diff options
Diffstat (limited to 'test/Lexer/cxx1y_digit_separators.cpp')
| -rw-r--r-- | test/Lexer/cxx1y_digit_separators.cpp | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/test/Lexer/cxx1y_digit_separators.cpp b/test/Lexer/cxx1y_digit_separators.cpp new file mode 100644 index 0000000..39ea3e7 --- /dev/null +++ b/test/Lexer/cxx1y_digit_separators.cpp @@ -0,0 +1,43 @@ +// 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, ""); |
