blob: a7bc0cbb73db38a2bfc6f1c4b4df4b79850b038f [file] [log] [blame]
// 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 'dart:io' show Directory, Platform;
import 'package:_fe_analyzer_shared/src/testing/id.dart' show ActualData, Id;
import 'package:_fe_analyzer_shared/src/testing/id_testing.dart'
show DataInterpreter, runTests;
import 'package:front_end/src/fasta/builder/member_builder.dart';
import 'package:front_end/src/fasta/type_inference/type_inference_engine.dart';
import 'package:front_end/src/testing/id_testing_helper.dart';
import 'package:front_end/src/testing/id_testing_utils.dart';
import 'package:kernel/ast.dart' hide Variance;
Future<void> main(List<String> args) async {
Directory dataDir = new Directory.fromUri(
Platform.script.resolve('../../../_fe_analyzer_shared/test/'
'inference/inferred_variable_types/data'));
await runTests<DartType>(dataDir,
args: args,
createUriForFileName: createUriForFileName,
onFailure: onFailure,
runTest: runTestFor(const InferredVariableTypesDataComputer(),
[cfeNonNullableOnlyConfig]));
}
class InferredVariableTypesDataComputer extends DataComputer<DartType> {
const InferredVariableTypesDataComputer();
@override
DataInterpreter<DartType> get dataValidator =>
const _InferredVariableTypesDataInterpreter();
@override
bool get supportsErrors => true;
/// Function that computes a data mapping for [member].
///
/// Fills [actualMap] with the data.
@override
void computeMemberData(
TestConfig config,
InternalCompilerResult compilerResult,
Member member,
Map<Id, ActualData<DartType>> actualMap,
{bool? verbose}) {
SourceMemberBuilder memberBuilder =
lookupMemberBuilder(compilerResult, member) as SourceMemberBuilder;
member.accept(new InferredTypeArgumentDataExtractor(
compilerResult,
memberBuilder.dataForTesting!.inferenceData.typeInferenceResult,
actualMap));
}
}
class InferredTypeArgumentDataExtractor extends CfeDataExtractor<DartType> {
final TypeInferenceResultForTesting typeInferenceResult;
InferredTypeArgumentDataExtractor(InternalCompilerResult compilerResult,
this.typeInferenceResult, Map<Id, ActualData<DartType>> actualMap)
: super(compilerResult, actualMap);
@override
DartType? computeNodeValue(Id id, TreeNode node) {
if (node is VariableDeclaration || node is LocalFunction) {
return typeInferenceResult.inferredVariableTypes[node];
}
return null;
}
}
class _InferredVariableTypesDataInterpreter
implements DataInterpreter<DartType> {
const _InferredVariableTypesDataInterpreter();
@override
String getText(DartType actualData, [String? indentation]) {
return typeToText(
actualData, TypeRepresentation.analyzerNonNullableByDefault);
}
@override
String? isAsExpected(DartType actualData, String? expectedData) {
if (getText(actualData) == expectedData) {
return null;
} else {
return 'Expected $expectedData, got $actualData';
}
}
@override
bool isEmpty(DartType? actualData) => actualData == null;
}