| // Copyright (c) 2020, 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 'dart:io'; |
| |
| import 'package:_fe_analyzer_shared/src/testing/id.dart' show ActualData, Id; |
| import 'package:_fe_analyzer_shared/src/testing/id_testing.dart'; |
| import 'package:analyzer/dart/ast/ast.dart'; |
| import 'package:analyzer/src/dart/analysis/testing_data.dart'; |
| import 'package:analyzer/src/dart/resolver/flow_analysis_visitor.dart'; |
| import 'package:analyzer/src/util/ast_data_extractor.dart'; |
| |
| import '../util/id_testing_helper.dart'; |
| |
| main(List<String> args) async { |
| Directory dataDir = Directory.fromUri( |
| Platform.script.resolve('../../../_fe_analyzer_shared/test/flow_analysis/' |
| 'why_not_promoted/data')); |
| return runTests<String?>(dataDir, |
| args: args, |
| createUriForFileName: createUriForFileName, |
| onFailure: onFailure, |
| runTest: runTestFor( |
| const _WhyNotPromotedDataComputer(), [analyzerDefaultConfig])); |
| } |
| |
| class _WhyNotPromotedDataComputer extends DataComputer<String?> { |
| const _WhyNotPromotedDataComputer(); |
| |
| @override |
| DataInterpreter<String?> get dataValidator => |
| const _WhyNotPromotedDataInterpreter(); |
| |
| @override |
| bool get supportsErrors => true; |
| |
| @override |
| void computeUnitData(TestingData testingData, CompilationUnit unit, |
| Map<Id, ActualData<String?>> actualMap) { |
| var flowResult = |
| testingData.uriToFlowAnalysisData[unit.declaredElement!.source.uri]!; |
| _WhyNotPromotedDataExtractor( |
| unit.declaredElement!.source.uri, actualMap, flowResult) |
| .run(unit); |
| } |
| } |
| |
| class _WhyNotPromotedDataExtractor extends AstDataExtractor<String?> { |
| final FlowAnalysisDataForTesting _flowResult; |
| |
| _WhyNotPromotedDataExtractor(super.uri, super.actualMap, this._flowResult); |
| |
| @override |
| String? computeNodeValue(Id id, AstNode node) { |
| String? nonPromotionReason = _flowResult.nonPromotionReasons[node]; |
| if (nonPromotionReason != null) { |
| return 'notPromoted($nonPromotionReason)'; |
| } |
| return _flowResult.nonPromotionReasonTargets[node]; |
| } |
| } |
| |
| class _WhyNotPromotedDataInterpreter implements DataInterpreter<String?> { |
| const _WhyNotPromotedDataInterpreter(); |
| |
| @override |
| String getText(String? actualData, [String? indentation]) => |
| actualData.toString(); |
| |
| @override |
| String? isAsExpected(String? actualData, String? expectedData) { |
| if (actualData == expectedData) { |
| return null; |
| } else { |
| return 'Expected $expectedData, got $actualData'; |
| } |
| } |
| |
| @override |
| bool isEmpty(String? actualData) => actualData == null; |
| } |