forked from boostorg/unordered
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathnode_handle_tests.cpp
More file actions
424 lines (369 loc) · 11.5 KB
/
node_handle_tests.cpp
File metadata and controls
424 lines (369 loc) · 11.5 KB
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
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
// Copyright 2016 Daniel James.
// Distributed under 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)
#include "../helpers/postfix.hpp"
#include "../helpers/prefix.hpp"
#include <boost/unordered_map.hpp>
#include <boost/unordered_set.hpp>
#include "../helpers/helpers.hpp"
#include "../helpers/metafunctions.hpp"
#include "../helpers/test.hpp"
#include <boost/core/pointer_traits.hpp>
#include <boost/static_assert.hpp>
#include <boost/type_traits/is_same.hpp>
#include <set>
#include <string>
UNORDERED_AUTO_TEST (example1) {
typedef boost::unordered_map<int, std::string>::insert_return_type
insert_return_type;
boost::unordered_map<int, std::string> src;
src.emplace(1, "one");
src.emplace(2, "two");
src.emplace(3, "buckle my shoe");
boost::unordered_map<int, std::string> dst;
dst.emplace(3, "three");
dst.insert(src.extract(src.find(1)));
dst.insert(src.extract(2));
insert_return_type r = dst.insert(src.extract(3));
BOOST_TEST(src.empty());
BOOST_TEST(dst.size() == 3);
BOOST_TEST(dst[1] == "one");
BOOST_TEST(dst[2] == "two");
BOOST_TEST(dst[3] == "three");
BOOST_TEST(!r.inserted);
BOOST_TEST(r.position == dst.find(3));
BOOST_TEST(r.node.mapped() == "buckle my shoe");
}
UNORDERED_AUTO_TEST (example2) {
boost::unordered_set<int> src;
src.insert(1);
src.insert(3);
src.insert(5);
boost::unordered_set<int> dst;
dst.insert(2);
dst.insert(4);
dst.insert(5);
// dst.merge(src);
// Merge src into dst.
// src == {5}
// dst == {1, 2, 3, 4, 5}
}
UNORDERED_AUTO_TEST (example3) {
typedef boost::unordered_set<int>::iterator iterator;
boost::unordered_set<int> src;
src.insert(1);
src.insert(3);
src.insert(5);
boost::unordered_set<int> dst;
dst.insert(2);
dst.insert(4);
dst.insert(5);
for (iterator i = src.begin(); i != src.end();) {
std::pair<iterator, iterator> p = dst.equal_range(*i);
if (p.first == p.second)
dst.insert(p.first, src.extract(i++));
else
++i;
}
BOOST_TEST(src.size() == 1);
BOOST_TEST(*src.begin() == 5);
std::set<int> dst2(dst.begin(), dst.end());
std::set<int>::iterator it = dst2.begin();
BOOST_TEST(*it++ == 1);
BOOST_TEST(*it++ == 2);
BOOST_TEST(*it++ == 3);
BOOST_TEST(*it++ == 4);
BOOST_TEST(*it++ == 5);
BOOST_TEST(it == dst2.end());
}
UNORDERED_AUTO_TEST (failed_insertion_with_hint) {
{
boost::unordered_set<int> src;
boost::unordered_set<int> dst;
src.emplace(10);
src.emplace(20);
dst.emplace(10);
dst.emplace(20);
boost::unordered_set<int>::node_type nh = src.extract(10);
BOOST_TEST(dst.insert(dst.find(10), boost::move(nh)) == dst.find(10));
BOOST_TEST(nh);
BOOST_TEST(!nh.empty());
BOOST_TEST(nh.value() == 10);
BOOST_TEST(dst.insert(dst.find(20), boost::move(nh)) == dst.find(10));
BOOST_TEST(nh);
BOOST_TEST(!nh.empty());
BOOST_TEST(nh.value() == 10);
BOOST_TEST(src.count(10) == 0);
BOOST_TEST(src.count(20) == 1);
BOOST_TEST(dst.count(10) == 1);
BOOST_TEST(dst.count(20) == 1);
}
{
boost::unordered_map<int, int> src;
boost::unordered_map<int, int> dst;
src.emplace(10, 30);
src.emplace(20, 5);
dst.emplace(10, 20);
dst.emplace(20, 2);
boost::unordered_map<int, int>::node_type nh = src.extract(10);
BOOST_TEST(dst.insert(dst.find(10), boost::move(nh)) == dst.find(10));
BOOST_TEST(nh);
BOOST_TEST(!nh.empty());
BOOST_TEST(nh.key() == 10);
BOOST_TEST(nh.mapped() == 30);
BOOST_TEST(dst[10] == 20);
BOOST_TEST(dst.insert(dst.find(20), boost::move(nh)) == dst.find(10));
BOOST_TEST(nh);
BOOST_TEST(!nh.empty());
BOOST_TEST(nh.key() == 10);
BOOST_TEST(nh.mapped() == 30);
BOOST_TEST(dst[10] == 20);
BOOST_TEST(src.count(10) == 0);
BOOST_TEST(src.count(20) == 1);
BOOST_TEST(dst.count(10) == 1);
BOOST_TEST(dst.count(20) == 1);
}
}
template <typename NodeHandle>
bool node_handle_compare(
NodeHandle const& nh, typename NodeHandle::value_type const& x)
{
return x == nh.value();
}
template <typename NodeHandle>
bool node_handle_compare(
NodeHandle const& nh, std::pair<typename NodeHandle::key_type const,
typename NodeHandle::mapped_type> const& x)
{
return x.first == nh.key() && x.second == nh.mapped();
}
template <typename Container> void node_handle_tests_impl(Container& c)
{
typedef typename Container::node_type node_type;
typename Container::value_type value = *c.begin();
node_type n1;
BOOST_TEST(!n1);
BOOST_TEST(n1.empty());
node_type n2 = c.extract(c.begin());
BOOST_TEST(n2);
BOOST_TEST(!n2.empty());
node_handle_compare(n2, value);
node_type n3 = boost::move(n2);
BOOST_TEST(n3);
BOOST_TEST(!n2);
node_handle_compare(n3, value);
// TODO: Check that n2 doesn't have an allocator?
// Maybe by swapping and observing that the allocator is
// swapped rather than moved?
n1 = boost::move(n3);
BOOST_TEST(n1);
BOOST_TEST(!n3);
node_handle_compare(n1, value);
// Self move-assignment empties the node_handle.
n1 = boost::move(n1);
BOOST_TEST(!n1);
n3 = boost::move(n3);
BOOST_TEST(!n3);
typename Container::value_type value1 = *c.begin();
n1 = c.extract(c.begin());
typename Container::value_type value2 = *c.begin();
n2 = c.extract(c.begin());
n3 = node_type();
node_handle_compare(n1, value1);
node_handle_compare(n2, value2);
n1.swap(n2);
BOOST_TEST(n1);
BOOST_TEST(n2);
node_handle_compare(n1, value2);
node_handle_compare(n2, value1);
BOOST_TEST(n1);
BOOST_TEST(!n3);
n1.swap(n3);
BOOST_TEST(!n1);
BOOST_TEST(n3);
node_handle_compare(n3, value2);
BOOST_TEST(!n1);
BOOST_TEST(n2);
n1.swap(n2);
BOOST_TEST(n1);
BOOST_TEST(!n2);
node_handle_compare(n1, value1);
node_type n4;
BOOST_TEST(!n2);
BOOST_TEST(!n4);
n2.swap(n4);
BOOST_TEST(!n2);
BOOST_TEST(!n4);
}
UNORDERED_AUTO_TEST (node_handle_tests) {
boost::unordered_set<int> x1;
x1.emplace(100);
x1.emplace(140);
x1.emplace(-55);
node_handle_tests_impl(x1);
boost::unordered_map<int, std::string> x2;
x2.emplace(10, "ten");
x2.emplace(-23, "twenty");
x2.emplace(-76, "thirty");
node_handle_tests_impl(x2);
}
template <typename Container1, typename Container2>
void insert_node_handle_unique(Container1& c1, Container2& c2)
{
typedef typename Container1::node_type node_type;
typedef typename Container1::value_type value_type;
BOOST_STATIC_ASSERT(
(boost::is_same<node_type, typename Container2::node_type>::value));
typedef typename Container1::insert_return_type insert_return_type1;
typedef typename Container2::insert_return_type insert_return_type2;
insert_return_type1 r1 = c1.insert(node_type());
insert_return_type2 r2 = c2.insert(node_type());
BOOST_TEST(!r1.inserted);
BOOST_TEST(!r1.node);
BOOST_TEST(r1.position == c1.end());
BOOST_TEST(!r2.inserted);
BOOST_TEST(!r2.node);
BOOST_TEST(r2.position == c2.end());
while (!c1.empty()) {
value_type v = *c1.begin();
value_type const* v_ptr = boost::to_address(c1.begin());
std::size_t count = c2.count(test::get_key<Container1>(v));
insert_return_type2 r = c2.insert(c1.extract(c1.begin()));
if (!count) {
BOOST_TEST(r.inserted);
BOOST_TEST_EQ(c2.count(test::get_key<Container1>(v)), count + 1);
BOOST_TEST(r.position != c2.end());
BOOST_TEST(boost::to_address(r.position) == v_ptr);
BOOST_TEST(!r.node);
} else {
BOOST_TEST(!r.inserted);
BOOST_TEST_EQ(c2.count(test::get_key<Container1>(v)), count);
BOOST_TEST(r.position != c2.end());
BOOST_TEST(
test::get_key<Container2>(*r.position) == test::get_key<Container2>(v));
BOOST_TEST(r.node);
node_handle_compare(r.node, v);
}
}
}
template <typename Container1, typename Container2>
void insert_node_handle_unique2(Container1& c1, Container2& c2)
{
typedef typename Container1::node_type node_type;
typedef typename Container1::value_type value_type;
BOOST_STATIC_ASSERT(
(boost::is_same<node_type, typename Container2::node_type>::value));
// typedef typename Container1::insert_return_type
// insert_return_type1;
typedef typename Container2::insert_return_type insert_return_type2;
while (!c1.empty()) {
value_type v = *c1.begin();
value_type const* v_ptr = boost::to_address(c1.begin());
std::size_t count = c2.count(test::get_key<Container1>(v));
insert_return_type2 r = c2.insert(c1.extract(test::get_key<Container1>(v)));
if (r.inserted) {
BOOST_TEST_EQ(c2.count(test::get_key<Container1>(v)), count + 1);
BOOST_TEST(r.position != c2.end());
BOOST_TEST(boost::to_address(r.position) == v_ptr);
BOOST_TEST(!r.node);
} else {
BOOST_TEST_EQ(c2.count(test::get_key<Container1>(v)), count);
BOOST_TEST(r.position != c2.end());
BOOST_TEST(
test::get_key<Container2>(*r.position) == test::get_key<Container2>(v));
BOOST_TEST(r.node);
node_handle_compare(r.node, v);
}
}
}
template <typename Container1, typename Container2>
void insert_node_handle_equiv(Container1& c1, Container2& c2)
{
typedef typename Container1::node_type node_type;
typedef typename Container1::value_type value_type;
BOOST_STATIC_ASSERT(
(boost::is_same<node_type, typename Container2::node_type>::value));
typedef typename Container1::iterator iterator1;
typedef typename Container2::iterator iterator2;
iterator1 r1 = c1.insert(node_type());
iterator2 r2 = c2.insert(node_type());
BOOST_TEST(r1 == c1.end());
BOOST_TEST(r2 == c2.end());
while (!c1.empty()) {
value_type v = *c1.begin();
value_type const* v_ptr = boost::to_address(c1.begin());
std::size_t count = c2.count(test::get_key<Container1>(v));
iterator2 r = c2.insert(c1.extract(c1.begin()));
BOOST_TEST_EQ(c2.count(test::get_key<Container1>(v)), count + 1);
BOOST_TEST(r != c2.end());
BOOST_TEST(boost::to_address(r) == v_ptr);
}
}
struct hash_thing
{
std::size_t operator()(int x) const
{
return static_cast<std::size_t>(x * 13 + 5);
}
};
UNORDERED_AUTO_TEST (insert_node_handle_unique_tests) {
{
boost::unordered_set<int> x1;
boost::unordered_set<int> x2;
x1.emplace(100);
x1.emplace(140);
x1.emplace(-55);
x2.emplace(140);
insert_node_handle_unique(x1, x2);
BOOST_TEST(x2.size() == 3);
}
{
boost::unordered_map<int, int, hash_thing> x1;
boost::unordered_map<int, int> x2;
x1.emplace(67, 50);
x1.emplace(23, 45);
x1.emplace(18, 19);
x2.emplace(23, 50);
x2.emplace(12, 49);
insert_node_handle_unique(x1, x2);
BOOST_TEST(x2.size() == 4);
}
}
UNORDERED_AUTO_TEST (insert_node_handle_equiv_tests) {
{
boost::unordered_multimap<int, int, hash_thing> x1;
boost::unordered_multimap<int, int> x2;
x1.emplace(67, 50);
x1.emplace(67, 100);
x1.emplace(23, 45);
x1.emplace(18, 19);
x2.emplace(23, 50);
x2.emplace(12, 49);
insert_node_handle_equiv(x1, x2);
BOOST_TEST(x2.size() == 6);
}
}
UNORDERED_AUTO_TEST (insert_node_handle_unique_tests2) {
{
boost::unordered_set<int> x1;
boost::unordered_set<int> x2;
x1.emplace(100);
x1.emplace(140);
x1.emplace(-55);
x2.emplace(140);
insert_node_handle_unique2(x1, x2);
BOOST_TEST(x2.size() == 3);
}
{
boost::unordered_map<int, int, hash_thing> x1;
boost::unordered_map<int, int> x2;
x1.emplace(67, 50);
x1.emplace(23, 45);
x1.emplace(18, 19);
x2.emplace(23, 50);
x2.emplace(12, 49);
insert_node_handle_unique2(x1, x2);
BOOST_TEST(x2.size() == 4);
}
}
RUN_TESTS()