pkg/analyzer/test/src/diagnostics/recursive_constructor_redirect_test.dart

// 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:test_reflective_loader/test_reflective_loader.dart';

import '../dart/resolution/driver_resolution.dart';

main() {
  defineReflectiveSuite(() {
    defineReflectiveTests(RecursiveConstructorRedirectTest);
  });
}

@reflectiveTest
class RecursiveConstructorRedirectTest extends DriverResolutionTest {
  test_directSelfReference() async {
    await assertErrorsInCode(r'''
class A {
  A() : this();
}
''', [
      error(CompileTimeErrorCode.RECURSIVE_CONSTRUCTOR_REDIRECT, 18, 6),
    ]);
  }

  test_recursive() async {
    await assertErrorsInCode(r'''
class A {
  A.a() : this.b();
  A.b() : this.a();
}
''', [
      error(CompileTimeErrorCode.RECURSIVE_CONSTRUCTOR_REDIRECT, 20, 8),
      error(CompileTimeErrorCode.RECURSIVE_CONSTRUCTOR_REDIRECT, 40, 8),
    ]);
  }

  test_valid_redirect() async {
    await assertNoErrorsInCode(r'''
class A {
  A.a() : this.b();
  A.b() : this.c();
  A.c() {}
}
''');
  }
}