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| author | Howard Hinnant <hhinnant@apple.com> | 2010-05-11 19:42:16 +0000 |
|---|---|---|
| committer | Howard Hinnant <hhinnant@apple.com> | 2010-05-11 19:42:16 +0000 |
| commit | 3e519524c118651123eecf60c2bbc5d65ad9bac3 (patch) | |
| tree | b2dd4168cfe448920a602cd7d2e40f95da187153 /libcxx/test/utilities/memory/util.smartptr/util.smartptr.shared/util.smartptr.shared.mod/swap.pass.cpp | |
| parent | 9132c59d43b6c590c9bb33496eebf9f192d6857a (diff) | |
| download | bcm5719-llvm-3e519524c118651123eecf60c2bbc5d65ad9bac3.tar.gz bcm5719-llvm-3e519524c118651123eecf60c2bbc5d65ad9bac3.zip | |
libcxx initial import
llvm-svn: 103490
Diffstat (limited to 'libcxx/test/utilities/memory/util.smartptr/util.smartptr.shared/util.smartptr.shared.mod/swap.pass.cpp')
| -rw-r--r-- | libcxx/test/utilities/memory/util.smartptr/util.smartptr.shared/util.smartptr.shared.mod/swap.pass.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/libcxx/test/utilities/memory/util.smartptr/util.smartptr.shared/util.smartptr.shared.mod/swap.pass.cpp b/libcxx/test/utilities/memory/util.smartptr/util.smartptr.shared/util.smartptr.shared.mod/swap.pass.cpp new file mode 100644 index 00000000000..55111376859 --- /dev/null +++ b/libcxx/test/utilities/memory/util.smartptr/util.smartptr.shared/util.smartptr.shared.mod/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>
// shared_ptr
// void swap(shared_ptr& r);
#include <memory>
#include <cassert>
struct A
{
static int count;
A() {++count;}
A(const A&) {++count;}
~A() {--count;}
};
int A::count = 0;
int main()
{
{
A* ptr1 = new A;
A* ptr2 = new A;
std::shared_ptr<A> p1(ptr1);
{
std::shared_ptr<A> p2(ptr2);
p1.swap(p2);
assert(p1.use_count() == 1);
assert(p1.get() == ptr2);
assert(p2.use_count() == 1);
assert(p2.get() == ptr1);
assert(A::count == 2);
}
assert(p1.use_count() == 1);
assert(p1.get() == ptr2);
assert(A::count == 1);
}
assert(A::count == 0);
{
A* ptr1 = new A;
A* ptr2 = 0;
std::shared_ptr<A> p1(ptr1);
{
std::shared_ptr<A> p2;
p1.swap(p2);
assert(p1.use_count() == 0);
assert(p1.get() == ptr2);
assert(p2.use_count() == 1);
assert(p2.get() == ptr1);
assert(A::count == 1);
}
assert(p1.use_count() == 0);
assert(p1.get() == ptr2);
assert(A::count == 0);
}
assert(A::count == 0);
{
A* ptr1 = 0;
A* ptr2 = new A;
std::shared_ptr<A> p1;
{
std::shared_ptr<A> p2(ptr2);
p1.swap(p2);
assert(p1.use_count() == 1);
assert(p1.get() == ptr2);
assert(p2.use_count() == 0);
assert(p2.get() == ptr1);
assert(A::count == 1);
}
assert(p1.use_count() == 1);
assert(p1.get() == ptr2);
assert(A::count == 1);
}
assert(A::count == 0);
{
A* ptr1 = 0;
A* ptr2 = 0;
std::shared_ptr<A> p1;
{
std::shared_ptr<A> p2;
p1.swap(p2);
assert(p1.use_count() == 0);
assert(p1.get() == ptr2);
assert(p2.use_count() == 0);
assert(p2.get() == ptr1);
assert(A::count == 0);
}
assert(p1.use_count() == 0);
assert(p1.get() == ptr2);
assert(A::count == 0);
}
assert(A::count == 0);
}
\ No newline at end of file |
