1// Header file for the test of the circular buffer library.
2
3// Copyright (c) 2003-2008 Jan Gaspar
4
5// Use, modification, and distribution is subject to the Boost Software
6// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
7// http://www.boost.org/LICENSE_1_0.txt)
8
9#if !defined(BOOST_CIRCULAR_BUFFER_TEST_HPP)
10#define BOOST_CIRCULAR_BUFFER_TEST_HPP
11
12#if defined(_MSC_VER) && _MSC_VER >= 1200
13 #pragma once
14#endif
15
16#define BOOST_CB_TEST
17
18#include <boost/circular_buffer.hpp>
19#include <boost/test/included/unit_test.hpp>
20#include <boost/iterator.hpp>
21#include <iterator>
22#include <numeric>
23#include <vector>
24#if !defined(BOOST_NO_EXCEPTIONS)
25 #include <exception>
26#endif
27
28// Integer (substitute for int) - more appropriate for testing
29class MyInteger {
30private:
31 int* m_pValue;
32 static int ms_exception_trigger;
33 void check_exception() {
34 if (ms_exception_trigger > 0) {
35 if (--ms_exception_trigger == 0) {
36 delete m_pValue;
37 m_pValue = 0;
38#if !defined(BOOST_NO_EXCEPTIONS)
39 throw std::exception();
40#endif
41 }
42 }
43 }
44public:
45 MyInteger() : m_pValue(new int(0)) { check_exception(); }
46 MyInteger(int i) : m_pValue(new int(i)) { check_exception(); }
47 MyInteger(const MyInteger& src) : m_pValue(new int(src)) { check_exception(); }
48 ~MyInteger() { delete m_pValue; }
49 MyInteger& operator = (const MyInteger& src) {
50 if (this == &src)
51 return *this;
52 check_exception();
53 delete m_pValue;
54 m_pValue = new int(src);
55 return *this;
56 }
57 operator int () const { return *m_pValue; }
58 static void set_exception_trigger(int n) { ms_exception_trigger = n; }
59};
60
61// default constructible class
62class MyDefaultConstructible
63{
64public:
65 MyDefaultConstructible() : m_n(1) {}
66 MyDefaultConstructible(int n) : m_n(n) {}
67 int m_n;
68};
69
70// class counting instances of self
71class InstanceCounter {
72public:
73 InstanceCounter() { increment(); }
74 InstanceCounter(const InstanceCounter& y) { y.increment(); }
75 ~InstanceCounter() { decrement(); }
76 static int count() { return ms_count; }
77private:
78 void increment() const { ++ms_count; }
79 void decrement() const { --ms_count; }
80 static int ms_count;
81};
82
83// dummy class suitable for iterator referencing test
84class Dummy {
85public:
86 enum DummyEnum {
87 eVar,
88 eFnc,
89 eConst,
90 eVirtual
91 };
92 Dummy() : m_n(eVar) {}
93 DummyEnum fnc() { return eFnc; }
94 DummyEnum const_fnc() const { return eConst; }
95 virtual DummyEnum virtual_fnc() { return eVirtual; }
96 DummyEnum m_n;
97};
98
99// simulator of an input iterator
100struct MyInputIterator
101: boost::iterator<std::input_iterator_tag, int, ptrdiff_t, int*, int&> {
102 typedef std::vector<int>::iterator vector_iterator;
103 typedef int value_type;
104 typedef int* pointer;
105 typedef int& reference;
106 typedef size_t size_type;
107 typedef ptrdiff_t difference_type;
108 explicit MyInputIterator(const vector_iterator& it) : m_it(it) {}
109 MyInputIterator& operator = (const MyInputIterator& it) {
110 if (this == &it)
111 return *this;
112 m_it = it.m_it;
113 return *this;
114 }
115 reference operator * () const { return *m_it; }
116 pointer operator -> () const { return &(operator*()); }
117 MyInputIterator& operator ++ () {
118 ++m_it;
119 return *this;
120 }
121 MyInputIterator operator ++ (int) {
122 MyInputIterator tmp = *this;
123 ++*this;
124 return tmp;
125 }
126 bool operator == (const MyInputIterator& it) const { return m_it == it.m_it; }
127 bool operator != (const MyInputIterator& it) const { return m_it != it.m_it; }
128private:
129 vector_iterator m_it;
130};
131
132#if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) && !defined(BOOST_MSVC_STD_ITERATOR)
133
134inline std::input_iterator_tag iterator_category(const MyInputIterator&) {
135 return std::input_iterator_tag();
136}
137inline int* value_type(const MyInputIterator&) { return 0; }
138inline ptrdiff_t* distance_type(const MyInputIterator&) { return 0; }
139
140#endif // #if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) && !defined(BOOST_MSVC_STD_ITERATOR)
141
142using boost::unit_test::test_suite;
143using namespace boost;
144using namespace std;
145
146#endif // #if !defined(BOOST_CIRCULAR_BUFFER_TEST_HPP)
147

source code of boost/libs/circular_buffer/test/test.hpp