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libcxx/test/std/utilities/memory/util.smartptr/util.smartptr.shared/util.smartptr.shared.cmp/lt.pass.cpp

31 lines
820 B
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <memory>
// shared_ptr
// template<class T, class U> bool operator<(const shared_ptr<T>& a, const shared_ptr<U>& b);
#include <memory>
#include <cassert>
void do_nothing(int*) {}
int main()
{
int* ptr1(new int);
int* ptr2(new int);
const std::shared_ptr<int> p1(ptr1);
const std::shared_ptr<int> p2(ptr2);
const std::shared_ptr<int> p3(ptr2, do_nothing);
assert((p1 < p2) == (ptr1 < ptr2));
assert(!(p2 < p3) && !(p3 < p2));
}