File
Blob: src/workerd/api/node/tests/v8-nodejs-test.js
| 1 | // Copyright (c) 2023 Cloudflare, Inc. |
| 2 | // Licensed under the Apache 2.0 license found in the LICENSE file or at: |
| 3 | // https://opensource.org/licenses/Apache-2.0 |
| 4 | import * as v8 from 'node:v8'; |
| 5 | import { strictEqual, deepStrictEqual, throws } from 'node:assert'; |
| 6 | |
| 7 | export const v8Test = { |
| 8 | test() { |
| 9 | // Note: test was generated by claude with manual tweaks |
| 10 | |
| 11 | // Test cachedDataVersionTag function |
| 12 | strictEqual(typeof v8.cachedDataVersionTag, 'function'); |
| 13 | strictEqual(v8.cachedDataVersionTag(), 0); |
| 14 | |
| 15 | // Test getHeapStatistics - should return object with expected structure |
| 16 | const heapStats = v8.getHeapStatistics(); |
| 17 | strictEqual(typeof heapStats, 'object'); |
| 18 | strictEqual(heapStats.total_heap_size, 0); |
| 19 | strictEqual(heapStats.total_heap_size_executable, 0); |
| 20 | strictEqual(heapStats.total_physical_size, 0); |
| 21 | strictEqual(heapStats.total_available_size, 0); |
| 22 | strictEqual(heapStats.used_heap_size, 0); |
| 23 | strictEqual(heapStats.heap_size_limit, 0); |
| 24 | strictEqual(heapStats.malloced_memory, 0); |
| 25 | strictEqual(heapStats.peak_malloced_memory, 0); |
| 26 | strictEqual(heapStats.does_zap_garbage, 0); |
| 27 | strictEqual(heapStats.number_of_native_contexts, 0); |
| 28 | strictEqual(heapStats.number_of_detached_contexts, 0); |
| 29 | strictEqual(heapStats.total_global_handles_size, 0); |
| 30 | strictEqual(heapStats.used_global_handles_size, 0); |
| 31 | strictEqual(heapStats.external_memory, 0); |
| 32 | |
| 33 | // Test getHeapSpaceStatistics - should return empty array |
| 34 | const heapSpaceStats = v8.getHeapSpaceStatistics(); |
| 35 | deepStrictEqual(heapSpaceStats, []); |
| 36 | |
| 37 | // Test getHeapCodeStatistics - should return object with expected structure |
| 38 | const heapCodeStats = v8.getHeapCodeStatistics(); |
| 39 | strictEqual(typeof heapCodeStats, 'object'); |
| 40 | strictEqual(heapCodeStats.code_and_metadata_size, 0); |
| 41 | strictEqual(heapCodeStats.bytecode_and_metadata_size, 0); |
| 42 | strictEqual(heapCodeStats.external_script_source_size, 0); |
| 43 | strictEqual(heapCodeStats.cpu_profiler_metadata_size, 0); |
| 44 | |
| 45 | // Test getCppHeapStatistics with default 'detailed' type |
| 46 | const cppHeapStats = v8.getCppHeapStatistics(); |
| 47 | strictEqual(typeof cppHeapStats, 'object'); |
| 48 | strictEqual(cppHeapStats.committed_size_bytes, 0); |
| 49 | strictEqual(cppHeapStats.resident_size_bytes, 0); |
| 50 | strictEqual(cppHeapStats.used_size_bytes, 0); |
| 51 | deepStrictEqual(cppHeapStats.space_statistics, []); |
| 52 | deepStrictEqual(cppHeapStats.type_names, []); |
| 53 | strictEqual(cppHeapStats.detail_level, 'detailed'); |
| 54 | |
| 55 | // Test getCppHeapStatistics with 'brief' type |
| 56 | const cppHeapStatsBrief = v8.getCppHeapStatistics('brief'); |
| 57 | strictEqual(cppHeapStatsBrief.detail_level, 'brief'); |
| 58 | |
| 59 | // Test getCppHeapStatistics with invalid type |
| 60 | throws( |
| 61 | () => { |
| 62 | v8.getCppHeapStatistics('invalid'); |
| 63 | }, |
| 64 | { |
| 65 | code: 'ERR_INVALID_ARG_VALUE', |
| 66 | } |
| 67 | ); |
| 68 | |
| 69 | // Test writeHeapSnapshot - should throw ERR_METHOD_NOT_IMPLEMENTED |
| 70 | throws( |
| 71 | () => { |
| 72 | v8.writeHeapSnapshot(); |
| 73 | }, |
| 74 | { |
| 75 | code: 'ERR_METHOD_NOT_IMPLEMENTED', |
| 76 | } |
| 77 | ); |
| 78 | |
| 79 | throws( |
| 80 | () => { |
| 81 | v8.writeHeapSnapshot('test.heapsnapshot'); |
| 82 | }, |
| 83 | { |
| 84 | code: 'ERR_METHOD_NOT_IMPLEMENTED', |
| 85 | } |
| 86 | ); |
| 87 | |
| 88 | throws( |
| 89 | () => { |
| 90 | v8.writeHeapSnapshot('test.heapsnapshot', { exposeInternals: true }); |
| 91 | }, |
| 92 | { |
| 93 | code: 'ERR_METHOD_NOT_IMPLEMENTED', |
| 94 | } |
| 95 | ); |
| 96 | |
| 97 | // Test writeHeapSnapshot argument validation |
| 98 | throws( |
| 99 | () => { |
| 100 | v8.writeHeapSnapshot(123); |
| 101 | }, |
| 102 | { |
| 103 | code: 'ERR_INVALID_ARG_TYPE', |
| 104 | } |
| 105 | ); |
| 106 | |
| 107 | throws( |
| 108 | () => { |
| 109 | v8.writeHeapSnapshot('test.heapsnapshot', 'invalid'); |
| 110 | }, |
| 111 | { |
| 112 | code: 'ERR_INVALID_ARG_TYPE', |
| 113 | } |
| 114 | ); |
| 115 | |
| 116 | throws( |
| 117 | () => { |
| 118 | v8.writeHeapSnapshot('test.heapsnapshot', { |
| 119 | exposeInternals: 'invalid', |
| 120 | }); |
| 121 | }, |
| 122 | { |
| 123 | code: 'ERR_INVALID_ARG_TYPE', |
| 124 | } |
| 125 | ); |
| 126 | |
| 127 | throws( |
| 128 | () => { |
| 129 | v8.writeHeapSnapshot('test.heapsnapshot', { |
| 130 | exposeNumericValues: 'invalid', |
| 131 | }); |
| 132 | }, |
| 133 | { |
| 134 | code: 'ERR_INVALID_ARG_TYPE', |
| 135 | } |
| 136 | ); |
| 137 | |
| 138 | // Test getHeapSnapshot - should throw ERR_METHOD_NOT_IMPLEMENTED |
| 139 | throws( |
| 140 | () => { |
| 141 | v8.getHeapSnapshot(); |
| 142 | }, |
| 143 | { |
| 144 | code: 'ERR_METHOD_NOT_IMPLEMENTED', |
| 145 | } |
| 146 | ); |
| 147 | |
| 148 | throws( |
| 149 | () => { |
| 150 | v8.getHeapSnapshot({ exposeInternals: false }); |
| 151 | }, |
| 152 | { |
| 153 | code: 'ERR_METHOD_NOT_IMPLEMENTED', |
| 154 | } |
| 155 | ); |
| 156 | |
| 157 | // Test getHeapSnapshot argument validation |
| 158 | throws( |
| 159 | () => { |
| 160 | v8.getHeapSnapshot('invalid'); |
| 161 | }, |
| 162 | { |
| 163 | code: 'ERR_INVALID_ARG_TYPE', |
| 164 | } |
| 165 | ); |
| 166 | |
| 167 | throws( |
| 168 | () => { |
| 169 | v8.getHeapSnapshot({ exposeInternals: 'invalid' }); |
| 170 | }, |
| 171 | { |
| 172 | code: 'ERR_INVALID_ARG_TYPE', |
| 173 | } |
| 174 | ); |
| 175 | |
| 176 | // Test setFlagsFromString - should throw ERR_METHOD_NOT_IMPLEMENTED |
| 177 | throws( |
| 178 | () => { |
| 179 | v8.setFlagsFromString('--expose-gc'); |
| 180 | }, |
| 181 | { |
| 182 | code: 'ERR_METHOD_NOT_IMPLEMENTED', |
| 183 | } |
| 184 | ); |
| 185 | |
| 186 | // Test setFlagsFromString argument validation |
| 187 | throws( |
| 188 | () => { |
| 189 | v8.setFlagsFromString(123); |
| 190 | }, |
| 191 | { |
| 192 | code: 'ERR_INVALID_ARG_TYPE', |
| 193 | } |
| 194 | ); |
| 195 | |
| 196 | throws( |
| 197 | () => { |
| 198 | v8.setFlagsFromString(); |
| 199 | }, |
| 200 | { |
| 201 | code: 'ERR_INVALID_ARG_TYPE', |
| 202 | } |
| 203 | ); |
| 204 | |
| 205 | // Test isStringOneByteRepresentation - should throw ERR_METHOD_NOT_IMPLEMENTED |
| 206 | throws( |
| 207 | () => { |
| 208 | v8.isStringOneByteRepresentation('hello'); |
| 209 | }, |
| 210 | { |
| 211 | code: 'ERR_METHOD_NOT_IMPLEMENTED', |
| 212 | } |
| 213 | ); |
| 214 | |
| 215 | // Test isStringOneByteRepresentation argument validation |
| 216 | throws( |
| 217 | () => { |
| 218 | v8.isStringOneByteRepresentation(123); |
| 219 | }, |
| 220 | { |
| 221 | code: 'ERR_INVALID_ARG_TYPE', |
| 222 | } |
| 223 | ); |
| 224 | |
| 225 | throws( |
| 226 | () => { |
| 227 | v8.isStringOneByteRepresentation(); |
| 228 | }, |
| 229 | { |
| 230 | code: 'ERR_INVALID_ARG_TYPE', |
| 231 | } |
| 232 | ); |
| 233 | |
| 234 | // Test setHeapSnapshotNearHeapLimit - should throw ERR_METHOD_NOT_IMPLEMENTED |
| 235 | throws( |
| 236 | () => { |
| 237 | v8.setHeapSnapshotNearHeapLimit(1); |
| 238 | }, |
| 239 | { |
| 240 | code: 'ERR_METHOD_NOT_IMPLEMENTED', |
| 241 | } |
| 242 | ); |
| 243 | |
| 244 | // Test setHeapSnapshotNearHeapLimit argument validation |
| 245 | throws( |
| 246 | () => { |
| 247 | v8.setHeapSnapshotNearHeapLimit(-1); |
| 248 | }, |
| 249 | { |
| 250 | code: 'ERR_OUT_OF_RANGE', |
| 251 | } |
| 252 | ); |
| 253 | |
| 254 | throws( |
| 255 | () => { |
| 256 | v8.setHeapSnapshotNearHeapLimit('invalid'); |
| 257 | }, |
| 258 | { |
| 259 | code: 'ERR_INVALID_ARG_TYPE', |
| 260 | } |
| 261 | ); |
| 262 | |
| 263 | throws( |
| 264 | () => { |
| 265 | v8.setHeapSnapshotNearHeapLimit(); |
| 266 | }, |
| 267 | { |
| 268 | code: 'ERR_INVALID_ARG_TYPE', |
| 269 | } |
| 270 | ); |
| 271 | |
| 272 | // Test Serializer class |
| 273 | throws( |
| 274 | () => { |
| 275 | new v8.Serializer(); |
| 276 | }, |
| 277 | { |
| 278 | code: 'ERR_METHOD_NOT_IMPLEMENTED', |
| 279 | } |
| 280 | ); |
| 281 | |
| 282 | // Test Deserializer class |
| 283 | throws( |
| 284 | () => { |
| 285 | new v8.Deserializer(Buffer.from('test')); |
| 286 | }, |
| 287 | { |
| 288 | code: 'ERR_METHOD_NOT_IMPLEMENTED', |
| 289 | } |
| 290 | ); |
| 291 | |
| 292 | // Test DefaultSerializer class |
| 293 | throws( |
| 294 | () => { |
| 295 | new v8.DefaultSerializer(); |
| 296 | }, |
| 297 | { |
| 298 | code: 'ERR_METHOD_NOT_IMPLEMENTED', |
| 299 | } |
| 300 | ); |
| 301 | |
| 302 | // Test DefaultDeserializer class |
| 303 | throws( |
| 304 | () => { |
| 305 | new v8.DefaultDeserializer(Buffer.from('test')); |
| 306 | }, |
| 307 | { |
| 308 | code: 'ERR_METHOD_NOT_IMPLEMENTED', |
| 309 | } |
| 310 | ); |
| 311 | |
| 312 | // Test serialize function |
| 313 | throws( |
| 314 | () => { |
| 315 | v8.serialize({ test: 'value' }); |
| 316 | }, |
| 317 | { |
| 318 | code: 'ERR_METHOD_NOT_IMPLEMENTED', |
| 319 | } |
| 320 | ); |
| 321 | |
| 322 | // Test deserialize function |
| 323 | throws( |
| 324 | () => { |
| 325 | v8.deserialize(Buffer.from('test')); |
| 326 | }, |
| 327 | { |
| 328 | code: 'ERR_METHOD_NOT_IMPLEMENTED', |
| 329 | } |
| 330 | ); |
| 331 | |
| 332 | // Test GCProfiler class |
| 333 | const gcProfiler = new v8.GCProfiler(); |
| 334 | throws( |
| 335 | () => { |
| 336 | gcProfiler.start(); |
| 337 | }, |
| 338 | { |
| 339 | code: 'ERR_METHOD_NOT_IMPLEMENTED', |
| 340 | } |
| 341 | ); |
| 342 | |
| 343 | throws( |
| 344 | () => { |
| 345 | gcProfiler.stop(); |
| 346 | }, |
| 347 | { |
| 348 | code: 'ERR_METHOD_NOT_IMPLEMENTED', |
| 349 | } |
| 350 | ); |
| 351 | |
| 352 | // Test promiseHooks |
| 353 | throws( |
| 354 | () => { |
| 355 | v8.promiseHooks.createHook(); |
| 356 | }, |
| 357 | { |
| 358 | code: 'ERR_METHOD_NOT_IMPLEMENTED', |
| 359 | } |
| 360 | ); |
| 361 | |
| 362 | throws( |
| 363 | () => { |
| 364 | v8.promiseHooks.onInit(); |
| 365 | }, |
| 366 | { |
| 367 | code: 'ERR_METHOD_NOT_IMPLEMENTED', |
| 368 | } |
| 369 | ); |
| 370 | |
| 371 | throws( |
| 372 | () => { |
| 373 | v8.promiseHooks.onBefore(); |
| 374 | }, |
| 375 | { |
| 376 | code: 'ERR_METHOD_NOT_IMPLEMENTED', |
| 377 | } |
| 378 | ); |
| 379 | |
| 380 | throws( |
| 381 | () => { |
| 382 | v8.promiseHooks.onAfter(); |
| 383 | }, |
| 384 | { |
| 385 | code: 'ERR_METHOD_NOT_IMPLEMENTED', |
| 386 | } |
| 387 | ); |
| 388 | |
| 389 | throws( |
| 390 | () => { |
| 391 | v8.promiseHooks.onSettled(); |
| 392 | }, |
| 393 | { |
| 394 | code: 'ERR_METHOD_NOT_IMPLEMENTED', |
| 395 | } |
| 396 | ); |
| 397 | |
| 398 | // Test queryObjects function |
| 399 | throws( |
| 400 | () => { |
| 401 | v8.queryObjects(Object); |
| 402 | }, |
| 403 | { |
| 404 | code: 'ERR_METHOD_NOT_IMPLEMENTED', |
| 405 | } |
| 406 | ); |
| 407 | |
| 408 | throws( |
| 409 | () => { |
| 410 | v8.queryObjects(Array, { format: 'count' }); |
| 411 | }, |
| 412 | { |
| 413 | code: 'ERR_METHOD_NOT_IMPLEMENTED', |
| 414 | } |
| 415 | ); |
| 416 | |
| 417 | throws( |
| 418 | () => { |
| 419 | v8.queryObjects(Array, { format: 'summary' }); |
| 420 | }, |
| 421 | { |
| 422 | code: 'ERR_METHOD_NOT_IMPLEMENTED', |
| 423 | } |
| 424 | ); |
| 425 | |
| 426 | // Test queryObjects argument validation |
| 427 | throws( |
| 428 | () => { |
| 429 | v8.queryObjects('invalid'); |
| 430 | }, |
| 431 | { |
| 432 | code: 'ERR_INVALID_ARG_TYPE', |
| 433 | } |
| 434 | ); |
| 435 | |
| 436 | throws( |
| 437 | () => { |
| 438 | v8.queryObjects(); |
| 439 | }, |
| 440 | { |
| 441 | code: 'ERR_INVALID_ARG_TYPE', |
| 442 | } |
| 443 | ); |
| 444 | |
| 445 | throws( |
| 446 | () => { |
| 447 | v8.queryObjects(Object, 'invalid'); |
| 448 | }, |
| 449 | { |
| 450 | code: 'ERR_INVALID_ARG_TYPE', |
| 451 | } |
| 452 | ); |
| 453 | |
| 454 | throws( |
| 455 | () => { |
| 456 | v8.queryObjects(Object, { format: 'invalid' }); |
| 457 | }, |
| 458 | { |
| 459 | code: 'ERR_INVALID_ARG_VALUE', |
| 460 | } |
| 461 | ); |
| 462 | |
| 463 | // Test takeCoverage function |
| 464 | throws( |
| 465 | () => { |
| 466 | v8.takeCoverage(); |
| 467 | }, |
| 468 | { |
| 469 | code: 'ERR_METHOD_NOT_IMPLEMENTED', |
| 470 | } |
| 471 | ); |
| 472 | |
| 473 | // Test stopCoverage function |
| 474 | throws( |
| 475 | () => { |
| 476 | v8.stopCoverage(); |
| 477 | }, |
| 478 | { |
| 479 | code: 'ERR_METHOD_NOT_IMPLEMENTED', |
| 480 | } |
| 481 | ); |
| 482 | |
| 483 | // Test startupSnapshot methods |
| 484 | throws( |
| 485 | () => { |
| 486 | v8.startupSnapshot.addSerializeCallback(() => {}, {}); |
| 487 | }, |
| 488 | { |
| 489 | code: 'ERR_METHOD_NOT_IMPLEMENTED', |
| 490 | } |
| 491 | ); |
| 492 | |
| 493 | throws( |
| 494 | () => { |
| 495 | v8.startupSnapshot.addDeserializeCallback(() => {}, {}); |
| 496 | }, |
| 497 | { |
| 498 | code: 'ERR_METHOD_NOT_IMPLEMENTED', |
| 499 | } |
| 500 | ); |
| 501 | |
| 502 | throws( |
| 503 | () => { |
| 504 | v8.startupSnapshot.setDeserializeMainFunction(() => {}, {}); |
| 505 | }, |
| 506 | { |
| 507 | code: 'ERR_METHOD_NOT_IMPLEMENTED', |
| 508 | } |
| 509 | ); |
| 510 | |
| 511 | // Test startupSnapshot.isBuildingSnapshot - should return false (not throw) |
| 512 | strictEqual(v8.startupSnapshot.isBuildingSnapshot(), false); |
| 513 | |
| 514 | // Test default export exists and has expected properties |
| 515 | strictEqual(typeof v8.default, 'object'); |
| 516 | strictEqual(v8.default.cachedDataVersionTag, v8.cachedDataVersionTag); |
| 517 | strictEqual(v8.default.getHeapStatistics, v8.getHeapStatistics); |
| 518 | strictEqual(v8.default.Serializer, v8.Serializer); |
| 519 | strictEqual(v8.default.Deserializer, v8.Deserializer); |
| 520 | }, |
| 521 | }; |