diff options
Diffstat (limited to 'test/Lexer/cxx1y_digit_separators.cpp')
| -rw-r--r-- | test/Lexer/cxx1y_digit_separators.cpp | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/test/Lexer/cxx1y_digit_separators.cpp b/test/Lexer/cxx1y_digit_separators.cpp index 39ea3e7b8d74..c4c6aee963da 100644 --- a/test/Lexer/cxx1y_digit_separators.cpp +++ b/test/Lexer/cxx1y_digit_separators.cpp @@ -18,6 +18,8 @@ namespace integral { 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 h = 0x1e+1; // expected-error {{invalid suffix '+1' on integer constant}} + int i = 0x1'e+1; // ok, 'e+' is not recognized after a digit separator int z = 0'123'_foo; //'; // expected-error {{cannot appear at end of digit seq}} } @@ -32,6 +34,20 @@ namespace floating { 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}} + float g = 0.'0; // expected-error {{digit separator cannot appear at start of digit sequence}} + float h = .'0; // '; // expected-error {{expected expression}}, lexed as . followed by character literal + float i = 0x.'0p0; // expected-error {{digit separator cannot appear at start of digit sequence}} + float j = 0x'0.0p0; // expected-error {{invalid suffix 'x'0.0p0'}} + float k = 0x0'.0p0; // '; // expected-error {{expected ';'}} + float l = 0x0.'0p0; // expected-error {{digit separator cannot appear at start of digit sequence}} + float m = 0x0.0'p0; // expected-error {{digit separator cannot appear at end of digit sequence}} + float n = 0x0.0p'0; // expected-error {{digit separator cannot appear at start of digit sequence}} + float o = 0x0.0p0'ms; // expected-error {{digit separator cannot appear at end of digit sequence}} + float p = 0'e1; // expected-error {{digit separator cannot appear at end of digit sequence}} + float q = 0'0e1; + float r = 0.'0e1; // expected-error {{digit separator cannot appear at start of digit sequence}} + float s = 0.0'e1; // expected-error {{digit separator cannot appear at end of digit sequence}} + float t = 0.0e'1; // expected-error {{digit separator cannot appear at start of digit sequence}} } #line 123'456 @@ -41,3 +57,23 @@ static_assert(__LINE__ == 123456, ""); #define M(x, ...) __VA_ARGS__ constexpr int x = { M(1'2,3'4) }; static_assert(x == 34, ""); + +namespace UCNs { + // UCNs can appear before digit separators but not after. + int a = 0\u1234'5; // expected-error {{invalid suffix '\u1234'5' on integer constant}} + int b = 0'\u12345; // '; // expected-error {{expected ';'}} + constexpr int c {M(0\u1234'0,0'1)}; + constexpr int d {M(00'\u1234,0'1)}; + static_assert(c == 1, ""); + static_assert(d == 0, ""); +} + +namespace UTF8 { + // extended characters can appear before digit separators but not after. + int a = 0ሴ'5; // expected-error {{invalid suffix 'ሴ'5' on integer constant}} + int b = 0'ሴ5; // '; // expected-error {{expected ';'}} + constexpr int c {M(0ሴ'0,0'1)}; + constexpr int d {M(00'ሴ,0'1)}; + static_assert(c == 1, ""); + static_assert(d == 0, ""); +} |