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libcxx/test/std/utilities/smartptr/unique.ptr/unique.ptr.special/rel.pass.cpp

101 lines
2.6 KiB
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>
// unique_ptr
// template <class T1, class D1, class T2, class D2>
// bool
// operator< (const unique_ptr<T1, D1>& x, const unique_ptr<T2, D2>& y);
// template <class T1, class D1, class T2, class D2>
// bool
// operator> (const unique_ptr<T1, D1>& x, const unique_ptr<T2, D2>& y);
// template <class T1, class D1, class T2, class D2>
// bool
// operator<=(const unique_ptr<T1, D1>& x, const unique_ptr<T2, D2>& y);
// template <class T1, class D1, class T2, class D2>
// bool
// operator>=(const unique_ptr<T1, D1>& x, const unique_ptr<T2, D2>& y);
#include <memory>
#include <cassert>
#include "deleter_types.h"
struct A
{
static int count;
A() {++count;}
A(const A&) {++count;}
virtual ~A() {--count;}
};
int A::count = 0;
struct B
: public A
{
static int count;
B() {++count;}
B(const B&) {++count;}
virtual ~B() {--count;}
};
int B::count = 0;
int main()
{
{
const std::unique_ptr<A, Deleter<A> > p1(new A);
const std::unique_ptr<A, Deleter<A> > p2(new A);
assert((p1 < p2) == !(p1 > p2));
assert((p1 < p2) == (p1 <= p2));
assert((p1 < p2) == !(p1 >= p2));
}
{
const std::unique_ptr<A, Deleter<A> > p1(new A);
const std::unique_ptr<B, Deleter<B> > p2(new B);
assert((p1 < p2) == !(p1 > p2));
assert((p1 < p2) == (p1 <= p2));
assert((p1 < p2) == !(p1 >= p2));
}
{
const std::unique_ptr<A[], Deleter<A[]> > p1(new A[3]);
const std::unique_ptr<A[], Deleter<A[]> > p2(new A[3]);
assert((p1 < p2) == !(p1 > p2));
assert((p1 < p2) == (p1 <= p2));
assert((p1 < p2) == !(p1 >= p2));
}
{
const std::unique_ptr<A[], Deleter<A[]> > p1(new A[3]);
const std::unique_ptr<B[], Deleter<B[]> > p2(new B[3]);
assert((p1 < p2) == !(p1 > p2));
assert((p1 < p2) == (p1 <= p2));
assert((p1 < p2) == !(p1 >= p2));
}
{
const std::unique_ptr<A, Deleter<A> > p1;
const std::unique_ptr<A, Deleter<A> > p2;
assert((p1 < p2) == (p1 > p2));
assert((p1 < p2) == !(p1 <= p2));
assert((p1 < p2) == !(p1 >= p2));
}
{
const std::unique_ptr<A, Deleter<A> > p1;
const std::unique_ptr<B, Deleter<B> > p2;
assert((p1 < p2) == (p1 > p2));
assert((p1 < p2) == !(p1 <= p2));
assert((p1 < p2) == !(p1 >= p2));
}
}