1 // 2005-12-20  Paolo Carlini  <pcarlini@suse.de>
2 
3 // Copyright (C) 2005-2019 Free Software Foundation, Inc.
4 //
5 // This file is part of the GNU ISO C++ Library.  This library is free
6 // software; you can redistribute it and/or modify it under the
7 // terms of the GNU General Public License as published by the
8 // Free Software Foundation; either version 3, or (at your option)
9 // any later version.
10 
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 // GNU General Public License for more details.
15 
16 // You should have received a copy of the GNU General Public License along
17 // with this library; see the file COPYING3.  If not see
18 // <http://www.gnu.org/licenses/>.
19 
20 // 6.3.4.3 unordered_set::swap
21 
22 #include <tr1/unordered_set>
23 #include <set>
24 #include <testsuite_hooks.h>
25 #include <testsuite_allocator.h>
26 
27 // uneq_allocator as a non-empty allocator.
28 void
test01()29 test01()
30 {
31   using namespace std::tr1;
32   using std::equal_to;
33   using std::set;
34 
35   typedef __gnu_test::uneq_allocator<char> my_alloc;
36   typedef unordered_set<char, hash<char>, equal_to<char>, my_alloc> my_uset;
37 
38   const char title01[] = "Rivers of sand";
39   const char title02[] = "Concret PH";
40   const char title03[] = "Sonatas and Interludes for Prepared Piano";
41   const char title04[] = "never as tired as when i'm waking up";
42 
43   const size_t N1 = sizeof(title01);
44   const size_t N2 = sizeof(title02);
45   const size_t N3 = sizeof(title03);
46   const size_t N4 = sizeof(title04);
47 
48   typedef set<char> my_set;
49   const my_set set01_ref(title01, title01 + N1);
50   const my_set set02_ref(title02, title02 + N2);
51   const my_set set03_ref(title03, title03 + N3);
52   const my_set set04_ref(title04, title04 + N4);
53 
54   my_uset::size_type size01, size02;
55 
56   my_alloc alloc01(1);
57 
58   my_uset uset01(10, hash<char>(), equal_to<char>(), alloc01);
59   size01 = uset01.size();
60   my_uset uset02(10, hash<char>(), equal_to<char>(), alloc01);
61   size02 = uset02.size();
62 
63   uset01.swap(uset02);
64   VERIFY( uset01.size() == size02 );
65   VERIFY( uset01.empty() );
66   VERIFY( uset02.size() == size01 );
67   VERIFY( uset02.empty() );
68 
69   my_uset uset03(10, hash<char>(), equal_to<char>(), alloc01);
70   size01 = uset03.size();
71   my_uset uset04(set02_ref.begin(), set02_ref.end(), 10, hash<char>(),
72 		 equal_to<char>(), alloc01);
73   size02 = uset04.size();
74 
75   uset03.swap(uset04);
76   VERIFY( uset03.size() == size02 );
77   VERIFY( my_set(uset03.begin(), uset03.end()) == set02_ref );
78   VERIFY( uset04.size() == size01 );
79   VERIFY( uset04.empty() );
80 
81   my_uset uset05(set01_ref.begin(), set01_ref.end(), 10, hash<char>(),
82 		 equal_to<char>(), alloc01);
83   size01 = uset05.size();
84   my_uset uset06(set02_ref.begin(), set02_ref.end(), 10, hash<char>(),
85 		 equal_to<char>(), alloc01);
86   size02 = uset06.size();
87 
88   uset05.swap(uset06);
89   VERIFY( uset05.size() == size02 );
90   VERIFY( my_set(uset05.begin(), uset05.end()) == set02_ref );
91   VERIFY( uset06.size() == size01 );
92   VERIFY( my_set(uset06.begin(), uset06.end()) == set01_ref );
93 
94   my_uset uset07(set01_ref.begin(), set01_ref.end(), 10, hash<char>(),
95 		 equal_to<char>(), alloc01);
96   size01 = uset07.size();
97   my_uset uset08(set03_ref.begin(), set03_ref.end(), 10, hash<char>(),
98 		 equal_to<char>(), alloc01);
99   size02 = uset08.size();
100 
101   uset07.swap(uset08);
102   VERIFY( uset07.size() == size02 );
103   VERIFY( my_set(uset07.begin(), uset07.end()) == set03_ref );
104   VERIFY( uset08.size() == size01 );
105   VERIFY( my_set(uset08.begin(), uset08.end()) == set01_ref );
106 
107   my_uset uset09(set03_ref.begin(), set03_ref.end(), 10, hash<char>(),
108 		 equal_to<char>(), alloc01);
109   size01 = uset09.size();
110   my_uset uset10(set04_ref.begin(), set04_ref.end(), 10, hash<char>(),
111 		 equal_to<char>(), alloc01);
112   size02 = uset10.size();
113 
114   uset09.swap(uset10);
115   VERIFY( uset09.size() == size02 );
116   VERIFY( my_set(uset09.begin(), uset09.end()) == set04_ref );
117   VERIFY( uset10.size() == size01 );
118   VERIFY( my_set(uset10.begin(), uset10.end()) == set03_ref );
119 
120   my_uset uset11(set04_ref.begin(), set04_ref.end(), 10, hash<char>(),
121 		 equal_to<char>(), alloc01);
122   size01 = uset11.size();
123   my_uset uset12(set01_ref.begin(), set01_ref.end(), 10, hash<char>(),
124 		 equal_to<char>(), alloc01);
125   size02 = uset12.size();
126 
127   uset11.swap(uset12);
128   VERIFY( uset11.size() == size02 );
129   VERIFY( my_set(uset11.begin(), uset11.end()) == set01_ref );
130   VERIFY( uset12.size() == size01 );
131   VERIFY( my_set(uset12.begin(), uset12.end()) == set04_ref );
132 
133   my_uset uset13(set03_ref.begin(), set03_ref.end(), 10, hash<char>(),
134 		 equal_to<char>(), alloc01);
135   size01 = uset13.size();
136   my_uset uset14(set03_ref.begin(), set03_ref.end(), 10, hash<char>(),
137 		 equal_to<char>(), alloc01);
138   size02 = uset14.size();
139 
140   uset13.swap(uset14);
141   VERIFY( uset13.size() == size02 );
142   VERIFY( my_set(uset13.begin(), uset13.end()) == set03_ref );
143   VERIFY( uset14.size() == size01 );
144   VERIFY( my_set(uset14.begin(), uset14.end()) == set03_ref );
145 }
146 
main()147 int main()
148 {
149   test01();
150   return 0;
151 }
152