pkg/analyzer/test/src/diagnostics/undefined_identifier_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(UndefinedIdentifierTest);
  });
}

@reflectiveTest
class UndefinedIdentifierTest extends DriverResolutionTest {
  test_forElement_inList_insideElement() async {
    await assertNoErrorsInCode('''
f(Object x) {
  return [for(int x in []) x, null];
}
''');
  }

  test_forElement_inList_outsideElement() async {
    await assertErrorsInCode('''
f() {
  return [for (int x in []) null, x];
}
''', [
      error(HintCode.UNUSED_LOCAL_VARIABLE, 25, 1),
      error(StaticWarningCode.UNDEFINED_IDENTIFIER, 40, 1),
    ]);
  }

  test_forStatement_inBody() async {
    await assertNoErrorsInCode('''
f() {
  for (int x in []) {
    x;
  }
}
''');
  }

  test_forStatement_outsideBody() async {
    await assertErrorsInCode('''
f() {
  for (int x in []) {}
  x;
}
''', [
      error(HintCode.UNUSED_LOCAL_VARIABLE, 17, 1),
      error(StaticWarningCode.UNDEFINED_IDENTIFIER, 31, 1),
    ]);
  }
}