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
|
/* Copyright JS Foundation and other contributors, http://js.foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "config.h"
#include "jerryscript.h"
#include "test-common.h"
/**
* Maximum size of snapshots buffer
*/
#define SNAPSHOT_BUFFER_SIZE (256)
/**
* Magic strings
*/
static const jerry_char_ptr_t magic_strings[] =
{
(const jerry_char_ptr_t) " ",
(const jerry_char_ptr_t) "a",
(const jerry_char_ptr_t) "b",
(const jerry_char_ptr_t) "c",
(const jerry_char_ptr_t) "from",
(const jerry_char_ptr_t) "func",
(const jerry_char_ptr_t) "string",
(const jerry_char_ptr_t) "snapshot"
};
/**
* Magic string lengths
*/
static const jerry_length_t magic_string_lengths[] =
{
1, 1, 1, 1, 4, 4, 6, 8
};
static void test_function_snapshot (void)
{
/* function to snapshot */
if (!jerry_is_feature_enabled (JERRY_FEATURE_SNAPSHOT_SAVE)
|| !jerry_is_feature_enabled (JERRY_FEATURE_SNAPSHOT_EXEC))
{
return;
}
const jerry_init_flag_t flags = JERRY_INIT_EMPTY;
static uint32_t function_snapshot_buffer[SNAPSHOT_BUFFER_SIZE];
const char *args_p = "a, b";
const char *code_to_snapshot_p = "return a + b";
jerry_init (flags);
jerry_value_t generate_result;
generate_result = jerry_generate_function_snapshot (NULL,
0,
(const jerry_char_t *) code_to_snapshot_p,
strlen (code_to_snapshot_p),
(jerry_char_t *) args_p,
strlen (args_p),
0,
function_snapshot_buffer,
SNAPSHOT_BUFFER_SIZE);
TEST_ASSERT (!jerry_value_is_error (generate_result)
&& jerry_value_is_number (generate_result));
size_t function_snapshot_size = (size_t) jerry_get_number_value (generate_result);
jerry_release_value (generate_result);
jerry_cleanup ();
jerry_init (flags);
jerry_value_t function_obj = jerry_load_function_snapshot (function_snapshot_buffer,
function_snapshot_size,
0,
0);
TEST_ASSERT (!jerry_value_is_error (function_obj));
TEST_ASSERT (jerry_value_is_function (function_obj));
jerry_value_t this_val = jerry_create_undefined ();
jerry_value_t args[2];
args[0] = jerry_create_number (1.0);
args[1] = jerry_create_number (2.0);
jerry_value_t res = jerry_call_function (function_obj, this_val, args, 2);
TEST_ASSERT (!jerry_value_is_error (res));
TEST_ASSERT (jerry_value_is_number (res));
double num = jerry_get_number_value (res);
TEST_ASSERT (num == 3);
jerry_release_value (args[0]);
jerry_release_value (args[1]);
jerry_release_value (res);
jerry_release_value (function_obj);
jerry_cleanup ();
} /* test_function_snapshot */
static void arguments_test_exec_snapshot (uint32_t *snapshot_p, size_t snapshot_size, uint32_t exec_snapshot_flags)
{
jerry_init (JERRY_INIT_EMPTY);
jerry_value_t res = jerry_exec_snapshot (snapshot_p, snapshot_size, 0, exec_snapshot_flags);
TEST_ASSERT (!jerry_value_is_error (res));
TEST_ASSERT (jerry_value_is_number (res));
double raw_value = jerry_get_number_value (res);
TEST_ASSERT (raw_value == 15);
jerry_release_value (res);
jerry_cleanup ();
} /* arguments_test_exec_snapshot */
static void test_function_arguments_snapshot (void)
{
if (jerry_is_feature_enabled (JERRY_FEATURE_SNAPSHOT_SAVE)
&& jerry_is_feature_enabled (JERRY_FEATURE_SNAPSHOT_EXEC))
{
static uint32_t arguments_snapshot_buffer[SNAPSHOT_BUFFER_SIZE];
const char *code_to_snapshot_p = ("function f(a,b,c) {"
" arguments[0]++;"
" arguments[1]++;"
" arguments[2]++;"
" return a + b + c;"
"}"
"f(3,4,5);");
jerry_init (JERRY_INIT_EMPTY);
jerry_value_t generate_result;
generate_result = jerry_generate_snapshot (NULL,
0,
(jerry_char_t *) code_to_snapshot_p,
strlen (code_to_snapshot_p),
0,
arguments_snapshot_buffer,
SNAPSHOT_BUFFER_SIZE);
TEST_ASSERT (!jerry_value_is_error (generate_result)
&& jerry_value_is_number (generate_result));
size_t snapshot_size = (size_t) jerry_get_number_value (generate_result);
jerry_release_value (generate_result);
jerry_cleanup ();
arguments_test_exec_snapshot (arguments_snapshot_buffer, snapshot_size, 0);
arguments_test_exec_snapshot (arguments_snapshot_buffer, snapshot_size, JERRY_SNAPSHOT_EXEC_COPY_DATA);
}
} /* test_function_arguments_snapshot */
static void test_exec_snapshot (uint32_t *snapshot_p, size_t snapshot_size, uint32_t exec_snapshot_flags)
{
char string_data[32];
jerry_init (JERRY_INIT_EMPTY);
jerry_register_magic_strings (magic_strings,
sizeof (magic_string_lengths) / sizeof (jerry_length_t),
magic_string_lengths);
jerry_value_t res = jerry_exec_snapshot (snapshot_p, snapshot_size, 0, exec_snapshot_flags);
TEST_ASSERT (!jerry_value_is_error (res));
TEST_ASSERT (jerry_value_is_string (res));
jerry_size_t sz = jerry_get_string_size (res);
TEST_ASSERT (sz == 20);
sz = jerry_string_to_char_buffer (res, (jerry_char_t *) string_data, sz);
TEST_ASSERT (sz == 20);
jerry_release_value (res);
TEST_ASSERT (!strncmp (string_data, "string from snapshot", (size_t) sz));
jerry_cleanup ();
} /* test_exec_snapshot */
int
main (void)
{
static uint32_t snapshot_buffer[SNAPSHOT_BUFFER_SIZE];
TEST_INIT ();
/* Dump / execute snapshot */
if (jerry_is_feature_enabled (JERRY_FEATURE_SNAPSHOT_SAVE)
&& jerry_is_feature_enabled (JERRY_FEATURE_SNAPSHOT_EXEC))
{
const char *code_to_snapshot_p = "(function () { return 'string from snapshot'; }) ();";
jerry_init (JERRY_INIT_EMPTY);
jerry_value_t generate_result;
generate_result = jerry_generate_snapshot (NULL,
0,
(const jerry_char_t *) code_to_snapshot_p,
strlen (code_to_snapshot_p),
0,
snapshot_buffer,
SNAPSHOT_BUFFER_SIZE);
TEST_ASSERT (!jerry_value_is_error (generate_result)
&& jerry_value_is_number (generate_result));
size_t snapshot_size = (size_t) jerry_get_number_value (generate_result);
jerry_release_value (generate_result);
/* Check the snapshot data. Unused bytes should be filled with zeroes */
const uint8_t expected_data[] =
{
0x4A, 0x52, 0x52, 0x59, 0x11, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x48, 0x00, 0x00, 0x00,
0x01, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x00,
0x03, 0x00, 0x01, 0x00, 0x01, 0x00, 0x01, 0x00,
0x00, 0x00, 0x00, 0x01, 0x18, 0x00, 0x00, 0x00,
0x28, 0x00, 0xB8, 0x46, 0x00, 0x00, 0x00, 0x00,
0x03, 0x00, 0x01, 0x00, 0x21, 0x00, 0x00, 0x00,
0x00, 0x00, 0x01, 0x01, 0x07, 0x00, 0x00, 0x00,
0x47, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x14, 0x00, 0x73, 0x74, 0x72, 0x69, 0x6E, 0x67,
0x20, 0x66, 0x72, 0x6F, 0x6D, 0x20, 0x73, 0x6E,
0x61, 0x70, 0x73, 0x68, 0x6F, 0x74
};
TEST_ASSERT (sizeof (expected_data) == snapshot_size);
TEST_ASSERT (0 == memcmp (expected_data, snapshot_buffer, sizeof (expected_data)));
jerry_cleanup ();
test_exec_snapshot (snapshot_buffer, snapshot_size, 0);
test_exec_snapshot (snapshot_buffer, snapshot_size, JERRY_SNAPSHOT_EXEC_COPY_DATA);
}
/* Static snapshot */
if (jerry_is_feature_enabled (JERRY_FEATURE_SNAPSHOT_SAVE)
&& jerry_is_feature_enabled (JERRY_FEATURE_SNAPSHOT_EXEC))
{
const char *code_to_snapshot_p = ("function func(a, b, c) {"
" c = 'snapshot';"
" return arguments[0] + ' ' + b + ' ' + arguments[2];"
"};"
"func('string', 'from');");
jerry_init (JERRY_INIT_EMPTY);
jerry_register_magic_strings (magic_strings,
sizeof (magic_string_lengths) / sizeof (jerry_length_t),
magic_string_lengths);
jerry_value_t generate_result;
generate_result = jerry_generate_snapshot (NULL,
0,
(jerry_char_t *) code_to_snapshot_p,
strlen (code_to_snapshot_p),
JERRY_SNAPSHOT_SAVE_STATIC,
snapshot_buffer,
SNAPSHOT_BUFFER_SIZE);
TEST_ASSERT (!jerry_value_is_error (generate_result)
&& jerry_value_is_number (generate_result));
size_t snapshot_size = (size_t) jerry_get_number_value (generate_result);
jerry_release_value (generate_result);
/* Static snapshots are not supported by default. */
jerry_value_t exec_result = jerry_exec_snapshot (snapshot_buffer, snapshot_size, 0, 0);
TEST_ASSERT (jerry_value_is_error (exec_result));
jerry_release_value (exec_result);
jerry_cleanup ();
test_exec_snapshot (snapshot_buffer, snapshot_size, JERRY_SNAPSHOT_EXEC_ALLOW_STATIC);
}
/* Merge snapshot */
if (jerry_is_feature_enabled (JERRY_FEATURE_SNAPSHOT_SAVE)
&& jerry_is_feature_enabled (JERRY_FEATURE_SNAPSHOT_EXEC))
{
static uint32_t snapshot_buffer_0[SNAPSHOT_BUFFER_SIZE];
static uint32_t snapshot_buffer_1[SNAPSHOT_BUFFER_SIZE];
size_t snapshot_sizes[2];
static uint32_t merged_snapshot_buffer[SNAPSHOT_BUFFER_SIZE];
const char *code_to_snapshot_p = "123";
jerry_init (JERRY_INIT_EMPTY);
jerry_value_t generate_result;
generate_result = jerry_generate_snapshot (NULL,
0,
(const jerry_char_t *) code_to_snapshot_p,
strlen (code_to_snapshot_p),
0,
snapshot_buffer_0,
SNAPSHOT_BUFFER_SIZE);
TEST_ASSERT (!jerry_value_is_error (generate_result)
&& jerry_value_is_number (generate_result));
snapshot_sizes[0] = (size_t) jerry_get_number_value (generate_result);
jerry_release_value (generate_result);
jerry_cleanup ();
code_to_snapshot_p = "456";
jerry_init (JERRY_INIT_EMPTY);
generate_result = jerry_generate_snapshot (NULL,
0,
(const jerry_char_t *) code_to_snapshot_p,
strlen (code_to_snapshot_p),
0,
snapshot_buffer_1,
SNAPSHOT_BUFFER_SIZE);
TEST_ASSERT (!jerry_value_is_error (generate_result)
&& jerry_value_is_number (generate_result));
snapshot_sizes[1] = (size_t) jerry_get_number_value (generate_result);
jerry_release_value (generate_result);
jerry_cleanup ();
jerry_init (JERRY_INIT_EMPTY);
const char *error_p;
const uint32_t *snapshot_buffers[2];
snapshot_buffers[0] = snapshot_buffer_0;
snapshot_buffers[1] = snapshot_buffer_1;
size_t merged_size = jerry_merge_snapshots (snapshot_buffers,
snapshot_sizes,
2,
merged_snapshot_buffer,
SNAPSHOT_BUFFER_SIZE,
&error_p);
jerry_cleanup ();
jerry_init (JERRY_INIT_EMPTY);
jerry_value_t res = jerry_exec_snapshot (merged_snapshot_buffer, merged_size, 0, 0);
TEST_ASSERT (!jerry_value_is_error (res));
TEST_ASSERT (jerry_get_number_value (res) == 123);
jerry_release_value (res);
res = jerry_exec_snapshot (merged_snapshot_buffer, merged_size, 1, 0);
TEST_ASSERT (!jerry_value_is_error (res));
TEST_ASSERT (jerry_get_number_value (res) == 456);
jerry_release_value (res);
jerry_cleanup ();
}
/* Save literals */
if (jerry_is_feature_enabled (JERRY_FEATURE_SNAPSHOT_SAVE))
{
/* C format generation */
jerry_init (JERRY_INIT_EMPTY);
static uint32_t literal_buffer_c[SNAPSHOT_BUFFER_SIZE];
static const char *code_for_c_format_p = "var object = { aa:'fo o', Bb:'max', aaa:'xzy0' };";
size_t literal_sizes_c_format = jerry_parse_and_save_literals ((jerry_char_t *) code_for_c_format_p,
strlen (code_for_c_format_p),
false,
literal_buffer_c,
SNAPSHOT_BUFFER_SIZE,
true);
TEST_ASSERT (literal_sizes_c_format == 203);
static const char *expected_c_format = (
"jerry_length_t literal_count = 4;\n\n"
"jerry_char_ptr_t literals[4] =\n"
"{\n"
" \"Bb\",\n"
" \"aa\",\n"
" \"aaa\",\n"
" \"xzy0\"\n"
"};\n\n"
"jerry_length_t literal_sizes[4] =\n"
"{\n"
" 2 /* Bb */,\n"
" 2 /* aa */,\n"
" 3 /* aaa */,\n"
" 4 /* xzy0 */\n"
"};\n"
);
TEST_ASSERT (!strncmp ((char *) literal_buffer_c, expected_c_format, literal_sizes_c_format));
jerry_cleanup ();
/* List format generation */
jerry_init (JERRY_INIT_EMPTY);
static uint32_t literal_buffer_list[SNAPSHOT_BUFFER_SIZE];
static const char *code_for_list_format_p = "var obj = { a:'aa', bb:'Bb' };";
size_t literal_sizes_list_format = jerry_parse_and_save_literals ((jerry_char_t *) code_for_list_format_p,
strlen (code_for_list_format_p),
false,
literal_buffer_list,
SNAPSHOT_BUFFER_SIZE,
false);
TEST_ASSERT (literal_sizes_list_format == 25);
TEST_ASSERT (!strncmp ((char *) literal_buffer_list, "1 a\n2 Bb\n2 aa\n2 bb\n3 obj\n", literal_sizes_list_format));
jerry_cleanup ();
}
test_function_snapshot ();
test_function_arguments_snapshot ();
return 0;
} /* main */
|
