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1 // { dg-options "-std=gnu++17" }
2
3 // Copyright (C) 2016-2019 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 // [string.modifiers]
21
22 #include <string>
23 #include <testsuite_hooks.h>
24
25 void
26 test03()
27 {
28 std::string_view str1("foo");
29 std::string str2("bar");
30 str2.replace(0, 3, str1);
31 VERIFY (str2 == str1);
32 str2 = "foobar";
33 str2.replace(3, 3, str1);
34 VERIFY (str2 == "foofoo");
35 str2 = "foobar";
36 str2.replace(3, 3, str1, 0, 3);
37 VERIFY (str2 == "foofoo");
38 str2 = "foobar";
39 str2.replace(3, 1024, str1, 0, 3);
40 VERIFY (str2 == "foofoo");
41 str2 = "foobar";
42 str2.replace(3, 3, str1, 0, 1024);
43 VERIFY (str2 == "foofoo");
44 str2 = "foobar";
45 str2.replace(str2.begin()+3, str2.begin()+6, str1);
46 VERIFY (str2 == "foofoo");
47 }
48
49 // PR libstdc++/77264
50 void
51 test04()
52 {
53 std::string str("a");
54 char c = 'b';
55 str.replace(0, 1, &c, 1);
56 VERIFY (str[0] == c);
57
58 char arr[] = "c";
59 str.replace(0, 1, arr, 1);
60 VERIFY (str[0] == arr[0]);
61
62 const char carr[] = "d";
63 str.replace(0, 1, carr, 1);
64 VERIFY (str[0] == carr[0]);
65
66 struct S {
67 operator char*() { return &c; }
68 operator std::string_view() { return "!"; }
69 char c = 'e';
70 };
71
72 str.replace(0, 1, S{}, 1);
73 VERIFY (str[0] == S{}.c);
74 }
75
76 int main()
77 {
78 test03();
79 test04();
80 return 0;
81 }