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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/23_containers/deque/modifiers/moveable.cc
1 // { dg-options "-std=gnu++11" }
3 // Copyright (C) 2005-2014 Free Software Foundation, Inc.
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)
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.
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/>.
22 #include <testsuite_hooks.h>
23 #include <testsuite_rvalref.h>
25 using namespace __gnu_test
;
27 // Test deque::push_back makes no unneeded copies.
31 bool test
__attribute__((unused
)) = true;
33 std::deque
<copycounter
> a
;
35 copycounter::copycount
= 0;
36 for(int i
= 0; i
< 1000; ++i
)
38 VERIFY(copycounter::copycount
== 1000);
41 // Test deque::push_front makes no unneeded copies.
45 bool test
__attribute__((unused
)) = true;
47 std::deque
<copycounter
> a
;
49 copycounter::copycount
= 0;
50 for(int i
= 0; i
< 1000; ++i
)
52 VERIFY(copycounter::copycount
== 1000);
55 // Test deque::insert makes no unneeded copies.
59 bool test
__attribute__((unused
)) = true;
61 std::deque
<copycounter
> a(1000);
63 copycounter::copycount
= 0;
64 a
.insert(a
.begin(),c
);
66 for(int i
= 0; i
< 500; ++i
)
67 a
.insert(a
.begin() + i
, c
);
68 VERIFY(copycounter::copycount
== 502);
71 // Test deque::insert(iterator, count, value) makes no unneeded copies
72 // when it has to also reallocate the deque's internal buffer.
76 bool test
__attribute__((unused
)) = true;
79 std::deque
<copycounter
> a(10, c
);
80 copycounter::copycount
= 0;
81 a
.insert(a
.begin(), 20, c
);
82 VERIFY(copycounter::copycount
== 20);
83 a
.insert(a
.end(), 50, c
);
84 VERIFY(copycounter::copycount
== 70);
85 // NOTE : These values are each one higher than might be expected, as
86 // deque::insert(iterator, count, value) copies the value it is given
87 // when it has to move elements in the deque in case that value is
91 a
.insert(a
.begin() + 10, 100, c
);
92 VERIFY(copycounter::copycount
== 170 + 1);
94 a
.insert(a
.end() - 10, 1000, c
);
95 VERIFY(copycounter::copycount
== 1170 + 2);
98 // Test deque::insert(iterator, count, value) makes no unneeded copies
99 // when it doesn't have to reallocate the deque's internal buffer.
103 bool test
__attribute__((unused
)) = true;
106 std::deque
<copycounter
> a(10, c
);
107 copycounter::copycount
= 0;
109 a
.insert(a
.begin(), 20, c
);
110 VERIFY(copycounter::copycount
== 20 );
111 a
.insert(a
.end(), 50, c
);
112 VERIFY(copycounter::copycount
== 70 );
114 // NOTE : These values are each one higher than might be expected, as
115 // deque::insert(iterator, count, value) copies the value it is given
116 // when it has to move elements in the deque in case that value is
119 a
.insert(a
.begin() + 10, 100, c
);
120 VERIFY(copycounter::copycount
== 170 + 1);
122 a
.insert(a
.end() - 10, 200, c
);
123 VERIFY(copycounter::copycount
== 370 + 2);