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 | |
20 | void test_capacity() |
21 | { |
22 | employee_set es; |
23 | |
24 | es.insert(x: employee(0,"Joe" ,31,1123)); |
25 | es.insert(x: employee(1,"Robert" ,27,5601)); |
26 | es.insert(x: employee(2,"John" ,40,7889)); |
27 | es.insert(x: employee(3,"Albert" ,20,9012)); |
28 | es.insert(x: 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(position: 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(position: 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(n: 10); |
47 | BOOST_TEST(ss.size()==10); |
48 | BOOST_TEST(ss.size()<=ss.max_size()); |
49 | |
50 | ss.resize(n: 20,x: 666); |
51 | BOOST_TEST(ss.size()==20); |
52 | BOOST_TEST(ss.back()==666); |
53 | |
54 | ss.resize(n: 5,x: 10); |
55 | BOOST_TEST(ss.size()==5); |
56 | |
57 | ss.resize(n: 4); |
58 | BOOST_TEST(ss.size()==4); |
59 | |
60 | multi_index_container<int,indexed_by<random_access<> > > rs; |
61 | |
62 | rs.resize(n: 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(n: 20,x: 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(n: 10,x: 20); |
74 | BOOST_TEST(rs.size()==10); |
75 | BOOST_TEST(rs.capacity()==c); |
76 | |
77 | rs.resize(n: 5); |
78 | BOOST_TEST(rs.size()==5); |
79 | BOOST_TEST(rs.capacity()==c); |
80 | |
81 | rs.reserve(n: 100); |
82 | BOOST_TEST(rs.size()==5); |
83 | BOOST_TEST(rs.capacity()>=100); |
84 | |
85 | c=rs.capacity(); |
86 | rs.reserve(n: 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 | |