| // 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/src/error/codes.dart'; |
| import 'package:analyzer/src/test_utilities/package_mixin.dart'; |
| import 'package:test_reflective_loader/test_reflective_loader.dart'; |
| |
| import '../dart/resolution/driver_resolution.dart'; |
| |
| main() { |
| defineReflectiveSuite(() { |
| defineReflectiveTests(MissingReturnTest); |
| }); |
| } |
| |
| @reflectiveTest |
| class MissingReturnTest extends DriverResolutionTest with PackageMixin { |
| test_async() async { |
| await assertErrorsInCode(r''' |
| import 'dart:async'; |
| Future<int> f() async {} |
| ''', [HintCode.MISSING_RETURN]); |
| } |
| |
| test_factory() async { |
| await assertErrorsInCode(r''' |
| class A { |
| factory A() {} |
| } |
| ''', [HintCode.MISSING_RETURN]); |
| } |
| |
| test_function() async { |
| await assertErrorsInCode(r''' |
| int f() {} |
| ''', [HintCode.MISSING_RETURN]); |
| } |
| |
| test_method() async { |
| await assertErrorsInCode(r''' |
| class A { |
| int m() {} |
| }''', [HintCode.MISSING_RETURN]); |
| } |
| |
| test_method_inferred() async { |
| await assertErrorsInCode(r''' |
| abstract class A { |
| int m(); |
| } |
| class B extends A { |
| m() {} |
| } |
| ''', [HintCode.MISSING_RETURN]); |
| } |
| |
| test_emptyFunctionBody() async { |
| await assertNoErrorsInCode(r''' |
| abstract class A { |
| int m(); |
| }'''); |
| } |
| |
| test_expressionFunctionBody() async { |
| await assertNoErrorsInCode(r''' |
| int f() => 0; |
| '''); |
| } |
| |
| test_async_futureVoid() async { |
| await assertNoErrorsInCode(r''' |
| import 'dart:async'; |
| Future<void> f() async {} |
| '''); |
| } |
| |
| test_async_futureOrVoid() async { |
| await assertNoErrorsInCode(r''' |
| import 'dart:async'; |
| FutureOr<void> f(Future f) async {} |
| '''); |
| } |
| |
| test_noReturnType() async { |
| await assertNoErrorsInCode(r''' |
| f() {} |
| '''); |
| } |
| |
| test_voidReturnType() async { |
| await assertNoErrorsInCode(r''' |
| void f() {} |
| '''); |
| } |
| |
| test_alwaysThrows() async { |
| addMetaPackage(); |
| await assertNoErrorsInCode(r''' |
| import 'package:meta/meta.dart'; |
| |
| @alwaysThrows |
| void a() { |
| throw 'msg'; |
| } |
| |
| int f() { |
| a(); |
| }'''); |
| } |
| } |