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// RUN: %clang_cc1 -std=c++1y -verify %s
int operator""ms(unsigned long long); // expected-warning {{reserved}}
float operator""ms(long double); // expected-warning {{reserved}}
int operator""_foo(unsigned long long);
namespace integral {
static_assert(1'2'3 == 12'3, "");
static_assert(1'000'000 == 0xf'4240, "");
static_assert(0'004'000'000 == 0x10'0000, "");
static_assert(0b0101'0100 == 0x54, "");
int a = 123'; //'; // expected-error {{expected ';'}}
int b = 0'xff; // expected-error {{digit separator cannot appear at end of digit sequence}} expected-error {{suffix 'xff' on integer}}
int c = 0x'ff; // expected-error {{suffix 'x'ff' on integer}}
int d = 0'1234; // ok, octal
int e = 0'b1010; // expected-error {{digit 'b' in octal constant}}
int f = 0b'1010; // expected-error {{invalid digit 'b' in octal}}
int g = 123'ms; // expected-error {{digit separator cannot appear at end of digit sequence}}
int z = 0'123'_foo; //'; // expected-error {{cannot appear at end of digit seq}}
}
namespace floating {
static_assert(0'123.456'7 == 123.4567, "");
static_assert(1e1'0 == 10'000'000'000, "");
float a = 1'e1; // expected-error {{digit separator cannot appear at end of digit sequence}}
float b = 1'0e1;
float c = 1.'0e1; // expected-error {{digit separator cannot appear at start of digit sequence}}
float d = 1.0'e1; // expected-error {{digit separator cannot appear at end of digit sequence}}
float e = 1e'1; // expected-error {{digit separator cannot appear at start of digit sequence}}
float f = 1e1'ms; // expected-error {{digit separator cannot appear at end of digit sequence}}
}
#line 123'456
static_assert(__LINE__ == 123456, "");
// x has value 0 in C++11 and 34 in C++1y.
#define M(x, ...) __VA_ARGS__
constexpr int x = { M(1'2,3'4) };
static_assert(x == 34, "");
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