// 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:vm_service/vm_service.dart';
import 'package:test/test.dart';
import 'common/test_helper.dart';

int? thing1;
int? thing2;

testeeMain() {
  thing1 = 3;
  thing2 = 4;
}

Future evaluate(VmService service, isolate, target, x, y) async =>
    await service.evaluate(isolate!.id!!, target.id!, 'x + y',
        scope: {'x': x.id!, 'y': y.id!});

final tests = <IsolateTest>[
  (VmService service, IsolateRef isolateRef) async {
    final isolateId = isolateRef.id!;
    final isolate = await service.getIsolate(isolateId);
    final Library lib =
        (await service.getObject(isolateId, isolate.rootLib!.id!)) as Library;

    final Field field1 = (await service.getObject(isolateId,
        lib.variables!.singleWhere((v) => v.name == 'thing1').id!)) as Field;
    final thing1 =
        (await service.getObject(isolateId, field1.staticValue!.id!));

    final Field field2 = (await service.getObject(isolateId,
        lib.variables!.singleWhere((v) => v.name == 'thing2').id!)) as Field;
    final thing2 =
        (await service.getObject(isolateId, field2.staticValue!.id!));

    var result = await evaluate(service, isolate, lib, thing1, thing2);
    expect(result.valueAsString, equals('7'));

    bool didThrow = false;
    try {
      result = await evaluate(service, isolate, lib, lib, lib);
      print(result);
    } catch (e) {
      didThrow = true;
      expect(e.toString(),
          contains("Cannot evaluate against a VM-internal object"));
    }
    expect(didThrow, isTrue);

    didThrow = false;
    try {
      result = await service.evaluate(isolateId, lib.id!, "x + y",
          scope: <String, String>{"not&an&id!entifier": thing1.id!});
      print(result);
    } catch (e) {
      didThrow = true;
      expect(e.toString(), contains("invalid 'scope' parameter"));
    }
    expect(didThrow, isTrue);
  }
];

main([args = const <String>[]]) => runIsolateTests(
      args,
      tests,
      'evaluate_with_scope_test.dart',
      testeeBefore: testeeMain,
    );