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1 // Copyright 2003, Google Inc.
2 // All rights reserved.
4 // Redistribution and use in source and binary forms, with or without
5 // modification, are permitted provided that the following conditions are
8 // * Redistributions of source code must retain the above copyright
9 // notice, this list of conditions and the following disclaimer.
10 // * Redistributions in binary form must reproduce the above
11 // copyright notice, this list of conditions and the following disclaimer
12 // in the documentation and/or other materials provided with the
14 // * Neither the name of Google Inc. nor the names of its
15 // contributors may be used to endorse or promote products derived from
16 // this software without specific prior written permission.
18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 // Authors: Dan Egnor (egnor@google.com)
31 // Ported to Windows: Vadim Berman (vadimb@google.com)
33 #include "gtest/internal/gtest-linked_ptr.h"
36 #include "gtest/gtest.h"
40 using testing::Message
;
41 using testing::internal::linked_ptr
;
44 Message
* history
= NULL
;
46 // Class which tracks allocation/deallocation
49 A(): mynum(num
++) { *history
<< "A" << mynum
<< " ctor\n"; }
50 virtual ~A() { *history
<< "A" << mynum
<< " dtor\n"; }
51 virtual void Use() { *history
<< "A" << mynum
<< " use\n"; }
59 B() { *history
<< "B" << mynum
<< " ctor\n"; }
60 ~B() { *history
<< "B" << mynum
<< " dtor\n"; }
61 virtual void Use() { *history
<< "B" << mynum
<< " use\n"; }
64 class LinkedPtrTest
: public testing::Test
{
68 history
= new Message
;
71 virtual ~LinkedPtrTest() {
77 TEST_F(LinkedPtrTest
, GeneralTest
) {
79 linked_ptr
<A
> a0
, a1
, a2
;
80 // Use explicit function call notation here to suppress self-assign warning.
83 ASSERT_EQ(a0
.get(), static_cast<A
*>(NULL
));
84 ASSERT_EQ(a1
.get(), static_cast<A
*>(NULL
));
85 ASSERT_EQ(a2
.get(), static_cast<A
*>(NULL
));
86 ASSERT_TRUE(a0
== NULL
);
87 ASSERT_TRUE(a1
== NULL
);
88 ASSERT_TRUE(a2
== NULL
);
91 linked_ptr
<A
> a3(new A
);
93 ASSERT_TRUE(a0
== a3
);
94 ASSERT_TRUE(a0
!= NULL
);
95 ASSERT_TRUE(a0
.get() == a3
);
96 ASSERT_TRUE(a0
== a3
.get());
99 linked_ptr
<A
> a5(new A
);
100 ASSERT_TRUE(a5
.get() != a3
);
101 ASSERT_TRUE(a5
!= a3
.get());
103 linked_ptr
<B
> b0(new B
);
104 linked_ptr
<A
> a6(b0
);
105 ASSERT_TRUE(b0
== a6
);
106 ASSERT_TRUE(a6
== b0
);
107 ASSERT_TRUE(b0
!= NULL
);
151 history
->GetString().c_str());
154 } // Unnamed namespace