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realm / realm-core / 2540

02 Aug 2024 08:26PM UTC coverage: 91.121% (+0.03%) from 91.088%
2540

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Fix a test failure when the default log level is too low (#7943)

This test was relying on the default log level being high enough that the
expected messages would actually be logged.

102924 of 182350 branches covered (56.44%)

1 of 1 new or added line in 1 file covered. (100.0%)

46 existing lines in 12 files now uncovered.

217171 of 238332 relevant lines covered (91.12%)

5627066.96 hits per line

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88.03
/src/realm/array_string.cpp
1
/*************************************************************************
2
 *
3
 * Copyright 2016 Realm Inc.
4
 *
5
 * Licensed under the Apache License, Version 2.0 (the "License");
6
 * you may not use this file except in compliance with the License.
7
 * You may obtain a copy of the License at
8
 *
9
 * http://www.apache.org/licenses/LICENSE-2.0
10
 *
11
 * Unless required by applicable law or agreed to in writing, software
12
 * distributed under the License is distributed on an "AS IS" BASIS,
13
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14
 * See the License for the specific language governing permissions and
15
 * limitations under the License.
16
 *
17
 **************************************************************************/
18

19
#include <realm/array_string.hpp>
20
#include <realm/spec.hpp>
21
#include <realm/mixed.hpp>
22

23
using namespace realm;
24

25
ArrayString::ArrayString(Allocator& a)
26
    : m_alloc(a)
9,973,023✔
27
{
20,189,136✔
28
    m_arr = new (&m_storage) ArrayStringShort(a, true);
20,189,136✔
29
}
20,189,136✔
30

31
void ArrayString::create()
32
{
552,867✔
33
    static_cast<ArrayStringShort*>(m_arr)->create();
552,867✔
34
}
552,867✔
35

36
void ArrayString::init_from_mem(MemRef mem) noexcept
37
{
13,131,243✔
38
    char* header = mem.get_addr();
13,131,243✔
39

40
    ArrayParent* parent = m_arr->get_parent();
13,131,243✔
41
    size_t ndx_in_parent = m_arr->get_ndx_in_parent();
13,131,243✔
42

43
    bool long_strings = Array::get_hasrefs_from_header(header);
13,131,243✔
44
    if (!long_strings) {
13,131,243✔
45
        // Small strings
46
        bool is_small = Array::get_wtype_from_header(header) == Array::wtype_Multiply;
10,329,963✔
47
        if (is_small) {
10,329,963✔
48
            auto arr = new (&m_storage) ArrayStringShort(m_alloc, m_nullable);
6,636,702✔
49
            arr->init_from_mem(mem);
6,636,702✔
50
            m_type = Type::small_strings;
6,636,702✔
51
        }
6,636,702✔
52
        else {
3,693,261✔
53
            auto arr = new (&m_storage) Array(m_alloc);
3,693,261✔
54
            arr->init_from_mem(mem);
3,693,261✔
55
            m_string_enum_values = std::make_unique<ArrayString>(m_alloc);
3,693,261✔
56
            ArrayParent* p;
3,693,261✔
57
            REALM_ASSERT(m_spec != nullptr);
3,693,261✔
58
            REALM_ASSERT(m_col_ndx != realm::npos);
3,693,261✔
59
            ref_type r = m_spec->get_enumkeys_ref(m_col_ndx, p);
3,693,261✔
60
            m_string_enum_values->init_from_ref(r);
3,693,261✔
61
            m_string_enum_values->set_parent(p, m_col_ndx);
3,693,261✔
62
            m_type = Type::enum_strings;
3,693,261✔
63
        }
3,693,261✔
64
    }
10,329,963✔
65
    else {
2,801,280✔
66
        bool is_big = Array::get_context_flag_from_header(header);
2,801,280✔
67
        if (!is_big) {
2,801,280✔
68
            auto arr = new (&m_storage) ArraySmallBlobs(m_alloc);
699,156✔
69
            arr->init_from_mem(mem);
699,156✔
70
            m_type = Type::medium_strings;
699,156✔
71
        }
699,156✔
72
        else {
2,102,124✔
73
            auto arr = new (&m_storage) ArrayBigBlobs(m_alloc, m_nullable);
2,102,124✔
74
            arr->init_from_mem(mem);
2,102,124✔
75
            m_type = Type::big_strings;
2,102,124✔
76
        }
2,102,124✔
77
    }
2,801,280✔
78
    m_arr->set_parent(parent, ndx_in_parent);
13,131,243✔
79
}
13,131,243✔
80

81
void ArrayString::init_from_parent()
82
{
6,132,000✔
83
    ref_type ref = m_arr->get_ref_from_parent();
6,132,000✔
84
    init_from_ref(ref);
6,132,000✔
85
}
6,132,000✔
86

87
void ArrayString::destroy() noexcept
88
{
1,044✔
89
    if (m_arr->is_attached()) {
1,044✔
90
        Array::destroy_deep(m_arr->get_ref(), m_alloc);
468✔
91
        detach();
468✔
92
    }
468✔
93
}
1,044✔
94

95
void ArrayString::detach() noexcept
96
{
4,158,705✔
97
    m_arr->detach();
4,158,705✔
98
    // Make sure the object is in a state like right after construction
99
    // Next call must be to create()
100
    m_arr = new (&m_storage) ArrayStringShort(m_alloc, true);
4,158,705✔
101
    m_type = Type::small_strings;
4,158,705✔
102
}
4,158,705✔
103

104
size_t ArrayString::size() const
105
{
16,195,536✔
106
    switch (m_type) {
16,195,536✔
107
        case Type::small_strings:
6,928,374✔
108
            return static_cast<ArrayStringShort*>(m_arr)->size();
6,928,374✔
109
        case Type::medium_strings:
461,400✔
110
            return static_cast<ArraySmallBlobs*>(m_arr)->size();
461,400✔
111
        case Type::big_strings:
8,812,914✔
112
            return static_cast<ArrayBigBlobs*>(m_arr)->size();
8,812,914✔
113
        case Type::enum_strings:
246✔
114
            return static_cast<Array*>(m_arr)->size();
246✔
115
    }
16,195,536✔
116
    return {};
×
117
}
16,195,536✔
118

119
void ArrayString::add(StringData value)
120
{
448,302✔
121
    switch (upgrade_leaf(value.size())) {
448,302✔
122
        case Type::small_strings:
392,064✔
123
            static_cast<ArrayStringShort*>(m_arr)->add(value);
392,064✔
124
            break;
392,064✔
125
        case Type::medium_strings:
28,134✔
126
            static_cast<ArraySmallBlobs*>(m_arr)->add_string(value);
28,134✔
127
            break;
28,134✔
128
        case Type::big_strings:
28,104✔
129
            static_cast<ArrayBigBlobs*>(m_arr)->add_string(value);
28,104✔
130
            break;
28,104✔
131
        case Type::enum_strings: {
✔
132
            auto a = static_cast<Array*>(m_arr);
×
133
            size_t ndx = a->size();
×
134
            a->add(0);
×
135
            set(ndx, value);
×
136
            break;
×
137
        }
×
138
    }
448,302✔
139
}
448,302✔
140

141
void ArrayString::set(size_t ndx, StringData value)
142
{
3,846,666✔
143
    switch (upgrade_leaf(value.size())) {
3,846,666✔
144
        case Type::small_strings:
587,307✔
145
            static_cast<ArrayStringShort*>(m_arr)->set(ndx, value);
587,307✔
146
            break;
587,307✔
147
        case Type::medium_strings:
249,657✔
148
            static_cast<ArraySmallBlobs*>(m_arr)->set_string(ndx, value);
249,657✔
149
            break;
249,657✔
150
        case Type::big_strings:
385,410✔
151
            static_cast<ArrayBigBlobs*>(m_arr)->set_string(ndx, value);
385,410✔
152
            break;
385,410✔
153
        case Type::enum_strings: {
2,625,633✔
154
            size_t sz = m_string_enum_values->size();
2,625,633✔
155
            size_t res = m_string_enum_values->find_first(value, 0, sz);
2,625,633✔
156
            if (res == realm::not_found) {
2,625,633✔
157
                m_string_enum_values->add(value);
9,663✔
158
                res = sz;
9,663✔
159
            }
9,663✔
160
            static_cast<Array*>(m_arr)->set(ndx, res);
2,625,633✔
161
            break;
2,625,633✔
162
        }
×
163
    }
3,846,666✔
164
}
3,846,666✔
165

166
void ArrayString::insert(size_t ndx, StringData value)
167
{
4,458,459✔
168
    switch (upgrade_leaf(value.size())) {
4,458,459✔
169
        case Type::small_strings:
1,984,074✔
170
            static_cast<ArrayStringShort*>(m_arr)->insert(ndx, value);
1,984,074✔
171
            break;
1,984,074✔
172
        case Type::medium_strings:
295,188✔
173
            static_cast<ArraySmallBlobs*>(m_arr)->insert_string(ndx, value);
295,188✔
174
            break;
295,188✔
175
        case Type::big_strings:
867,762✔
176
            static_cast<ArrayBigBlobs*>(m_arr)->insert_string(ndx, value);
867,762✔
177
            break;
867,762✔
178
        case Type::enum_strings: {
1,312,755✔
179
            static_cast<Array*>(m_arr)->insert(ndx, 0);
1,312,755✔
180
            set(ndx, value);
1,312,755✔
181
        }
1,312,755✔
182
    }
4,458,459✔
183
}
4,458,459✔
184

185
StringData ArrayString::get(size_t ndx) const
186
{
20,626,365✔
187
    switch (m_type) {
20,626,365✔
188
        case Type::small_strings:
11,024,445✔
189
            return static_cast<ArrayStringShort*>(m_arr)->get(ndx);
11,024,445✔
190
        case Type::medium_strings:
892,335✔
191
            return static_cast<ArraySmallBlobs*>(m_arr)->get_string(ndx);
892,335✔
192
        case Type::big_strings:
7,593,543✔
193
            return static_cast<ArrayBigBlobs*>(m_arr)->get_string(ndx);
7,593,543✔
194
        case Type::enum_strings: {
1,135,806✔
195
            size_t index = size_t(static_cast<Array*>(m_arr)->get(ndx));
1,135,806✔
196
            return m_string_enum_values->get(index);
1,135,806✔
197
        }
×
198
    }
20,626,365✔
199
    return {};
×
200
}
20,626,365✔
201

202
StringData ArrayString::get_legacy(size_t ndx) const
203
{
×
204
    switch (m_type) {
×
205
        case Type::small_strings:
×
206
            return static_cast<ArrayStringShort*>(m_arr)->get(ndx);
×
207
        case Type::medium_strings:
×
208
            return static_cast<ArraySmallBlobs*>(m_arr)->get_string_legacy(ndx);
×
209
        case Type::big_strings:
×
210
            return static_cast<ArrayBigBlobs*>(m_arr)->get_string(ndx);
×
211
        case Type::enum_strings: {
×
212
            size_t index = size_t(static_cast<Array*>(m_arr)->get(ndx));
×
213
            return m_string_enum_values->get(index);
×
214
        }
×
215
    }
×
216
    return {};
×
217
}
×
218

219
Mixed ArrayString::get_any(size_t ndx) const
220
{
132,909✔
221
    return Mixed(get(ndx));
132,909✔
222
}
132,909✔
223

224
bool ArrayString::is_null(size_t ndx) const
225
{
3,956,664✔
226
    switch (m_type) {
3,956,664✔
227
        case Type::small_strings:
687,597✔
228
            return static_cast<ArrayStringShort*>(m_arr)->is_null(ndx);
687,597✔
229
        case Type::medium_strings:
17,247✔
230
            return static_cast<ArraySmallBlobs*>(m_arr)->is_null(ndx);
17,247✔
231
        case Type::big_strings:
3,268,062✔
232
            return static_cast<ArrayBigBlobs*>(m_arr)->is_null(ndx);
3,268,062✔
233
        case Type::enum_strings: {
✔
234
            size_t index = size_t(static_cast<Array*>(m_arr)->get(ndx));
×
235
            return m_string_enum_values->is_null(index);
×
236
        }
×
237
    }
3,956,664✔
238
    return {};
×
239
}
3,956,664✔
240

241
void ArrayString::erase(size_t ndx)
242
{
480,612✔
243
    switch (m_type) {
480,612✔
244
        case Type::small_strings:
388,941✔
245
            static_cast<ArrayStringShort*>(m_arr)->erase(ndx);
388,941✔
246
            break;
388,941✔
247
        case Type::medium_strings:
57,051✔
248
            static_cast<ArraySmallBlobs*>(m_arr)->erase(ndx);
57,051✔
249
            break;
57,051✔
250
        case Type::big_strings:
26,346✔
251
            static_cast<ArrayBigBlobs*>(m_arr)->erase(ndx);
26,346✔
252
            break;
26,346✔
253
        case Type::enum_strings:
8,295✔
254
            static_cast<Array*>(m_arr)->erase(ndx);
8,295✔
255
            break;
8,295✔
256
    }
480,612✔
257
}
480,612✔
258

259
void ArrayString::move(ArrayString& dst, size_t ndx)
260
{
1,074✔
261
    size_t sz = size();
1,074✔
262
    for (size_t i = ndx; i < sz; i++) {
117,435✔
263
        dst.add(get(i));
116,361✔
264
    }
116,361✔
265

266
    switch (m_type) {
1,074✔
267
        case Type::small_strings:
1,008✔
268
            static_cast<ArrayStringShort*>(m_arr)->truncate(ndx);
1,008✔
269
            break;
1,008✔
270
        case Type::medium_strings:
60✔
271
            static_cast<ArraySmallBlobs*>(m_arr)->truncate(ndx);
60✔
272
            break;
60✔
273
        case Type::big_strings:
6✔
274
            static_cast<ArrayBigBlobs*>(m_arr)->truncate(ndx);
6✔
275
            break;
6✔
276
        case Type::enum_strings:
✔
277
            // this operation will never be called for enumerated columns
278
            REALM_UNREACHABLE();
279
            break;
×
280
    }
1,074✔
281
}
1,074✔
282

283
void ArrayString::clear()
284
{
354✔
285
    switch (m_type) {
354✔
286
        case Type::small_strings:
300✔
287
            static_cast<ArrayStringShort*>(m_arr)->clear();
300✔
288
            break;
300✔
289
        case Type::medium_strings:
6✔
290
            static_cast<ArraySmallBlobs*>(m_arr)->clear();
6✔
291
            break;
6✔
292
        case Type::big_strings:
48✔
293
            static_cast<ArrayBigBlobs*>(m_arr)->clear();
48✔
294
            break;
48✔
295
        case Type::enum_strings:
✔
296
            static_cast<Array*>(m_arr)->clear();
×
297
            break;
×
298
    }
354✔
299
}
354✔
300

301
size_t ArrayString::find_first(StringData value, size_t begin, size_t end) const noexcept
302
{
4,137,987✔
303
    switch (m_type) {
4,137,987✔
304
        case Type::small_strings:
3,161,316✔
305
            return static_cast<ArrayStringShort*>(m_arr)->find_first(value, begin, end);
3,161,316✔
306
        case Type::medium_strings: {
124,650✔
307
            BinaryData as_binary(value.data(), value.size());
124,650✔
308
            return static_cast<ArraySmallBlobs*>(m_arr)->find_first(as_binary, true, begin, end);
124,650✔
309
            break;
×
310
        }
×
311
        case Type::big_strings: {
254,568✔
312
            BinaryData as_binary(value.data(), value.size());
254,568✔
313
            return static_cast<ArrayBigBlobs*>(m_arr)->find_first(as_binary, true, begin, end);
254,568✔
314
            break;
×
315
        }
×
316
        case Type::enum_strings: {
597,468✔
317
            size_t sz = m_string_enum_values->size();
597,468✔
318
            size_t res = m_string_enum_values->find_first(value, 0, sz);
597,468✔
319
            if (res != realm::not_found) {
597,468✔
320
                return static_cast<Array*>(m_arr)->find_first(res, begin, end);
597,468✔
321
            }
597,468✔
UNCOV
322
            break;
×
323
        }
597,468✔
324
    }
4,137,987✔
325
    return not_found;
×
326
}
4,137,987✔
327

328
namespace {
329

330
template <class T>
331
inline StringData get_string(const T* arr, size_t ndx)
332
{
437,337✔
333
    return arr->get_string(ndx);
437,337✔
334
}
437,337✔
335

336
template <>
337
inline StringData get_string(const ArrayStringShort* arr, size_t ndx)
338
{
93,705✔
339
    return arr->get(ndx);
93,705✔
340
}
93,705✔
341

342
template <class T, class U>
343
size_t lower_bound_string(const T* arr, U value)
344
{
234,912✔
345
    size_t i = 0;
234,912✔
346
    size_t sz = arr->size();
234,912✔
347
    while (0 < sz) {
765,954✔
348
        size_t half = sz / 2;
531,042✔
349
        size_t mid = i + half;
531,042✔
350
        auto probe = get_string(arr, mid);
531,042✔
351
        if (probe < value) {
531,042✔
352
            i = mid + 1;
191,079✔
353
            sz -= half + 1;
191,079✔
354
        }
191,079✔
355
        else {
339,963✔
356
            sz = half;
339,963✔
357
        }
339,963✔
358
    }
531,042✔
359
    return i;
234,912✔
360
}
234,912✔
361
} // namespace
362

363
size_t ArrayString::lower_bound(StringData value)
364
{
234,912✔
365
    switch (m_type) {
234,912✔
366
        case Type::small_strings:
58,434✔
367
            return lower_bound_string(static_cast<ArrayStringShort*>(m_arr), value);
58,434✔
368
        case Type::medium_strings:
68,418✔
369
            return lower_bound_string(static_cast<ArraySmallBlobs*>(m_arr), value);
68,418✔
370
        case Type::big_strings:
108,060✔
371
            return lower_bound_string(static_cast<ArrayBigBlobs*>(m_arr), value);
108,060✔
372
        case Type::enum_strings:
✔
373
            break;
×
374
    }
234,912✔
375
    return realm::npos;
×
376
}
234,912✔
377

378
ArrayString::Type ArrayString::upgrade_leaf(size_t value_size)
379
{
8,747,994✔
380
    if (m_type == Type::big_strings)
8,747,994✔
381
        return Type::big_strings;
1,260,603✔
382

383
    if (m_type == Type::enum_strings)
7,487,391✔
384
        return Type::enum_strings;
3,938,373✔
385

386
    if (m_type == Type::medium_strings) {
3,549,018✔
387
        if (value_size <= medium_string_max_size)
532,407✔
388
            return Type::medium_strings;
531,927✔
389

390
        // Upgrade root leaf from medium to big strings
391
        auto string_medium = static_cast<ArraySmallBlobs*>(m_arr);
480✔
392
        ArrayBigBlobs big_blobs(m_alloc, true);
480✔
393
        big_blobs.create(); // Throws
480✔
394

395
        size_t n = string_medium->size();
480✔
396
        for (size_t i = 0; i < n; i++) {
9,717✔
397
            big_blobs.add_string(string_medium->get_string(i)); // Throws
9,237✔
398
        }
9,237✔
399
        auto parent = string_medium->get_parent();
480✔
400
        auto ndx_in_parent = string_medium->get_ndx_in_parent();
480✔
401
        string_medium->destroy();
480✔
402

403
        auto arr = new (&m_storage) ArrayBigBlobs(m_alloc, true);
480✔
404
        arr->init_from_mem(big_blobs.get_mem());
480✔
405
        arr->set_parent(parent, ndx_in_parent);
480✔
406
        arr->update_parent();
480✔
407

408
        m_type = Type::big_strings;
480✔
409
        return Type::big_strings;
480✔
410
    }
532,407✔
411

412
    // m_type == Type::small
413
    if (value_size <= small_string_max_size)
3,016,611✔
414
        return Type::small_strings;
2,961,636✔
415

416
    if (value_size <= medium_string_max_size) {
54,975✔
417
        // Upgrade root leaf from small to medium strings
418
        auto string_short = static_cast<ArrayStringShort*>(m_arr);
41,031✔
419
        ArraySmallBlobs string_long(m_alloc);
41,031✔
420
        string_long.create(); // Throws
41,031✔
421

422
        size_t n = string_short->size();
41,031✔
423
        for (size_t i = 0; i < n; i++) {
74,790✔
424
            string_long.add_string(string_short->get(i)); // Throws
33,759✔
425
        }
33,759✔
426
        auto parent = string_short->get_parent();
41,031✔
427
        auto ndx_in_parent = string_short->get_ndx_in_parent();
41,031✔
428
        string_short->destroy();
41,031✔
429

430
        auto arr = new (&m_storage) ArraySmallBlobs(m_alloc);
41,031✔
431
        arr->init_from_mem(string_long.get_mem());
41,031✔
432
        arr->set_parent(parent, ndx_in_parent);
41,031✔
433
        arr->update_parent();
41,031✔
434

435
        m_type = Type::medium_strings;
41,031✔
436
    }
41,031✔
437
    else {
13,944✔
438
        // Upgrade root leaf from small to big strings
439
        auto string_short = static_cast<ArrayStringShort*>(m_arr);
13,944✔
440
        ArrayBigBlobs big_blobs(m_alloc, true);
13,944✔
441
        big_blobs.create(); // Throws
13,944✔
442

443
        size_t n = string_short->size();
13,944✔
444
        for (size_t i = 0; i < n; i++) {
34,560✔
445
            big_blobs.add_string(string_short->get(i)); // Throws
20,616✔
446
        }
20,616✔
447
        auto parent = string_short->get_parent();
13,944✔
448
        auto ndx_in_parent = string_short->get_ndx_in_parent();
13,944✔
449
        string_short->destroy();
13,944✔
450

451
        auto arr = new (&m_storage) ArrayBigBlobs(m_alloc, true);
13,944✔
452
        arr->init_from_mem(big_blobs.get_mem());
13,944✔
453
        arr->set_parent(parent, ndx_in_parent);
13,944✔
454
        arr->update_parent();
13,944✔
455

456
        m_type = Type::big_strings;
13,944✔
457
    }
13,944✔
458

459
    return m_type;
54,975✔
460
}
3,016,611✔
461

462
void ArrayString::verify() const
463
{
227,031✔
464
#ifdef REALM_DEBUG
227,031✔
465
    switch (m_type) {
227,031✔
466
        case Type::small_strings:
220,632✔
467
            static_cast<ArrayStringShort*>(m_arr)->verify();
220,632✔
468
            break;
220,632✔
469
        case Type::medium_strings:
540✔
470
            static_cast<ArraySmallBlobs*>(m_arr)->verify();
540✔
471
            break;
540✔
472
        case Type::big_strings:
5,601✔
473
            static_cast<ArrayBigBlobs*>(m_arr)->verify();
5,601✔
474
            break;
5,601✔
475
        case Type::enum_strings:
246✔
476
            static_cast<Array*>(m_arr)->verify();
246✔
477
            break;
246✔
478
    }
227,031✔
479
#endif
227,031✔
480
}
227,031✔
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