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| 1 // Copyright (c) 2015, 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 library test.src.task.strong_mode_test; |
| 6 |
| 7 import 'package:analyzer/src/generated/ast.dart'; |
| 8 import 'package:analyzer/src/generated/element.dart'; |
| 9 import 'package:analyzer/src/generated/source.dart'; |
| 10 import 'package:analyzer/src/task/strong_mode.dart'; |
| 11 import 'package:unittest/unittest.dart'; |
| 12 |
| 13 import '../../reflective_tests.dart'; |
| 14 import '../../utils.dart'; |
| 15 import '../context/abstract_context.dart'; |
| 16 |
| 17 main() { |
| 18 initializeTestEnvironment(); |
| 19 runReflectiveTests(InstanceMemberInferrerTest); |
| 20 runReflectiveTests(VariableGathererTest); |
| 21 } |
| 22 |
| 23 @reflectiveTest |
| 24 class InstanceMemberInferrerTest extends AbstractContextTest { |
| 25 InstanceMemberInferrer get createInferrer => |
| 26 new InstanceMemberInferrer(context.typeProvider, |
| 27 typeSystem: context.typeSystem); |
| 28 |
| 29 /** |
| 30 * Add a source with the given [content] and return the result of resolving |
| 31 * the source. |
| 32 */ |
| 33 CompilationUnitElement resolve(String content) { |
| 34 Source source = addSource('/test.dart', content); |
| 35 return context.resolveCompilationUnit2(source, source).element; |
| 36 } |
| 37 |
| 38 void test_creation() { |
| 39 InstanceMemberInferrer inferrer = createInferrer; |
| 40 expect(inferrer, isNotNull); |
| 41 expect(inferrer.typeSystem, isNotNull); |
| 42 } |
| 43 |
| 44 void test_inferCompilationUnit_field_multiple_different() { |
| 45 InstanceMemberInferrer inferrer = createInferrer; |
| 46 String fieldName = 'f'; |
| 47 CompilationUnitElement unit = resolve(''' |
| 48 class A { |
| 49 int $fieldName; |
| 50 } |
| 51 class B { |
| 52 double $fieldName; |
| 53 } |
| 54 class C implements A, B { |
| 55 var $fieldName; |
| 56 } |
| 57 '''); |
| 58 ClassElement classC = unit.getType('C'); |
| 59 FieldElement fieldC = classC.getField(fieldName); |
| 60 PropertyAccessorElement getterC = classC.getGetter(fieldName); |
| 61 expect(fieldC.type.isDynamic, isTrue); |
| 62 expect(getterC.returnType.isDynamic, isTrue); |
| 63 |
| 64 inferrer.inferCompilationUnit(unit); |
| 65 |
| 66 expect(fieldC.type.isDynamic, isTrue); |
| 67 expect(getterC.returnType.isDynamic, isTrue); |
| 68 } |
| 69 |
| 70 void test_inferCompilationUnit_field_multiple_different_generic() { |
| 71 InstanceMemberInferrer inferrer = createInferrer; |
| 72 String fieldName = 'f'; |
| 73 CompilationUnitElement unit = resolve(''' |
| 74 class A<E> { |
| 75 E $fieldName; |
| 76 } |
| 77 class B<E> { |
| 78 E $fieldName; |
| 79 } |
| 80 class C implements A<int>, B<double> { |
| 81 var $fieldName; |
| 82 } |
| 83 '''); |
| 84 ClassElement classC = unit.getType('C'); |
| 85 FieldElement fieldC = classC.getField(fieldName); |
| 86 PropertyAccessorElement getterC = classC.getGetter(fieldName); |
| 87 expect(fieldC.type.isDynamic, isTrue); |
| 88 expect(getterC.returnType.isDynamic, isTrue); |
| 89 |
| 90 inferrer.inferCompilationUnit(unit); |
| 91 |
| 92 expect(fieldC.type.isDynamic, isTrue); |
| 93 expect(getterC.returnType.isDynamic, isTrue); |
| 94 } |
| 95 |
| 96 void test_inferCompilationUnit_field_multiple_dynamic() { |
| 97 InstanceMemberInferrer inferrer = createInferrer; |
| 98 String fieldName = 'f'; |
| 99 CompilationUnitElement unit = resolve(''' |
| 100 class A { |
| 101 int $fieldName; |
| 102 } |
| 103 class B { |
| 104 var $fieldName; |
| 105 } |
| 106 class C implements A, B { |
| 107 var $fieldName; |
| 108 } |
| 109 '''); |
| 110 ClassElement classC = unit.getType('C'); |
| 111 FieldElement fieldC = classC.getField(fieldName); |
| 112 PropertyAccessorElement getterC = classC.getGetter(fieldName); |
| 113 expect(fieldC.type.isDynamic, isTrue); |
| 114 expect(getterC.returnType.isDynamic, isTrue); |
| 115 |
| 116 inferrer.inferCompilationUnit(unit); |
| 117 |
| 118 expect(fieldC.type.isDynamic, isTrue); |
| 119 expect(getterC.returnType.isDynamic, isTrue); |
| 120 } |
| 121 |
| 122 void test_inferCompilationUnit_field_multiple_same() { |
| 123 InstanceMemberInferrer inferrer = createInferrer; |
| 124 String fieldName = 'f'; |
| 125 CompilationUnitElement unit = resolve(''' |
| 126 class A { |
| 127 int $fieldName; |
| 128 } |
| 129 class B { |
| 130 int $fieldName; |
| 131 } |
| 132 class C implements A, B { |
| 133 var $fieldName; |
| 134 } |
| 135 '''); |
| 136 ClassElement classA = unit.getType('A'); |
| 137 FieldElement fieldA = classA.getField(fieldName); |
| 138 DartType expectedType = fieldA.type; |
| 139 ClassElement classC = unit.getType('C'); |
| 140 FieldElement fieldC = classC.getField(fieldName); |
| 141 PropertyAccessorElement getterC = classC.getGetter(fieldName); |
| 142 expect(fieldC.type.isDynamic, isTrue); |
| 143 expect(getterC.returnType.isDynamic, isTrue); |
| 144 |
| 145 inferrer.inferCompilationUnit(unit); |
| 146 |
| 147 expect(fieldC.type, expectedType); |
| 148 expect(getterC.returnType, expectedType); |
| 149 } |
| 150 |
| 151 void test_inferCompilationUnit_field_noOverride() { |
| 152 InstanceMemberInferrer inferrer = createInferrer; |
| 153 String fieldName = 'f'; |
| 154 CompilationUnitElement unit = resolve(''' |
| 155 class A { |
| 156 final $fieldName = 0; |
| 157 } |
| 158 '''); |
| 159 ClassElement classA = unit.getType('A'); |
| 160 FieldElement fieldA = classA.getField(fieldName); |
| 161 PropertyAccessorElement getterA = classA.getGetter(fieldName); |
| 162 expect(fieldA.type.isDynamic, isTrue); |
| 163 expect(getterA.returnType.isDynamic, isTrue); |
| 164 |
| 165 inferrer.inferCompilationUnit(unit); |
| 166 |
| 167 DartType intType = inferrer.typeProvider.intType; |
| 168 expect(fieldA.type, intType); |
| 169 expect(getterA.returnType, intType); |
| 170 } |
| 171 |
| 172 void test_inferCompilationUnit_field_noOverride_bottom() { |
| 173 InstanceMemberInferrer inferrer = createInferrer; |
| 174 String fieldName = 'f'; |
| 175 CompilationUnitElement unit = resolve(''' |
| 176 class A { |
| 177 var $fieldName = null; |
| 178 } |
| 179 '''); |
| 180 ClassElement classA = unit.getType('A'); |
| 181 FieldElement fieldA = classA.getField(fieldName); |
| 182 PropertyAccessorElement getterA = classA.getGetter(fieldName); |
| 183 expect(fieldA.type.isDynamic, isTrue); |
| 184 expect(getterA.returnType.isDynamic, isTrue); |
| 185 |
| 186 inferrer.inferCompilationUnit(unit); |
| 187 |
| 188 expect(fieldA.type.isDynamic, isTrue); |
| 189 expect(getterA.returnType.isDynamic, isTrue); |
| 190 } |
| 191 |
| 192 void test_inferCompilationUnit_field_single_explicitlyDynamic() { |
| 193 InstanceMemberInferrer inferrer = createInferrer; |
| 194 String fieldName = 'f'; |
| 195 CompilationUnitElement unit = resolve(''' |
| 196 class A { |
| 197 dynamic $fieldName; |
| 198 } |
| 199 class B extends A { |
| 200 var $fieldName = 0; |
| 201 } |
| 202 '''); |
| 203 ClassElement classA = unit.getType('A'); |
| 204 FieldElement fieldA = classA.getField(fieldName); |
| 205 PropertyAccessorElement getterA = classA.getGetter(fieldName); |
| 206 ClassElement classB = unit.getType('B'); |
| 207 FieldElement fieldB = classB.getField(fieldName); |
| 208 PropertyAccessorElement getterB = classB.getGetter(fieldName); |
| 209 expect(fieldB.type.isDynamic, isTrue); |
| 210 expect(getterB.returnType.isDynamic, isTrue); |
| 211 |
| 212 inferrer.inferCompilationUnit(unit); |
| 213 |
| 214 expect(fieldB.type, fieldA.type); |
| 215 expect(getterB.returnType, getterA.returnType); |
| 216 } |
| 217 |
| 218 void test_inferCompilationUnit_field_single_final() { |
| 219 InstanceMemberInferrer inferrer = createInferrer; |
| 220 String fieldName = 'f'; |
| 221 CompilationUnitElement unit = resolve(''' |
| 222 class A { |
| 223 final int $fieldName; |
| 224 } |
| 225 class B extends A { |
| 226 final $fieldName; |
| 227 } |
| 228 '''); |
| 229 ClassElement classA = unit.getType('A'); |
| 230 FieldElement fieldA = classA.getField(fieldName); |
| 231 PropertyAccessorElement getterA = classA.getGetter(fieldName); |
| 232 ClassElement classB = unit.getType('B'); |
| 233 FieldElement fieldB = classB.getField(fieldName); |
| 234 PropertyAccessorElement getterB = classB.getGetter(fieldName); |
| 235 expect(fieldB.type.isDynamic, isTrue); |
| 236 expect(getterB.returnType.isDynamic, isTrue); |
| 237 |
| 238 inferrer.inferCompilationUnit(unit); |
| 239 |
| 240 expect(fieldB.type, fieldA.type); |
| 241 expect(getterB.returnType, getterA.returnType); |
| 242 } |
| 243 |
| 244 void test_inferCompilationUnit_field_single_final_narrowType() { |
| 245 InstanceMemberInferrer inferrer = createInferrer; |
| 246 String fieldName = 'f'; |
| 247 CompilationUnitElement unit = resolve(''' |
| 248 class A { |
| 249 final $fieldName; |
| 250 } |
| 251 class B extends A { |
| 252 final $fieldName = 0; |
| 253 } |
| 254 '''); |
| 255 ClassElement classB = unit.getType('B'); |
| 256 FieldElement fieldB = classB.getField(fieldName); |
| 257 PropertyAccessorElement getterB = classB.getGetter(fieldName); |
| 258 expect(fieldB.type.isDynamic, isTrue); |
| 259 expect(getterB.returnType.isDynamic, isTrue); |
| 260 |
| 261 inferrer.inferCompilationUnit(unit); |
| 262 |
| 263 expect(fieldB.type, inferrer.typeProvider.intType); |
| 264 expect(getterB.returnType, fieldB.type); |
| 265 } |
| 266 |
| 267 void test_inferCompilationUnit_field_single_generic() { |
| 268 InstanceMemberInferrer inferrer = createInferrer; |
| 269 String fieldName = 'f'; |
| 270 CompilationUnitElement unit = resolve(''' |
| 271 class A<E> { |
| 272 E $fieldName; |
| 273 } |
| 274 class B<E> extends A<E> { |
| 275 var $fieldName; |
| 276 } |
| 277 '''); |
| 278 ClassElement classB = unit.getType('B'); |
| 279 DartType typeBE = classB.typeParameters[0].type; |
| 280 FieldElement fieldB = classB.getField(fieldName); |
| 281 PropertyAccessorElement getterB = classB.getGetter(fieldName); |
| 282 expect(fieldB.type.isDynamic, isTrue); |
| 283 expect(getterB.returnType.isDynamic, isTrue); |
| 284 |
| 285 inferrer.inferCompilationUnit(unit); |
| 286 |
| 287 expect(fieldB.type, typeBE); |
| 288 expect(getterB.returnType, typeBE); |
| 289 } |
| 290 |
| 291 void test_inferCompilationUnit_field_single_inconsistentAccessors() { |
| 292 InstanceMemberInferrer inferrer = createInferrer; |
| 293 String fieldName = 'f'; |
| 294 CompilationUnitElement unit = resolve(''' |
| 295 class A { |
| 296 int get $fieldName => 0; |
| 297 set $fieldName(String value) {} |
| 298 } |
| 299 class B extends A { |
| 300 var $fieldName; |
| 301 } |
| 302 '''); |
| 303 ClassElement classB = unit.getType('B'); |
| 304 FieldElement fieldB = classB.getField(fieldName); |
| 305 PropertyAccessorElement getterB = classB.getGetter(fieldName); |
| 306 expect(fieldB.type.isDynamic, isTrue); |
| 307 expect(getterB.returnType.isDynamic, isTrue); |
| 308 |
| 309 inferrer.inferCompilationUnit(unit); |
| 310 |
| 311 expect(fieldB.type.isDynamic, isTrue); |
| 312 expect(getterB.returnType.isDynamic, isTrue); |
| 313 } |
| 314 |
| 315 void test_inferCompilationUnit_field_single_noModifiers() { |
| 316 InstanceMemberInferrer inferrer = createInferrer; |
| 317 String fieldName = 'f'; |
| 318 CompilationUnitElement unit = resolve(''' |
| 319 class A { |
| 320 int $fieldName; |
| 321 } |
| 322 class B extends A { |
| 323 var $fieldName; |
| 324 } |
| 325 '''); |
| 326 ClassElement classA = unit.getType('A'); |
| 327 FieldElement fieldA = classA.getField(fieldName); |
| 328 PropertyAccessorElement getterA = classA.getGetter(fieldName); |
| 329 ClassElement classB = unit.getType('B'); |
| 330 FieldElement fieldB = classB.getField(fieldName); |
| 331 PropertyAccessorElement getterB = classB.getGetter(fieldName); |
| 332 expect(fieldB.type.isDynamic, isTrue); |
| 333 expect(getterB.returnType.isDynamic, isTrue); |
| 334 |
| 335 inferrer.inferCompilationUnit(unit); |
| 336 |
| 337 expect(fieldB.type, fieldA.type); |
| 338 expect(getterB.returnType, getterA.returnType); |
| 339 } |
| 340 |
| 341 void test_inferCompilationUnit_getter_multiple_different() { |
| 342 InstanceMemberInferrer inferrer = createInferrer; |
| 343 String getterName = 'g'; |
| 344 CompilationUnitElement unit = resolve(''' |
| 345 class A { |
| 346 int get $getterName => 0; |
| 347 } |
| 348 class B { |
| 349 double get $getterName => 0.0; |
| 350 } |
| 351 class C implements A, B { |
| 352 get $getterName => 0; |
| 353 } |
| 354 '''); |
| 355 ClassElement classC = unit.getType('C'); |
| 356 FieldElement fieldC = classC.getField(getterName); |
| 357 PropertyAccessorElement getterC = classC.getGetter(getterName); |
| 358 expect(fieldC.type.isDynamic, isTrue); |
| 359 expect(getterC.returnType.isDynamic, isTrue); |
| 360 |
| 361 inferrer.inferCompilationUnit(unit); |
| 362 |
| 363 expect(fieldC.type.isDynamic, isTrue); |
| 364 expect(getterC.returnType.isDynamic, isTrue); |
| 365 } |
| 366 |
| 367 void test_inferCompilationUnit_getter_multiple_dynamic() { |
| 368 InstanceMemberInferrer inferrer = createInferrer; |
| 369 String getterName = 'g'; |
| 370 CompilationUnitElement unit = resolve(''' |
| 371 class A { |
| 372 int get $getterName => 0; |
| 373 } |
| 374 class B { |
| 375 get $getterName => 0; |
| 376 } |
| 377 class C implements A, B { |
| 378 get $getterName => 0; |
| 379 } |
| 380 '''); |
| 381 ClassElement classC = unit.getType('C'); |
| 382 FieldElement fieldC = classC.getField(getterName); |
| 383 PropertyAccessorElement getterC = classC.getGetter(getterName); |
| 384 expect(fieldC.type.isDynamic, isTrue); |
| 385 expect(getterC.returnType.isDynamic, isTrue); |
| 386 |
| 387 inferrer.inferCompilationUnit(unit); |
| 388 |
| 389 expect(fieldC.type.isDynamic, isTrue); |
| 390 expect(getterC.returnType.isDynamic, isTrue); |
| 391 } |
| 392 |
| 393 void test_inferCompilationUnit_getter_multiple_same() { |
| 394 InstanceMemberInferrer inferrer = createInferrer; |
| 395 String getterName = 'g'; |
| 396 CompilationUnitElement unit = resolve(''' |
| 397 class A { |
| 398 String get $getterName => ''; |
| 399 } |
| 400 class B { |
| 401 String get $getterName => ''; |
| 402 } |
| 403 class C implements A, B { |
| 404 get $getterName => ''; |
| 405 } |
| 406 '''); |
| 407 ClassElement classA = unit.getType('A'); |
| 408 PropertyAccessorElement getterA = classA.getGetter(getterName); |
| 409 DartType expectedType = getterA.returnType; |
| 410 ClassElement classC = unit.getType('C'); |
| 411 FieldElement fieldC = classC.getField(getterName); |
| 412 PropertyAccessorElement getterC = classC.getGetter(getterName); |
| 413 expect(fieldC.type.isDynamic, isTrue); |
| 414 expect(getterC.returnType.isDynamic, isTrue); |
| 415 |
| 416 inferrer.inferCompilationUnit(unit); |
| 417 |
| 418 expect(fieldC.type, expectedType); |
| 419 expect(getterC.returnType, expectedType); |
| 420 } |
| 421 |
| 422 void test_inferCompilationUnit_getter_single() { |
| 423 InstanceMemberInferrer inferrer = createInferrer; |
| 424 String getterName = 'g'; |
| 425 CompilationUnitElement unit = resolve(''' |
| 426 class A { |
| 427 int get $getterName => 0; |
| 428 } |
| 429 class B extends A { |
| 430 get $getterName => 0; |
| 431 } |
| 432 '''); |
| 433 ClassElement classA = unit.getType('A'); |
| 434 FieldElement fieldA = classA.getField(getterName); |
| 435 PropertyAccessorElement getterA = classA.getGetter(getterName); |
| 436 ClassElement classB = unit.getType('B'); |
| 437 FieldElement fieldB = classB.getField(getterName); |
| 438 PropertyAccessorElement getterB = classB.getGetter(getterName); |
| 439 expect(fieldB.type.isDynamic, isTrue); |
| 440 expect(getterB.returnType.isDynamic, isTrue); |
| 441 |
| 442 inferrer.inferCompilationUnit(unit); |
| 443 |
| 444 expect(fieldB.type, fieldA.type); |
| 445 expect(getterB.returnType, getterA.returnType); |
| 446 } |
| 447 |
| 448 void test_inferCompilationUnit_getter_single_generic() { |
| 449 InstanceMemberInferrer inferrer = createInferrer; |
| 450 String getterName = 'g'; |
| 451 CompilationUnitElement unit = resolve(''' |
| 452 class A<E> { |
| 453 E get $getterName => 0; |
| 454 } |
| 455 class B<E> extends A<E> { |
| 456 get $getterName => 0; |
| 457 } |
| 458 '''); |
| 459 ClassElement classB = unit.getType('B'); |
| 460 DartType typeBE = classB.typeParameters[0].type; |
| 461 FieldElement fieldB = classB.getField(getterName); |
| 462 PropertyAccessorElement getterB = classB.getGetter(getterName); |
| 463 expect(fieldB.type.isDynamic, isTrue); |
| 464 expect(getterB.returnType.isDynamic, isTrue); |
| 465 |
| 466 inferrer.inferCompilationUnit(unit); |
| 467 |
| 468 expect(fieldB.type, typeBE); |
| 469 expect(getterB.returnType, typeBE); |
| 470 } |
| 471 |
| 472 void test_inferCompilationUnit_getter_single_inconsistentAccessors() { |
| 473 InstanceMemberInferrer inferrer = createInferrer; |
| 474 String getterName = 'g'; |
| 475 CompilationUnitElement unit = resolve(''' |
| 476 class A { |
| 477 int get $getterName => 0; |
| 478 set $getterName(String value) {} |
| 479 } |
| 480 class B extends A { |
| 481 var get $getterName => 1; |
| 482 } |
| 483 '''); |
| 484 ClassElement classA = unit.getType('A'); |
| 485 FieldElement fieldA = classA.getField(getterName); |
| 486 PropertyAccessorElement getterA = classA.getGetter(getterName); |
| 487 ClassElement classB = unit.getType('B'); |
| 488 FieldElement fieldB = classB.getField(getterName); |
| 489 PropertyAccessorElement getterB = classB.getGetter(getterName); |
| 490 expect(fieldB.type.isDynamic, isTrue); |
| 491 expect(getterB.returnType.isDynamic, isTrue); |
| 492 |
| 493 inferrer.inferCompilationUnit(unit); |
| 494 |
| 495 // Expected behavior is that the getter is inferred: getters and setters |
| 496 // are treated as independent methods. |
| 497 expect(fieldB.type, fieldA.type); |
| 498 expect(getterB.returnType, getterA.returnType); |
| 499 } |
| 500 |
| 501 void test_inferCompilationUnit_setter_single() { |
| 502 InstanceMemberInferrer inferrer = createInferrer; |
| 503 String setterName = 'g'; |
| 504 CompilationUnitElement unit = resolve(''' |
| 505 class A { |
| 506 set $setterName(int x) {} |
| 507 } |
| 508 class B extends A { |
| 509 set $setterName(x) {} |
| 510 } |
| 511 '''); |
| 512 ClassElement classA = unit.getType('A'); |
| 513 FieldElement fieldA = classA.getField(setterName); |
| 514 PropertyAccessorElement setterA = classA.getSetter(setterName); |
| 515 ClassElement classB = unit.getType('B'); |
| 516 FieldElement fieldB = classB.getField(setterName); |
| 517 PropertyAccessorElement setterB = classB.getSetter(setterName); |
| 518 expect(fieldB.type.isDynamic, isTrue); |
| 519 expect(setterB.parameters[0].type.isDynamic, isTrue); |
| 520 |
| 521 inferrer.inferCompilationUnit(unit); |
| 522 |
| 523 expect(fieldB.type, fieldA.type); |
| 524 expect(setterB.parameters[0].type, setterA.parameters[0].type); |
| 525 } |
| 526 |
| 527 void test_inferCompilationUnit_setter_single_generic() { |
| 528 InstanceMemberInferrer inferrer = createInferrer; |
| 529 String setterName = 'g'; |
| 530 CompilationUnitElement unit = resolve(''' |
| 531 class A<E> { |
| 532 set $setterName(E x) {} |
| 533 } |
| 534 class B<E> extends A<E> { |
| 535 set $setterName(x) {} |
| 536 } |
| 537 '''); |
| 538 ClassElement classB = unit.getType('B'); |
| 539 DartType typeBE = classB.typeParameters[0].type; |
| 540 FieldElement fieldB = classB.getField(setterName); |
| 541 PropertyAccessorElement setterB = classB.getSetter(setterName); |
| 542 expect(fieldB.type.isDynamic, isTrue); |
| 543 expect(setterB.parameters[0].type.isDynamic, isTrue); |
| 544 |
| 545 inferrer.inferCompilationUnit(unit); |
| 546 |
| 547 expect(fieldB.type, typeBE); |
| 548 expect(setterB.parameters[0].type, typeBE); |
| 549 } |
| 550 |
| 551 void test_inferCompilationUnit_setter_single_inconsistentAccessors() { |
| 552 InstanceMemberInferrer inferrer = createInferrer; |
| 553 String getterName = 'g'; |
| 554 CompilationUnitElement unit = resolve(''' |
| 555 class A { |
| 556 int get $getterName => 0; |
| 557 set $getterName(String value) {} |
| 558 } |
| 559 class B extends A { |
| 560 set $getterName(x) {} |
| 561 } |
| 562 '''); |
| 563 ClassElement classA = unit.getType('A'); |
| 564 PropertyAccessorElement setterA = classA.getSetter(getterName); |
| 565 ClassElement classB = unit.getType('B'); |
| 566 FieldElement fieldB = classB.getField(getterName); |
| 567 PropertyAccessorElement setterB = classB.getSetter(getterName); |
| 568 expect(fieldB.type.isDynamic, isTrue); |
| 569 expect(setterB.parameters[0].type.isDynamic, isTrue); |
| 570 |
| 571 inferrer.inferCompilationUnit(unit); |
| 572 |
| 573 // Expected behavior is that the getter is inferred: getters and setters |
| 574 // are treated as independent methods. |
| 575 expect(setterB.parameters[0].type, setterA.parameters[0].type); |
| 576 |
| 577 // Note that B's synthetic field type will be String. This matches what |
| 578 // resolver would do if we explicitly typed the parameter as 'String' |
| 579 expect(fieldB.type, setterB.parameters[0].type); |
| 580 } |
| 581 |
| 582 void test_inferCompilationUnit_invalid_inheritanceCycle() { |
| 583 InstanceMemberInferrer inferrer = createInferrer; |
| 584 CompilationUnitElement unit = resolve(''' |
| 585 class A extends C {} |
| 586 class B extends A {} |
| 587 class C extends B {} |
| 588 '''); |
| 589 inferrer.inferCompilationUnit(unit); |
| 590 } |
| 591 |
| 592 void test_inferCompilationUnit_method_parameter_multiple_different() { |
| 593 InstanceMemberInferrer inferrer = createInferrer; |
| 594 String methodName = 'm'; |
| 595 CompilationUnitElement unit = resolve(''' |
| 596 class A { |
| 597 $methodName(int p) => 0; |
| 598 } |
| 599 class B { |
| 600 $methodName(double p) => 0; |
| 601 } |
| 602 class C implements A, B { |
| 603 $methodName(p) => 0; |
| 604 } |
| 605 '''); |
| 606 ClassElement classC = unit.getType('C'); |
| 607 MethodElement methodC = classC.getMethod(methodName); |
| 608 ParameterElement parameterC = methodC.parameters[0]; |
| 609 expect(parameterC.type.isDynamic, isTrue); |
| 610 |
| 611 inferrer.inferCompilationUnit(unit); |
| 612 |
| 613 expect(parameterC.type.isDynamic, isTrue); |
| 614 } |
| 615 |
| 616 void test_inferCompilationUnit_method_parameter_multiple_named_different() { |
| 617 InstanceMemberInferrer inferrer = createInferrer; |
| 618 String methodName = 'm'; |
| 619 CompilationUnitElement unit = resolve(''' |
| 620 class A { |
| 621 $methodName({int p}) => 0; |
| 622 } |
| 623 class B { |
| 624 $methodName({int q}) => 0; |
| 625 } |
| 626 class C implements A, B { |
| 627 $methodName({p}) => 0; |
| 628 } |
| 629 '''); |
| 630 ClassElement classC = unit.getType('C'); |
| 631 MethodElement methodC = classC.getMethod(methodName); |
| 632 ParameterElement parameterC = methodC.parameters[0]; |
| 633 expect(parameterC.type.isDynamic, isTrue); |
| 634 |
| 635 inferrer.inferCompilationUnit(unit); |
| 636 |
| 637 expect(parameterC.type.isDynamic, isTrue); |
| 638 } |
| 639 |
| 640 void test_inferCompilationUnit_method_parameter_multiple_named_same() { |
| 641 InstanceMemberInferrer inferrer = createInferrer; |
| 642 String methodName = 'm'; |
| 643 CompilationUnitElement unit = resolve(''' |
| 644 class A { |
| 645 $methodName({int p}) => 0; |
| 646 } |
| 647 class B { |
| 648 $methodName({int p}) => 0; |
| 649 } |
| 650 class C implements A, B { |
| 651 $methodName({p}) => 0; |
| 652 } |
| 653 '''); |
| 654 ClassElement classA = unit.getType('A'); |
| 655 MethodElement methodA = classA.getMethod(methodName); |
| 656 ParameterElement parameterA = methodA.parameters[0]; |
| 657 DartType expectedType = parameterA.type; |
| 658 ClassElement classC = unit.getType('C'); |
| 659 MethodElement methodC = classC.getMethod(methodName); |
| 660 ParameterElement parameterC = methodC.parameters[0]; |
| 661 expect(parameterC.type.isDynamic, isTrue); |
| 662 |
| 663 inferrer.inferCompilationUnit(unit); |
| 664 |
| 665 expect(parameterC.type, expectedType); |
| 666 } |
| 667 |
| 668 void test_inferCompilationUnit_method_parameter_multiple_namedAndRequired() { |
| 669 InstanceMemberInferrer inferrer = createInferrer; |
| 670 String methodName = 'm'; |
| 671 CompilationUnitElement unit = resolve(''' |
| 672 class A { |
| 673 $methodName({int p}) => 0; |
| 674 } |
| 675 class B { |
| 676 $methodName(int p) => 0; |
| 677 } |
| 678 class C implements A, B { |
| 679 $methodName(p) => 0; |
| 680 } |
| 681 '''); |
| 682 ClassElement classC = unit.getType('C'); |
| 683 MethodElement methodC = classC.getMethod(methodName); |
| 684 ParameterElement parameterC = methodC.parameters[0]; |
| 685 expect(parameterC.type.isDynamic, isTrue); |
| 686 |
| 687 inferrer.inferCompilationUnit(unit); |
| 688 |
| 689 expect(parameterC.type.isDynamic, isTrue); |
| 690 } |
| 691 |
| 692 void test_inferCompilationUnit_method_parameter_multiple_optionalAndRequired()
{ |
| 693 InstanceMemberInferrer inferrer = createInferrer; |
| 694 String methodName = 'm'; |
| 695 CompilationUnitElement unit = resolve(''' |
| 696 class A { |
| 697 $methodName(int p) => 0; |
| 698 } |
| 699 class B { |
| 700 $methodName([int p]) => 0; |
| 701 } |
| 702 class C implements A, B { |
| 703 $methodName(p) => 0; |
| 704 } |
| 705 '''); |
| 706 ClassElement classA = unit.getType('A'); |
| 707 MethodElement methodA = classA.getMethod(methodName); |
| 708 ParameterElement parameterA = methodA.parameters[0]; |
| 709 DartType expectedType = parameterA.type; |
| 710 ClassElement classC = unit.getType('C'); |
| 711 MethodElement methodC = classC.getMethod(methodName); |
| 712 ParameterElement parameterC = methodC.parameters[0]; |
| 713 expect(parameterC.type.isDynamic, isTrue); |
| 714 |
| 715 inferrer.inferCompilationUnit(unit); |
| 716 |
| 717 expect(parameterC.type, expectedType); |
| 718 } |
| 719 |
| 720 void test_inferCompilationUnit_method_parameter_single_generic() { |
| 721 InstanceMemberInferrer inferrer = createInferrer; |
| 722 String methodName = 'm'; |
| 723 CompilationUnitElement unit = resolve(''' |
| 724 class A<E> { |
| 725 $methodName(E p) => 0; |
| 726 } |
| 727 class C<E> implements A<E> { |
| 728 $methodName(p) => 0; |
| 729 } |
| 730 '''); |
| 731 ClassElement classC = unit.getType('C'); |
| 732 DartType typeCE = classC.typeParameters[0].type; |
| 733 MethodElement methodC = classC.getMethod(methodName); |
| 734 ParameterElement parameterC = methodC.parameters[0]; |
| 735 expect(parameterC.type.isDynamic, isTrue); |
| 736 expect(methodC.type.typeArguments, [typeCE]); |
| 737 |
| 738 inferrer.inferCompilationUnit(unit); |
| 739 |
| 740 expect(parameterC.type, classC.typeParameters[0].type); |
| 741 expect(methodC.type.typeArguments, [typeCE], |
| 742 reason: 'function type should still have type arguments'); |
| 743 } |
| 744 |
| 745 void test_inferCompilationUnit_method_return_multiple_different() { |
| 746 InstanceMemberInferrer inferrer = createInferrer; |
| 747 String methodName = 'm'; |
| 748 CompilationUnitElement unit = resolve(''' |
| 749 class A { |
| 750 int $methodName() => 0; |
| 751 } |
| 752 class B { |
| 753 double $methodName() => 0.0; |
| 754 } |
| 755 class C implements A, B { |
| 756 $methodName() => 0; |
| 757 } |
| 758 '''); |
| 759 ClassElement classC = unit.getType('C'); |
| 760 MethodElement methodC = classC.getMethod(methodName); |
| 761 expect(methodC.returnType.isDynamic, isTrue); |
| 762 |
| 763 inferrer.inferCompilationUnit(unit); |
| 764 |
| 765 expect(methodC.returnType.isDynamic, isTrue); |
| 766 } |
| 767 |
| 768 void test_inferCompilationUnit_method_return_multiple_different_generic() { |
| 769 InstanceMemberInferrer inferrer = createInferrer; |
| 770 String methodName = 'm'; |
| 771 CompilationUnitElement unit = resolve(''' |
| 772 class A<E> { |
| 773 E $methodName() => null; |
| 774 } |
| 775 class B<E> { |
| 776 E $methodName() => null; |
| 777 } |
| 778 class C implements A<int>, B<double> { |
| 779 $methodName() => null; |
| 780 } |
| 781 '''); |
| 782 ClassElement classC = unit.getType('C'); |
| 783 MethodElement methodC = classC.getMethod(methodName); |
| 784 expect(methodC.returnType.isDynamic, isTrue); |
| 785 |
| 786 inferrer.inferCompilationUnit(unit); |
| 787 |
| 788 expect(methodC.returnType.isDynamic, isTrue); |
| 789 } |
| 790 |
| 791 void test_inferCompilationUnit_method_return_multiple_dynamic() { |
| 792 InstanceMemberInferrer inferrer = createInferrer; |
| 793 String methodName = 'm'; |
| 794 CompilationUnitElement unit = resolve(''' |
| 795 class A { |
| 796 int $methodName() => 0; |
| 797 } |
| 798 class B { |
| 799 $methodName() => 0; |
| 800 } |
| 801 class C implements A, B { |
| 802 $methodName() => 0; |
| 803 } |
| 804 '''); |
| 805 ClassElement classC = unit.getType('C'); |
| 806 MethodElement methodC = classC.getMethod(methodName); |
| 807 expect(methodC.returnType.isDynamic, isTrue); |
| 808 |
| 809 inferrer.inferCompilationUnit(unit); |
| 810 |
| 811 expect(methodC.returnType.isDynamic, isTrue); |
| 812 } |
| 813 |
| 814 void test_inferCompilationUnit_method_return_multiple_same_generic() { |
| 815 InstanceMemberInferrer inferrer = createInferrer; |
| 816 String methodName = 'm'; |
| 817 CompilationUnitElement unit = resolve(''' |
| 818 class A<E> { |
| 819 E $methodName() => 0; |
| 820 } |
| 821 class B<E> { |
| 822 E $methodName() => 0; |
| 823 } |
| 824 class C<E> implements A<E>, B<E> { |
| 825 $methodName() => 0; |
| 826 } |
| 827 '''); |
| 828 ClassElement classC = unit.getType('C'); |
| 829 MethodElement methodC = classC.getMethod(methodName); |
| 830 expect(methodC.returnType.isDynamic, isTrue); |
| 831 |
| 832 inferrer.inferCompilationUnit(unit); |
| 833 |
| 834 expect(methodC.returnType, classC.typeParameters[0].type); |
| 835 } |
| 836 |
| 837 void test_inferCompilationUnit_method_return_multiple_same_nonVoid() { |
| 838 InstanceMemberInferrer inferrer = createInferrer; |
| 839 String methodName = 'm'; |
| 840 CompilationUnitElement unit = resolve(''' |
| 841 class A { |
| 842 int $methodName() => 0; |
| 843 } |
| 844 class B { |
| 845 int $methodName() => 0; |
| 846 } |
| 847 class C implements A, B { |
| 848 $methodName() => 0; |
| 849 } |
| 850 '''); |
| 851 ClassElement classA = unit.getType('A'); |
| 852 MethodElement methodA = classA.getMethod(methodName); |
| 853 DartType expectedType = methodA.returnType; |
| 854 ClassElement classC = unit.getType('C'); |
| 855 MethodElement methodC = classC.getMethod(methodName); |
| 856 expect(methodC.returnType.isDynamic, isTrue); |
| 857 |
| 858 inferrer.inferCompilationUnit(unit); |
| 859 |
| 860 expect(methodC.returnType, expectedType); |
| 861 } |
| 862 |
| 863 void test_inferCompilationUnit_method_return_multiple_same_void() { |
| 864 InstanceMemberInferrer inferrer = createInferrer; |
| 865 String methodName = 'm'; |
| 866 CompilationUnitElement unit = resolve(''' |
| 867 class A { |
| 868 void $methodName() {}; |
| 869 } |
| 870 class B { |
| 871 void $methodName() {}; |
| 872 } |
| 873 class C implements A, B { |
| 874 $methodName() {}; |
| 875 } |
| 876 '''); |
| 877 ClassElement classA = unit.getType('A'); |
| 878 MethodElement methodA = classA.getMethod(methodName); |
| 879 DartType expectedType = methodA.returnType; |
| 880 ClassElement classC = unit.getType('C'); |
| 881 MethodElement methodC = classC.getMethod(methodName); |
| 882 expect(methodC.returnType.isDynamic, isTrue); |
| 883 |
| 884 inferrer.inferCompilationUnit(unit); |
| 885 |
| 886 expect(methodC.returnType, expectedType); |
| 887 } |
| 888 |
| 889 void test_inferCompilationUnit_method_return_multiple_void() { |
| 890 InstanceMemberInferrer inferrer = createInferrer; |
| 891 String methodName = 'm'; |
| 892 CompilationUnitElement unit = resolve(''' |
| 893 class A { |
| 894 int $methodName() => 0; |
| 895 } |
| 896 class B { |
| 897 void $methodName() => 0; |
| 898 } |
| 899 class C implements A, B { |
| 900 $methodName() => 0; |
| 901 } |
| 902 '''); |
| 903 ClassElement classC = unit.getType('C'); |
| 904 MethodElement methodC = classC.getMethod(methodName); |
| 905 expect(methodC.returnType.isDynamic, isTrue); |
| 906 |
| 907 inferrer.inferCompilationUnit(unit); |
| 908 |
| 909 expect(methodC.returnType.isDynamic, isTrue); |
| 910 } |
| 911 |
| 912 void test_inferCompilationUnit_method_return_single() { |
| 913 InstanceMemberInferrer inferrer = createInferrer; |
| 914 String methodName = 'm'; |
| 915 CompilationUnitElement unit = resolve(''' |
| 916 class A { |
| 917 int $methodName() => 0; |
| 918 } |
| 919 class B extends A { |
| 920 $methodName() => 0; |
| 921 } |
| 922 '''); |
| 923 ClassElement classA = unit.getType('A'); |
| 924 MethodElement methodA = classA.getMethod(methodName); |
| 925 ClassElement classB = unit.getType('B'); |
| 926 MethodElement methodB = classB.getMethod(methodName); |
| 927 expect(methodB.returnType.isDynamic, isTrue); |
| 928 |
| 929 inferrer.inferCompilationUnit(unit); |
| 930 |
| 931 expect(methodB.returnType, methodA.returnType); |
| 932 } |
| 933 |
| 934 void test_inferCompilationUnit_method_return_single_generic() { |
| 935 InstanceMemberInferrer inferrer = createInferrer; |
| 936 String methodName = 'm'; |
| 937 CompilationUnitElement unit = resolve(''' |
| 938 class A<E> { |
| 939 E $methodName() => 0; |
| 940 } |
| 941 class B<E> extends A<E> { |
| 942 $methodName() => 0; |
| 943 } |
| 944 '''); |
| 945 ClassElement classB = unit.getType('B'); |
| 946 DartType typeBE = classB.typeParameters[0].type; |
| 947 MethodElement methodB = classB.getMethod(methodName); |
| 948 expect(methodB.returnType.isDynamic, isTrue); |
| 949 expect(methodB.type.typeArguments, [typeBE]); |
| 950 |
| 951 inferrer.inferCompilationUnit(unit); |
| 952 |
| 953 expect(methodB.returnType, classB.typeParameters[0].type); |
| 954 expect(methodB.type.typeArguments, [typeBE], |
| 955 reason: 'function type should still have type arguments'); |
| 956 } |
| 957 |
| 958 void test_inferCompilationUnit_fieldFormal() { |
| 959 InstanceMemberInferrer inferrer = createInferrer; |
| 960 String fieldName = 'f'; |
| 961 CompilationUnitElement unit = resolve(''' |
| 962 class A { |
| 963 final $fieldName = 0; |
| 964 A([this.$fieldName = 'hello']); |
| 965 } |
| 966 '''); |
| 967 ClassElement classA = unit.getType('A'); |
| 968 FieldElement fieldA = classA.getField(fieldName); |
| 969 FieldFormalParameterElement paramA = |
| 970 classA.unnamedConstructor.parameters[0]; |
| 971 expect(fieldA.type.isDynamic, isTrue); |
| 972 expect(paramA.type.isDynamic, isTrue); |
| 973 |
| 974 inferrer.inferCompilationUnit(unit); |
| 975 |
| 976 DartType intType = inferrer.typeProvider.intType; |
| 977 expect(fieldA.type, intType); |
| 978 expect(paramA.type, intType); |
| 979 } |
| 980 } |
| 981 |
| 982 @reflectiveTest |
| 983 class VariableGathererTest extends AbstractContextTest { |
| 984 void test_creation_withFilter() { |
| 985 VariableFilter filter = (variable) => true; |
| 986 VariableGatherer gatherer = new VariableGatherer(filter); |
| 987 expect(gatherer, isNotNull); |
| 988 expect(gatherer.filter, filter); |
| 989 } |
| 990 |
| 991 void test_creation_withoutFilter() { |
| 992 VariableGatherer gatherer = new VariableGatherer(); |
| 993 expect(gatherer, isNotNull); |
| 994 expect(gatherer.filter, isNull); |
| 995 } |
| 996 |
| 997 void test_visit_noReferences() { |
| 998 Source source = addSource( |
| 999 '/test.dart', |
| 1000 ''' |
| 1001 library lib; |
| 1002 import 'dart:math'; |
| 1003 int zero = 0; |
| 1004 class C { |
| 1005 void m() => null; |
| 1006 } |
| 1007 typedef void F(); |
| 1008 '''); |
| 1009 CompilationUnit unit = context.resolveCompilationUnit2(source, source); |
| 1010 VariableGatherer gatherer = new VariableGatherer(); |
| 1011 unit.accept(gatherer); |
| 1012 expect(gatherer.results, hasLength(0)); |
| 1013 } |
| 1014 |
| 1015 void test_visit_withFilter() { |
| 1016 VariableFilter filter = (VariableElement variable) => variable.isStatic; |
| 1017 expect(_gather(filter), hasLength(1)); |
| 1018 } |
| 1019 |
| 1020 void test_visit_withoutFilter() { |
| 1021 expect(_gather(), hasLength(4)); |
| 1022 } |
| 1023 |
| 1024 Set<VariableElement> _gather([VariableFilter filter = null]) { |
| 1025 Source source = addSource( |
| 1026 '/test.dart', |
| 1027 ''' |
| 1028 const int zero = 0; |
| 1029 class Counter { |
| 1030 int value = zero; |
| 1031 void inc() { |
| 1032 value++; |
| 1033 } |
| 1034 void dec() { |
| 1035 value = value - 1; |
| 1036 } |
| 1037 void fromZero(f(int index)) { |
| 1038 for (int i = zero; i < value; i++) { |
| 1039 f(i); |
| 1040 } |
| 1041 } |
| 1042 } |
| 1043 '''); |
| 1044 CompilationUnit unit = context.resolveCompilationUnit2(source, source); |
| 1045 VariableGatherer gatherer = new VariableGatherer(filter); |
| 1046 unit.accept(gatherer); |
| 1047 return gatherer.results; |
| 1048 } |
| 1049 } |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1400473008:
Roll Observatory packages and add a roll script (Closed)
Base URL: git@github.com:dart-lang/observatory_pub_packages.git@master