| // Copyright (c) 2019, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| import 'package:analyzer/dart/analysis/features.dart'; |
| import 'package:analyzer/src/dart/analysis/experiments.dart'; |
| import 'package:analyzer/src/error/codes.dart'; |
| import 'package:analyzer/src/generated/engine.dart'; |
| import 'package:test_reflective_loader/test_reflective_loader.dart'; |
| |
| import '../dart/resolution/driver_resolution.dart'; |
| |
| main() { |
| defineReflectiveSuite(() { |
| defineReflectiveTests(UnnecessaryNullAwareSpreadTest); |
| }); |
| } |
| |
| @reflectiveTest |
| class UnnecessaryNullAwareSpreadTest extends DriverResolutionTest { |
| @override |
| AnalysisOptionsImpl get analysisOptions => AnalysisOptionsImpl() |
| ..contextFeatures = FeatureSet.fromEnableFlags( |
| [EnableString.non_nullable], |
| ); |
| |
| test_nonNullableSpread_nullableType() async { |
| await assertNoErrorsInCode(''' |
| f(List<int> x) { |
| [...x]; |
| } |
| '''); |
| } |
| |
| test_nullableSpread_legacyType() async { |
| newFile('/test/lib/a.dart', content: r''' |
| // @dart = 2.5 |
| var x = <int>[]; |
| '''); |
| |
| await assertNoErrorsInCode(''' |
| import 'a.dart'; |
| |
| f() { |
| [...?x]; |
| } |
| '''); |
| } |
| |
| test_nullableSpread_nonNullableType() async { |
| await assertErrorsInCode(''' |
| f(List<int> x) { |
| [...?x]; |
| } |
| ''', [ |
| error(StaticWarningCode.UNNECESSARY_NULL_AWARE_SPREAD, 20, 4), |
| ]); |
| } |
| |
| test_nullableSpread_nullableType() async { |
| await assertNoErrorsInCode(''' |
| f(List<int>? x) { |
| [...?x]; |
| } |
| '''); |
| } |
| } |