1 /* Boost.MultiIndex test for capacity memfuns.
2 *
3 * Copyright 2003-2015 Joaquin M Lopez Munoz.
4 * Distributed under the Boost Software License, Version 1.0.
5 * (See accompanying file LICENSE_1_0.txt or copy at
6 * http://www.boost.org/LICENSE_1_0.txt)
7 *
8 * See http://www.boost.org/libs/multi_index for library home page.
9 */
10
11 #include "test_capacity.hpp"
12
13 #include <boost/config.hpp> /* keep it first to prevent nasty warns in MSVC */
14 #include "pre_multi_index.hpp"
15 #include "employee.hpp"
16 #include <boost/detail/lightweight_test.hpp>
17
18 using namespace boost::multi_index;
19
test_capacity()20 void test_capacity()
21 {
22 employee_set es;
23
24 es.insert(employee(0,"Joe",31,1123));
25 es.insert(employee(1,"Robert",27,5601));
26 es.insert(employee(2,"John",40,7889));
27 es.insert(employee(3,"Albert",20,9012));
28 es.insert(employee(4,"John",57,1002));
29
30 BOOST_TEST(!es.empty());
31 BOOST_TEST(es.size()==5);
32 BOOST_TEST(es.size()<=es.max_size());
33
34 es.erase(es.begin());
35 BOOST_TEST(!get<name>(es).empty());
36 BOOST_TEST(get<name>(es).size()==4);
37 BOOST_TEST(get<name>(es).size()<=get<name>(es).max_size());
38
39 es.erase(es.begin());
40 BOOST_TEST(!get<as_inserted>(es).empty());
41 BOOST_TEST(get<as_inserted>(es).size()==3);
42 BOOST_TEST(get<as_inserted>(es).size()<=get<as_inserted>(es).max_size());
43
44 multi_index_container<int,indexed_by<sequenced<> > > ss;
45
46 ss.resize(10);
47 BOOST_TEST(ss.size()==10);
48 BOOST_TEST(ss.size()<=ss.max_size());
49
50 ss.resize(20,666);
51 BOOST_TEST(ss.size()==20);
52 BOOST_TEST(ss.back()==666);
53
54 ss.resize(5,10);
55 BOOST_TEST(ss.size()==5);
56
57 ss.resize(4);
58 BOOST_TEST(ss.size()==4);
59
60 multi_index_container<int,indexed_by<random_access<> > > rs;
61
62 rs.resize(10);
63 BOOST_TEST(rs.size()==10);
64 BOOST_TEST(rs.size()<=rs.max_size());
65 BOOST_TEST(rs.size()<=rs.capacity());
66
67 rs.resize(20,666);
68 BOOST_TEST(rs.size()==20);
69 BOOST_TEST(rs.back()==666);
70 BOOST_TEST(rs.size()<=rs.capacity());
71
72 employee_set::size_type c=rs.capacity();
73 rs.resize(10,20);
74 BOOST_TEST(rs.size()==10);
75 BOOST_TEST(rs.capacity()==c);
76
77 rs.resize(5);
78 BOOST_TEST(rs.size()==5);
79 BOOST_TEST(rs.capacity()==c);
80
81 rs.reserve(100);
82 BOOST_TEST(rs.size()==5);
83 BOOST_TEST(rs.capacity()>=100);
84
85 c=rs.capacity();
86 rs.reserve(99);
87 BOOST_TEST(rs.size()==5);
88 BOOST_TEST(rs.capacity()==c);
89
90 rs.shrink_to_fit();
91 BOOST_TEST(rs.size()==5);
92 BOOST_TEST(rs.capacity()==rs.size());
93
94 rs.clear();
95 rs.shrink_to_fit();
96 BOOST_TEST(rs.capacity()==0);
97 }
98