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| 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | |
| 2 // for details. All rights reserved. Use of this source code is governed by a | |
| 3 // BSD-style license that can be found in the LICENSE file. | |
| 4 | |
| 5 import 'package:unittest/unittest.dart'; | |
| 6 | |
| 7 import 'package:analyzer_experimental/src/generated/java_core.dart' show CharSeq
uence; | |
| 8 import 'package:analyzer_experimental/src/generated/scanner.dart'; | |
| 9 import 'package:analyzer_experimental/src/services/formatter_impl.dart'; | |
| 10 import 'package:analyzer_experimental/src/services/writer.dart'; | |
| 11 | |
| 12 main() { | |
| 13 | |
| 14 /// Formatter tests | |
| 15 group('formatter', () { | |
| 16 | |
| 17 test('failed parse', () { | |
| 18 var formatter = new CodeFormatter(); | |
| 19 expect(() => formatter.format(CodeKind.COMPILATION_UNIT, '~'), | |
| 20 throwsA(new isInstanceOf<FormatterException>())); | |
| 21 }); | |
| 22 | |
| 23 test('CU (1)', () { | |
| 24 expectCUFormatsTo( | |
| 25 'class A {\n' | |
| 26 ' var z;\n' | |
| 27 ' inc(int x) => ++x;\n' | |
| 28 '}\n', | |
| 29 'class A {\n' | |
| 30 ' var z;\n' | |
| 31 ' inc(int x) => ++x;\n' | |
| 32 '}\n' | |
| 33 ); | |
| 34 }); | |
| 35 | |
| 36 test('CU (2)', () { | |
| 37 expectCUFormatsTo( | |
| 38 'class A { \n' | |
| 39 '}\n', | |
| 40 'class A {\n' | |
| 41 '}\n' | |
| 42 ); | |
| 43 }); | |
| 44 | |
| 45 test('CU (3)', () { | |
| 46 expectCUFormatsTo( | |
| 47 'class A {\n' | |
| 48 ' }', | |
| 49 'class A {\n' | |
| 50 '}\n' | |
| 51 ); | |
| 52 }); | |
| 53 | |
| 54 test('CU (4)', () { | |
| 55 expectCUFormatsTo( | |
| 56 ' class A {\n' | |
| 57 '}\n', | |
| 58 'class A {\n' | |
| 59 '}\n' | |
| 60 ); | |
| 61 }); | |
| 62 | |
| 63 test('CU (5)', () { | |
| 64 expectCUFormatsTo( | |
| 65 'class A { int meaningOfLife() => 42; }', | |
| 66 'class A {\n' | |
| 67 ' int meaningOfLife() => 42;\n' | |
| 68 '}\n' | |
| 69 ); | |
| 70 }); | |
| 71 | |
| 72 test('CU - EOL comments', () { | |
| 73 expectCUFormatsTo( | |
| 74 '//comment one\n\n' | |
| 75 '//comment two\n\n', | |
| 76 '//comment one\n\n' | |
| 77 '//comment two\n\n' | |
| 78 ); | |
| 79 expectCUFormatsTo( | |
| 80 'var x; //x\n', | |
| 81 'var x; //x\n' | |
| 82 ); | |
| 83 expectCUFormatsTo( | |
| 84 'library foo;\n' | |
| 85 '\n' | |
| 86 '//comment one\n' | |
| 87 '\n' | |
| 88 'class C {\n' | |
| 89 '}\n', | |
| 90 'library foo;\n' | |
| 91 '\n' | |
| 92 '//comment one\n' | |
| 93 '\n' | |
| 94 'class C {\n' | |
| 95 '}\n' | |
| 96 ); | |
| 97 expectCUFormatsTo( | |
| 98 'library foo;\n' | |
| 99 '\n' | |
| 100 '//comment one\n' | |
| 101 '\n' | |
| 102 '//comment two\n' | |
| 103 '\n' | |
| 104 'class C {\n' | |
| 105 '}\n', | |
| 106 'library foo;\n' | |
| 107 '\n' | |
| 108 '//comment one\n' | |
| 109 '\n' | |
| 110 '//comment two\n' | |
| 111 '\n' | |
| 112 'class C {\n' | |
| 113 '}\n' | |
| 114 ); | |
| 115 }); | |
| 116 | |
| 117 test('CU - nested functions', () { | |
| 118 expectCUFormatsTo( | |
| 119 'x() {\n' | |
| 120 ' y() {\n' | |
| 121 ' }\n' | |
| 122 '}\n', | |
| 123 'x() {\n' | |
| 124 ' y() {\n' | |
| 125 ' }\n' | |
| 126 '}\n' | |
| 127 ); | |
| 128 }); | |
| 129 | |
| 130 test('CU - top level', () { | |
| 131 expectCUFormatsTo( | |
| 132 '\n\n' | |
| 133 'foo() {\n' | |
| 134 '}\n' | |
| 135 'bar() {\n' | |
| 136 '}\n', | |
| 137 '\n\n' | |
| 138 'foo() {\n' | |
| 139 '}\n' | |
| 140 'bar() {\n' | |
| 141 '}\n' | |
| 142 ); | |
| 143 expectCUFormatsTo( | |
| 144 'const A = 42;\n' | |
| 145 'final foo = 32;\n', | |
| 146 'const A = 42;\n' | |
| 147 'final foo = 32;\n' | |
| 148 ); | |
| 149 }); | |
| 150 | |
| 151 test('CU - imports', () { | |
| 152 expectCUFormatsTo( | |
| 153 'import "dart:io";\n\n' | |
| 154 'import "package:unittest/unittest.dart";\n' | |
| 155 'foo() {\n' | |
| 156 '}\n', | |
| 157 'import "dart:io";\n\n' | |
| 158 'import "package:unittest/unittest.dart";\n' | |
| 159 'foo() {\n' | |
| 160 '}\n' | |
| 161 ); | |
| 162 expectCUFormatsTo( | |
| 163 'library a; class B { }', | |
| 164 'library a;\n' | |
| 165 'class B {\n' | |
| 166 '}\n' | |
| 167 ); | |
| 168 }); | |
| 169 | |
| 170 test('CU - method invocations', () { | |
| 171 expectCUFormatsTo( | |
| 172 'class A {\n' | |
| 173 ' foo() {\n' | |
| 174 ' bar();\n' | |
| 175 ' for (int i = 0; i < 42; i++) {\n' | |
| 176 ' baz();\n' | |
| 177 ' }\n' | |
| 178 ' }\n' | |
| 179 '}\n', | |
| 180 'class A {\n' | |
| 181 ' foo() {\n' | |
| 182 ' bar();\n' | |
| 183 ' for (int i = 0; i < 42; i++) {\n' | |
| 184 ' baz();\n' | |
| 185 ' }\n' | |
| 186 ' }\n' | |
| 187 '}\n' | |
| 188 ); | |
| 189 }); | |
| 190 | |
| 191 test('CU w/class decl comment', () { | |
| 192 expectCUFormatsTo( | |
| 193 'import "foo";\n\n' | |
| 194 '//Killer class\n' | |
| 195 'class A {\n' | |
| 196 '}', | |
| 197 'import "foo";\n\n' | |
| 198 '//Killer class\n' | |
| 199 'class A {\n' | |
| 200 '}\n' | |
| 201 ); | |
| 202 }); | |
| 203 | |
| 204 test('CU (method body)', () { | |
| 205 expectCUFormatsTo( | |
| 206 'class A {\n' | |
| 207 ' foo(path) {\n' | |
| 208 ' var buffer = new StringBuffer();\n' | |
| 209 ' var file = new File(path);\n' | |
| 210 ' return file;\n' | |
| 211 ' }\n' | |
| 212 '}\n', | |
| 213 'class A {\n' | |
| 214 ' foo(path) {\n' | |
| 215 ' var buffer = new StringBuffer();\n' | |
| 216 ' var file = new File(path);\n' | |
| 217 ' return file;\n' | |
| 218 ' }\n' | |
| 219 '}\n' | |
| 220 ); | |
| 221 expectCUFormatsTo( | |
| 222 'class A {\n' | |
| 223 ' foo(files) {\n' | |
| 224 ' for (var file in files) {\n' | |
| 225 ' print(file);\n' | |
| 226 ' }\n' | |
| 227 ' }\n' | |
| 228 '}\n', | |
| 229 'class A {\n' | |
| 230 ' foo(files) {\n' | |
| 231 ' for (var file in files) {\n' | |
| 232 ' print(file);\n' | |
| 233 ' }\n' | |
| 234 ' }\n' | |
| 235 '}\n' | |
| 236 ); | |
| 237 }); | |
| 238 | |
| 239 test('CU (method indent)', () { | |
| 240 expectCUFormatsTo( | |
| 241 'class A {\n' | |
| 242 'void x(){\n' | |
| 243 '}\n' | |
| 244 '}\n', | |
| 245 'class A {\n' | |
| 246 ' void x() {\n' | |
| 247 ' }\n' | |
| 248 '}\n' | |
| 249 ); | |
| 250 }); | |
| 251 | |
| 252 test('CU (method indent - 2)', () { | |
| 253 expectCUFormatsTo( | |
| 254 'class A {\n' | |
| 255 ' static bool x(){\n' | |
| 256 'return true; }\n' | |
| 257 ' }\n', | |
| 258 'class A {\n' | |
| 259 ' static bool x() {\n' | |
| 260 ' return true;\n' | |
| 261 ' }\n' | |
| 262 '}\n' | |
| 263 ); | |
| 264 }); | |
| 265 | |
| 266 test('CU (method indent - 3)', () { | |
| 267 expectCUFormatsTo( | |
| 268 'class A {\n' | |
| 269 ' int x() => 42 + 3 ; \n' | |
| 270 ' }\n', | |
| 271 'class A {\n' | |
| 272 ' int x() => 42 + 3;\n' | |
| 273 '}\n' | |
| 274 ); | |
| 275 }); | |
| 276 | |
| 277 test('CU (method indent - 4)', () { | |
| 278 expectCUFormatsTo( | |
| 279 'class A {\n' | |
| 280 ' int x() { \n' | |
| 281 'if (true) {\n' | |
| 282 'return 42;\n' | |
| 283 '} else {\n' | |
| 284 'return 13;\n }\n' | |
| 285 ' }' | |
| 286 '}\n', | |
| 287 'class A {\n' | |
| 288 ' int x() {\n' | |
| 289 ' if (true) {\n' | |
| 290 ' return 42;\n' | |
| 291 ' } else {\n' | |
| 292 ' return 13;\n' | |
| 293 ' }\n' | |
| 294 ' }\n' | |
| 295 '}\n' | |
| 296 ); | |
| 297 }); | |
| 298 | |
| 299 test('CU (multiple members)', () { | |
| 300 expectCUFormatsTo( | |
| 301 'class A {\n' | |
| 302 '}\n' | |
| 303 'class B {\n' | |
| 304 '}\n', | |
| 305 'class A {\n' | |
| 306 '}\n' | |
| 307 'class B {\n' | |
| 308 '}\n' | |
| 309 ); | |
| 310 }); | |
| 311 | |
| 312 test('CU (multiple members w/blanks)', () { | |
| 313 expectCUFormatsTo( | |
| 314 'class A {\n' | |
| 315 '}\n\n' | |
| 316 'class B {\n\n\n' | |
| 317 ' int b() => 42;\n\n' | |
| 318 ' int c() => b();\n\n' | |
| 319 '}\n', | |
| 320 'class A {\n' | |
| 321 '}\n\n' | |
| 322 'class B {\n\n\n' | |
| 323 ' int b() => 42;\n\n' | |
| 324 ' int c() => b();\n\n' | |
| 325 '}\n' | |
| 326 ); | |
| 327 }); | |
| 328 | |
| 329 test('CU - Block comments', () { | |
| 330 expectCUFormatsTo( | |
| 331 '/** Old school class comment */\n' | |
| 332 'class C {\n' | |
| 333 ' /** Foo! */ int foo() => 42;\n' | |
| 334 '}\n', | |
| 335 '/** Old school class comment */\n' | |
| 336 'class C {\n' | |
| 337 ' /** Foo! */\n' | |
| 338 ' int foo() => 42;\n' | |
| 339 '}\n' | |
| 340 ); | |
| 341 expectCUFormatsTo( | |
| 342 'library foo;\n' | |
| 343 'class C /* is cool */ {\n' | |
| 344 ' /* int */ foo() => 42;\n' | |
| 345 '}\n', | |
| 346 'library foo;\n' | |
| 347 'class C /* is cool */ {\n' | |
| 348 ' /* int */ foo() => 42;\n' | |
| 349 '}\n' | |
| 350 ); | |
| 351 expectCUFormatsTo( | |
| 352 'library foo;\n' | |
| 353 '/* A long\n' | |
| 354 ' * Comment\n' | |
| 355 '*/\n' | |
| 356 'class C /* is cool */ {\n' | |
| 357 ' /* int */ foo() => 42;\n' | |
| 358 '}\n', | |
| 359 'library foo;\n' | |
| 360 '/* A long\n' | |
| 361 ' * Comment\n' | |
| 362 '*/\n' | |
| 363 'class C /* is cool */ {\n' | |
| 364 ' /* int */ foo() => 42;\n' | |
| 365 '}\n' | |
| 366 ); | |
| 367 expectCUFormatsTo( | |
| 368 'library foo;\n' | |
| 369 '/* A long\n' | |
| 370 ' * Comment\n' | |
| 371 '*/\n' | |
| 372 '\n' | |
| 373 '/* And\n' | |
| 374 ' * another...\n' | |
| 375 '*/\n' | |
| 376 '\n' | |
| 377 '// Mixing it up\n' | |
| 378 '\n' | |
| 379 'class C /* is cool */ {\n' | |
| 380 ' /* int */ foo() => 42;\n' | |
| 381 '}\n', | |
| 382 'library foo;\n' | |
| 383 '/* A long\n' | |
| 384 ' * Comment\n' | |
| 385 '*/\n' | |
| 386 '\n' | |
| 387 '/* And\n' | |
| 388 ' * another...\n' | |
| 389 '*/\n' | |
| 390 '\n' | |
| 391 '// Mixing it up\n' | |
| 392 '\n' | |
| 393 'class C /* is cool */ {\n' | |
| 394 ' /* int */ foo() => 42;\n' | |
| 395 '}\n' | |
| 396 ); | |
| 397 expectCUFormatsTo( | |
| 398 '/// Copyright info\n' | |
| 399 '\n' | |
| 400 'library foo;\n' | |
| 401 '/// Class comment\n' | |
| 402 '//TODO: implement\n' | |
| 403 'class C {\n' | |
| 404 '}\n', | |
| 405 '/// Copyright info\n' | |
| 406 '\n' | |
| 407 'library foo;\n' | |
| 408 '/// Class comment\n' | |
| 409 '//TODO: implement\n' | |
| 410 'class C {\n' | |
| 411 '}\n' | |
| 412 ); | |
| 413 }); | |
| 414 | |
| 415 test('CU - mixed comments', () { | |
| 416 expectCUFormatsTo( | |
| 417 'library foo;\n' | |
| 418 '\n' | |
| 419 '\n' | |
| 420 '/* Comment 1 */\n' | |
| 421 '\n' | |
| 422 '// Comment 2\n' | |
| 423 '\n' | |
| 424 '/* Comment 3 */', | |
| 425 'library foo;\n' | |
| 426 '\n' | |
| 427 '\n' | |
| 428 '/* Comment 1 */\n' | |
| 429 '\n' | |
| 430 '// Comment 2\n' | |
| 431 '\n' | |
| 432 '/* Comment 3 */\n' | |
| 433 ); | |
| 434 }); | |
| 435 | |
| 436 test('CU - comments (EOF)', () { | |
| 437 expectCUFormatsTo( | |
| 438 'library foo; //zamm', | |
| 439 'library foo; //zamm\n' //<-- note extra NEWLINE | |
| 440 ); | |
| 441 }); | |
| 442 | |
| 443 test('CU - comments (0)', () { | |
| 444 expectCUFormatsTo( | |
| 445 'library foo; //zamm\n' | |
| 446 '\n' | |
| 447 'class A {\n' | |
| 448 '}\n', | |
| 449 'library foo; //zamm\n' | |
| 450 '\n' | |
| 451 'class A {\n' | |
| 452 '}\n' | |
| 453 ); | |
| 454 }); | |
| 455 | |
| 456 test('CU - comments (1)', () { | |
| 457 expectCUFormatsTo( | |
| 458 '/* foo */ /* bar */\n', | |
| 459 '/* foo */ /* bar */\n' | |
| 460 ); | |
| 461 }); | |
| 462 | |
| 463 test('CU - comments (2)', () { | |
| 464 expectCUFormatsTo( | |
| 465 '/** foo */ /** bar */\n', | |
| 466 '/** foo */\n' | |
| 467 '/** bar */\n' | |
| 468 ); | |
| 469 }); | |
| 470 | |
| 471 test('CU - comments (3)', () { | |
| 472 expectCUFormatsTo( | |
| 473 'var x; //x\n', | |
| 474 'var x; //x\n' | |
| 475 ); | |
| 476 }); | |
| 477 | |
| 478 test('CU - comments (4)', () { | |
| 479 expectCUFormatsTo( | |
| 480 'class X { //X!\n' | |
| 481 '}', | |
| 482 'class X { //X!\n' | |
| 483 '}\n' | |
| 484 ); | |
| 485 }); | |
| 486 | |
| 487 test('CU - comments (5)', () { | |
| 488 expectCUFormatsTo( | |
| 489 '//comment one\n\n' | |
| 490 '//comment two\n\n', | |
| 491 '//comment one\n\n' | |
| 492 '//comment two\n\n' | |
| 493 ); | |
| 494 }); | |
| 495 | |
| 496 test('CU - comments (6)', () { | |
| 497 expectCUFormatsTo( | |
| 498 'var x; //x\n', | |
| 499 'var x; //x\n' | |
| 500 ); | |
| 501 }); | |
| 502 | |
| 503 test('CU - comments (6)', () { | |
| 504 expectCUFormatsTo( | |
| 505 'var /* int */ x; //x\n', | |
| 506 'var /* int */ x; //x\n' | |
| 507 ); | |
| 508 }); | |
| 509 | |
| 510 test('CU - comments (7)', () { | |
| 511 expectCUFormatsTo( | |
| 512 'library foo;\n' | |
| 513 '\n' | |
| 514 '/// Docs\n' | |
| 515 '/// spanning\n' | |
| 516 '/// lines.\n' | |
| 517 'class A {\n' | |
| 518 '}\n' | |
| 519 '\n' | |
| 520 '/// ... and\n' | |
| 521 '\n' | |
| 522 '/// Dangling ones too\n' | |
| 523 'int x;\n', | |
| 524 'library foo;\n' | |
| 525 '\n' | |
| 526 '/// Docs\n' | |
| 527 '/// spanning\n' | |
| 528 '/// lines.\n' | |
| 529 'class A {\n' | |
| 530 '}\n' | |
| 531 '\n' | |
| 532 '/// ... and\n' | |
| 533 '\n' | |
| 534 '/// Dangling ones too\n' | |
| 535 'int x;\n' | |
| 536 ); | |
| 537 }); | |
| 538 | |
| 539 test('CU - EOF nl', () { | |
| 540 expectCUFormatsTo( | |
| 541 'var x = 1;', | |
| 542 'var x = 1;\n' | |
| 543 ); | |
| 544 }); | |
| 545 | |
| 546 test('CU - constructor', () { | |
| 547 expectCUFormatsTo( | |
| 548 'class A {\n' | |
| 549 ' const _a;\n' | |
| 550 ' A();\n' | |
| 551 ' int a() => _a;\n' | |
| 552 '}\n', | |
| 553 'class A {\n' | |
| 554 ' const _a;\n' | |
| 555 ' A();\n' | |
| 556 ' int a() => _a;\n' | |
| 557 '}\n' | |
| 558 ); | |
| 559 }); | |
| 560 | |
| 561 test('CU - method decl w/ named params', () { | |
| 562 expectCUFormatsTo( | |
| 563 'class A {\n' | |
| 564 ' int a(var x, {optional: null}) => null;\n' | |
| 565 '}\n', | |
| 566 'class A {\n' | |
| 567 ' int a(var x, {optional: null}) => null;\n' | |
| 568 '}\n' | |
| 569 ); | |
| 570 }); | |
| 571 | |
| 572 test('CU - method decl w/ optional params', () { | |
| 573 expectCUFormatsTo( | |
| 574 'class A {\n' | |
| 575 ' int a(var x, [optional = null]) => null;\n' | |
| 576 '}\n', | |
| 577 'class A {\n' | |
| 578 ' int a(var x, [optional = null]) => null;\n' | |
| 579 '}\n' | |
| 580 ); | |
| 581 }); | |
| 582 | |
| 583 test('CU - factory constructor redirects', () { | |
| 584 expectCUFormatsTo( | |
| 585 'class A {\n' | |
| 586 ' const factory A() = B;\n' | |
| 587 '}\n', | |
| 588 'class A {\n' | |
| 589 ' const factory A() = B;\n' | |
| 590 '}\n' | |
| 591 ); | |
| 592 }); | |
| 593 | |
| 594 test('CU - constructor initializers', () { | |
| 595 expectCUFormatsTo( | |
| 596 'class A {\n' | |
| 597 ' int _a;\n' | |
| 598 ' A(a) : _a = a;\n' | |
| 599 '}\n', | |
| 600 'class A {\n' | |
| 601 ' int _a;\n' | |
| 602 ' A(a)\n' | |
| 603 ' : _a = a;\n' | |
| 604 '}\n' | |
| 605 ); | |
| 606 }); | |
| 607 | |
| 608 test('CU - constructor auto field inits', () { | |
| 609 expectCUFormatsTo( | |
| 610 'class A {\n' | |
| 611 ' int _a;\n' | |
| 612 ' A(this._a);\n' | |
| 613 '}\n', | |
| 614 'class A {\n' | |
| 615 ' int _a;\n' | |
| 616 ' A(this._a);\n' | |
| 617 '}\n' | |
| 618 ); | |
| 619 }); | |
| 620 | |
| 621 test('CU - parts', () { | |
| 622 expectCUFormatsTo( | |
| 623 'part of foo;', | |
| 624 'part of foo;\n' | |
| 625 ); | |
| 626 }); | |
| 627 | |
| 628 test('CU (cons inits)', () { | |
| 629 expectCUFormatsTo('class X {\n' | |
| 630 ' var x, y;\n' | |
| 631 ' X() : x = 1, y = 2;\n' | |
| 632 '}\n', | |
| 633 'class X {\n' | |
| 634 ' var x, y;\n' | |
| 635 ' X()\n' | |
| 636 ' : x = 1,\n' | |
| 637 ' y = 2;\n' | |
| 638 '}\n' | |
| 639 ); | |
| 640 }); | |
| 641 | |
| 642 test('CU (empty cons bodies)', () { | |
| 643 expectCUFormatsTo( | |
| 644 'class A {\n' | |
| 645 ' A() {\n' | |
| 646 ' }\n' | |
| 647 '}\n', | |
| 648 'class A {\n' | |
| 649 ' A();\n' | |
| 650 '}\n', | |
| 651 transforms: true | |
| 652 ); | |
| 653 expectCUFormatsTo( | |
| 654 'class A {\n' | |
| 655 ' A() {\n' | |
| 656 ' }\n' | |
| 657 '}\n', | |
| 658 'class A {\n' | |
| 659 ' A() {\n' | |
| 660 ' }\n' | |
| 661 '}\n', | |
| 662 transforms: false | |
| 663 ); | |
| 664 }); | |
| 665 | |
| 666 test('stmt', () { | |
| 667 expectStmtFormatsTo( | |
| 668 'if (true){\n' | |
| 669 'if (true){\n' | |
| 670 'if (true){\n' | |
| 671 'return true;\n' | |
| 672 '} else{\n' | |
| 673 'return false;\n' | |
| 674 '}\n' | |
| 675 '}\n' | |
| 676 '}else{\n' | |
| 677 'return false;\n' | |
| 678 '}', | |
| 679 'if (true) {\n' | |
| 680 ' if (true) {\n' | |
| 681 ' if (true) {\n' | |
| 682 ' return true;\n' | |
| 683 ' } else {\n' | |
| 684 ' return false;\n' | |
| 685 ' }\n' | |
| 686 ' }\n' | |
| 687 '} else {\n' | |
| 688 ' return false;\n' | |
| 689 '}' | |
| 690 ); | |
| 691 }); | |
| 692 | |
| 693 test('stmt (switch)', () { | |
| 694 expectStmtFormatsTo( | |
| 695 'switch (fruit) {\n' | |
| 696 'case "apple":\n' | |
| 697 'print("delish");\n' | |
| 698 'break;\n' | |
| 699 'case "fig":\n' | |
| 700 'print("bleh");\n' | |
| 701 'break;\n' | |
| 702 '}', | |
| 703 'switch (fruit) {\n' | |
| 704 ' case "apple":\n' | |
| 705 ' print("delish");\n' | |
| 706 ' break;\n' | |
| 707 ' case "fig":\n' | |
| 708 ' print("bleh");\n' | |
| 709 ' break;\n' | |
| 710 '}' | |
| 711 ); | |
| 712 }); | |
| 713 | |
| 714 test('stmt (cascades)', () { | |
| 715 expectStmtFormatsTo( | |
| 716 '"foo"\n' | |
| 717 '..toString()\n' | |
| 718 '..toString();', | |
| 719 '"foo"\n' | |
| 720 ' ..toString()\n' | |
| 721 ' ..toString();' | |
| 722 ); | |
| 723 }); | |
| 724 | |
| 725 test('stmt (generics)', () { | |
| 726 expectStmtFormatsTo( | |
| 727 'var numbers = <int>[1, 2, (3 + 4)];', | |
| 728 'var numbers = <int>[1, 2, (3 + 4)];' | |
| 729 ); | |
| 730 }); | |
| 731 | |
| 732 test('stmt (lists)', () { | |
| 733 expectStmtFormatsTo( | |
| 734 'var l = [1,2,3,4];', | |
| 735 'var l = [1, 2, 3, 4];' | |
| 736 ); | |
| 737 //Dangling ',' | |
| 738 expectStmtFormatsTo( | |
| 739 'var l = [1,];', | |
| 740 'var l = [1,];' | |
| 741 ); | |
| 742 }); | |
| 743 | |
| 744 test('stmt (maps)', () { | |
| 745 expectStmtFormatsTo( | |
| 746 'var map = const {"foo": "bar", "fuz": null};', | |
| 747 'var map = const {"foo": "bar", "fuz": null};' | |
| 748 ); | |
| 749 | |
| 750 //Dangling ',' | |
| 751 expectStmtFormatsTo( | |
| 752 'var map = {"foo": "bar",};', | |
| 753 'var map = {"foo": "bar",};' | |
| 754 ); | |
| 755 }); | |
| 756 | |
| 757 test('stmt (try/catch)', () { | |
| 758 expectStmtFormatsTo( | |
| 759 'try {\n' | |
| 760 'doSomething();\n' | |
| 761 '} catch (e) {\n' | |
| 762 'print(e);\n' | |
| 763 '}', | |
| 764 'try {\n' | |
| 765 ' doSomething();\n' | |
| 766 '} catch (e) {\n' | |
| 767 ' print(e);\n' | |
| 768 '}' | |
| 769 ); | |
| 770 }); | |
| 771 | |
| 772 test('stmt (binary/ternary ops)', () { | |
| 773 expectStmtFormatsTo( | |
| 774 'var a = 1 + 2 / (3 * -b);', | |
| 775 'var a = 1 + 2 / (3 * -b);' | |
| 776 ); | |
| 777 expectStmtFormatsTo( | |
| 778 'var c = !condition == a > b;', | |
| 779 'var c = !condition == a > b;' | |
| 780 ); | |
| 781 expectStmtFormatsTo( | |
| 782 'var d = condition ? b : object.method(a, b, c);', | |
| 783 'var d = condition ? b : object.method(a, b, c);' | |
| 784 ); | |
| 785 expectStmtFormatsTo( | |
| 786 'var d = obj is! SomeType;', | |
| 787 'var d = obj is! SomeType;' | |
| 788 ); | |
| 789 }); | |
| 790 | |
| 791 test('stmt (for in)', () { | |
| 792 expectStmtFormatsTo( | |
| 793 'for (Foo foo in bar.foos) {\n' | |
| 794 ' print(foo);\n' | |
| 795 '}', | |
| 796 'for (Foo foo in bar.foos) {\n' | |
| 797 ' print(foo);\n' | |
| 798 '}' | |
| 799 ); | |
| 800 expectStmtFormatsTo( | |
| 801 'for (final Foo foo in bar.foos) {\n' | |
| 802 ' print(foo);\n' | |
| 803 '}', | |
| 804 'for (final Foo foo in bar.foos) {\n' | |
| 805 ' print(foo);\n' | |
| 806 '}' | |
| 807 ); | |
| 808 expectStmtFormatsTo( | |
| 809 'for (final foo in bar.foos) {\n' | |
| 810 ' print(foo);\n' | |
| 811 '}', | |
| 812 'for (final foo in bar.foos) {\n' | |
| 813 ' print(foo);\n' | |
| 814 '}' | |
| 815 ); | |
| 816 }); | |
| 817 | |
| 818 test('Statement (if)', () { | |
| 819 expectStmtFormatsTo('if (true) print("true!");', | |
| 820 'if (true) print("true!");'); | |
| 821 expectStmtFormatsTo('if (true) { print("true!"); }', | |
| 822 'if (true) {\n' | |
| 823 ' print("true!");\n' | |
| 824 '}'); | |
| 825 expectStmtFormatsTo('if (true) print("true!"); else print("false!");', | |
| 826 'if (true) {\n' | |
| 827 ' print("true!");\n' | |
| 828 '} else {\n' | |
| 829 ' print("false!");\n' | |
| 830 '}'); | |
| 831 expectStmtFormatsTo('if (true) print("true!"); else print("false!");', | |
| 832 'if (true) print("true!"); else print("false!");', | |
| 833 transforms: false); | |
| 834 }); | |
| 835 | |
| 836 test('initialIndent', () { | |
| 837 var formatter = new CodeFormatter( | |
| 838 new FormatterOptions(initialIndentationLevel: 2)); | |
| 839 var formattedSource = | |
| 840 formatter.format(CodeKind.STATEMENT, 'var x;').source; | |
| 841 expect(formattedSource, startsWith(' ')); | |
| 842 }); | |
| 843 | |
| 844 test('selections', () { | |
| 845 expectSelectedPostFormat('class X {}', '}'); | |
| 846 expectSelectedPostFormat('class X{}', '{'); | |
| 847 expectSelectedPostFormat('class X{int y;}', ';'); | |
| 848 expectSelectedPostFormat('class X{int y;}', '}'); | |
| 849 expectSelectedPostFormat('class X {}', ' {'); | |
| 850 }); | |
| 851 | |
| 852 }); | |
| 853 | |
| 854 | |
| 855 /// Token streams | |
| 856 group('token streams', () { | |
| 857 | |
| 858 test('string tokens', () { | |
| 859 expectTokenizedEqual('class A{}', 'class A{ }'); | |
| 860 expectTokenizedEqual('class A{}', 'class A{\n }\n'); | |
| 861 expectTokenizedEqual('class A {}', 'class A{ }'); | |
| 862 expectTokenizedEqual(' class A {}', 'class A{ }'); | |
| 863 }); | |
| 864 | |
| 865 test('string tokens - w/ comments', () { | |
| 866 expectTokenizedEqual('//foo\nint bar;', '//foo\nint bar;'); | |
| 867 expectTokenizedNotEqual('int bar;', '//foo\nint bar;'); | |
| 868 expectTokenizedNotEqual('//foo\nint bar;', 'int bar;'); | |
| 869 }); | |
| 870 | |
| 871 test('INDEX', () { | |
| 872 /// '[' ']' => '[]' | |
| 873 var t1 = openSqBracket()..setNext(closeSqBracket()..setNext(eof())); | |
| 874 var t2 = index()..setNext(eof()); | |
| 875 expectStreamsEqual(t1, t2); | |
| 876 }); | |
| 877 | |
| 878 test('GT_GT', () { | |
| 879 /// '>' '>' => '>>' | |
| 880 var t1 = gt()..setNext(gt()..setNext(eof())); | |
| 881 var t2 = gt_gt()..setNext(eof()); | |
| 882 expectStreamsEqual(t1, t2); | |
| 883 }); | |
| 884 | |
| 885 test('t1 < t2', () { | |
| 886 var t1 = string('foo')..setNext(eof()); | |
| 887 var t2 = string('foo')..setNext(string('bar')..setNext(eof())); | |
| 888 expectStreamsNotEqual(t1, t2); | |
| 889 }); | |
| 890 | |
| 891 test('t1 > t2', () { | |
| 892 var t1 = string('foo')..setNext(string('bar')..setNext(eof())); | |
| 893 var t2 = string('foo')..setNext(eof()); | |
| 894 expectStreamsNotEqual(t1, t2); | |
| 895 }); | |
| 896 | |
| 897 }); | |
| 898 | |
| 899 | |
| 900 /// Line tests | |
| 901 group('line', () { | |
| 902 | |
| 903 test('space', () { | |
| 904 var line = new Line(indent: 0); | |
| 905 line.addSpaces(2); | |
| 906 expect(line.toString(), equals(' ')); | |
| 907 }); | |
| 908 | |
| 909 test('initial indent', () { | |
| 910 var line = new Line(indent: 2); | |
| 911 expect(line.toString(), equals(' ')); | |
| 912 }); | |
| 913 | |
| 914 test('initial indent (tabbed)', () { | |
| 915 var line = new Line(indent:1, useTabs: true); | |
| 916 expect(line.toString(), equals('\t')); | |
| 917 }); | |
| 918 | |
| 919 test('addToken', () { | |
| 920 var line = new Line(); | |
| 921 line.addToken(new LineToken('foo')); | |
| 922 expect(line.toString(), equals('foo')); | |
| 923 }); | |
| 924 | |
| 925 test('addToken (2)', () { | |
| 926 var line = new Line(indent: 1); | |
| 927 line.addToken(new LineToken('foo')); | |
| 928 expect(line.toString(), equals(' foo')); | |
| 929 }); | |
| 930 | |
| 931 test('isWhitespace', () { | |
| 932 var line = new Line(indent: 1); | |
| 933 expect(line.isWhitespace(), isTrue); | |
| 934 }); | |
| 935 | |
| 936 }); | |
| 937 | |
| 938 | |
| 939 /// Writer tests | |
| 940 group('writer', () { | |
| 941 | |
| 942 test('basic print', () { | |
| 943 var writer = new SourceWriter(); | |
| 944 writer.print('foo'); | |
| 945 writer.print(' '); | |
| 946 writer.print('bar'); | |
| 947 expect(writer.toString(), equals('foo bar')); | |
| 948 }); | |
| 949 | |
| 950 test('newline', () { | |
| 951 var writer = new SourceWriter(); | |
| 952 writer.print('foo'); | |
| 953 writer.newline(); | |
| 954 expect(writer.toString(), equals('foo\n')); | |
| 955 }); | |
| 956 | |
| 957 test('newline trims whitespace', () { | |
| 958 var writer = new SourceWriter(indentCount:2); | |
| 959 writer.newline(); | |
| 960 expect(writer.toString(), equals('\n')); | |
| 961 }); | |
| 962 | |
| 963 test('basic print (with indents)', () { | |
| 964 var writer = new SourceWriter(); | |
| 965 writer.print('foo'); | |
| 966 writer.indent(); | |
| 967 writer.newline(); | |
| 968 writer.print('bar'); | |
| 969 writer.unindent(); | |
| 970 writer.newline(); | |
| 971 writer.print('baz'); | |
| 972 expect(writer.toString(), equals('foo\n bar\nbaz')); | |
| 973 }); | |
| 974 | |
| 975 }); | |
| 976 | |
| 977 | |
| 978 /// Helper method tests | |
| 979 group('helpers', () { | |
| 980 | |
| 981 test('indentString', () { | |
| 982 expect(getIndentString(0), ''); | |
| 983 expect(getIndentString(1), ' '); | |
| 984 expect(getIndentString(4), ' '); | |
| 985 }); | |
| 986 | |
| 987 test('indentString (tabbed)', () { | |
| 988 expect(getIndentString(0, useTabs: true), ''); | |
| 989 expect(getIndentString(1, useTabs: true), '\t'); | |
| 990 expect(getIndentString(3, useTabs: true), '\t\t\t'); | |
| 991 }); | |
| 992 | |
| 993 test('repeat', () { | |
| 994 expect(repeat('x', 0), ''); | |
| 995 expect(repeat('x', 1), 'x'); | |
| 996 expect(repeat('x', 4), 'xxxx'); | |
| 997 }); | |
| 998 | |
| 999 }); | |
| 1000 | |
| 1001 } | |
| 1002 | |
| 1003 Token closeSqBracket() => new Token(TokenType.CLOSE_SQUARE_BRACKET, 0); | |
| 1004 | |
| 1005 Token eof() => new Token(TokenType.EOF, 0); | |
| 1006 | |
| 1007 Token gt() => new Token(TokenType.GT, 0); | |
| 1008 | |
| 1009 Token gt_gt() => new Token(TokenType.GT_GT, 0); | |
| 1010 | |
| 1011 Token index() => new Token(TokenType.INDEX, 0); | |
| 1012 | |
| 1013 Token openSqBracket() => new BeginToken(TokenType.OPEN_SQUARE_BRACKET, 0); | |
| 1014 | |
| 1015 Token string(String lexeme) => new StringToken(TokenType.STRING, lexeme, 0); | |
| 1016 | |
| 1017 Token classKeyword(int offset) => new KeywordToken(Keyword.CLASS, offset); | |
| 1018 | |
| 1019 Token identifier(String value, int offset) => | |
| 1020 new StringToken(TokenType.IDENTIFIER, value, offset); | |
| 1021 | |
| 1022 Token openParen(int offset) => | |
| 1023 new StringToken(TokenType.OPEN_PAREN, '{', offset); | |
| 1024 | |
| 1025 Token closeParen(int offset) => | |
| 1026 new StringToken(TokenType.CLOSE_PAREN, '}', offset); | |
| 1027 | |
| 1028 Token chain(List<Token> tokens) { | |
| 1029 for (var i = 0; i < tokens.length - 1; ++i) { | |
| 1030 tokens[i].setNext(tokens[i + 1]); | |
| 1031 } | |
| 1032 return tokens[0]; | |
| 1033 } | |
| 1034 | |
| 1035 FormattedSource formatCU(src, {options: const FormatterOptions(), selection}) => | |
| 1036 new CodeFormatter(options).format( | |
| 1037 CodeKind.COMPILATION_UNIT, src, selection: selection); | |
| 1038 | |
| 1039 String formatStatement(src, {options: const FormatterOptions()}) => | |
| 1040 new CodeFormatter(options).format(CodeKind.STATEMENT, src).source; | |
| 1041 | |
| 1042 Token tokenize(String str) { | |
| 1043 var reader = new CharSequenceReader(new CharSequence(str)); | |
| 1044 return new Scanner(null, reader, null).tokenize(); | |
| 1045 } | |
| 1046 | |
| 1047 expectSelectedPostFormat(src, token) { | |
| 1048 var preOffset = src.indexOf(token); | |
| 1049 var length = token.length; | |
| 1050 var formatted = formatCU(src, selection: new Selection(preOffset, length)); | |
| 1051 var postOffset = formatted.selection.offset; | |
| 1052 expect(formatted.source.substring(postOffset, postOffset + length), | |
| 1053 equals(src.substring(preOffset, preOffset + length))); | |
| 1054 } | |
| 1055 | |
| 1056 expectTokenizedEqual(String s1, String s2) => | |
| 1057 expectStreamsEqual(tokenize(s1), tokenize(s2)); | |
| 1058 | |
| 1059 expectTokenizedNotEqual(String s1, String s2) => | |
| 1060 expect(()=> expectStreamsEqual(tokenize(s1), tokenize(s2)), | |
| 1061 throwsA(new isInstanceOf<FormatterException>())); | |
| 1062 | |
| 1063 expectStreamsEqual(Token t1, Token t2) => | |
| 1064 new TokenStreamComparator(null, t1, t2).verifyEquals(); | |
| 1065 | |
| 1066 expectStreamsNotEqual(Token t1, Token t2) => | |
| 1067 expect(() => new TokenStreamComparator(null, t1, t2).verifyEquals(), | |
| 1068 throwsA(new isInstanceOf<FormatterException>())); | |
| 1069 | |
| 1070 expectCUFormatsTo(src, expected, {transforms: true}) => | |
| 1071 expect(formatCU(src, options: new FormatterOptions( | |
| 1072 codeTransforms: transforms)).source, equals(expected)); | |
| 1073 | |
| 1074 expectStmtFormatsTo(src, expected, {transforms: true}) => | |
| 1075 expect(formatStatement(src, options: | |
| 1076 new FormatterOptions(codeTransforms: transforms)), equals(expected)); | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 45573002:
Rename analyzer_experimental to analyzer. (Closed)
Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart