pkg/analyzer/test/src/diagnostics/redirect_to_non_const_constructor_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/context_collection_resolution.dart';

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

@reflectiveTest
class RedirectToNonConstConstructorTest extends PubPackageResolutionTest {
  test_constRedirector_cannotResolveRedirectee() async {
    // No crash when redirectee cannot be resolved.
    await assertErrorsInCode(r'''
class A {
  const factory A.b() = A.a;
}
''', [
      error(CompileTimeErrorCode.REDIRECT_TO_MISSING_CONSTRUCTOR, 34, 3),
    ]);
  }

  test_constRedirector_constRedirectee() async {
    await assertNoErrorsInCode(r'''
class A {
  const A.a();
  const factory A.b() = A.a;
}
''');
  }

  test_constRedirector_constRedirectee_generic() async {
    await assertNoErrorsInCode(r'''
class A<T> {
  const A(T value) : this._(value);
  const A._(T value) : value = value;
  final T value;
}

void main(){
  const A<int>(1);
}
''');
  }

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

  test_constRedirector_nonConstRedirectee() async {
    await assertErrorsInCode(r'''
class A {
  A.a();
  const factory A.b() = A.a;
}
''', [
      error(CompileTimeErrorCode.REDIRECT_TO_NON_CONST_CONSTRUCTOR, 43, 3),
    ]);
  }

  test_constRedirector_nonConstRedirectee_viaInitializer() async {
    await assertErrorsInCode(r'''
class A {
  A.a();
  const A.b() : this.a();
}
''', [
      error(CompileTimeErrorCode.REDIRECT_TO_NON_CONST_CONSTRUCTOR, 40, 1),
    ]);
  }

  test_constRedirector_nonConstRedirectee_viaInitializer_unnamed() async {
    await assertErrorsInCode(r'''
class A {
  A();
  const A.named() : this();
}
''', [
      error(CompileTimeErrorCode.REDIRECT_TO_NON_CONST_CONSTRUCTOR, 37, 4),
    ]);
  }

  test_constRedirector_viaInitializer_cannotResolveRedirectee() async {
    // No crash when redirectee cannot be resolved.
    await assertErrorsInCode(r'''
class A {
  const A.b() : this.a();
}
''', [
      error(CompileTimeErrorCode.REDIRECT_GENERATIVE_TO_MISSING_CONSTRUCTOR, 26,
          8),
    ]);
  }

  test_redirect_to_const() async {
    await assertNoErrorsInCode(r'''
class A {
  const A.a();
  const factory A.b() = A.a;
}
''');
  }
}