| James Robinson | 646469d | 2014-10-03 15:33:28 -0700 | [diff] [blame] | 1 | // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include <vector> |
| 6 | |
| 7 | #include "base/basictypes.h" |
| 8 | #include "base/mac/scoped_nsautorelease_pool.h" |
| 9 | #include "base/mac/scoped_nsobject.h" |
| 10 | #include "testing/gtest/include/gtest/gtest.h" |
| 11 | |
| 12 | namespace { |
| 13 | |
| 14 | TEST(ScopedNSObjectTest, ScopedNSObject) { |
| 15 | base::scoped_nsobject<NSObject> p1([[NSObject alloc] init]); |
| 16 | ASSERT_TRUE(p1.get()); |
| 17 | ASSERT_EQ(1u, [p1 retainCount]); |
| 18 | base::scoped_nsobject<NSObject> p2(p1); |
| 19 | ASSERT_EQ(p1.get(), p2.get()); |
| 20 | ASSERT_EQ(2u, [p1 retainCount]); |
| 21 | p2.reset(); |
| 22 | ASSERT_EQ(nil, p2.get()); |
| 23 | ASSERT_EQ(1u, [p1 retainCount]); |
| 24 | { |
| 25 | base::scoped_nsobject<NSObject> p3 = p1; |
| 26 | ASSERT_EQ(p1.get(), p3.get()); |
| 27 | ASSERT_EQ(2u, [p1 retainCount]); |
| 28 | p3 = p1; |
| 29 | ASSERT_EQ(p1.get(), p3.get()); |
| 30 | ASSERT_EQ(2u, [p1 retainCount]); |
| 31 | } |
| 32 | ASSERT_EQ(1u, [p1 retainCount]); |
| 33 | base::scoped_nsobject<NSObject> p4([p1.get() retain]); |
| 34 | ASSERT_EQ(2u, [p1 retainCount]); |
| 35 | ASSERT_TRUE(p1 == p1.get()); |
| 36 | ASSERT_TRUE(p1 == p1); |
| 37 | ASSERT_FALSE(p1 != p1); |
| 38 | ASSERT_FALSE(p1 != p1.get()); |
| 39 | base::scoped_nsobject<NSObject> p5([[NSObject alloc] init]); |
| 40 | ASSERT_TRUE(p1 != p5); |
| 41 | ASSERT_TRUE(p1 != p5.get()); |
| 42 | ASSERT_FALSE(p1 == p5); |
| 43 | ASSERT_FALSE(p1 == p5.get()); |
| 44 | |
| 45 | base::scoped_nsobject<NSObject> p6 = p1; |
| 46 | ASSERT_EQ(3u, [p6 retainCount]); |
| 47 | { |
| 48 | base::mac::ScopedNSAutoreleasePool pool; |
| 49 | p6.autorelease(); |
| 50 | ASSERT_EQ(nil, p6.get()); |
| 51 | ASSERT_EQ(3u, [p1 retainCount]); |
| 52 | } |
| 53 | ASSERT_EQ(2u, [p1 retainCount]); |
| 54 | } |
| 55 | |
| 56 | TEST(ScopedNSObjectTest, ScopedNSObjectInContainer) { |
| 57 | base::scoped_nsobject<id> p([[NSObject alloc] init]); |
| 58 | ASSERT_TRUE(p.get()); |
| 59 | ASSERT_EQ(1u, [p retainCount]); |
| 60 | { |
| 61 | std::vector<base::scoped_nsobject<id>> objects; |
| 62 | objects.push_back(p); |
| 63 | ASSERT_EQ(2u, [p retainCount]); |
| 64 | ASSERT_EQ(p.get(), objects[0].get()); |
| 65 | objects.push_back(base::scoped_nsobject<id>([[NSObject alloc] init])); |
| 66 | ASSERT_TRUE(objects[1].get()); |
| 67 | ASSERT_EQ(1u, [objects[1] retainCount]); |
| 68 | } |
| 69 | ASSERT_EQ(1u, [p retainCount]); |
| 70 | } |
| 71 | |
| 72 | TEST(ScopedNSObjectTest, ScopedNSObjectFreeFunctions) { |
| 73 | base::scoped_nsobject<id> p1([[NSObject alloc] init]); |
| 74 | id o1 = p1.get(); |
| 75 | ASSERT_TRUE(o1 == p1); |
| 76 | ASSERT_FALSE(o1 != p1); |
| 77 | base::scoped_nsobject<id> p2([[NSObject alloc] init]); |
| 78 | ASSERT_TRUE(o1 != p2); |
| 79 | ASSERT_FALSE(o1 == p2); |
| 80 | id o2 = p2.get(); |
| 81 | swap(p1, p2); |
| 82 | ASSERT_EQ(o2, p1.get()); |
| 83 | ASSERT_EQ(o1, p2.get()); |
| 84 | } |
| 85 | |
| 86 | } // namespace |
