pkg/analyzer/test/src/diagnostics/not_null_aware_null_spread_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(NotNullAwareNullSpreadTest);
  });
}

@reflectiveTest
class NotNullAwareNullSpreadTest extends PubPackageResolutionTest {
  test_listLiteral_notNullAware_nullLiteral() async {
    await assertErrorsInCode('''
var v = [...null];
''', [
      error(CompileTimeErrorCode.INVALID_USE_OF_NULL_VALUE, 12, 4),
      error(CompileTimeErrorCode.NOT_NULL_AWARE_NULL_SPREAD, 12, 4),
    ]);
  }

  test_listLiteral_notNullAware_nullTyped() async {
    await assertErrorsInCode('''
Null a = null;
var v = [...a];
''', [
      error(CompileTimeErrorCode.INVALID_USE_OF_NULL_VALUE, 27, 1),
      error(CompileTimeErrorCode.NOT_NULL_AWARE_NULL_SPREAD, 27, 1),
    ]);
  }

  test_listLiteral_nullAware_nullLiteral() async {
    await assertNoErrorsInCode('''
var v = [...?null];
''');
  }

  test_listLiteral_nullAware_nullTyped() async {
    await assertNoErrorsInCode('''
Null a = null;
var v = [...?a];
''');
  }

  test_mapLiteral_notNullAware_nullLiteral() async {
    await assertErrorsInCode('''
var v = <int, int>{...null};
''', [
      error(CompileTimeErrorCode.INVALID_USE_OF_NULL_VALUE, 22, 4),
      error(CompileTimeErrorCode.NOT_NULL_AWARE_NULL_SPREAD, 22, 4),
    ]);
  }

  test_mapLiteral_notNullAware_nullType() async {
    await assertErrorsInCode('''
Null a = null;
var v = <int, int>{...a};
''', [
      error(CompileTimeErrorCode.INVALID_USE_OF_NULL_VALUE, 37, 1),
      error(CompileTimeErrorCode.NOT_NULL_AWARE_NULL_SPREAD, 37, 1),
    ]);
  }

  test_mapLiteral_nullAware_nullLiteral() async {
    await assertNoErrorsInCode('''
var v = <int, int>{...?null};
''');
  }

  test_mapLiteral_nullAware_nullType() async {
    await assertNoErrorsInCode('''
Null a = null;
var v = <int, int>{...?a};
''');
  }

  test_setLiteral_notNullAware_nullLiteral() async {
    await assertErrorsInCode('''
var v = <int>{...null};
''', [
      error(CompileTimeErrorCode.INVALID_USE_OF_NULL_VALUE, 17, 4),
      error(CompileTimeErrorCode.NOT_NULL_AWARE_NULL_SPREAD, 17, 4),
    ]);
  }

  test_setLiteral_notNullAware_nullTyped() async {
    await assertErrorsInCode('''
Null a = null;
var v = <int>{...a};
''', [
      error(CompileTimeErrorCode.INVALID_USE_OF_NULL_VALUE, 32, 1),
      error(CompileTimeErrorCode.NOT_NULL_AWARE_NULL_SPREAD, 32, 1),
    ]);
  }

  test_setLiteral_nullAware_nullLiteral() async {
    await assertNoErrorsInCode('''
var v = <int>{...?null};
''');
  }

  test_setLiteral_nullAware_nullTyped() async {
    await assertNoErrorsInCode('''
Null a = null;
var v = <int>{...?a};
''');
  }
}