Move scoped_nsobject from base/memory to base/mac.

base/memory/scoped_nsobject_unittest.mm

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include <vector>
-
-#include "base/basictypes.h"
-#include "base/mac/scoped_nsautorelease_pool.h"
-#include "base/memory/scoped_nsobject.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace {
-
-TEST(ScopedNSObjectTest, ScopedNSObject) {
-  scoped_nsobject<NSObject> p1([[NSObject alloc] init]);
-  ASSERT_TRUE(p1.get());
-  ASSERT_EQ(1u, [p1 retainCount]);
-  scoped_nsobject<NSObject> p2(p1);
-  ASSERT_EQ(p1.get(), p2.get());
-  ASSERT_EQ(2u, [p1 retainCount]);
-  p2.reset();
-  ASSERT_EQ(nil, p2.get());
-  ASSERT_EQ(1u, [p1 retainCount]);
-  {
-    scoped_nsobject<NSObject> p3 = p1;
-    ASSERT_EQ(p1.get(), p3.get());
-    ASSERT_EQ(2u, [p1 retainCount]);
-    p3 = p1;
-    ASSERT_EQ(p1.get(), p3.get());
-    ASSERT_EQ(2u, [p1 retainCount]);
-  }
-  ASSERT_EQ(1u, [p1 retainCount]);
-  scoped_nsobject<NSObject> p4([p1.get() retain]);
-  ASSERT_EQ(2u, [p1 retainCount]);
-  ASSERT_TRUE(p1 == p1.get());
-  ASSERT_TRUE(p1 == p1);
-  ASSERT_FALSE(p1 != p1);
-  ASSERT_FALSE(p1 != p1.get());
-  scoped_nsobject<NSObject> p5([[NSObject alloc] init]);
-  ASSERT_TRUE(p1 != p5);
-  ASSERT_TRUE(p1 != p5.get());
-  ASSERT_FALSE(p1 == p5);
-  ASSERT_FALSE(p1 == p5.get());
-
-  scoped_nsobject<NSObject> p6 = p1;
-  ASSERT_EQ(3u, [p6 retainCount]);
-  {
-    base::mac::ScopedNSAutoreleasePool pool;
-    p6.autorelease();
-    ASSERT_EQ(nil, p6.get());
-    ASSERT_EQ(3u, [p1 retainCount]);
-  }
-  ASSERT_EQ(2u, [p1 retainCount]);
-}
-
-TEST(ScopedNSObjectTest, ScopedNSObjectInContainer) {
-  scoped_nsobject<id> p([[NSObject alloc] init]);
-  ASSERT_TRUE(p.get());
-  ASSERT_EQ(1u, [p retainCount]);
-  {
-    std::vector<scoped_nsobject<id> > objects;
-    objects.push_back(p);
-    ASSERT_EQ(2u, [p retainCount]);
-    ASSERT_EQ(p.get(), objects[0].get());
-    objects.push_back(scoped_nsobject<id>([[NSObject alloc] init]));
-    ASSERT_TRUE(objects[1].get());
-    ASSERT_EQ(1u, [objects[1] retainCount]);
-  }
-  ASSERT_EQ(1u, [p retainCount]);
-}
-
-TEST(ScopedNSObjectTest, ScopedNSObjectFreeFunctions) {
-  scoped_nsobject<id> p1([[NSObject alloc] init]);
-  id o1 = p1.get();
-  ASSERT_TRUE(o1 == p1);
-  ASSERT_FALSE(o1 != p1);
-  scoped_nsobject<id> p2([[NSObject alloc] init]);
-  ASSERT_TRUE(o1 != p2);
-  ASSERT_FALSE(o1 == p2);
-  id o2 = p2.get();
-  swap(p1, p2);
-  ASSERT_EQ(o2, p1.get());
-  ASSERT_EQ(o1, p2.get());
-}
-
-}  // namespace