qemu with hax to log dma reads & writes jcs.org/2018/11/12/vfio
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1/* 2 * Unit tests for parsing of KEY=VALUE,... strings 3 * 4 * Copyright (C) 2017 Red Hat Inc. 5 * 6 * Authors: 7 * Markus Armbruster <armbru@redhat.com>, 8 * 9 * This work is licensed under the terms of the GNU GPL, version 2 or later. 10 * See the COPYING file in the top-level directory. 11 */ 12 13#include "qemu/osdep.h" 14#include "qemu/units.h" 15#include "qapi/error.h" 16#include "qapi/qmp/qdict.h" 17#include "qapi/qmp/qlist.h" 18#include "qapi/qmp/qstring.h" 19#include "qapi/qobject-input-visitor.h" 20#include "test-qapi-visit.h" 21#include "qemu/cutils.h" 22#include "qemu/option.h" 23 24static void test_keyval_parse(void) 25{ 26 Error *err = NULL; 27 QDict *qdict, *sub_qdict; 28 char long_key[129]; 29 char *params; 30 31 /* Nothing */ 32 qdict = keyval_parse("", NULL, &error_abort); 33 g_assert_cmpuint(qdict_size(qdict), ==, 0); 34 qobject_unref(qdict); 35 36 /* Empty key (qemu_opts_parse() accepts this) */ 37 qdict = keyval_parse("=val", NULL, &err); 38 error_free_or_abort(&err); 39 g_assert(!qdict); 40 41 /* Empty key fragment */ 42 qdict = keyval_parse(".", NULL, &err); 43 error_free_or_abort(&err); 44 g_assert(!qdict); 45 qdict = keyval_parse("key.", NULL, &err); 46 error_free_or_abort(&err); 47 g_assert(!qdict); 48 49 /* Invalid non-empty key (qemu_opts_parse() doesn't care) */ 50 qdict = keyval_parse("7up=val", NULL, &err); 51 error_free_or_abort(&err); 52 g_assert(!qdict); 53 54 /* Overlong key */ 55 memset(long_key, 'a', 127); 56 long_key[127] = 'z'; 57 long_key[128] = 0; 58 params = g_strdup_printf("k.%s=v", long_key); 59 qdict = keyval_parse(params + 2, NULL, &err); 60 error_free_or_abort(&err); 61 g_assert(!qdict); 62 63 /* Overlong key fragment */ 64 qdict = keyval_parse(params, NULL, &err); 65 error_free_or_abort(&err); 66 g_assert(!qdict); 67 g_free(params); 68 69 /* Long key (qemu_opts_parse() accepts and truncates silently) */ 70 params = g_strdup_printf("k.%s=v", long_key + 1); 71 qdict = keyval_parse(params + 2, NULL, &error_abort); 72 g_assert_cmpuint(qdict_size(qdict), ==, 1); 73 g_assert_cmpstr(qdict_get_try_str(qdict, long_key + 1), ==, "v"); 74 qobject_unref(qdict); 75 76 /* Long key fragment */ 77 qdict = keyval_parse(params, NULL, &error_abort); 78 g_assert_cmpuint(qdict_size(qdict), ==, 1); 79 sub_qdict = qdict_get_qdict(qdict, "k"); 80 g_assert(sub_qdict); 81 g_assert_cmpuint(qdict_size(sub_qdict), ==, 1); 82 g_assert_cmpstr(qdict_get_try_str(sub_qdict, long_key + 1), ==, "v"); 83 qobject_unref(qdict); 84 g_free(params); 85 86 /* Crap after valid key */ 87 qdict = keyval_parse("key[0]=val", NULL, &err); 88 error_free_or_abort(&err); 89 g_assert(!qdict); 90 91 /* Multiple keys, last one wins */ 92 qdict = keyval_parse("a=1,b=2,,x,a=3", NULL, &error_abort); 93 g_assert_cmpuint(qdict_size(qdict), ==, 2); 94 g_assert_cmpstr(qdict_get_try_str(qdict, "a"), ==, "3"); 95 g_assert_cmpstr(qdict_get_try_str(qdict, "b"), ==, "2,x"); 96 qobject_unref(qdict); 97 98 /* Even when it doesn't in qemu_opts_parse() */ 99 qdict = keyval_parse("id=foo,id=bar", NULL, &error_abort); 100 g_assert_cmpuint(qdict_size(qdict), ==, 1); 101 g_assert_cmpstr(qdict_get_try_str(qdict, "id"), ==, "bar"); 102 qobject_unref(qdict); 103 104 /* Dotted keys */ 105 qdict = keyval_parse("a.b.c=1,a.b.c=2,d=3", NULL, &error_abort); 106 g_assert_cmpuint(qdict_size(qdict), ==, 2); 107 sub_qdict = qdict_get_qdict(qdict, "a"); 108 g_assert(sub_qdict); 109 g_assert_cmpuint(qdict_size(sub_qdict), ==, 1); 110 sub_qdict = qdict_get_qdict(sub_qdict, "b"); 111 g_assert(sub_qdict); 112 g_assert_cmpuint(qdict_size(sub_qdict), ==, 1); 113 g_assert_cmpstr(qdict_get_try_str(sub_qdict, "c"), ==, "2"); 114 g_assert_cmpstr(qdict_get_try_str(qdict, "d"), ==, "3"); 115 qobject_unref(qdict); 116 117 /* Inconsistent dotted keys */ 118 qdict = keyval_parse("a.b=1,a=2", NULL, &err); 119 error_free_or_abort(&err); 120 g_assert(!qdict); 121 qdict = keyval_parse("a.b=1,a.b.c=2", NULL, &err); 122 error_free_or_abort(&err); 123 g_assert(!qdict); 124 125 /* Trailing comma is ignored */ 126 qdict = keyval_parse("x=y,", NULL, &error_abort); 127 g_assert_cmpuint(qdict_size(qdict), ==, 1); 128 g_assert_cmpstr(qdict_get_try_str(qdict, "x"), ==, "y"); 129 qobject_unref(qdict); 130 131 /* Except when it isn't */ 132 qdict = keyval_parse(",", NULL, &err); 133 error_free_or_abort(&err); 134 g_assert(!qdict); 135 136 /* Value containing ,id= not misinterpreted as qemu_opts_parse() does */ 137 qdict = keyval_parse("x=,,id=bar", NULL, &error_abort); 138 g_assert_cmpuint(qdict_size(qdict), ==, 1); 139 g_assert_cmpstr(qdict_get_try_str(qdict, "x"), ==, ",id=bar"); 140 qobject_unref(qdict); 141 142 /* Anti-social ID is left to caller (qemu_opts_parse() rejects it) */ 143 qdict = keyval_parse("id=666", NULL, &error_abort); 144 g_assert_cmpuint(qdict_size(qdict), ==, 1); 145 g_assert_cmpstr(qdict_get_try_str(qdict, "id"), ==, "666"); 146 qobject_unref(qdict); 147 148 /* Implied value not supported (unlike qemu_opts_parse()) */ 149 qdict = keyval_parse("an,noaus,noaus=", NULL, &err); 150 error_free_or_abort(&err); 151 g_assert(!qdict); 152 153 /* Implied value, key "no" (qemu_opts_parse(): negated empty key) */ 154 qdict = keyval_parse("no", NULL, &err); 155 error_free_or_abort(&err); 156 g_assert(!qdict); 157 158 /* Implied key */ 159 qdict = keyval_parse("an,aus=off,noaus=", "implied", &error_abort); 160 g_assert_cmpuint(qdict_size(qdict), ==, 3); 161 g_assert_cmpstr(qdict_get_try_str(qdict, "implied"), ==, "an"); 162 g_assert_cmpstr(qdict_get_try_str(qdict, "aus"), ==, "off"); 163 g_assert_cmpstr(qdict_get_try_str(qdict, "noaus"), ==, ""); 164 qobject_unref(qdict); 165 166 /* Implied dotted key */ 167 qdict = keyval_parse("val", "eins.zwei", &error_abort); 168 g_assert_cmpuint(qdict_size(qdict), ==, 1); 169 sub_qdict = qdict_get_qdict(qdict, "eins"); 170 g_assert(sub_qdict); 171 g_assert_cmpuint(qdict_size(sub_qdict), ==, 1); 172 g_assert_cmpstr(qdict_get_try_str(sub_qdict, "zwei"), ==, "val"); 173 qobject_unref(qdict); 174 175 /* Implied key with empty value (qemu_opts_parse() accepts this) */ 176 qdict = keyval_parse(",", "implied", &err); 177 error_free_or_abort(&err); 178 g_assert(!qdict); 179 180 /* Likewise (qemu_opts_parse(): implied key with comma value) */ 181 qdict = keyval_parse(",,,a=1", "implied", &err); 182 error_free_or_abort(&err); 183 g_assert(!qdict); 184 185 /* Empty key is not an implied key */ 186 qdict = keyval_parse("=val", "implied", &err); 187 error_free_or_abort(&err); 188 g_assert(!qdict); 189} 190 191static void check_list012(QList *qlist) 192{ 193 static const char *expected[] = { "null", "eins", "zwei" }; 194 int i; 195 QString *qstr; 196 197 g_assert(qlist); 198 for (i = 0; i < ARRAY_SIZE(expected); i++) { 199 qstr = qobject_to(QString, qlist_pop(qlist)); 200 g_assert(qstr); 201 g_assert_cmpstr(qstring_get_str(qstr), ==, expected[i]); 202 qobject_unref(qstr); 203 } 204 g_assert(qlist_empty(qlist)); 205} 206 207static void test_keyval_parse_list(void) 208{ 209 Error *err = NULL; 210 QDict *qdict, *sub_qdict; 211 212 /* Root can't be a list */ 213 qdict = keyval_parse("0=1", NULL, &err); 214 error_free_or_abort(&err); 215 g_assert(!qdict); 216 217 /* List elements need not be in order */ 218 qdict = keyval_parse("list.0=null,list.2=zwei,list.1=eins", 219 NULL, &error_abort); 220 g_assert_cmpint(qdict_size(qdict), ==, 1); 221 check_list012(qdict_get_qlist(qdict, "list")); 222 qobject_unref(qdict); 223 224 /* Multiple indexes, last one wins */ 225 qdict = keyval_parse("list.1=goner,list.0=null,list.01=eins,list.2=zwei", 226 NULL, &error_abort); 227 g_assert_cmpint(qdict_size(qdict), ==, 1); 228 check_list012(qdict_get_qlist(qdict, "list")); 229 qobject_unref(qdict); 230 231 /* List at deeper nesting */ 232 qdict = keyval_parse("a.list.1=eins,a.list.00=null,a.list.2=zwei", 233 NULL, &error_abort); 234 g_assert_cmpint(qdict_size(qdict), ==, 1); 235 sub_qdict = qdict_get_qdict(qdict, "a"); 236 g_assert_cmpint(qdict_size(sub_qdict), ==, 1); 237 check_list012(qdict_get_qlist(sub_qdict, "list")); 238 qobject_unref(qdict); 239 240 /* Inconsistent dotted keys: both list and dictionary */ 241 qdict = keyval_parse("a.b.c=1,a.b.0=2", NULL, &err); 242 error_free_or_abort(&err); 243 g_assert(!qdict); 244 qdict = keyval_parse("a.0.c=1,a.b.c=2", NULL, &err); 245 error_free_or_abort(&err); 246 g_assert(!qdict); 247 248 /* Missing list indexes */ 249 qdict = keyval_parse("list.1=lonely", NULL, &err); 250 error_free_or_abort(&err); 251 g_assert(!qdict); 252 qdict = keyval_parse("list.0=null,list.2=eins,list.02=zwei", NULL, &err); 253 error_free_or_abort(&err); 254 g_assert(!qdict); 255} 256 257static void test_keyval_visit_bool(void) 258{ 259 Error *err = NULL; 260 Visitor *v; 261 QDict *qdict; 262 bool b; 263 264 qdict = keyval_parse("bool1=on,bool2=off", NULL, &error_abort); 265 v = qobject_input_visitor_new_keyval(QOBJECT(qdict)); 266 qobject_unref(qdict); 267 visit_start_struct(v, NULL, NULL, 0, &error_abort); 268 visit_type_bool(v, "bool1", &b, &error_abort); 269 g_assert(b); 270 visit_type_bool(v, "bool2", &b, &error_abort); 271 g_assert(!b); 272 visit_check_struct(v, &error_abort); 273 visit_end_struct(v, NULL); 274 visit_free(v); 275 276 qdict = keyval_parse("bool1=offer", NULL, &error_abort); 277 v = qobject_input_visitor_new_keyval(QOBJECT(qdict)); 278 qobject_unref(qdict); 279 visit_start_struct(v, NULL, NULL, 0, &error_abort); 280 visit_type_bool(v, "bool1", &b, &err); 281 error_free_or_abort(&err); 282 visit_end_struct(v, NULL); 283 visit_free(v); 284} 285 286static void test_keyval_visit_number(void) 287{ 288 Error *err = NULL; 289 Visitor *v; 290 QDict *qdict; 291 uint64_t u; 292 293 /* Lower limit zero */ 294 qdict = keyval_parse("number1=0", NULL, &error_abort); 295 v = qobject_input_visitor_new_keyval(QOBJECT(qdict)); 296 qobject_unref(qdict); 297 visit_start_struct(v, NULL, NULL, 0, &error_abort); 298 visit_type_uint64(v, "number1", &u, &error_abort); 299 g_assert_cmpuint(u, ==, 0); 300 visit_check_struct(v, &error_abort); 301 visit_end_struct(v, NULL); 302 visit_free(v); 303 304 /* Upper limit 2^64-1 */ 305 qdict = keyval_parse("number1=18446744073709551615,number2=-1", 306 NULL, &error_abort); 307 v = qobject_input_visitor_new_keyval(QOBJECT(qdict)); 308 qobject_unref(qdict); 309 visit_start_struct(v, NULL, NULL, 0, &error_abort); 310 visit_type_uint64(v, "number1", &u, &error_abort); 311 g_assert_cmphex(u, ==, UINT64_MAX); 312 visit_type_uint64(v, "number2", &u, &error_abort); 313 g_assert_cmphex(u, ==, UINT64_MAX); 314 visit_check_struct(v, &error_abort); 315 visit_end_struct(v, NULL); 316 visit_free(v); 317 318 /* Above upper limit */ 319 qdict = keyval_parse("number1=18446744073709551616", 320 NULL, &error_abort); 321 v = qobject_input_visitor_new_keyval(QOBJECT(qdict)); 322 qobject_unref(qdict); 323 visit_start_struct(v, NULL, NULL, 0, &error_abort); 324 visit_type_uint64(v, "number1", &u, &err); 325 error_free_or_abort(&err); 326 visit_end_struct(v, NULL); 327 visit_free(v); 328 329 /* Below lower limit */ 330 qdict = keyval_parse("number1=-18446744073709551616", 331 NULL, &error_abort); 332 v = qobject_input_visitor_new_keyval(QOBJECT(qdict)); 333 qobject_unref(qdict); 334 visit_start_struct(v, NULL, NULL, 0, &error_abort); 335 visit_type_uint64(v, "number1", &u, &err); 336 error_free_or_abort(&err); 337 visit_end_struct(v, NULL); 338 visit_free(v); 339 340 /* Hex and octal */ 341 qdict = keyval_parse("number1=0x2a,number2=052", 342 NULL, &error_abort); 343 v = qobject_input_visitor_new_keyval(QOBJECT(qdict)); 344 qobject_unref(qdict); 345 visit_start_struct(v, NULL, NULL, 0, &error_abort); 346 visit_type_uint64(v, "number1", &u, &error_abort); 347 g_assert_cmpuint(u, ==, 42); 348 visit_type_uint64(v, "number2", &u, &error_abort); 349 g_assert_cmpuint(u, ==, 42); 350 visit_check_struct(v, &error_abort); 351 visit_end_struct(v, NULL); 352 visit_free(v); 353 354 /* Trailing crap */ 355 qdict = keyval_parse("number1=3.14,number2=08", 356 NULL, &error_abort); 357 v = qobject_input_visitor_new_keyval(QOBJECT(qdict)); 358 qobject_unref(qdict); 359 visit_start_struct(v, NULL, NULL, 0, &error_abort); 360 visit_type_uint64(v, "number1", &u, &err); 361 error_free_or_abort(&err); 362 visit_type_uint64(v, "number2", &u, &err); 363 error_free_or_abort(&err); 364 visit_end_struct(v, NULL); 365 visit_free(v); 366} 367 368static void test_keyval_visit_size(void) 369{ 370 Error *err = NULL; 371 Visitor *v; 372 QDict *qdict; 373 uint64_t sz; 374 375 /* Lower limit zero */ 376 qdict = keyval_parse("sz1=0", NULL, &error_abort); 377 v = qobject_input_visitor_new_keyval(QOBJECT(qdict)); 378 qobject_unref(qdict); 379 visit_start_struct(v, NULL, NULL, 0, &error_abort); 380 visit_type_size(v, "sz1", &sz, &error_abort); 381 g_assert_cmpuint(sz, ==, 0); 382 visit_check_struct(v, &error_abort); 383 visit_end_struct(v, NULL); 384 visit_free(v); 385 386 /* Note: precision is 53 bits since we're parsing with strtod() */ 387 388 /* Around limit of precision: 2^53-1, 2^53, 2^53+1 */ 389 qdict = keyval_parse("sz1=9007199254740991," 390 "sz2=9007199254740992," 391 "sz3=9007199254740993", 392 NULL, &error_abort); 393 v = qobject_input_visitor_new_keyval(QOBJECT(qdict)); 394 qobject_unref(qdict); 395 visit_start_struct(v, NULL, NULL, 0, &error_abort); 396 visit_type_size(v, "sz1", &sz, &error_abort); 397 g_assert_cmphex(sz, ==, 0x1fffffffffffff); 398 visit_type_size(v, "sz2", &sz, &error_abort); 399 g_assert_cmphex(sz, ==, 0x20000000000000); 400 visit_type_size(v, "sz3", &sz, &error_abort); 401 g_assert_cmphex(sz, ==, 0x20000000000000); 402 visit_check_struct(v, &error_abort); 403 visit_end_struct(v, NULL); 404 visit_free(v); 405 406 /* Close to signed upper limit 0x7ffffffffffffc00 (53 msbs set) */ 407 qdict = keyval_parse("sz1=9223372036854774784," /* 7ffffffffffffc00 */ 408 "sz2=9223372036854775295", /* 7ffffffffffffdff */ 409 NULL, &error_abort); 410 v = qobject_input_visitor_new_keyval(QOBJECT(qdict)); 411 qobject_unref(qdict); 412 visit_start_struct(v, NULL, NULL, 0, &error_abort); 413 visit_type_size(v, "sz1", &sz, &error_abort); 414 g_assert_cmphex(sz, ==, 0x7ffffffffffffc00); 415 visit_type_size(v, "sz2", &sz, &error_abort); 416 g_assert_cmphex(sz, ==, 0x7ffffffffffffc00); 417 visit_check_struct(v, &error_abort); 418 visit_end_struct(v, NULL); 419 visit_free(v); 420 421 /* Close to actual upper limit 0xfffffffffffff800 (53 msbs set) */ 422 qdict = keyval_parse("sz1=18446744073709549568," /* fffffffffffff800 */ 423 "sz2=18446744073709550591", /* fffffffffffffbff */ 424 NULL, &error_abort); 425 v = qobject_input_visitor_new_keyval(QOBJECT(qdict)); 426 qobject_unref(qdict); 427 visit_start_struct(v, NULL, NULL, 0, &error_abort); 428 visit_type_size(v, "sz1", &sz, &error_abort); 429 g_assert_cmphex(sz, ==, 0xfffffffffffff800); 430 visit_type_size(v, "sz2", &sz, &error_abort); 431 g_assert_cmphex(sz, ==, 0xfffffffffffff800); 432 visit_check_struct(v, &error_abort); 433 visit_end_struct(v, NULL); 434 visit_free(v); 435 436 /* Beyond limits */ 437 qdict = keyval_parse("sz1=-1," 438 "sz2=18446744073709550592", /* fffffffffffffc00 */ 439 NULL, &error_abort); 440 v = qobject_input_visitor_new_keyval(QOBJECT(qdict)); 441 qobject_unref(qdict); 442 visit_start_struct(v, NULL, NULL, 0, &error_abort); 443 visit_type_size(v, "sz1", &sz, &err); 444 error_free_or_abort(&err); 445 visit_type_size(v, "sz2", &sz, &err); 446 error_free_or_abort(&err); 447 visit_end_struct(v, NULL); 448 visit_free(v); 449 450 /* Suffixes */ 451 qdict = keyval_parse("sz1=8b,sz2=1.5k,sz3=2M,sz4=0.1G,sz5=16777215T", 452 NULL, &error_abort); 453 v = qobject_input_visitor_new_keyval(QOBJECT(qdict)); 454 qobject_unref(qdict); 455 visit_start_struct(v, NULL, NULL, 0, &error_abort); 456 visit_type_size(v, "sz1", &sz, &error_abort); 457 g_assert_cmpuint(sz, ==, 8); 458 visit_type_size(v, "sz2", &sz, &error_abort); 459 g_assert_cmpuint(sz, ==, 1536); 460 visit_type_size(v, "sz3", &sz, &error_abort); 461 g_assert_cmphex(sz, ==, 2 * MiB); 462 visit_type_size(v, "sz4", &sz, &error_abort); 463 g_assert_cmphex(sz, ==, GiB / 10); 464 visit_type_size(v, "sz5", &sz, &error_abort); 465 g_assert_cmphex(sz, ==, 16777215ULL * TiB); 466 visit_check_struct(v, &error_abort); 467 visit_end_struct(v, NULL); 468 visit_free(v); 469 470 /* Beyond limit with suffix */ 471 qdict = keyval_parse("sz1=16777216T", NULL, &error_abort); 472 v = qobject_input_visitor_new_keyval(QOBJECT(qdict)); 473 qobject_unref(qdict); 474 visit_start_struct(v, NULL, NULL, 0, &error_abort); 475 visit_type_size(v, "sz1", &sz, &err); 476 error_free_or_abort(&err); 477 visit_end_struct(v, NULL); 478 visit_free(v); 479 480 /* Trailing crap */ 481 qdict = keyval_parse("sz1=0Z,sz2=16Gi", NULL, &error_abort); 482 v = qobject_input_visitor_new_keyval(QOBJECT(qdict)); 483 qobject_unref(qdict); 484 visit_start_struct(v, NULL, NULL, 0, &error_abort); 485 visit_type_size(v, "sz1", &sz, &err); 486 error_free_or_abort(&err); 487 visit_type_size(v, "sz2", &sz, &err); 488 error_free_or_abort(&err); 489 visit_end_struct(v, NULL); 490 visit_free(v); 491} 492 493static void test_keyval_visit_dict(void) 494{ 495 Error *err = NULL; 496 Visitor *v; 497 QDict *qdict; 498 int64_t i; 499 500 qdict = keyval_parse("a.b.c=1,a.b.c=2,d=3", NULL, &error_abort); 501 v = qobject_input_visitor_new_keyval(QOBJECT(qdict)); 502 qobject_unref(qdict); 503 visit_start_struct(v, NULL, NULL, 0, &error_abort); 504 visit_start_struct(v, "a", NULL, 0, &error_abort); 505 visit_start_struct(v, "b", NULL, 0, &error_abort); 506 visit_type_int(v, "c", &i, &error_abort); 507 g_assert_cmpint(i, ==, 2); 508 visit_check_struct(v, &error_abort); 509 visit_end_struct(v, NULL); 510 visit_check_struct(v, &error_abort); 511 visit_end_struct(v, NULL); 512 visit_type_int(v, "d", &i, &error_abort); 513 g_assert_cmpint(i, ==, 3); 514 visit_check_struct(v, &error_abort); 515 visit_end_struct(v, NULL); 516 visit_free(v); 517 518 qdict = keyval_parse("a.b=", NULL, &error_abort); 519 v = qobject_input_visitor_new_keyval(QOBJECT(qdict)); 520 qobject_unref(qdict); 521 visit_start_struct(v, NULL, NULL, 0, &error_abort); 522 visit_start_struct(v, "a", NULL, 0, &error_abort); 523 visit_type_int(v, "c", &i, &err); /* a.c missing */ 524 error_free_or_abort(&err); 525 visit_check_struct(v, &err); 526 error_free_or_abort(&err); /* a.b unexpected */ 527 visit_end_struct(v, NULL); 528 visit_check_struct(v, &error_abort); 529 visit_end_struct(v, NULL); 530 visit_free(v); 531} 532 533static void test_keyval_visit_list(void) 534{ 535 Error *err = NULL; 536 Visitor *v; 537 QDict *qdict; 538 char *s; 539 540 qdict = keyval_parse("a.0=,a.1=I,a.2.0=II", NULL, &error_abort); 541 /* TODO empty list */ 542 v = qobject_input_visitor_new_keyval(QOBJECT(qdict)); 543 qobject_unref(qdict); 544 visit_start_struct(v, NULL, NULL, 0, &error_abort); 545 visit_start_list(v, "a", NULL, 0, &error_abort); 546 visit_type_str(v, NULL, &s, &error_abort); 547 g_assert_cmpstr(s, ==, ""); 548 g_free(s); 549 visit_type_str(v, NULL, &s, &error_abort); 550 g_assert_cmpstr(s, ==, "I"); 551 g_free(s); 552 visit_start_list(v, NULL, NULL, 0, &error_abort); 553 visit_type_str(v, NULL, &s, &error_abort); 554 g_assert_cmpstr(s, ==, "II"); 555 g_free(s); 556 visit_check_list(v, &error_abort); 557 visit_end_list(v, NULL); 558 visit_check_list(v, &error_abort); 559 visit_end_list(v, NULL); 560 visit_check_struct(v, &error_abort); 561 visit_end_struct(v, NULL); 562 visit_free(v); 563 564 qdict = keyval_parse("a.0=,b.0.0=head", NULL, &error_abort); 565 v = qobject_input_visitor_new_keyval(QOBJECT(qdict)); 566 qobject_unref(qdict); 567 visit_start_struct(v, NULL, NULL, 0, &error_abort); 568 visit_start_list(v, "a", NULL, 0, &error_abort); 569 visit_check_list(v, &err); /* a[0] unexpected */ 570 error_free_or_abort(&err); 571 visit_end_list(v, NULL); 572 visit_start_list(v, "b", NULL, 0, &error_abort); 573 visit_start_list(v, NULL, NULL, 0, &error_abort); 574 visit_type_str(v, NULL, &s, &error_abort); 575 g_assert_cmpstr(s, ==, "head"); 576 g_free(s); 577 visit_type_str(v, NULL, &s, &err); /* b[0][1] missing */ 578 error_free_or_abort(&err); 579 visit_end_list(v, NULL); 580 visit_end_list(v, NULL); 581 visit_check_struct(v, &error_abort); 582 visit_end_struct(v, NULL); 583 visit_free(v); 584} 585 586static void test_keyval_visit_optional(void) 587{ 588 Visitor *v; 589 QDict *qdict; 590 bool present; 591 int64_t i; 592 593 qdict = keyval_parse("a.b=1", NULL, &error_abort); 594 v = qobject_input_visitor_new_keyval(QOBJECT(qdict)); 595 qobject_unref(qdict); 596 visit_start_struct(v, NULL, NULL, 0, &error_abort); 597 visit_optional(v, "b", &present); 598 g_assert(!present); /* b missing */ 599 visit_optional(v, "a", &present); 600 g_assert(present); /* a present */ 601 visit_start_struct(v, "a", NULL, 0, &error_abort); 602 visit_optional(v, "b", &present); 603 g_assert(present); /* a.b present */ 604 visit_type_int(v, "b", &i, &error_abort); 605 g_assert_cmpint(i, ==, 1); 606 visit_optional(v, "a", &present); 607 g_assert(!present); /* a.a missing */ 608 visit_check_struct(v, &error_abort); 609 visit_end_struct(v, NULL); 610 visit_check_struct(v, &error_abort); 611 visit_end_struct(v, NULL); 612 visit_free(v); 613} 614 615static void test_keyval_visit_alternate(void) 616{ 617 Error *err = NULL; 618 Visitor *v; 619 QDict *qdict; 620 AltStrObj *aso; 621 AltNumEnum *ane; 622 AltEnumBool *aeb; 623 624 /* 625 * Can't do scalar alternate variants other than string. You get 626 * the string variant if there is one, else an error. 627 * TODO make it work for unambiguous cases like AltEnumBool below 628 */ 629 qdict = keyval_parse("a=1,b=2,c=on", NULL, &error_abort); 630 v = qobject_input_visitor_new_keyval(QOBJECT(qdict)); 631 qobject_unref(qdict); 632 visit_start_struct(v, NULL, NULL, 0, &error_abort); 633 visit_type_AltStrObj(v, "a", &aso, &error_abort); 634 g_assert_cmpint(aso->type, ==, QTYPE_QSTRING); 635 g_assert_cmpstr(aso->u.s, ==, "1"); 636 qapi_free_AltStrObj(aso); 637 visit_type_AltNumEnum(v, "b", &ane, &err); 638 error_free_or_abort(&err); 639 visit_type_AltEnumBool(v, "c", &aeb, &err); 640 error_free_or_abort(&err); 641 visit_end_struct(v, NULL); 642 visit_free(v); 643} 644 645static void test_keyval_visit_any(void) 646{ 647 Visitor *v; 648 QDict *qdict; 649 QObject *any; 650 QList *qlist; 651 QString *qstr; 652 653 qdict = keyval_parse("a.0=null,a.1=1", NULL, &error_abort); 654 v = qobject_input_visitor_new_keyval(QOBJECT(qdict)); 655 qobject_unref(qdict); 656 visit_start_struct(v, NULL, NULL, 0, &error_abort); 657 visit_type_any(v, "a", &any, &error_abort); 658 qlist = qobject_to(QList, any); 659 g_assert(qlist); 660 qstr = qobject_to(QString, qlist_pop(qlist)); 661 g_assert_cmpstr(qstring_get_str(qstr), ==, "null"); 662 qobject_unref(qstr); 663 qstr = qobject_to(QString, qlist_pop(qlist)); 664 g_assert_cmpstr(qstring_get_str(qstr), ==, "1"); 665 g_assert(qlist_empty(qlist)); 666 qobject_unref(qstr); 667 qobject_unref(any); 668 visit_check_struct(v, &error_abort); 669 visit_end_struct(v, NULL); 670 visit_free(v); 671} 672 673int main(int argc, char *argv[]) 674{ 675 g_test_init(&argc, &argv, NULL); 676 g_test_add_func("/keyval/keyval_parse", test_keyval_parse); 677 g_test_add_func("/keyval/keyval_parse/list", test_keyval_parse_list); 678 g_test_add_func("/keyval/visit/bool", test_keyval_visit_bool); 679 g_test_add_func("/keyval/visit/number", test_keyval_visit_number); 680 g_test_add_func("/keyval/visit/size", test_keyval_visit_size); 681 g_test_add_func("/keyval/visit/dict", test_keyval_visit_dict); 682 g_test_add_func("/keyval/visit/list", test_keyval_visit_list); 683 g_test_add_func("/keyval/visit/optional", test_keyval_visit_optional); 684 g_test_add_func("/keyval/visit/alternate", test_keyval_visit_alternate); 685 g_test_add_func("/keyval/visit/any", test_keyval_visit_any); 686 g_test_run(); 687 return 0; 688}