1 // Copyright 2003, Google Inc.
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5 // modification, are permitted provided that the following conditions are
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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