1import 'dart:typed_data'; 2 3import 'package:flat_buffers/flex_buffers.dart' show Reference, Builder; 4import 'package:test/test.dart'; 5 6void main() { 7 test('is null', () { 8 expect(Reference.fromBuffer(b([0, 0, 1])).isNull, isTrue); 9 }); 10 11 test('bool value', () { 12 expect(Reference.fromBuffer(b([1, 104, 1])).boolValue, isTrue); 13 expect(Reference.fromBuffer(b([0, 104, 1])).boolValue, isFalse); 14 }); 15 test('int value', () { 16 expect(Reference.fromBuffer(b([25, 4, 1])).intValue, 25); 17 expect(Reference.fromBuffer(b([231, 4, 1])).intValue, -25); 18 expect(Reference.fromBuffer(b([230, 8, 1])).intValue, 230); 19 expect(Reference.fromBuffer(b([230, 0, 5, 2])).intValue, 230); 20 expect(Reference.fromBuffer(b([1, 4, 5, 2])).intValue, 1025); 21 expect(Reference.fromBuffer(b([255, 251, 5, 2])).intValue, -1025); 22 expect(Reference.fromBuffer(b([1, 4, 9, 2])).intValue, 1025); 23 expect(Reference.fromBuffer(b([255, 255, 255, 127, 6, 4])).intValue, 24 2147483647); 25 expect(Reference.fromBuffer(b([0, 0, 0, 128, 6, 4])).intValue, -2147483648); 26 expect( 27 Reference.fromBuffer(b([255, 255, 255, 255, 0, 0, 0, 0, 7, 8])) 28 .intValue, 29 4294967295); 30 expect( 31 Reference.fromBuffer(b([255, 255, 255, 255, 255, 255, 255, 127, 7, 8])) 32 .intValue, 33 9223372036854775807); 34 expect(Reference.fromBuffer(b([0, 0, 0, 0, 0, 0, 0, 128, 7, 8])).intValue, 35 -9223372036854775808); 36 // Dart does not really support UInt64 37// expect(FlxValue.fromBuffer(b([255, 255, 255, 255, 255, 255, 255, 255, 11, 8])).intValue, 18446744073709551615); 38 }); 39 test('double value', () { 40 expect(Reference.fromBuffer(b([0, 0, 144, 64, 14, 4])).doubleValue, 4.5); 41 expect(Reference.fromBuffer(b([205, 204, 204, 61, 14, 4])).doubleValue, 42 closeTo(.1, .001)); 43 expect( 44 Reference.fromBuffer(b([154, 153, 153, 153, 153, 153, 185, 63, 15, 8])) 45 .doubleValue, 46 .1); 47 }); 48 test('num value', () { 49 expect(Reference.fromBuffer(b([0, 0, 144, 64, 14, 4])).numValue, 4.5); 50 expect(Reference.fromBuffer(b([205, 204, 204, 61, 14, 4])).numValue, 51 closeTo(.1, .001)); 52 expect( 53 Reference.fromBuffer(b([154, 153, 153, 153, 153, 153, 185, 63, 15, 8])) 54 .numValue, 55 .1); 56 expect(Reference.fromBuffer(b([255, 251, 5, 2])).numValue, -1025); 57 }); 58 test('string value', () { 59 expect( 60 Reference.fromBuffer(b([5, 77, 97, 120, 105, 109, 0, 6, 20, 1])) 61 .stringValue, 62 'Maxim'); 63 expect( 64 Reference.fromBuffer(b([ 65 10, 66 104, 67 101, 68 108, 69 108, 70 111, 71 32, 72 240, 73 159, 74 152, 75 177, 76 0, 77 11, 78 20, 79 1 80 ])).stringValue, 81 'hello ��'); 82 }); 83 test('blob value', () { 84 expect( 85 Reference.fromBuffer(b([3, 1, 2, 3, 3, 100, 1])).blobValue, [1, 2, 3]); 86 }); 87 test('bool vector', () { 88 var flx = Reference.fromBuffer(b([3, 1, 0, 1, 3, 144, 1])); 89 expect(flx[0].boolValue, true); 90 expect(flx[1].boolValue, false); 91 expect(flx[2].boolValue, true); 92 }); 93 test('number vector', () { 94 testNumbers([3, 1, 2, 3, 3, 44, 1], [1, 2, 3]); 95 testNumbers([3, 255, 2, 3, 3, 44, 1], [-1, 2, 3]); 96 testNumbers([3, 0, 1, 0, 43, 2, 3, 0, 6, 45, 1], [1, 555, 3]); 97 testNumbers([3, 0, 0, 0, 1, 0, 0, 0, 204, 216, 0, 0, 3, 0, 0, 0, 12, 46, 1], 98 [1, 55500, 3]); 99 testNumbers([ 100 3, 101 0, 102 0, 103 0, 104 0, 105 0, 106 0, 107 0, 108 1, 109 0, 110 0, 111 0, 112 0, 113 0, 114 0, 115 0, 116 172, 117 128, 118 94, 119 239, 120 12, 121 0, 122 0, 123 0, 124 3, 125 0, 126 0, 127 0, 128 0, 129 0, 130 0, 131 0, 132 24, 133 47, 134 1 135 ], [ 136 1, 137 55555555500, 138 3 139 ]); 140 testNumbers( 141 [3, 0, 0, 0, 0, 0, 192, 63, 0, 0, 32, 64, 0, 0, 96, 64, 12, 54, 1], 142 [1.5, 2.5, 3.5]); 143 testNumbers([ 144 3, 145 0, 146 0, 147 0, 148 0, 149 0, 150 0, 151 0, 152 154, 153 153, 154 153, 155 153, 156 153, 157 153, 158 241, 159 63, 160 154, 161 153, 162 153, 163 153, 164 153, 165 153, 166 1, 167 64, 168 102, 169 102, 170 102, 171 102, 172 102, 173 102, 174 10, 175 64, 176 24, 177 55, 178 1 179 ], [ 180 1.1, 181 2.2, 182 3.3 183 ]); 184 }); 185 test('number vector, fixed type', () { 186 testNumbers([1, 2, 2, 64, 1], [1, 2]); 187 testNumbers([255, 255, 0, 1, 4, 65, 1], [-1, 256]); 188 testNumbers([211, 255, 255, 255, 0, 232, 3, 0, 8, 66, 1], [-45, 256000]); 189 testNumbers([ 190 211, 191 255, 192 255, 193 255, 194 255, 195 255, 196 255, 197 255, 198 255, 199 255, 200 255, 201 255, 202 255, 203 255, 204 255, 205 127, 206 16, 207 67, 208 1 209 ], [ 210 -45, 211 9223372036854775807 212 ]); 213 214 testNumbers([1, 2, 2, 68, 1], [1, 2]); 215 testNumbers([1, 0, 0, 1, 4, 69, 1], [1, 256]); 216 testNumbers([45, 0, 0, 0, 0, 232, 3, 0, 8, 70, 1], [45, 256000]); 217 218 testNumbers([205, 204, 140, 63, 0, 0, 0, 192, 8, 74, 1], [1.1, -2]); 219 testNumbers([ 220 154, 221 153, 222 153, 223 153, 224 153, 225 153, 226 241, 227 63, 228 0, 229 0, 230 0, 231 0, 232 0, 233 0, 234 112, 235 192, 236 16, 237 75, 238 1 239 ], [ 240 1.1, 241 -256 242 ]); 243 244 testNumbers([211, 255, 255, 255, 0, 232, 3, 0, 4, 0, 0, 0, 12, 78, 1], 245 [-45, 256000, 4]); 246 247 testNumbers([ 248 211, 249 255, 250 255, 251 255, 252 255, 253 255, 254 255, 255 255, 256 255, 257 255, 258 255, 259 255, 260 255, 261 255, 262 255, 263 127, 264 4, 265 0, 266 0, 267 0, 268 0, 269 0, 270 0, 271 0, 272 9, 273 0, 274 0, 275 0, 276 0, 277 0, 278 0, 279 0, 280 32, 281 91, 282 1 283 ], [ 284 -45, 285 9223372036854775807, 286 4, 287 9 288 ]); 289 290 testNumbers([ 291 45, 292 0, 293 0, 294 0, 295 0, 296 0, 297 0, 298 0, 299 255, 300 255, 301 255, 302 255, 303 255, 304 255, 305 255, 306 127, 307 4, 308 0, 309 0, 310 0, 311 0, 312 0, 313 0, 314 0, 315 9, 316 0, 317 0, 318 0, 319 0, 320 0, 321 0, 322 0, 323 32, 324 95, 325 1 326 ], [ 327 45, 328 9223372036854775807, 329 4, 330 9 331 ]); 332 333 testNumbers([ 334 154, 335 153, 336 153, 337 153, 338 153, 339 153, 340 241, 341 63, 342 0, 343 0, 344 0, 345 0, 346 0, 347 0, 348 112, 349 64, 350 0, 351 0, 352 0, 353 0, 354 0, 355 0, 356 16, 357 64, 358 24, 359 87, 360 1 361 ], [ 362 1.1, 363 256, 364 4 365 ]); 366 367 testNumbers([ 368 154, 369 153, 370 153, 371 153, 372 153, 373 153, 374 241, 375 63, 376 0, 377 0, 378 0, 379 0, 380 0, 381 0, 382 112, 383 64, 384 0, 385 0, 386 0, 387 0, 388 0, 389 0, 390 16, 391 64, 392 0, 393 0, 394 0, 395 0, 396 0, 397 0, 398 34, 399 64, 400 32, 401 99, 402 1 403 ], [ 404 1.1, 405 256, 406 4, 407 9 408 ]); 409 }); 410 test('string vector', () { 411 testStrings([ 412 3, 413 102, 414 111, 415 111, 416 0, 417 3, 418 98, 419 97, 420 114, 421 0, 422 3, 423 98, 424 97, 425 122, 426 0, 427 3, 428 15, 429 11, 430 7, 431 3, 432 60, 433 1 434 ], [ 435 'foo', 436 'bar', 437 'baz' 438 ]); 439 testStrings([ 440 3, 441 102, 442 111, 443 111, 444 0, 445 3, 446 98, 447 97, 448 114, 449 0, 450 3, 451 98, 452 97, 453 122, 454 0, 455 6, 456 15, 457 11, 458 7, 459 18, 460 14, 461 10, 462 6, 463 60, 464 1 465 ], [ 466 'foo', 467 'bar', 468 'baz', 469 'foo', 470 'bar', 471 'baz' 472 ]); 473 }); 474 test('mixed vector', () { 475 var flx = Reference.fromBuffer(b([ 476 3, 477 102, 478 111, 479 111, 480 0, 481 0, 482 0, 483 0, 484 5, 485 0, 486 0, 487 0, 488 0, 489 0, 490 0, 491 0, 492 15, 493 0, 494 0, 495 0, 496 0, 497 0, 498 0, 499 0, 500 1, 501 0, 502 0, 503 0, 504 0, 505 0, 506 0, 507 0, 508 251, 509 255, 510 255, 511 255, 512 255, 513 255, 514 255, 515 255, 516 205, 517 204, 518 204, 519 204, 520 204, 521 204, 522 244, 523 63, 524 1, 525 0, 526 0, 527 0, 528 0, 529 0, 530 0, 531 0, 532 20, 533 4, 534 4, 535 15, 536 104, 537 45, 538 43, 539 1 540 ])); 541 expect(flx.length, 5); 542 expect(flx[0].stringValue, 'foo'); 543 expect(flx[1].numValue, 1); 544 expect(flx[2].numValue, -5); 545 expect(flx[3].numValue, 1.3); 546 expect(flx[4].boolValue, true); 547 }); 548 549 test('single value map', () { 550 var flx = Reference.fromBuffer(b([97, 0, 1, 3, 1, 1, 1, 12, 4, 2, 36, 1])); 551 expect(flx.length, 1); 552 expect(flx['a'].numValue, 12); 553 }); 554 test('two value map', () { 555 var flx = Reference.fromBuffer( 556 b([0, 97, 0, 2, 4, 4, 2, 1, 2, 45, 12, 4, 4, 4, 36, 1])); 557 expect(flx.length, 2); 558 expect(flx['a'].numValue, 12); 559 expect(flx[''].numValue, 45); 560 }); 561 test('complex map', () { 562 var flx = complexMap(); 563 expect(flx.length, 5); 564 expect(flx['age'].numValue, 35); 565 expect(flx['weight'].numValue, 72.5); 566 expect(flx['name'].stringValue, 'Maxim'); 567 568 expect(flx['flags'].length, 4); 569 expect(flx['flags'][0].boolValue, true); 570 expect(flx['flags'][1].boolValue, false); 571 expect(flx['flags'][2].boolValue, true); 572 expect(flx['flags'][3].boolValue, true); 573 574 expect(flx['address'].length, 3); 575 expect(flx['address']['city'].stringValue, 'Bla'); 576 expect(flx['address']['zip'].stringValue, '12345'); 577 expect(flx['address']['countryCode'].stringValue, 'XX'); 578 579 expect( 580 () => flx['address']['country'].stringValue, 581 throwsA(predicate((dynamic e) => 582 e is ArgumentError && 583 e.message == 584 'Key: [country] is not applicable on: //address of: ValueType.Map'))); 585 expect( 586 () => flx['address']['countryCode'][0], 587 throwsA(predicate((dynamic e) => 588 e is ArgumentError && 589 e.message == 590 'Key: [0] is not applicable on: //address/countryCode of: ValueType.String'))); 591 expect( 592 () => flx[1], 593 throwsA(predicate((dynamic e) => 594 e is ArgumentError && 595 e.message == 596 'Key: [1] is not applicable on: / of: ValueType.Map'))); 597 expect( 598 () => flx['flags'][4], 599 throwsA(predicate((dynamic e) => 600 e is ArgumentError && 601 e.message == 602 'Key: [4] is not applicable on: //flags of: ValueType.VectorBool length: 4'))); 603 expect( 604 () => flx['flags'][-1], 605 throwsA(predicate((dynamic e) => 606 e is ArgumentError && 607 e.message == 608 'Key: [-1] is not applicable on: //flags of: ValueType.VectorBool length: 4'))); 609 }); 610 test('complex map to json', () { 611 var flx = complexMap(); 612 expect(flx.json, 613 '{"address":{"city":"Bla","countryCode":"XX","zip":"12345"},"age":35,"flags":[true,false,true,true],"name":"Maxim","weight":72.5}'); 614 }); 615 616 test('complex map iterators', () { 617 var flx = complexMap(); 618 expect(flx.mapKeyIterable.map((e) => e).toList(), 619 ['address', 'age', 'flags', 'name', 'weight']); 620 expect(flx.mapValueIterable.map((e) => e.json).toList(), [ 621 flx['address'].json, 622 flx['age'].json, 623 flx['flags'].json, 624 flx['name'].json, 625 flx['weight'].json 626 ]); 627 expect(flx['flags'].vectorIterable.map((e) => e.boolValue).toList(), 628 [true, false, true, true]); 629 }); 630 631 test('bug where offest were stored as int instead of uint', () { 632 const data = [ 633 99, 634 104, 635 97, 636 110, 637 110, 638 101, 639 108, 640 115, 641 95, 642 105, 643 110, 644 0, 645 100, 646 105, 647 108, 648 97, 649 116, 650 105, 651 111, 652 110, 653 95, 654 104, 655 101, 656 105, 657 103, 658 104, 659 116, 660 95, 661 102, 662 97, 663 99, 664 116, 665 111, 666 114, 667 0, 668 100, 669 105, 670 108, 671 97, 672 116, 673 105, 674 111, 675 110, 676 95, 677 119, 678 105, 679 100, 680 116, 681 104, 682 95, 683 102, 684 97, 685 99, 686 116, 687 111, 688 114, 689 0, 690 102, 691 117, 692 115, 693 101, 694 100, 695 95, 696 97, 697 99, 698 116, 699 105, 700 118, 701 97, 702 116, 703 105, 704 111, 705 110, 706 95, 707 102, 708 117, 709 110, 710 99, 711 116, 712 105, 713 111, 714 110, 715 0, 716 112, 717 97, 718 100, 719 95, 720 118, 721 97, 722 108, 723 117, 724 101, 725 115, 726 0, 727 112, 728 97, 729 100, 730 100, 731 105, 732 110, 733 103, 734 0, 735 115, 736 116, 737 114, 738 105, 739 100, 740 101, 741 95, 742 104, 743 101, 744 105, 745 103, 746 104, 747 116, 748 0, 749 115, 750 116, 751 114, 752 105, 753 100, 754 101, 755 95, 756 119, 757 105, 758 100, 759 116, 760 104, 761 0, 762 8, 763 130, 764 119, 765 97, 766 76, 767 51, 768 41, 769 34, 770 21, 771 8, 772 1, 773 8, 774 64, 775 1, 776 1, 777 1, 778 1, 779 0, 780 1, 781 1, 782 4, 783 4, 784 4, 785 4, 786 4, 787 4, 788 4, 789 4, 790 16, 791 36, 792 1 793 ]; 794 var flx = Reference.fromBuffer(b(data)); 795 expect(flx.json, 796 '{"channels_in":64,"dilation_height_factor":1,"dilation_width_factor":1,"fused_activation_function":1,"pad_values":1,"padding":0,"stride_height":1,"stride_width":1}'); 797 const object = { 798 "channels_in": 64, 799 "dilation_height_factor": 1, 800 "dilation_width_factor": 1, 801 "fused_activation_function": 1, 802 "pad_values": 1, 803 "padding": 0, 804 "stride_height": 1, 805 "stride_width": 1 806 }; 807 var data1 = Builder.buildFromObject(object).asUint8List(); 808 expect(data1.length, data.length); 809 var flx1 = Reference.fromBuffer(b(data1)); 810 expect(flx1.json, 811 '{"channels_in":64,"dilation_height_factor":1,"dilation_width_factor":1,"fused_activation_function":1,"pad_values":1,"padding":0,"stride_height":1,"stride_width":1}'); 812 }); 813} 814 815ByteBuffer b(List<int> values) { 816 var data = Uint8List.fromList(values); 817 return data.buffer; 818} 819 820void testNumbers(List<int> buffer, List<num> numbers) { 821 var flx = Reference.fromBuffer(b(buffer)); 822 expect(flx.length, numbers.length); 823 for (var i = 0; i < flx.length; i++) { 824 expect(flx[i].numValue, closeTo(numbers[i], 0.001)); 825 } 826} 827 828void testStrings(List<int> buffer, List<String> numbers) { 829 var flx = Reference.fromBuffer(b(buffer)); 830 expect(flx.length, numbers.length); 831 for (var i = 0; i < flx.length; i++) { 832 expect(flx[i].stringValue, numbers[i]); 833 } 834} 835 836Reference complexMap() { 837// { 838// "age": 35, 839// "flags": [True, False, True, True], 840// "weight": 72.5, 841// "name": "Maxim", 842// "address": { 843// "city": "Bla", 844// "zip": "12345", 845// "countryCode": "XX", 846// } 847// } 848 return Reference.fromBuffer(b([ 849 97, 850 100, 851 100, 852 114, 853 101, 854 115, 855 115, 856 0, 857 99, 858 105, 859 116, 860 121, 861 0, 862 3, 863 66, 864 108, 865 97, 866 0, 867 99, 868 111, 869 117, 870 110, 871 116, 872 114, 873 121, 874 67, 875 111, 876 100, 877 101, 878 0, 879 2, 880 88, 881 88, 882 0, 883 122, 884 105, 885 112, 886 0, 887 5, 888 49, 889 50, 890 51, 891 52, 892 53, 893 0, 894 3, 895 38, 896 29, 897 14, 898 3, 899 1, 900 3, 901 38, 902 22, 903 15, 904 20, 905 20, 906 20, 907 97, 908 103, 909 101, 910 0, 911 102, 912 108, 913 97, 914 103, 915 115, 916 0, 917 4, 918 1, 919 0, 920 1, 921 1, 922 110, 923 97, 924 109, 925 101, 926 0, 927 5, 928 77, 929 97, 930 120, 931 105, 932 109, 933 0, 934 119, 935 101, 936 105, 937 103, 938 104, 939 116, 940 0, 941 5, 942 93, 943 36, 944 33, 945 23, 946 12, 947 0, 948 0, 949 7, 950 0, 951 0, 952 0, 953 1, 954 0, 955 0, 956 0, 957 5, 958 0, 959 0, 960 0, 961 60, 962 0, 963 0, 964 0, 965 35, 966 0, 967 0, 968 0, 969 51, 970 0, 971 0, 972 0, 973 45, 974 0, 975 0, 976 0, 977 0, 978 0, 979 145, 980 66, 981 36, 982 4, 983 144, 984 20, 985 14, 986 25, 987 38, 988 1 989 ])); 990} 991