '%', c, '}' };
try
{
day d(1);
(void) std::vformat(std::string_view(fmt, 5), std::make_format_args(d));
// The call above should throw for any conversion-spec not in my_specs:
VERIFY(my_specs.find(c) != my_specs.npos);
}
catch (const std::format_error& e)
{
VERIFY(my_specs.find(c) == my_specs.npos);
std::string_view s = e.what();
// Libstdc++-specific message:
VERIFY(s.find("format argument does not contain the information "
"required by the chrono-specs") != s.npos);
}
}
}
void
test_parse()
{
using namespace std::chrono;
day d(0);
minutes offset;
std::string abbrev;
std::istringstream is("2023-08-10 12:46 +01 BST<");
VERIFY( is >> parse("%F %R %z %Z", d, abbrev, offset) );
VERIFY( ! is.eof() );
VERIFY( d == 10d );
VERIFY( abbrev == "BST" );
VERIFY( offset == 60min );
abbrev = "nope";
offset = 999min;
is.clear();
is.str("30");
VERIFY( is >> parse("%d", d, abbrev, offset) );
VERIFY( ! is.eof() );
VERIFY( d == 30d );
VERIFY( abbrev == "nope" );
VERIFY( offset == 999min );
d = day(255);
is.clear();
is.str("2023-02-30");
is >> parse("%F", d); // Feb 30 is not a valid day
VERIFY( is.fail() );
VERIFY( d == day(255) );
is.clear();
is.str("February 30");
is >> parse("%B %d", d); // Feb 30 is not a valid day
VERIFY( is.fail() );
VERIFY( d == day(255) );
is.clear();
is.str("February 29");
is >> parse("%B %d", d); // But Feb 29 could be valid.
VERIFY( is.good() );
VERIFY( d == 29d );
d = day(255);
is.clear();
is.str("2023 Feb 29");
is >> parse("%Y %B %d", d); // But 2023 is not a leap year.
VERIFY( is.fail() );
VERIFY( d == day(255) );
d = day(255);
is.clear();
is.str("20 Feb 29");
is >> parse("%y %B %d", d); // But 2020 is a leap year.
VERIFY( is.good() );
VERIFY( d == 29d );
}
int main()
{
test_ostream();
test_format();
test_parse();
}
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