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// RUN: %clang_cc1 -std=c++23 -fsyntax-only -verify %s
#if 1z != 1
#error "z suffix must be recognized by preprocessor"
#endif
#if 1uz != 1
#error "uz suffix must be recognized by preprocessor"
#endif
#if !(-1z < 0)
#error "z suffix must be interpreted as signed"
#endif
#if !(-1uz > 0)
#error "uz suffix must be interpreted as unsigned"
#endif
void ValidSuffix() {
// Decimal literals.
{
auto a1 = 1z;
auto a2 = 1Z;
auto a3 = 1uz;
auto a4 = 1uZ;
auto a5 = 1Uz;
auto a6 = 1UZ;
auto a7 = 1zu;
auto a8 = 1Zu;
auto a9 = 1zU;
auto a10 = 1ZU;
auto a11 = 1'2z;
auto a12 = 1'2Z;
}
// Hexadecimal literals.
{
auto a1 = 0x1z;
auto a2 = 0x1Z;
auto a3 = 0x1uz;
auto a4 = 0x1uZ;
auto a5 = 0x1Uz;
auto a6 = 0x1UZ;
auto a7 = 0x1zu;
auto a8 = 0x1Zu;
auto a9 = 0x1zU;
auto a10 = 0x1ZU;
auto a11 = 0x1'2z;
auto a12 = 0x1'2Z;
}
// Binary literals.
{
auto a1 = 0b1z;
auto a2 = 0b1Z;
auto a3 = 0b1uz;
auto a4 = 0b1uZ;
auto a5 = 0b1Uz;
auto a6 = 0b1UZ;
auto a7 = 0b1zu;
auto a8 = 0b1Zu;
auto a9 = 0b1zU;
auto a10 = 0b1ZU;
auto a11 = 0b1'1z;
auto a12 = 0b1'1Z;
}
// Octal literals.
{
auto a1 = 01z;
auto a2 = 01Z;
auto a3 = 01uz;
auto a4 = 01uZ;
auto a5 = 01Uz;
auto a6 = 01UZ;
auto a7 = 01zu;
auto a8 = 01Zu;
auto a9 = 01zU;
auto a10 = 01ZU;
auto a11 = 0'1z;
auto a12 = 0'1Z;
}
}
void InvalidSuffix() {
// Long.
{
auto a1 = 1lz; // expected-error {{invalid suffix}}
auto a2 = 1lZ; // expected-error {{invalid suffix}}
auto a3 = 1Lz; // expected-error {{invalid suffix}}
auto a4 = 1LZ; // expected-error {{invalid suffix}}
auto a5 = 1zl; // expected-error {{invalid suffix}}
auto a6 = 1Zl; // expected-error {{invalid suffix}}
auto a7 = 1zL; // expected-error {{invalid suffix}}
auto a8 = 1ZL; // expected-error {{invalid suffix}}
auto a9 = 1ulz; // expected-error {{invalid suffix}}
auto a10 = 1ulZ; // expected-error {{invalid suffix}}
auto a11 = 1uLz; // expected-error {{invalid suffix}}
auto a12 = 1uLZ; // expected-error {{invalid suffix}}
auto a13 = 1uzl; // expected-error {{invalid suffix}}
auto a14 = 1uZl; // expected-error {{invalid suffix}}
auto a15 = 1uzL; // expected-error {{invalid suffix}}
auto a16 = 1uZL; // expected-error {{invalid suffix}}
}
// Long long.
{
auto a1 = 1llz; // expected-error {{invalid suffix}}
auto a2 = 1llZ; // expected-error {{invalid suffix}}
auto a3 = 1LLz; // expected-error {{invalid suffix}}
auto a4 = 1LLZ; // expected-error {{invalid suffix}}
auto a5 = 1zll; // expected-error {{invalid suffix}}
auto a6 = 1Zll; // expected-error {{invalid suffix}}
auto a7 = 1zLL; // expected-error {{invalid suffix}}
auto a8 = 1ZLL; // expected-error {{invalid suffix}}
auto a9 = 1ullz; // expected-error {{invalid suffix}}
auto a10 = 1ullZ; // expected-error {{invalid suffix}}
auto a11 = 1uLLz; // expected-error {{invalid suffix}}
auto a12 = 1uLLZ; // expected-error {{invalid suffix}}
auto a13 = 1uzll; // expected-error {{invalid suffix}}
auto a14 = 1uZll; // expected-error {{invalid suffix}}
auto a15 = 1uzLL; // expected-error {{invalid suffix}}
auto a16 = 1uZLL; // expected-error {{invalid suffix}}
}
// Floating point.
{
auto a1 = 0.1z; // expected-error {{invalid suffix}}
auto a2 = 0.1Z; // expected-error {{invalid suffix}}
auto a3 = 0.1uz; // expected-error {{invalid suffix}}
auto a4 = 0.1uZ; // expected-error {{invalid suffix}}
auto a5 = 0.1Uz; // expected-error {{invalid suffix}}
auto a6 = 0.1UZ; // expected-error {{invalid suffix}}
auto a7 = 0.1zu; // expected-error {{invalid suffix}}
auto a8 = 0.1Zu; // expected-error {{invalid suffix}}
auto a9 = 0.1zU; // expected-error {{invalid suffix}}
auto a10 = 0.1ZU; // expected-error {{invalid suffix}}
auto a11 = 0.1fz; // expected-error {{invalid suffix}}
auto a12 = 0.1fZ; // expected-error {{invalid suffix}}
auto a13 = 0.1fuz; // expected-error {{invalid suffix}}
auto a14 = 0.1fuZ; // expected-error {{invalid suffix}}
auto a15 = 0.1fUz; // expected-error {{invalid suffix}}
auto a16 = 0.1fUZ; // expected-error {{invalid suffix}}
auto a17 = 0.1fzu; // expected-error {{invalid suffix}}
auto a18 = 0.1fZu; // expected-error {{invalid suffix}}
auto a19 = 0.1fzU; // expected-error {{invalid suffix}}
auto a110 = 0.1fZU; // expected-error {{invalid suffix}}
}
// Repetitive suffix.
{
auto a1 = 1zz; // expected-error {{invalid suffix}}
auto a2 = 1zZ; // expected-error {{invalid suffix}}
auto a3 = 1Zz; // expected-error {{invalid suffix}}
auto a4 = 1ZZ; // expected-error {{invalid suffix}}
}
}
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