libcxx initial import

llvm-svn: 103490

1 files changed, 1 insertions, 0 deletions

diff --git a/libcxx/test/utilities/memory/unique.ptr/unique.ptr.special/swap.pass.cpp b/libcxx/test/utilities/memory/unique.ptr/unique.ptr.special/swap.pass.cpp
new file mode 100644
index 00000000000..d92bc3f1a40
--- /dev/null
+++ b/libcxx/test/utilities/memory/unique.ptr/unique.ptr.special/swap.pass.cpp
@@ -0,0 +1 @@
+//===----------------------------------------------------------------------===//
//
// ΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <memory>

// unique_ptr

// Test swap

#include <memory>
#include <cassert>

#include "../deleter.h"

struct A
{
    int state_;
    static int count;
    A() : state_(0) {++count;}
    explicit A(int i) : state_(i) {++count;}
    A(const A& a) : state_(a.state_) {++count;}
    A& operator=(const A& a) {state_ = a.state_; return *this;}
    ~A() {--count;}

    friend bool operator==(const A& x, const A& y)
        {return x.state_ == y.state_;}
};

int A::count = 0;

int main()
{
    {
    A* p1 = new A(1);
    std::unique_ptr<A, Deleter<A> > s1(p1, Deleter<A>(1));
    A* p2 = new A(2);
    std::unique_ptr<A, Deleter<A> > s2(p2, Deleter<A>(2));
    assert(s1.get() == p1);
    assert(*s1 == A(1));
    assert(s1.get_deleter().state() == 1);
    assert(s2.get() == p2);
    assert(*s2 == A(2));
    assert(s2.get_deleter().state() == 2);
    swap(s1, s2);
    assert(s1.get() == p2);
    assert(*s1 == A(2));
    assert(s1.get_deleter().state() == 2);
    assert(s2.get() == p1);
    assert(*s2 == A(1));
    assert(s2.get_deleter().state() == 1);
    assert(A::count == 2);
    }
    assert(A::count == 0);
    {
    A* p1 = new A[3];
    std::unique_ptr<A[], Deleter<A[]> > s1(p1, Deleter<A[]>(1));
    A* p2 = new A[3];
    std::unique_ptr<A[], Deleter<A[]> > s2(p2, Deleter<A[]>(2));
    assert(s1.get() == p1);
    assert(s1.get_deleter().state() == 1);
    assert(s2.get() == p2);
    assert(s2.get_deleter().state() == 2);
    swap(s1, s2);
    assert(s1.get() == p2);
    assert(s1.get_deleter().state() == 2);
    assert(s2.get() == p1);
    assert(s2.get_deleter().state() == 1);
    assert(A::count == 6);
    }
    assert(A::count == 0);
}
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