1// { dg-options "-std=gnu++11" }
2
3// Copyright (C) 2008-2015 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// 23.2.3.n forward_list xxx [lib.forward_list.xxx]
21
22#include <forward_list>
23#include <testsuite_hooks.h>
24
25#include <string>
26
27bool test __attribute__((unused)) = true;
28
29// This test verifies the following:
30//   insert_after single item
31//   before_begin iterator
32void
33test01()
34{
35  std::forward_list<int> fl({0, 1, 2, 3, 4, 5, 6, 7, 8, 9});
36
37  std::forward_list<int>::iterator ret = fl.insert_after(fl.before_begin(),
38							 42);
39  VERIFY( ret == fl.begin() );
40  VERIFY( fl.front() == 42 );
41}
42
43// This test verifies the following:
44void
45test02()
46{
47  std::forward_list<int> fl({0, 1, 2, 3, 4, 5, 6, 7, 8, 9});
48
49  std::forward_list<int>::const_iterator pos = fl.cbegin();
50  ++pos;
51  VERIFY( *pos == 1 );
52
53  std::forward_list<int>::iterator ret = fl.insert_after(pos, 0, 42);
54  VERIFY( ret == pos );
55
56  ret = fl.insert_after(pos, 5, 42);
57  VERIFY( *pos == 1 );
58
59  ++pos;
60  VERIFY( *pos == 42 );
61  ++pos;
62  ++pos;
63  ++pos;
64  ++pos;
65  VERIFY( *pos == 42 );
66  VERIFY( ret == pos );
67  ++pos;
68  VERIFY( *pos == 2 );
69}
70
71// This test verifies the following:
72void
73test03()
74{
75  std::forward_list<int> fl({0, 1, 2, 3, 4, 5, 6, 7, 8, 9});
76
77  std::forward_list<int>::const_iterator pos = fl.cbegin();
78  ++pos;
79  VERIFY( *pos == 1 );
80
81  int i[3] = {666, 777, 888};
82  std::forward_list<int>::iterator ret = fl.insert_after(pos, i, i);
83  VERIFY( ret == pos );
84
85  ret = fl.insert_after(pos, i, i + 3);
86  VERIFY( *pos == 1 );
87
88  ++pos;
89  ++pos;
90  ++pos;
91  VERIFY( *pos == 888 );
92  VERIFY( ret == pos );
93  ++pos;
94  VERIFY( *pos == 2 );
95}
96
97// This test verifies the following:
98void
99test04()
100{
101  std::forward_list<int> fl({0, 1, 2, 3, 4, 5, 6, 7, 8, 9});
102
103  std::forward_list<int>::const_iterator pos = fl.cbegin();
104  ++pos;
105  VERIFY( *pos == 1 );
106
107  std::forward_list<int>::iterator ret = fl.insert_after(pos, { });
108  VERIFY( ret == pos);
109
110  ret = fl.insert_after(pos, {-1, -2, -3, -4, -5});
111  VERIFY( *pos == 1);
112
113  ++pos;
114  ++pos;
115  ++pos;
116  VERIFY( *pos == -3 );
117  ++pos;
118  ++pos;
119  VERIFY( ret == pos );
120  ++pos;
121  VERIFY( *pos == 2 );
122}
123
124// This test verifies the following:
125void
126test05()
127{
128  std::forward_list<std::string> fl({"AAA", "BBB", "CCC"});
129
130  std::forward_list<std::string>::const_iterator pos = fl.cbegin();
131  ++pos;
132  VERIFY( *pos == "BBB" );
133
134  std::string x( "XXX" );
135  std::forward_list<std::string>::iterator ret
136    = fl.insert_after(pos, std::move(x));
137  VERIFY( *pos == "BBB" );
138  ++pos;
139  VERIFY( ret == pos );
140  VERIFY( *pos == "XXX" );
141  ++pos;
142  VERIFY( *pos == "CCC" );
143}
144
145int
146main()
147{
148  test01();
149  test02();
150  test03();
151  test04();
152  test05();
153  return 0;
154}
155