1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
// Copyright (C) 2001-2016 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// 23.2.2.4 list operations [lib.list.ops]
#include <testsuite_hooks.h>
// A comparison predicate to order by rightmost digit. Tracks call
// counts for performance checks.
struct CompLastLt
{
bool operator()(const int x, const int y)
{ ++itsCount; return x % 10 < y % 10; }
static int count() { return itsCount; }
static void reset() { itsCount = 0; }
static int itsCount;
};
int CompLastLt::itsCount;
struct CompLastEq
{
bool operator()(const int x, const int y)
{ ++itsCount; return x % 10 == y % 10; }
static int count() { return itsCount; }
static void reset() { itsCount = 0; }
static int itsCount;
};
int CompLastEq::itsCount;
// sort(pred) + merge(pred) + unique(pred)
// also checks performance requirements
template<typename _Tp>
void
operations04()
{
bool test __attribute__((unused)) = true;
typedef _Tp list_type;
const int A[] = {1, 2, 3, 4, 5, 6};
const int B[] = {12, 15, 13, 14, 11};
const int C[] = {11, 12, 13, 14, 15};
const int D[] = {1, 11, 2, 12, 3, 13, 4, 14, 5, 15, 6};
const int N = sizeof(A) / sizeof(int);
const int M = sizeof(B) / sizeof(int);
const int Q = sizeof(D) / sizeof(int);
list_type list0401(A, A + N);
list_type list0402(B, B + M);
list_type list0403(C, C + M);
list_type list0404(D, D + Q);
list_type list0405(A, A + N);
// sort B
CompLastLt lt;
CompLastLt::reset();
list0402.sort(lt);
VERIFY(list0402 == list0403);
CompLastLt::reset();
list0401.merge(list0402, lt);
VERIFY(list0401 == list0404);
#ifndef _GLIBCXX_DEBUG
VERIFY(lt.count() <= (N + M - 1));
#endif
CompLastEq eq;
CompLastEq::reset();
list0401.unique(eq);
VERIFY(list0401 == list0405);
#ifndef _GLIBCXX_DEBUG
VERIFY(eq.count() == (N + M - 1));
#endif
}
|
