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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/20_util/shared_ptr/creation/make.cc
1 // { dg-do run { target c++11 } }
3 // Copyright (C) 2007-2022 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/>.
20 // 20.6.6.2 Template class shared_ptr [util.smartptr.shared]
23 #include <testsuite_hooks.h>
27 A(int i
, double d
, char c
= '\0') : i(i
), d(d
), c(c
) { ++ctor_count
; }
28 explicit A(int i
) : i(i
), d(), c() { ++ctor_count
; }
29 A() : i(), d(), c() { ++ctor_count
; }
30 ~A() { ++dtor_count
; }
34 static int ctor_count
;
35 static int dtor_count
;
37 int A::ctor_count
= 0;
38 int A::dtor_count
= 0;
40 struct reset_count_struct
49 // 20.6.6.2.6 shared_ptr creation [util.smartptr.shared.create]
54 reset_count_struct
__attribute__((unused
)) reset
;
57 std::shared_ptr
<A
> p1
= std::make_shared
<A
>();
58 VERIFY( p1
.get() != 0 );
59 VERIFY( p1
.use_count() == 1 );
60 VERIFY( A::ctor_count
== 1 );
62 VERIFY( A::ctor_count
== A::dtor_count
);
68 reset_count_struct
__attribute__((unused
)) reset
;
70 std::shared_ptr
<A
> p1
;
72 p1
= std::make_shared
<A
>(1);
73 VERIFY( A::ctor_count
== 1 );
75 p1
= std::make_shared
<A
>(1, 2.0);
76 VERIFY( A::ctor_count
== 2 );
77 VERIFY( A::dtor_count
== 1 );
79 p1
= std::make_shared
<A
>(1, 2.0, '3');
80 VERIFY( A::ctor_count
== 3 );
81 VERIFY( A::dtor_count
== 2 );
83 VERIFY( p1
->d
== 2.0 );
84 VERIFY( p1
->c
== '3' );
86 p1
= std::shared_ptr
<A
>();
87 VERIFY( A::ctor_count
== A::dtor_count
);