int main(int, char**)
{
#if defined(__cpp_lib_char8_t) && __cpp_lib_char8_t >= 201811L
char8_t s2[3] = {0};
assert(std::char_traits<char8_t>::assign(s2, 3, char8_t(5)) == s2);
assert(s2[0] == char8_t(5));
assert(s2[1] == char8_t(5));
assert(s2[2] == char8_t(5));
assert(std::char_traits<char8_t>::assign(NULL, 0, char8_t(5)) == NULL);
#endif
return 0;
}
int main(int, char**)
{
char8_t s1[] = {1, 2, 3};
assert(std::char_traits<char8_t>::find(s1, 3, char8_t(1)) == s1);
assert(std::char_traits<char8_t>::find(s1, 3, char8_t(2)) == s1+1);
assert(std::char_traits<char8_t>::find(s1, 3, char8_t(3)) == s1+2);
assert(std::char_traits<char8_t>::find(s1, 3, char8_t(4)) == 0);
assert(std::char_traits<char8_t>::find(s1, 3, char8_t(0)) == 0);
assert(std::char_traits<char8_t>::find(NULL, 0, char8_t(0)) == 0);
static_assert(test_constexpr(), "" );
}
void disambig() {
char8_t (a) = u8'x';
}
}
void operator""_a(char);
void operator""_a(const char*, decltype(sizeof(0)));
void test_udl1() {
int &x = u8'a'_a; // expected-error {{no matching literal operator}}
float &y = u8"a"_a; // expected-error {{no matching literal operator}}
}
int &operator""_a(char8_t);
float &operator""_a(const char8_t*, decltype(sizeof(0)));
void test_udl2() {
int &x = u8'a'_a;
float &y = u8"a"_a;
}
template<typename E, typename T> void check(T &&t) {
using Check = E;
using Check = T;
}
void check_deduction() {
check<char8_t>(u8'a');
check<const char8_t(&)[5]>(u8"a\u1000");
}
static_assert(sizeof(char8_t) == 1);
static_assert(char8_t(-1) > 0);
static_assert(u8"\u0080"[0] > 0);