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GeezerVison is showing github.com — lmdbjava/src/test/java/org/lmdbjava/EnvTest.java at master · lmdbjava/lmdbjava Expand file tree/ Copy pathEnvTest.javaMore file actions 741 lines (687 loc) · 24.7 KB / Copy pathEnvTest.javaFile metadata and controls741 lines (687 loc) · 24.7 KB 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 /* * Copyright © 2016-2025 The LmdbJava Open Source Project * * 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. */ package org.lmdbjava; import static java.nio.ByteBuffer.allocateDirect; import static org.assertj.core.api.Assertions.assertThat; import static org.assertj.core.api.Assertions.assertThatThrownBy; import static org.lmdbjava.CopyFlags.MDB_CP_COMPACT; import static org.lmdbjava.DbiFlags.MDB_CREATE; import static org.lmdbjava.Env.Builder.MAX_READERS_DEFAULT; import static org.lmdbjava.EnvFlags.MDB_NOSUBDIR; import static org.lmdbjava.EnvFlags.MDB_NOSYNC; import static org.lmdbjava.EnvFlags.MDB_NOTLS; import static org.lmdbjava.EnvFlags.MDB_RDONLY_ENV; import static org.lmdbjava.TestUtils.DB_1; import static org.lmdbjava.TestUtils.bb; import java.io.IOException; import java.io.UncheckedIOException; import java.nio.ByteBuffer; import java.nio.file.Files; import java.nio.file.Path; import java.util.Arrays; import java.util.Collection; import java.util.Collections; import java.util.List; import java.util.Random; import org.assertj.core.api.Assertions; import org.junit.jupiter.api.AfterEach; import org.junit.jupiter.api.BeforeEach; import org.junit.jupiter.api.Test; import org.lmdbjava.Env.AlreadyClosedException; import org.lmdbjava.Env.AlreadyOpenException; import org.lmdbjava.Env.Builder; import org.lmdbjava.Env.InvalidCopyDestination; import org.lmdbjava.Env.MapFullException; import org.lmdbjava.Txn.BadReaderLockException; /** Test {@link Env}. */ public final class EnvTest { private TempDir tempDir; @BeforeEach void beforeEach() { tempDir = new TempDir(); } @AfterEach void afterEach() { tempDir.cleanup(); } @Test void byteUnit() { final Path file = tempDir.createTempFile(); try (Env<ByteBuffer> env = Env.create() .setMaxReaders(1) .setMapSize(1, ByteUnit.MEBIBYTES) .setEnvFlags(MDB_NOSUBDIR) .open(file)) { final EnvInfo info = env.info(); assertThat(info.mapSize).isEqualTo(ByteUnit.MEBIBYTES.toBytes(1)); } } @Test void cannotChangeMapSizeAfterOpen() { assertThatThrownBy( () -> { final Path file = tempDir.createTempFile(); final Builder<ByteBuffer> builder = Env.create().setMaxReaders(1).setEnvFlags(MDB_NOSUBDIR); try (Env<ByteBuffer> ignored = builder.setEnvFlags(MDB_NOSUBDIR).open(file)) { builder.setMapSize(1); } }) .isInstanceOf(AlreadyOpenException.class); } @Test void cannotChangePermissionsAfterOpen() { assertThatThrownBy( () -> { final Path file = tempDir.createTempFile(); final Builder<ByteBuffer> builder = Env.create().setFilePermissions(0666).setEnvFlags(MDB_NOSUBDIR); try (Env<ByteBuffer> ignored = builder.setEnvFlags(MDB_NOSUBDIR).open(file)) { builder.setFilePermissions(0664); } }) .isInstanceOf(AlreadyOpenException.class); } @Test void cannotChangeMaxDbsAfterOpen() { assertThatThrownBy( () -> { final Path file = tempDir.createTempFile(); final Builder<ByteBuffer> builder = Env.create().setMaxReaders(1).setEnvFlags(MDB_NOSUBDIR); try (Env<ByteBuffer> ignored = builder.setEnvFlags(MDB_NOSUBDIR).open(file)) { builder.setMaxDbs(1); } }) .isInstanceOf(AlreadyOpenException.class); } @Test void cannotChangeMaxReadersAfterOpen() { assertThatThrownBy( () -> { final Path file = tempDir.createTempFile(); final Builder<ByteBuffer> builder = Env.create().setMaxReaders(1).setEnvFlags(MDB_NOSUBDIR); try (Env<ByteBuffer> ignored = builder.setEnvFlags(MDB_NOSUBDIR).open(file)) { builder.setMaxReaders(1); } }) .isInstanceOf(AlreadyOpenException.class); } @Test void cannotInfoOnceClosed() { assertThatThrownBy( () -> { final Path file = tempDir.createTempFile(); final Env<ByteBuffer> env = Env.create().setMaxReaders(1).setEnvFlags(MDB_NOSUBDIR).open(file); env.close(); env.info(); }) .isInstanceOf(AlreadyClosedException.class); } @Test void cannotOpenTwice() { assertThatThrownBy( () -> { final Path file = tempDir.createTempFile(); final Builder<ByteBuffer> builder = Env.create().setMaxReaders(1).setEnvFlags(MDB_NOSUBDIR); builder.open(file).close(); //noinspection resource // This will fail to open builder.open(file); }) .isInstanceOf(AlreadyOpenException.class); } @Test void cannotOverflowMapSize() { assertThatThrownBy( () -> { final Builder<ByteBuffer> builder = Env.create().setMaxReaders(1); final int mb = 1_024 * 1_024; //noinspection NumericOverflow // Intentional overflow final int size = mb * 2_048; // as per issue 18 builder.setMapSize(size); }) .isInstanceOf(IllegalArgumentException.class); } @Test void negativeMapSize() { assertThatThrownBy( () -> { final Builder<ByteBuffer> builder = Env.create().setMaxReaders(1); builder.setMapSize(-1); }) .isInstanceOf(IllegalArgumentException.class); } @Test void negativeMapSize2() { assertThatThrownBy( () -> { final Builder<ByteBuffer> builder = Env.create().setMaxReaders(1); builder.setMapSize(-1, ByteUnit.MEBIBYTES); }) .isInstanceOf(IllegalArgumentException.class); } @Test void cannotStatOnceClosed() { assertThatThrownBy( () -> { final Path file = tempDir.createTempFile(); final Env<ByteBuffer> env = Env.create().setMaxReaders(1).setEnvFlags(MDB_NOSUBDIR).open(file); env.close(); env.stat(); }) .isInstanceOf(AlreadyClosedException.class); } @Test void cannotSyncOnceClosed() { assertThatThrownBy( () -> { final Path file = tempDir.createTempFile(); final Env<ByteBuffer> env = Env.create().setMaxReaders(1).setEnvFlags(MDB_NOSUBDIR).open(file); env.close(); env.sync(false); }) .isInstanceOf(AlreadyClosedException.class); } @Test void copyDirectoryBased() { final Path dest = tempDir.createTempDir(); assertThat(Files.exists(dest)).isTrue(); assertThat(Files.isDirectory(dest)).isTrue(); assertThat(FileUtil.count(dest)).isEqualTo(0); final Path src = tempDir.createTempDir(); try (Env<ByteBuffer> env = Env.create().setMaxReaders(1).open(src)) { env.copy(dest, MDB_CP_COMPACT); assertThat(FileUtil.count(dest)).isEqualTo(1); } } @Test void copyDirectoryBased_noFlags() { final Path dest = tempDir.createTempDir(); assertThat(Files.exists(dest)).isTrue(); assertThat(Files.isDirectory(dest)).isTrue(); assertThat(FileUtil.count(dest)).isEqualTo(0); final Path src = tempDir.createTempDir(); try (Env<ByteBuffer> env = Env.create().setMaxReaders(1).open(src)) { env.copy(dest); assertThat(FileUtil.count(dest)).isEqualTo(1); } } @Test void copyDirectoryRejectsFileDestination() { assertThatThrownBy( () -> { final Path dest = tempDir.createTempDir(); FileUtil.deleteDir(dest); final Path src = tempDir.createTempDir(); try (Env<ByteBuffer> env = Env.create().setMaxReaders(1).open(src)) { env.copy(dest, MDB_CP_COMPACT); } }) .isInstanceOf(InvalidCopyDestination.class); } @Test void copyDirectoryRejectsMissingDestination() { assertThatThrownBy( () -> { final Path dest = tempDir.createTempDir(); try { Files.delete(dest); final Path src = tempDir.createTempDir(); try (Env<ByteBuffer> env = Env.create().setMaxReaders(1).open(src)) { env.copy(dest, MDB_CP_COMPACT); } } catch (final IOException e) { throw new UncheckedIOException(e); } }) .isInstanceOf(InvalidCopyDestination.class); } @Test void copyDirectoryRejectsNonEmptyDestination() { assertThatThrownBy( () -> { final Path dest = tempDir.createTempDir(); try { final Path subDir = dest.resolve("hello"); Files.createDirectory(subDir); assertThat(Files.isDirectory(subDir)).isTrue(); final Path src = tempDir.createTempDir(); try (Env<ByteBuffer> env = Env.create().setMaxReaders(1).open(src)) { env.copy(dest, MDB_CP_COMPACT); } } catch (final IOException e) { throw new UncheckedIOException(e); } }) .isInstanceOf(InvalidCopyDestination.class); } @Test void copyFileBased() { final Path dest = tempDir.createTempFile(); assertThat(Files.exists(dest)).isFalse(); final Path src = tempDir.createTempFile(); try (Env<ByteBuffer> env = Env.create().setMaxReaders(1).setEnvFlags(MDB_NOSUBDIR).open(src)) { env.copy(dest, MDB_CP_COMPACT); } assertThat(FileUtil.size(dest)).isGreaterThan(0L); } @Test void copyFileRejectsExistingDestination() { assertThatThrownBy( () -> { final Path dest = tempDir.createTempFile(); Files.createFile(dest); assertThat(Files.exists(dest)).isTrue(); final Path src = tempDir.createTempFile(); try (Env<ByteBuffer> env = Env.create().setMaxReaders(1).setEnvFlags(MDB_NOSUBDIR).open(src)) { env.copy(dest, MDB_CP_COMPACT); } }) .isInstanceOf(InvalidCopyDestination.class); } @Test void createAsDirectory() { final Path dest = tempDir.createTempDir(); final Env<ByteBuffer> env = Env.create().setMaxReaders(1).open(dest); assertThat(Files.isDirectory(dest)).isTrue(); env.sync(false); env.close(); assertThat(env.isClosed()).isTrue(); env.close(); // safe to repeat } @Test void createAsFile() { final Path file = tempDir.createTempFile(); try (Env<ByteBuffer> env = Env.create() .setMapSize(1, ByteUnit.MEBIBYTES) .setMaxDbs(1) .setMaxReaders(1) .setEnvFlags(MDB_NOSUBDIR) .open(file)) { env.sync(true); assertThat(Files.isRegularFile(file)).isTrue(); } } @Test void detectTransactionThreadViolation() { assertThatThrownBy( () -> { final Path file = tempDir.createTempFile(); try (Env<ByteBuffer> env = Env.create().setMaxReaders(1).setEnvFlags(MDB_NOSUBDIR).open(file)) { env.txnRead(); env.txnRead(); } }) .isInstanceOf(BadReaderLockException.class); } @Test void info() { final Path file = tempDir.createTempFile(); try (Env<ByteBuffer> env = Env.create() .setMaxReaders(4) .setMapSize(123_456) .setEnvFlags(MDB_NOSUBDIR) .setEnvFlags(MDB_NOSUBDIR) .open(file)) { final EnvInfo info = env.info(); assertThat(info).isNotNull(); assertThat(info.lastPageNumber).isEqualTo(1L); assertThat(info.lastTransactionId).isEqualTo(0L); assertThat(info.mapAddress).isEqualTo(0L); assertThat(info.mapSize).isEqualTo(123_456L); assertThat(info.maxReaders).isEqualTo(4); assertThat(info.numReaders).isEqualTo(0); assertThat(info.toString()).contains("maxReaders="); assertThat(env.getMaxKeySize()).isEqualTo(511); } } @Test void mapFull() { assertThatThrownBy( () -> { final Path dir = tempDir.createTempDir(); final byte[] k = new byte[500]; final ByteBuffer key = allocateDirect(500); final ByteBuffer val = allocateDirect(1_024); final Random rnd = new Random(); try (Env<ByteBuffer> env = Env.create() .setMaxReaders(1) .setMapSize(8, ByteUnit.MEBIBYTES) .setMaxDbs(1) .open(dir)) { final Dbi<ByteBuffer> db = env.createDbi() .setDbName(DB_1) .withDefaultComparator() .setDbiFlags(MDB_CREATE) .open(); //noinspection InfiniteLoopStatement // Needs infinite loop to fill the env for (; ; ) { rnd.nextBytes(k); key.clear(); key.put(k).flip(); val.clear(); db.put(key, val); } } }) .isInstanceOf(MapFullException.class); } @Test void readOnlySupported() { final Path dir = tempDir.createTempDir(); try (Env<ByteBuffer> rwEnv = Env.create().setMaxReaders(1).open(dir)) { final Dbi<ByteBuffer> rwDb = rwEnv.createDbi().setDbName(DB_1).withDefaultComparator().setDbiFlags(MDB_CREATE).open(); rwDb.put(bb(1), bb(42)); } try (Env<ByteBuffer> roEnv = Env.create().setMaxReaders(1).setEnvFlags(MDB_RDONLY_ENV).open(dir)) { final Dbi<ByteBuffer> roDb = roEnv .createDbi() .setDbName(DB_1) .withDefaultComparator() .setDbiFlags(DbiFlagSet.EMPTY) .open(); try (Txn<ByteBuffer> roTxn = roEnv.txnRead()) { assertThat(roDb.get(roTxn, bb(1))).isNotNull(); } } } @Test void setMapSize() { final Path dir = tempDir.createTempDir(); final byte[] k = new byte[500]; final ByteBuffer key = allocateDirect(500); final ByteBuffer val = allocateDirect(1_024); final Random rnd = new Random(); try (Env<ByteBuffer> env = Env.create().setMaxReaders(1).setMapSize(256, ByteUnit.KIBIBYTES).setMaxDbs(1).open(dir)) { final Dbi<ByteBuffer> db = env.createDbi().setDbName(DB_1).withDefaultComparator().setDbiFlags(MDB_CREATE).open(); db.put(bb(1), bb(42)); boolean mapFullExThrown = false; try { for (int i = 0; i < 70; i++) { rnd.nextBytes(k); key.clear(); key.put(k).flip(); val.clear(); db.put(key, val); } } catch (final MapFullException mfE) { mapFullExThrown = true; } assertThat(mapFullExThrown).isTrue(); assertThatThrownBy( () -> { env.setMapSize(-1, ByteUnit.KIBIBYTES); }) .isInstanceOf(IllegalArgumentException.class); assertThatThrownBy( () -> { env.setMapSize(-1); }) .isInstanceOf(IllegalArgumentException.class); env.setMapSize(1024, ByteUnit.KIBIBYTES); try (Txn<ByteBuffer> roTxn = env.txnRead()) { final ByteBuffer byteBuffer = db.get(roTxn, bb(1)); assertThat(byteBuffer).isNotNull(); assertThat(byteBuffer.getInt()).isEqualTo(42); } mapFullExThrown = false; try { for (int i = 0; i < 70; i++) { rnd.nextBytes(k); key.clear(); key.put(k).flip(); val.clear(); db.put(key, val); } } catch (final MapFullException mfE) { mapFullExThrown = true; } assertThat(mapFullExThrown).isFalse(); } } @Test void stats() { final Path file = tempDir.createTempFile(); try (Env<ByteBuffer> env = Env.create().setMaxReaders(1).setEnvFlags(MDB_NOSUBDIR).open(file)) { final Stat stat = env.stat(); assertThat(stat).isNotNull(); assertThat(stat.branchPages).isEqualTo(0L); assertThat(stat.depth).isEqualTo(0); assertThat(stat.entries).isEqualTo(0L); assertThat(stat.leafPages).isEqualTo(0L); assertThat(stat.overflowPages).isEqualTo(0L); assertThat(stat.pageSize % 4_096).isEqualTo(0); assertThat(stat.toString()).contains("pageSize="); } } @Test void testDefaultOpen() { final Path dir = tempDir.createTempDir(); try (Env<ByteBuffer> env = Env.create().setMapSize(10, ByteUnit.MEBIBYTES).open(dir)) { final EnvInfo info = env.info(); assertThat(info.maxReaders).isEqualTo(MAX_READERS_DEFAULT); final Dbi<ByteBuffer> db = env.createDbi().setDbName("test").withDefaultComparator().setDbiFlags(MDB_CREATE).open(); db.put(allocateDirect(1), allocateDirect(1)); } } @Test void testDefaultOpenNoName1() { final Path dir = tempDir.createTempDir(); try (Env<ByteBuffer> env = Env.create().setMapSize(10, ByteUnit.MEBIBYTES).open(dir)) { final EnvInfo info = env.info(); assertThat(info.maxReaders).isEqualTo(MAX_READERS_DEFAULT); final Dbi<ByteBuffer> db = env.createDbi() .setDbName((String) null) .withDefaultComparator() .setDbiFlags(MDB_CREATE) .open(); db.put(bb("abc"), allocateDirect(1)); db.put(bb("def"), allocateDirect(1)); // As this is the unnamed database it returns all keys in the unnamed db final List<byte[]> dbiNamesBytes = env.getDbiNames(); assertThat(dbiNamesBytes).hasSize(2); assertThat(dbiNamesBytes.get(0)).isEqualTo("abc".getBytes(Env.DEFAULT_NAME_CHARSET)); assertThat(dbiNamesBytes.get(1)).isEqualTo("def".getBytes(Env.DEFAULT_NAME_CHARSET)); final List<String> dbiNames = env.getDbiNames(Env.DEFAULT_NAME_CHARSET); assertThat(dbiNames).hasSize(2); assertThat(dbiNames.get(0)).isEqualTo("abc"); assertThat(dbiNames.get(1)).isEqualTo("def"); } } @Test void testDefaultOpenNoName2() { final Path dir = tempDir.createTempDir(); try (Env<ByteBuffer> env = Env.create().setMapSize(10, ByteUnit.MEBIBYTES).open(dir)) { final EnvInfo info = env.info(); assertThat(info.maxReaders).isEqualTo(MAX_READERS_DEFAULT); final Dbi<ByteBuffer> db = env.createDbi() .setDbName((byte[]) null) .withDefaultComparator() .setDbiFlags(MDB_CREATE) .open(); db.put(bb("abc"), allocateDirect(1)); db.put(bb("def"), allocateDirect(1)); // As this is the unnamed database it returns all keys in the unnamed db final List<byte[]> dbiNames = env.getDbiNames(); assertThat(dbiNames).hasSize(2); assertThat(dbiNames.get(0)).isEqualTo("abc".getBytes(Env.DEFAULT_NAME_CHARSET)); assertThat(dbiNames.get(1)).isEqualTo("def".getBytes(Env.DEFAULT_NAME_CHARSET)); } } @Test void addEnvFlag() { final Path file = tempDir.createTempFile(); try (Env<ByteBuffer> env = Env.create() .setMapSize(1, ByteUnit.MEBIBYTES) .setMaxDbs(1) .setMaxReaders(1) .addEnvFlag(MDB_NOSUBDIR) .addEnvFlag(MDB_NOTLS) // Should not overwrite the existing one .open(file)) { env.sync(true); assertThat(Files.isRegularFile(file)).isTrue(); assertThat(env.getEnvFlagSet().getFlags()) .containsExactlyInAnyOrderElementsOf(EnvFlagSet.of(MDB_NOSUBDIR, MDB_NOTLS).getFlags()); } } @Test void addEnvFlags() { final Path file = tempDir.createTempFile(); try (Env<ByteBuffer> env = Env.create() .setMapSize(1, ByteUnit.MEBIBYTES) .setMaxDbs(1) .setMaxReaders(1) .addEnvFlags(EnvFlagSet.of(MDB_NOSUBDIR, MDB_NOTLS)) .addEnvFlag(MDB_NOTLS) // Should not overwrite the existing one .addEnvFlag(null) // no-op .addEnvFlags((EnvFlagSet) null) // no-op .addEnvFlags((Collection<EnvFlags>) null) // no-op .open(file)) { env.sync(true); assertThat(env.getEnvFlagSet().getFlags()) .containsExactlyInAnyOrderElementsOf(EnvFlagSet.of(MDB_NOSUBDIR, MDB_NOTLS).getFlags()); assertThat(Files.isRegularFile(file)).isTrue(); } } @Test void addEnvFlags2() { final Path file = tempDir.createTempFile(); try (Env<ByteBuffer> env = Env.create() .setMapSize(1, ByteUnit.MEBIBYTES) .setMaxDbs(1) .setMaxReaders(1) .addEnvFlags(Arrays.asList(MDB_NOSUBDIR, MDB_NOTLS)) .addEnvFlags(Collections.singleton(MDB_NOSYNC)) .open(file)) { env.sync(true); assertThat(env.getEnvFlagSet().getFlags()) .containsExactlyInAnyOrderElementsOf( EnvFlagSet.of(MDB_NOSUBDIR, MDB_NOTLS, MDB_NOSYNC).getFlags()); assertThat(Files.isRegularFile(file)).isTrue(); } } @Test void setEnvFlags() { final Path file = tempDir.createTempFile(); try (Env<ByteBuffer> env = Env.create() .setMapSize(1, ByteUnit.MEBIBYTES) .setMaxDbs(1) .setMaxReaders(1) .setEnvFlags((EnvFlagSet) null) // No-op .setEnvFlags((EnvFlags) null) // No-op .setEnvFlags((EnvFlags[]) null) // No-op .setEnvFlags((Collection<EnvFlags>) null) // No-op .setEnvFlags(MDB_NOSYNC) // Will be overwritten .setEnvFlags(Arrays.asList(MDB_NOSUBDIR, MDB_NOTLS)) .open(file)) { env.sync(true); assertThat(Files.isRegularFile(file)).isTrue(); assertThat(env.getEnvFlagSet().getFlags()) .containsExactlyInAnyOrderElementsOf(EnvFlagSet.of(MDB_NOSUBDIR, MDB_NOTLS).getFlags()); } } @Test void setEnvFlags2() { final Path dir = tempDir.createTempDir(); try (Env<ByteBuffer> env = Env.create() .setMapSize(1, ByteUnit.MEBIBYTES) .setMaxDbs(1) .setMaxReaders(1) .setEnvFlags(MDB_NOSUBDIR, MDB_NOTLS) .setEnvFlags(Collections.emptySet()) // Clears them .open(dir)) { env.sync(true); assertThat(env.getEnvFlagSet().getFlags()).isEmpty(); assertThat(Files.isDirectory(dir)); } } @Test void setEnvFlags_null1() { final Path file = tempDir.createTempFile(); // MDB_NOSUBDIR is cleared out so it will error as file is a file not a dir Assertions.assertThatThrownBy( () -> { try (Env<ByteBuffer> env = Env.create() .setMapSize(1, ByteUnit.MEBIBYTES) .setMaxDbs(1) .setMaxReaders(1) .addEnvFlag(MDB_NOSUBDIR) .setEnvFlags((Collection<EnvFlags>) null) // Clears the flags .open(file)) {} }) .isInstanceOf(LmdbNativeException.class); } @Test void setEnvFlags_null2() { final Path file = tempDir.createTempFile(); // MDB_NOSUBDIR is cleared out so it will error as file is a file not a dir Assertions.assertThatThrownBy( () -> { try (Env<ByteBuffer> env = Env.create() .setMapSize(1, ByteUnit.MEBIBYTES) .setMaxDbs(1) .setMaxReaders(1) .addEnvFlag(MDB_NOSUBDIR) .setEnvFlags((EnvFlags) null) // Clears the flags .open(file)) {} }) .isInstanceOf(LmdbNativeException.class); } @Test void setEnvFlags_null3() { final Path file = tempDir.createTempFile(); // MDB_NOSUBDIR is cleared out so it will error as file is a file not a dir Assertions.assertThatThrownBy( () -> { try (Env<ByteBuffer> env = Env.create() .setMapSize(1, ByteUnit.MEBIBYTES) .setMaxDbs(1) .setMaxReaders(1) .addEnvFlag(MDB_NOSUBDIR) .setEnvFlags((EnvFlagSet) null) // Clears the flags .open(file)) {} }) .isInstanceOf(LmdbNativeException.class); } } |
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