Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/cpp2a/spaceship-scalar1.C @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
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date | Thu, 13 Feb 2020 11:34:05 +0900 |
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// { dg-do run { target c++2a } } #include <compare> #define assert(X) do { if (!(X)) __builtin_abort(); } while(0) int main() { { constexpr auto v = 1 <=> 2; static_assert (__is_same_as (decltype (v), const std::strong_ordering)); static_assert (!is_eq (v)); static_assert (is_neq (v)); static_assert (is_lt (v)); static_assert (is_lteq (v)); static_assert (!is_gt (v)); static_assert (!is_gteq (v)); } { enum E { a = 0 }; constexpr auto v = E::a <=> 1; static_assert (__is_same_as (decltype (v), const std::strong_ordering)); static_assert (!is_eq (v)); static_assert (is_neq (v)); static_assert (is_lt (v)); static_assert (is_lteq (v)); static_assert (!is_gt (v)); static_assert (!is_gteq (v)); } { enum class E { a, b }; constexpr auto v = E::a <=> E::b; static_assert (__is_same_as (decltype (v), const std::strong_ordering)); static_assert (!is_eq (v)); static_assert (is_neq (v)); static_assert (is_lt (v)); static_assert (is_lteq (v)); static_assert (!is_gt (v)); static_assert (!is_gteq (v)); } { int ar[2]; constexpr auto v = &ar[1] <=> &ar[0]; static_assert (__is_same_as (decltype (v), const std::strong_ordering)); static_assert (!is_eq (v)); static_assert (is_neq (v)); static_assert (!is_lt (v)); static_assert (!is_lteq (v)); static_assert (is_gt (v)); static_assert (is_gteq (v)); } { constexpr auto v = 3.14 <=> 3.14; static_assert (__is_same_as (decltype (v), const std::partial_ordering)); static_assert (is_eq (v)); static_assert (!is_neq (v)); static_assert (!is_lt (v)); static_assert (is_lteq (v)); static_assert (!is_gt (v)); static_assert (is_gteq (v)); } }