VM/private_named_parameters_t02.dart

// Copyright (c) 2025, 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.

/// @assertion We let users use a private name in a named parameter when the
/// parameter also initializes or declares a field. The compiler removes the `_`
/// from the argument name but keeps it for the corresponding field.
///
/// @description Check that private named parameters are allowed in VM
/// expression evaluation.
/// @author sgrekhov22@gmail.com

// SharedOptions=--enable-experiment=primary-constructors,private-named-parameters

import 'dart:developer';

import 'package:vm_service/vm_service.dart';

import '../../../../pkg/vm_service/test/common/service_test_common.dart';
import '../Utils/expect.dart';
import 'private_named_parameters_t02_lib.dart' as testee_lib;

void main([
  args = const <String>[],
]) => IsolateTestHarness('private_named_parameters_t02_lib.dart', args)
    .hasStoppedAtBreakpoint()
    // Test interaction of expression evaluation with private named parameters.
    .addCustomTest((VmService service, IsolateRef isolateRef) async {
      final isolateId = isolateRef.id!;

      InstanceRef response =
          await service.evaluateInFrame(isolateId, 0, 'c1._x') as InstanceRef;
      Expect.equals('one', response.valueAsString);

      response =
          await service.evaluateInFrame(isolateId, 0, 'c2._x') as InstanceRef;
      Expect.equals('two', response.valueAsString);

      response = await service.evaluateInFrame(
        isolateId,
        0,
        'C1(x: "zero")._x',
      ) as InstanceRef;
      Expect.equals('zero', response.valueAsString);

      response = await service.evaluateInFrame(
        isolateId,
        0,
        'C2(x: "0")._x',
      ) as InstanceRef;
      Expect.equals('0', response.valueAsString);
    })
    .run(
      pauseOnExit: true,
      extraArgs: [
        '--enable-experiment=primary-constructors',
        '--enable-experiment=private-named-parameters',
      ],
      testeeMain: testee_lib.main,
    );