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source: code/trunk/test/core/object/SmartPtrTest.cc @ 10032

Last change on this file since 10032 was 9603, checked in by landauf, 12 years ago

added more tests

  • Property svn:eol-style set to native
File size: 2.6 KB
Line 
1#include <gtest/gtest.h>
2#include "core/object/SmartPtr.h"
3
4namespace orxonox
5{
6    namespace
7    {
8        class DestroyableTest : public Destroyable
9        {
10            public:
11                DestroyableTest(bool& destroyed) : destroyed_(destroyed) { destroyed_ = false; }
12                virtual ~DestroyableTest() { destroyed_ = true; }
13
14            private:
15                bool& destroyed_;
16        };
17    }
18
19    TEST(SmartPtrTest, CanReferenceObject)
20    {
21        bool bla;
22        DestroyableTest* test = new DestroyableTest(bla);
23        SmartPtr<DestroyableTest> smartPtr = test;
24        EXPECT_EQ(test, smartPtr.get());
25        test->destroy();
26    }
27
28    TEST(SmartPtrTest, IncreasesReferenceCount)
29    {
30        bool bla;
31        DestroyableTest* test = new DestroyableTest(bla);
32        EXPECT_EQ(0u, test->getReferenceCount());
33        {
34            SmartPtr<DestroyableTest> smartPtr = test;
35            EXPECT_EQ(1u, test->getReferenceCount());
36        }
37        EXPECT_EQ(0u, test->getReferenceCount());
38        test->destroy();
39    }
40
41    TEST(SmartPtrTest, DestroyDeletesInstance)
42    {
43        bool destroyed = false;
44        DestroyableTest* test = new DestroyableTest(destroyed);
45        EXPECT_FALSE(destroyed);
46        test->destroy();
47        EXPECT_TRUE(destroyed);
48    }
49
50    TEST(SmartPtrTest, PreventsDestruction)
51    {
52        bool destroyed = false;
53        DestroyableTest* test = new DestroyableTest(destroyed);
54        EXPECT_FALSE(destroyed);
55        SmartPtr<DestroyableTest> smartPtr = test;
56        test->destroy();
57        EXPECT_FALSE(destroyed);
58    }
59
60    TEST(SmartPtrTest, DestroysIfSmartPtrRemoved)
61    {
62        bool destroyed = false;
63        DestroyableTest* test = new DestroyableTest(destroyed);
64        EXPECT_FALSE(destroyed);
65        {
66            SmartPtr<DestroyableTest> smartPtr = test;
67            test->destroy();
68            EXPECT_FALSE(destroyed);
69        }
70        EXPECT_TRUE(destroyed);
71    }
72
73    TEST(SmartPtrTest, DestroysIfAllSmartPtrsRemoved)
74    {
75        bool destroyed = false;
76        DestroyableTest* test = new DestroyableTest(destroyed);
77        EXPECT_FALSE(destroyed);
78        {
79            SmartPtr<DestroyableTest> smartPtr1 = test;
80            {
81                SmartPtr<DestroyableTest> smartPtr2 = test;
82                {
83                    SmartPtr<DestroyableTest> smartPtr3 = test;
84                    test->destroy();
85                    EXPECT_FALSE(destroyed);
86                }
87                EXPECT_FALSE(destroyed);
88            }
89            EXPECT_FALSE(destroyed);
90        }
91        EXPECT_TRUE(destroyed);
92    }
93}
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