pkg/analyzer/test/src/diagnostics/non_bool_negation_expression_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(NonBoolNegationExpressionTest);
    defineReflectiveTests(NonBoolNegationExpressionWithNullSafetyTest);
  });
}

@reflectiveTest
class NonBoolNegationExpressionTest extends PubPackageResolutionTest {
  test_nonBool() async {
    await assertErrorsInCode(r'''
f() {
  !42;
}
''', [
      error(CompileTimeErrorCode.NON_BOOL_NEGATION_EXPRESSION, 9, 2),
    ]);
  }
}

@reflectiveTest
class NonBoolNegationExpressionWithNullSafetyTest
    extends PubPackageResolutionTest with WithNullSafetyMixin {
  test_null() async {
    await assertErrorsInCode(r'''
m() {
  Null x;
  !x;
}
''', [
      error(HintCode.UNUSED_LOCAL_VARIABLE, 13, 1),
      error(CompileTimeErrorCode.NON_BOOL_NEGATION_EXPRESSION, 19, 1),
    ]);
  }
}