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
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
|
// Range v3 library
//
// Copyright Eric Niebler 2014-present
//
// Use, modification and distribution is subject to the
// Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
// Project home: https://github.com/ericniebler/range-v3
//
// Copyright 2005 - 2007 Adobe Systems Incorporated
// Distributed under the MIT License(see accompanying file LICENSE_1_0_0.txt
// or a copy at http://stlab.adobe.com/licenses.html)
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <algorithm>
// template<random_access_iterator Iter>
// requires ShuffleIterator<Iter>
// && LessThanComparable<Iter::value_type>
// void
// push_heap(Iter first, Iter last);
#include <memory>
#include <random>
#include <algorithm>
#include <functional>
#include <range/v3/core.hpp>
#include <range/v3/algorithm/heap_algorithm.hpp>
#include "../array.hpp"
#include "../simple_test.hpp"
#include "../test_utils.hpp"
#include "../test_iterators.hpp"
RANGES_DIAGNOSTIC_IGNORE_GLOBAL_CONSTRUCTORS
RANGES_DIAGNOSTIC_IGNORE_SIGN_CONVERSION
namespace
{
std::mt19937 gen;
void test_basic(int N)
{
auto push_heap = make_testable_1(ranges::push_heap);
int* ia = new int[N];
for (int i = 0; i < N; ++i)
ia[i] = i;
std::shuffle(ia, ia+N, gen);
for (int i = 0; i <= N; ++i)
{
push_heap(ia, ia+i).check([&](int *r){CHECK(r == ia + i);});
CHECK(std::is_heap(ia, ia+i));
}
delete[] ia;
}
void test_comp(int N)
{
auto push_heap = make_testable_1(ranges::push_heap);
int* ia = new int[N];
for (int i = 0; i < N; ++i)
ia[i] = i;
std::shuffle(ia, ia+N, gen);
for (int i = 0; i <= N; ++i)
{
push_heap(ia, ia+i, std::greater<int>()).check([&](int *r){CHECK(r == ia+i);});
CHECK(std::is_heap(ia, ia+i, std::greater<int>()));
}
delete[] ia;
}
struct S
{
int i;
};
void test_proj(int N)
{
auto push_heap = make_testable_1(ranges::push_heap);
S* ia = new S[N];
int* ib = new int[N];
for (int i = 0; i < N; ++i)
ia[i].i = i;
std::shuffle(ia, ia+N, gen);
for (int i = 0; i <= N; ++i)
{
push_heap(ia, ia+i, std::greater<int>(), &S::i).check([&](S *r){CHECK(r == ia+i);});
std::transform(ia, ia+i, ib, std::mem_fn(&S::i));
CHECK(std::is_heap(ib, ib+i, std::greater<int>()));
}
delete[] ia;
delete[] ib;
}
struct indirect_less
{
template<class P>
bool operator()(const P& x, const P& y)
{return *x < *y;}
};
void test_move_only(int N)
{
auto const push_heap = make_testable_1(ranges::push_heap);
std::unique_ptr<int>* ia = new std::unique_ptr<int>[N];
for (int i = 0; i < N; ++i)
ia[i].reset(new int(i));
std::shuffle(ia, ia+N, gen);
for (int i = 0; i <= N; ++i)
{
push_heap(ia, ia+i, indirect_less()).check([&](std::unique_ptr<int> *r){CHECK(r == ia+i);});
CHECK(std::is_heap(ia, ia+i, indirect_less()));
}
delete[] ia;
}
}
constexpr bool test_constexpr()
{
using namespace ranges;
constexpr int N = 100;
test::array<int, N> ia{{0}};
for(int i = 0; i < N; ++i)
ia[i] = i;
for(int i = 0; i <= N; ++i)
{
STATIC_CHECK_RETURN(push_heap(make_subrange(begin(ia), begin(ia) + i),
std::greater<int>()) == begin(ia) + i);
STATIC_CHECK_RETURN(is_heap(begin(ia), begin(ia) + i, std::greater<int>()));
}
return true;
}
int main()
{
test_basic(1000);
test_comp(1000);
test_proj(1000);
test_move_only(1000);
{
int const N = 1000;
S* ia = new S[N];
int* ib = new int[N];
for (int i = 0; i < N; ++i)
ia[i].i = i;
std::shuffle(ia, ia+N, gen);
for (int i = 0; i <= N; ++i)
{
CHECK(ranges::push_heap(ranges::make_subrange(ia, ia+i), std::greater<int>(), &S::i) == ia+i);
std::transform(ia, ia+i, ib, std::mem_fn(&S::i));
CHECK(std::is_heap(ib, ib+i, std::greater<int>()));
}
delete[] ia;
delete[] ib;
}
{
STATIC_CHECK(test_constexpr());
}
return test_result();
}
|
