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