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realm / realm-core / 2524

26 Jul 2024 08:18PM UTC coverage: 91.081% (-0.01%) from 91.092%
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RCORE-2171 Add testing mode where baas integration tests always start out talking to the wrong base url (#7813)

102768 of 181518 branches covered (56.62%)

145 of 192 new or added lines in 3 files covered. (75.52%)

59 existing lines in 16 files now uncovered.

216541 of 237745 relevant lines covered (91.08%)

5836891.82 hits per line

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88.03
/src/realm/array_string.cpp
1
/*************************************************************************
2
 *
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 * Copyright 2016 Realm Inc.
4
 *
5
 * Licensed under the Apache License, Version 2.0 (the "License");
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 * you may not use this file except in compliance with the License.
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 * You may obtain a copy of the License at
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 *
9
 * http://www.apache.org/licenses/LICENSE-2.0
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 *
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 * Unless required by applicable law or agreed to in writing, software
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 * distributed under the License is distributed on an "AS IS" BASIS,
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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 * See the License for the specific language governing permissions and
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 * limitations under the License.
16
 *
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 **************************************************************************/
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)
9,918,258✔
27
{
20,035,884✔
28
    m_arr = new (&m_storage) ArrayStringShort(a, true);
20,035,884✔
29
}
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30

31
void ArrayString::create()
32
{
552,351✔
33
    static_cast<ArrayStringShort*>(m_arr)->create();
552,351✔
34
}
552,351✔
35

36
void ArrayString::init_from_mem(MemRef mem) noexcept
37
{
12,981,624✔
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    char* header = mem.get_addr();
12,981,624✔
39

40
    ArrayParent* parent = m_arr->get_parent();
12,981,624✔
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    size_t ndx_in_parent = m_arr->get_ndx_in_parent();
12,981,624✔
42

43
    bool long_strings = Array::get_hasrefs_from_header(header);
12,981,624✔
44
    if (!long_strings) {
12,981,624✔
45
        // Small strings
46
        bool is_small = Array::get_wtype_from_header(header) == Array::wtype_Multiply;
10,184,541✔
47
        if (is_small) {
10,184,541✔
48
            auto arr = new (&m_storage) ArrayStringShort(m_alloc, m_nullable);
6,490,410✔
49
            arr->init_from_mem(mem);
6,490,410✔
50
            m_type = Type::small_strings;
6,490,410✔
51
        }
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52
        else {
3,694,131✔
53
            auto arr = new (&m_storage) Array(m_alloc);
3,694,131✔
54
            arr->init_from_mem(mem);
3,694,131✔
55
            m_string_enum_values = std::make_unique<ArrayString>(m_alloc);
3,694,131✔
56
            ArrayParent* p;
3,694,131✔
57
            REALM_ASSERT(m_spec != nullptr);
3,694,131✔
58
            REALM_ASSERT(m_col_ndx != realm::npos);
3,694,131✔
59
            ref_type r = m_spec->get_enumkeys_ref(m_col_ndx, p);
3,694,131✔
60
            m_string_enum_values->init_from_ref(r);
3,694,131✔
61
            m_string_enum_values->set_parent(p, m_col_ndx);
3,694,131✔
62
            m_type = Type::enum_strings;
3,694,131✔
63
        }
3,694,131✔
64
    }
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65
    else {
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66
        bool is_big = Array::get_context_flag_from_header(header);
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        if (!is_big) {
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            auto arr = new (&m_storage) ArraySmallBlobs(m_alloc);
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            arr->init_from_mem(mem);
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            m_type = Type::medium_strings;
702,390✔
71
        }
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        else {
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            auto arr = new (&m_storage) ArrayBigBlobs(m_alloc, m_nullable);
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            arr->init_from_mem(mem);
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            m_type = Type::big_strings;
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        }
2,094,693✔
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    }
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    m_arr->set_parent(parent, ndx_in_parent);
12,981,624✔
79
}
12,981,624✔
80

81
void ArrayString::init_from_parent()
82
{
6,110,907✔
83
    ref_type ref = m_arr->get_ref_from_parent();
6,110,907✔
84
    init_from_ref(ref);
6,110,907✔
85
}
6,110,907✔
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
{
4,171,197✔
97
    m_arr->detach();
4,171,197✔
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);
4,171,197✔
101
    m_type = Type::small_strings;
4,171,197✔
102
}
4,171,197✔
103

104
size_t ArrayString::size() const
105
{
16,126,221✔
106
    switch (m_type) {
16,126,221✔
107
        case Type::small_strings:
6,880,863✔
108
            return static_cast<ArrayStringShort*>(m_arr)->size();
6,880,863✔
109
        case Type::medium_strings:
457,176✔
110
            return static_cast<ArraySmallBlobs*>(m_arr)->size();
457,176✔
111
        case Type::big_strings:
8,811,663✔
112
            return static_cast<ArrayBigBlobs*>(m_arr)->size();
8,811,663✔
113
        case Type::enum_strings:
246✔
114
            return static_cast<Array*>(m_arr)->size();
246✔
115
    }
16,126,221✔
116
    return {};
×
117
}
16,126,221✔
118

119
void ArrayString::add(StringData value)
120
{
447,573✔
121
    switch (upgrade_leaf(value.size())) {
447,573✔
122
        case Type::small_strings:
391,551✔
123
            static_cast<ArrayStringShort*>(m_arr)->add(value);
391,551✔
124
            break;
391,551✔
125
        case Type::medium_strings:
28,140✔
126
            static_cast<ArraySmallBlobs*>(m_arr)->add_string(value);
28,140✔
127
            break;
28,140✔
128
        case Type::big_strings:
27,915✔
129
            static_cast<ArrayBigBlobs*>(m_arr)->add_string(value);
27,915✔
130
            break;
27,915✔
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
    }
447,573✔
139
}
447,573✔
140

141
void ArrayString::set(size_t ndx, StringData value)
142
{
3,837,747✔
143
    switch (upgrade_leaf(value.size())) {
3,837,747✔
144
        case Type::small_strings:
579,477✔
145
            static_cast<ArrayStringShort*>(m_arr)->set(ndx, value);
579,477✔
146
            break;
579,477✔
147
        case Type::medium_strings:
249,828✔
148
            static_cast<ArraySmallBlobs*>(m_arr)->set_string(ndx, value);
249,828✔
149
            break;
249,828✔
150
        case Type::big_strings:
385,392✔
151
            static_cast<ArrayBigBlobs*>(m_arr)->set_string(ndx, value);
385,392✔
152
            break;
385,392✔
153
        case Type::enum_strings: {
2,625,147✔
154
            size_t sz = m_string_enum_values->size();
2,625,147✔
155
            size_t res = m_string_enum_values->find_first(value, 0, sz);
2,625,147✔
156
            if (res == realm::not_found) {
2,625,147✔
157
                m_string_enum_values->add(value);
9,591✔
158
                res = sz;
9,591✔
159
            }
9,591✔
160
            static_cast<Array*>(m_arr)->set(ndx, res);
2,625,147✔
161
            break;
2,625,147✔
162
        }
×
163
    }
3,837,747✔
164
}
3,837,747✔
165

166
void ArrayString::insert(size_t ndx, StringData value)
167
{
4,444,884✔
168
    switch (upgrade_leaf(value.size())) {
4,444,884✔
169
        case Type::small_strings:
1,970,727✔
170
            static_cast<ArrayStringShort*>(m_arr)->insert(ndx, value);
1,970,727✔
171
            break;
1,970,727✔
172
        case Type::medium_strings:
295,236✔
173
            static_cast<ArraySmallBlobs*>(m_arr)->insert_string(ndx, value);
295,236✔
174
            break;
295,236✔
175
        case Type::big_strings:
867,789✔
176
            static_cast<ArrayBigBlobs*>(m_arr)->insert_string(ndx, value);
867,789✔
177
            break;
867,789✔
178
        case Type::enum_strings: {
1,312,656✔
179
            static_cast<Array*>(m_arr)->insert(ndx, 0);
1,312,656✔
180
            set(ndx, value);
1,312,656✔
181
        }
1,312,656✔
182
    }
4,444,884✔
183
}
4,444,884✔
184

185
StringData ArrayString::get(size_t ndx) const
186
{
20,662,746✔
187
    switch (m_type) {
20,662,746✔
188
        case Type::small_strings:
11,019,489✔
189
            return static_cast<ArrayStringShort*>(m_arr)->get(ndx);
11,019,489✔
190
        case Type::medium_strings:
904,281✔
191
            return static_cast<ArraySmallBlobs*>(m_arr)->get_string(ndx);
904,281✔
192
        case Type::big_strings:
7,605,945✔
193
            return static_cast<ArrayBigBlobs*>(m_arr)->get_string(ndx);
7,605,945✔
194
        case Type::enum_strings: {
1,144,668✔
195
            size_t index = size_t(static_cast<Array*>(m_arr)->get(ndx));
1,144,668✔
196
            return m_string_enum_values->get(index);
1,144,668✔
197
        }
×
198
    }
20,662,746✔
199
    return {};
×
200
}
20,662,746✔
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
{
133,566✔
221
    return Mixed(get(ndx));
133,566✔
222
}
133,566✔
223

224
bool ArrayString::is_null(size_t ndx) const
225
{
3,878,112✔
226
    switch (m_type) {
3,878,112✔
227
        case Type::small_strings:
596,979✔
228
            return static_cast<ArrayStringShort*>(m_arr)->is_null(ndx);
596,979✔
229
        case Type::medium_strings:
15,696✔
230
            return static_cast<ArraySmallBlobs*>(m_arr)->is_null(ndx);
15,696✔
231
        case Type::big_strings:
3,265,437✔
232
            return static_cast<ArrayBigBlobs*>(m_arr)->is_null(ndx);
3,265,437✔
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
    }
3,878,112✔
238
    return {};
×
239
}
3,878,112✔
240

241
void ArrayString::erase(size_t ndx)
242
{
480,144✔
243
    switch (m_type) {
480,144✔
244
        case Type::small_strings:
388,137✔
245
            static_cast<ArrayStringShort*>(m_arr)->erase(ndx);
388,137✔
246
            break;
388,137✔
247
        case Type::medium_strings:
57,177✔
248
            static_cast<ArraySmallBlobs*>(m_arr)->erase(ndx);
57,177✔
249
            break;
57,177✔
250
        case Type::big_strings:
26,487✔
251
            static_cast<ArrayBigBlobs*>(m_arr)->erase(ndx);
26,487✔
252
            break;
26,487✔
253
        case Type::enum_strings:
8,373✔
254
            static_cast<Array*>(m_arr)->erase(ndx);
8,373✔
255
            break;
8,373✔
256
    }
480,144✔
257
}
480,144✔
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++) {
116,763✔
263
        dst.add(get(i));
115,689✔
264
    }
115,689✔
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
{
4,122,969✔
303
    switch (m_type) {
4,122,969✔
304
        case Type::small_strings:
3,147,147✔
305
            return static_cast<ArrayStringShort*>(m_arr)->find_first(value, begin, end);
3,147,147✔
306
        case Type::medium_strings: {
125,034✔
307
            BinaryData as_binary(value.data(), value.size());
125,034✔
308
            return static_cast<ArraySmallBlobs*>(m_arr)->find_first(as_binary, true, begin, end);
125,034✔
309
            break;
×
310
        }
×
311
        case Type::big_strings: {
254,970✔
312
            BinaryData as_binary(value.data(), value.size());
254,970✔
313
            return static_cast<ArrayBigBlobs*>(m_arr)->find_first(as_binary, true, begin, end);
254,970✔
314
            break;
×
315
        }
×
316
        case Type::enum_strings: {
596,301✔
317
            size_t sz = m_string_enum_values->size();
596,301✔
318
            size_t res = m_string_enum_values->find_first(value, 0, sz);
596,301✔
319
            if (res != realm::not_found) {
596,301✔
320
                return static_cast<Array*>(m_arr)->find_first(res, begin, end);
596,301✔
321
            }
596,301✔
UNCOV
322
            break;
×
323
        }
596,301✔
324
    }
4,122,969✔
325
    return not_found;
×
326
}
4,122,969✔
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
{
93,681✔
339
    return arr->get(ndx);
93,681✔
340
}
93,681✔
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) {
765,930✔
348
        size_t half = sz / 2;
531,018✔
349
        size_t mid = i + half;
531,018✔
350
        auto probe = get_string(arr, mid);
531,018✔
351
        if (probe < value) {
531,018✔
352
            i = mid + 1;
190,911✔
353
            sz -= half + 1;
190,911✔
354
        }
190,911✔
355
        else {
340,107✔
356
            sz = half;
340,107✔
357
        }
340,107✔
358
    }
531,018✔
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
{
8,723,970✔
380
    if (m_type == Type::big_strings)
8,723,970✔
381
        return Type::big_strings;
1,260,405✔
382

383
    if (m_type == Type::enum_strings)
7,463,565✔
384
        return Type::enum_strings;
3,937,221✔
385

386
    if (m_type == Type::medium_strings) {
3,526,344✔
387
        if (value_size <= medium_string_max_size)
532,704✔
388
            return Type::medium_strings;
532,197✔
389

390
        // Upgrade root leaf from medium to big strings
391
        auto string_medium = static_cast<ArraySmallBlobs*>(m_arr);
507✔
392
        ArrayBigBlobs big_blobs(m_alloc, true);
507✔
393
        big_blobs.create(); // Throws
507✔
394

395
        size_t n = string_medium->size();
507✔
396
        for (size_t i = 0; i < n; i++) {
9,900✔
397
            big_blobs.add_string(string_medium->get_string(i)); // Throws
9,393✔
398
        }
9,393✔
399
        auto parent = string_medium->get_parent();
507✔
400
        auto ndx_in_parent = string_medium->get_ndx_in_parent();
507✔
401
        string_medium->destroy();
507✔
402

403
        auto arr = new (&m_storage) ArrayBigBlobs(m_alloc, true);
507✔
404
        arr->init_from_mem(big_blobs.get_mem());
507✔
405
        arr->set_parent(parent, ndx_in_parent);
507✔
406
        arr->update_parent();
507✔
407

408
        m_type = Type::big_strings;
507✔
409
        return Type::big_strings;
507✔
410
    }
532,704✔
411

412
    // m_type == Type::small
413
    if (value_size <= small_string_max_size)
2,993,640✔
414
        return Type::small_strings;
2,940,729✔
415

416
    if (value_size <= medium_string_max_size) {
52,911✔
417
        // Upgrade root leaf from small to medium strings
418
        auto string_short = static_cast<ArrayStringShort*>(m_arr);
40,995✔
419
        ArraySmallBlobs string_long(m_alloc);
40,995✔
420
        string_long.create(); // Throws
40,995✔
421

422
        size_t n = string_short->size();
40,995✔
423
        for (size_t i = 0; i < n; i++) {
74,604✔
424
            string_long.add_string(string_short->get(i)); // Throws
33,609✔
425
        }
33,609✔
426
        auto parent = string_short->get_parent();
40,995✔
427
        auto ndx_in_parent = string_short->get_ndx_in_parent();
40,995✔
428
        string_short->destroy();
40,995✔
429

430
        auto arr = new (&m_storage) ArraySmallBlobs(m_alloc);
40,995✔
431
        arr->init_from_mem(string_long.get_mem());
40,995✔
432
        arr->set_parent(parent, ndx_in_parent);
40,995✔
433
        arr->update_parent();
40,995✔
434

435
        m_type = Type::medium_strings;
40,995✔
436
    }
40,995✔
437
    else {
11,916✔
438
        // Upgrade root leaf from small to big strings
439
        auto string_short = static_cast<ArrayStringShort*>(m_arr);
11,916✔
440
        ArrayBigBlobs big_blobs(m_alloc, true);
11,916✔
441
        big_blobs.create(); // Throws
11,916✔
442

443
        size_t n = string_short->size();
11,916✔
444
        for (size_t i = 0; i < n; i++) {
33,183✔
445
            big_blobs.add_string(string_short->get(i)); // Throws
21,267✔
446
        }
21,267✔
447
        auto parent = string_short->get_parent();
11,916✔
448
        auto ndx_in_parent = string_short->get_ndx_in_parent();
11,916✔
449
        string_short->destroy();
11,916✔
450

451
        auto arr = new (&m_storage) ArrayBigBlobs(m_alloc, true);
11,916✔
452
        arr->init_from_mem(big_blobs.get_mem());
11,916✔
453
        arr->set_parent(parent, ndx_in_parent);
11,916✔
454
        arr->update_parent();
11,916✔
455

456
        m_type = Type::big_strings;
11,916✔
457
    }
11,916✔
458

459
    return m_type;
52,911✔
460
}
2,993,640✔
461

462
void ArrayString::verify() const
463
{
188,091✔
464
#ifdef REALM_DEBUG
188,091✔
465
    switch (m_type) {
188,091✔
466
        case Type::small_strings:
181,596✔
467
            static_cast<ArrayStringShort*>(m_arr)->verify();
181,596✔
468
            break;
181,596✔
469
        case Type::medium_strings:
444✔
470
            static_cast<ArraySmallBlobs*>(m_arr)->verify();
444✔
471
            break;
444✔
472
        case Type::big_strings:
5,805✔
473
            static_cast<ArrayBigBlobs*>(m_arr)->verify();
5,805✔
474
            break;
5,805✔
475
        case Type::enum_strings:
246✔
476
            static_cast<Array*>(m_arr)->verify();
246✔
477
            break;
246✔
478
    }
188,091✔
479
#endif
188,091✔
480
}
188,091✔
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