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author | Howard Hinnant <hhinnant@apple.com> | 2010-08-22 00:59:46 +0000 |
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committer | Howard Hinnant <hhinnant@apple.com> | 2010-08-22 00:59:46 +0000 |
commit | 94b2dd0998230c758abd92c99d3700c971f7a31a (patch) | |
tree | 1b9f66ba0b4f8fd99fc02a112d4b7a30c4afe0f6 /libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.obs/lock.pass.cpp | |
parent | d9c6c0b583ac1f1efeec3db571a1028a3c9b7a99 (diff) | |
download | bcm5719-llvm-94b2dd0998230c758abd92c99d3700c971f7a31a.tar.gz bcm5719-llvm-94b2dd0998230c758abd92c99d3700c971f7a31a.zip |
Fixing whitespace problems
llvm-svn: 111767
Diffstat (limited to 'libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.obs/lock.pass.cpp')
-rw-r--r-- | libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.obs/lock.pass.cpp | 59 |
1 files changed, 58 insertions, 1 deletions
diff --git a/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.obs/lock.pass.cpp b/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.obs/lock.pass.cpp index c68792058fc..93895ba6f94 100644 --- a/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.obs/lock.pass.cpp +++ b/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.obs/lock.pass.cpp @@ -1 +1,58 @@ -//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <memory>
// weak_ptr
// shared_ptr<T> lock() const;
#include <memory>
#include <cassert>
struct A
{
static int count;
A() {++count;}
A(const A&) {++count;}
~A() {--count;}
};
int A::count = 0;
int main()
{
{
std::weak_ptr<A> wp;
std::shared_ptr<A> sp = wp.lock();
assert(sp.use_count() == 0);
assert(sp.get() == 0);
assert(A::count == 0);
}
{
std::shared_ptr<A> sp0(new A);
std::weak_ptr<A> wp(sp0);
std::shared_ptr<A> sp = wp.lock();
assert(sp.use_count() == 2);
assert(sp.get() == sp0.get());
assert(A::count == 1);
}
assert(A::count == 0);
{
std::shared_ptr<A> sp0(new A);
std::weak_ptr<A> wp(sp0);
sp0.reset();
std::shared_ptr<A> sp = wp.lock();
assert(sp.use_count() == 0);
assert(sp.get() == 0);
assert(A::count == 0);
}
assert(A::count == 0);
}
\ No newline at end of file +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// <memory> + +// weak_ptr + +// shared_ptr<T> lock() const; + +#include <memory> +#include <cassert> + +struct A +{ + static int count; + + A() {++count;} + A(const A&) {++count;} + ~A() {--count;} +}; + +int A::count = 0; + +int main() +{ + { + std::weak_ptr<A> wp; + std::shared_ptr<A> sp = wp.lock(); + assert(sp.use_count() == 0); + assert(sp.get() == 0); + assert(A::count == 0); + } + { + std::shared_ptr<A> sp0(new A); + std::weak_ptr<A> wp(sp0); + std::shared_ptr<A> sp = wp.lock(); + assert(sp.use_count() == 2); + assert(sp.get() == sp0.get()); + assert(A::count == 1); + } + assert(A::count == 0); + { + std::shared_ptr<A> sp0(new A); + std::weak_ptr<A> wp(sp0); + sp0.reset(); + std::shared_ptr<A> sp = wp.lock(); + assert(sp.use_count() == 0); + assert(sp.get() == 0); + assert(A::count == 0); + } + assert(A::count == 0); +} |