media/webrtc/trunk/testing/gtest/test/gtest-linked_ptr_test.cc

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 // Copyright 2003, Google Inc.
michael@0 2 // All rights reserved.
michael@0 3 //
michael@0 4 // Redistribution and use in source and binary forms, with or without
michael@0 5 // modification, are permitted provided that the following conditions are
michael@0 6 // met:
michael@0 7 //
michael@0 8 // * Redistributions of source code must retain the above copyright
michael@0 9 // notice, this list of conditions and the following disclaimer.
michael@0 10 // * Redistributions in binary form must reproduce the above
michael@0 11 // copyright notice, this list of conditions and the following disclaimer
michael@0 12 // in the documentation and/or other materials provided with the
michael@0 13 // distribution.
michael@0 14 // * Neither the name of Google Inc. nor the names of its
michael@0 15 // contributors may be used to endorse or promote products derived from
michael@0 16 // this software without specific prior written permission.
michael@0 17 //
michael@0 18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
michael@0 19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
michael@0 20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
michael@0 21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
michael@0 22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
michael@0 23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
michael@0 24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
michael@0 25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
michael@0 26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
michael@0 27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
michael@0 28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
michael@0 29 //
michael@0 30 // Authors: Dan Egnor (egnor@google.com)
michael@0 31 // Ported to Windows: Vadim Berman (vadimb@google.com)
michael@0 32
michael@0 33 #include "gtest/internal/gtest-linked_ptr.h"
michael@0 34
michael@0 35 #include <stdlib.h>
michael@0 36 #include "gtest/gtest.h"
michael@0 37
michael@0 38 namespace {
michael@0 39
michael@0 40 using testing::Message;
michael@0 41 using testing::internal::linked_ptr;
michael@0 42
michael@0 43 int num;
michael@0 44 Message* history = NULL;
michael@0 45
michael@0 46 // Class which tracks allocation/deallocation
michael@0 47 class A {
michael@0 48 public:
michael@0 49 A(): mynum(num++) { *history << "A" << mynum << " ctor\n"; }
michael@0 50 virtual ~A() { *history << "A" << mynum << " dtor\n"; }
michael@0 51 virtual void Use() { *history << "A" << mynum << " use\n"; }
michael@0 52 protected:
michael@0 53 int mynum;
michael@0 54 };
michael@0 55
michael@0 56 // Subclass
michael@0 57 class B : public A {
michael@0 58 public:
michael@0 59 B() { *history << "B" << mynum << " ctor\n"; }
michael@0 60 ~B() { *history << "B" << mynum << " dtor\n"; }
michael@0 61 virtual void Use() { *history << "B" << mynum << " use\n"; }
michael@0 62 };
michael@0 63
michael@0 64 class LinkedPtrTest : public testing::Test {
michael@0 65 public:
michael@0 66 LinkedPtrTest() {
michael@0 67 num = 0;
michael@0 68 history = new Message;
michael@0 69 }
michael@0 70
michael@0 71 virtual ~LinkedPtrTest() {
michael@0 72 delete history;
michael@0 73 history = NULL;
michael@0 74 }
michael@0 75 };
michael@0 76
michael@0 77 TEST_F(LinkedPtrTest, GeneralTest) {
michael@0 78 {
michael@0 79 linked_ptr<A> a0, a1, a2;
michael@0 80 // Use explicit function call notation here to suppress self-assign warning.
michael@0 81 a0.operator=(a0);
michael@0 82 a1 = a2;
michael@0 83 ASSERT_EQ(a0.get(), static_cast<A*>(NULL));
michael@0 84 ASSERT_EQ(a1.get(), static_cast<A*>(NULL));
michael@0 85 ASSERT_EQ(a2.get(), static_cast<A*>(NULL));
michael@0 86 ASSERT_TRUE(a0 == NULL);
michael@0 87 ASSERT_TRUE(a1 == NULL);
michael@0 88 ASSERT_TRUE(a2 == NULL);
michael@0 89
michael@0 90 {
michael@0 91 linked_ptr<A> a3(new A);
michael@0 92 a0 = a3;
michael@0 93 ASSERT_TRUE(a0 == a3);
michael@0 94 ASSERT_TRUE(a0 != NULL);
michael@0 95 ASSERT_TRUE(a0.get() == a3);
michael@0 96 ASSERT_TRUE(a0 == a3.get());
michael@0 97 linked_ptr<A> a4(a0);
michael@0 98 a1 = a4;
michael@0 99 linked_ptr<A> a5(new A);
michael@0 100 ASSERT_TRUE(a5.get() != a3);
michael@0 101 ASSERT_TRUE(a5 != a3.get());
michael@0 102 a2 = a5;
michael@0 103 linked_ptr<B> b0(new B);
michael@0 104 linked_ptr<A> a6(b0);
michael@0 105 ASSERT_TRUE(b0 == a6);
michael@0 106 ASSERT_TRUE(a6 == b0);
michael@0 107 ASSERT_TRUE(b0 != NULL);
michael@0 108 a5 = b0;
michael@0 109 a5 = b0;
michael@0 110 a3->Use();
michael@0 111 a4->Use();
michael@0 112 a5->Use();
michael@0 113 a6->Use();
michael@0 114 b0->Use();
michael@0 115 (*b0).Use();
michael@0 116 b0.get()->Use();
michael@0 117 }
michael@0 118
michael@0 119 a0->Use();
michael@0 120 a1->Use();
michael@0 121 a2->Use();
michael@0 122
michael@0 123 a1 = a2;
michael@0 124 a2.reset(new A);
michael@0 125 a0.reset();
michael@0 126
michael@0 127 linked_ptr<A> a7;
michael@0 128 }
michael@0 129
michael@0 130 ASSERT_STREQ(
michael@0 131 "A0 ctor\n"
michael@0 132 "A1 ctor\n"
michael@0 133 "A2 ctor\n"
michael@0 134 "B2 ctor\n"
michael@0 135 "A0 use\n"
michael@0 136 "A0 use\n"
michael@0 137 "B2 use\n"
michael@0 138 "B2 use\n"
michael@0 139 "B2 use\n"
michael@0 140 "B2 use\n"
michael@0 141 "B2 use\n"
michael@0 142 "B2 dtor\n"
michael@0 143 "A2 dtor\n"
michael@0 144 "A0 use\n"
michael@0 145 "A0 use\n"
michael@0 146 "A1 use\n"
michael@0 147 "A3 ctor\n"
michael@0 148 "A0 dtor\n"
michael@0 149 "A3 dtor\n"
michael@0 150 "A1 dtor\n",
michael@0 151 history->GetString().c_str());
michael@0 152 }
michael@0 153
michael@0 154 } // Unnamed namespace

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