libcxx/test/std/algorithms/robust_against_adl_on_new.pass.cpp

   1 //===----------------------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 // <algorithm>
  10
  11 #include <algorithm>
  12 #include <functional>
  13
  14 #include "test_macros.h"
  15
  16 struct A {
  17     int i = 0;
  18     bool operator<(const A& rhs) const { return i < rhs.i; }
  19     static bool isEven(const A& a) { return a.i % 2 == 0; }
  20 };
  21
  22 void *operator new(std::size_t, A*) = delete;
  23
  24 int main(int, char**)
  25 {
  26     A a[4] = {};
  27     std::sort(a, a+4);
  28     std::sort(a, a+4, std::less<A>());
  29     std::partition(a, a+4, A::isEven);
  30     std::stable_sort(a, a+4);
  31     std::stable_sort(a, a+4, std::less<A>());
  32     std::stable_partition(a, a+4, A::isEven);
  33     std::inplace_merge(a, a+2, a+4);
  34     std::inplace_merge(a, a+2, a+4, std::less<A>());
  35
  36     return 0;
  37 }