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83ffe9cd | 1 | // Copyright (C) 2019-2023 Free Software Foundation, Inc. |
846541dd JW |
2 | // |
3 | // This file is part of the GNU ISO C++ Library. This library is free | |
4 | // software; you can redistribute it and/or modify it under the | |
5 | // terms of the GNU General Public License as published by the | |
6 | // Free Software Foundation; either version 3, or (at your option) | |
7 | // any later version. | |
8 | ||
9 | // This library is distributed in the hope that it will be useful, | |
10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | // GNU General Public License for more details. | |
13 | ||
14 | // You should have received a copy of the GNU General Public License along | |
15 | // with this library; see the file COPYING3. If not see | |
16 | // <http://www.gnu.org/licenses/>. | |
17 | ||
18 | // { dg-do run } | |
19 | ||
20 | #include <algorithm> | |
21 | #include <testsuite_hooks.h> | |
22 | ||
23 | int a[4] = { 0, 1, 2, 3 }; | |
24 | int g; | |
25 | int gen() { return g; } | |
26 | enum E { e2 = 2 }; | |
27 | ||
28 | struct Num | |
29 | { | |
30 | char val; | |
31 | ||
32 | operator char() const { return val; } | |
33 | ||
34 | private: | |
35 | void operator+() const; | |
36 | void operator+(int) const; | |
37 | void operator+(Num) const; | |
38 | void operator<(int) const; | |
39 | void operator>(int) const; | |
40 | void operator<=(int) const; | |
41 | void operator>=(int) const; | |
42 | void operator==(int) const; | |
43 | void operator!=(int) const; | |
44 | }; | |
45 | ||
46 | void | |
47 | test01() | |
48 | { | |
49 | int* p; | |
50 | ||
51 | g = -1; | |
52 | p = std::generate_n(a, true, &gen); // bool as Size | |
53 | VERIFY( p == a+1 ); | |
54 | VERIFY( a[0] == g ); | |
55 | VERIFY( a[1] == 1 ); | |
56 | VERIFY( a[2] == 2 ); | |
57 | VERIFY( a[3] == 3 ); | |
58 | ||
59 | g = -2; | |
60 | p = std::generate_n(a, e2, &gen); // enumeration type as Size | |
61 | VERIFY( p == a+2 ); | |
62 | VERIFY( a[0] == g ); | |
63 | VERIFY( a[1] == g ); | |
64 | VERIFY( a[2] == 2 ); | |
65 | VERIFY( a[3] == 3 ); | |
66 | ||
67 | g = -3; | |
68 | p = std::generate_n(a, 3.5, &gen); // floating point type as Size | |
69 | VERIFY( p == a+3 ); | |
70 | VERIFY( a[0] == g ); | |
71 | VERIFY( a[1] == g ); | |
72 | VERIFY( a[2] == g ); | |
73 | VERIFY( a[3] == 3 ); | |
74 | ||
75 | g = -4; | |
76 | Num n = { 3 }; | |
77 | p = std::generate_n(a, n, &gen); // non-scalar type as Size | |
78 | VERIFY( p == a+3 ); | |
79 | VERIFY( a[0] == g ); | |
80 | VERIFY( a[1] == g ); | |
81 | VERIFY( a[2] == g ); | |
82 | VERIFY( a[3] == 3 ); | |
83 | } | |
84 | ||
85 | int main() | |
86 | { | |
87 | test01(); | |
88 | } |