| 1 | // RUN: %clang_cc1 -std=c++1y %s -verify |
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| 2 | |
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| 3 | static_assert(0b1001 == 9, ""); |
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| 4 | |
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| 5 | using I = int; |
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| 6 | using I = decltype(0b101001); |
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| 7 | using ULL = unsigned long long; |
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| 8 | using ULL = decltype(0b10101001ULL); |
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| 9 | |
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| 10 | constexpr unsigned long long operator""_foo(unsigned long long n) { |
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| 11 | return n * 2; |
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| 12 | } |
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| 13 | static_assert(0b10001111_foo == 286, ""); |
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| 14 | |
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| 15 | int k1 = 0b1234; // expected-error {{invalid digit '2' in binary constant}} |
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| 16 | // FIXME: If we ever need to support a standard suffix starting with [a-f], |
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| 17 | // we'll need to rework our binary literal parsing rules. |
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| 18 | int k2 = 0b10010f; // expected-error {{invalid digit 'f' in binary constant}} |
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| 19 | int k3 = 0b10010g; // expected-error {{invalid suffix 'g' on integer constant}} |
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| 20 | int k4 = 0b; // expected-error {{invalid digit 'b' in octal constant}} |
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| 21 | |
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