| // 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/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(InvalidExtensionArgumentCountTest); |
| }); |
| } |
| |
| @reflectiveTest |
| class InvalidExtensionArgumentCountTest extends DriverResolutionTest { |
| @override |
| AnalysisOptionsImpl get analysisOptions => AnalysisOptionsImpl() |
| ..contextFeatures = new FeatureSet.forTesting( |
| sdkVersion: '2.3.0', additionalFeatures: [Feature.extension_methods]); |
| |
| test_many() async { |
| await assertErrorsInCode(''' |
| extension E on String { |
| void m() {} |
| } |
| f() { |
| E('a', 'b', 'c').m(); |
| } |
| ''', [ |
| error(CompileTimeErrorCode.INVALID_EXTENSION_ARGUMENT_COUNT, 49, 15), |
| ]); |
| assertElementTypeDynamic(findNode.extensionOverride('E(').extendedType); |
| } |
| |
| test_one() async { |
| await assertNoErrorsInCode(''' |
| extension E on String { |
| void m() {} |
| } |
| f() { |
| E('a').m(); |
| } |
| '''); |
| } |
| |
| test_zero() async { |
| await assertErrorsInCode(''' |
| extension E on String { |
| void m() {} |
| } |
| f() { |
| E().m(); |
| } |
| ''', [ |
| error(CompileTimeErrorCode.INVALID_EXTENSION_ARGUMENT_COUNT, 49, 2), |
| ]); |
| assertElementTypeDynamic(findNode.extensionOverride('E(').extendedType); |
| } |
| } |