test/rules/unnecessary_null_checks_test.dart

// Copyright (c) 2021, 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:test_reflective_loader/test_reflective_loader.dart';

import '../rule_test_support.dart';

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

@reflectiveTest
class UnnecessaryNullChecksTest extends LintRuleTest {
  @override
  String get lintRule => 'unnecessary_null_checks';

  test_undefinedFunction() async {
    await assertDiagnostics(r'''
f6(int? p) {
  return B() + p!; // OK
}
''', [
      // No lint
      error(CompileTimeErrorCode.UNDEFINED_FUNCTION, 22, 1),
    ]);
  }
}