Files
sdk/pkg/front_end/test/id_tests/nullability_test.dart
T
Johnni Winther 34fb48bb8a [kernel,front_end] Migrate first wave of pkg/kernel and pkg/front_end
Migrates libraries dependent only on already migrated libraries.

Change-Id: I0e85ee8dbc2afce031b92e0009e71c206a55af28
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/179502
Commit-Queue: Johnni Winther <johnniwinther@google.com>
Reviewed-by: Jens Johansen <jensj@google.com>
2021-01-18 15:40:21 +00:00

61 lines
2.1 KiB
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.
// @dart = 2.9
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:_fe_analyzer_shared/src/testing/id_testing.dart';
import 'package:front_end/src/testing/id_testing_helper.dart';
import 'package:kernel/ast.dart' hide Variance;
main(List<String> args) async {
Directory dataDir = new Directory.fromUri(Platform.script.resolve(
'../../../_fe_analyzer_shared/test/flow_analysis/nullability/data'));
await runTests<String>(dataDir,
args: args,
createUriForFileName: createUriForFileName,
onFailure: onFailure,
runTest: runTestFor(
const NullabilityDataComputer(), [cfeNonNullableOnlyConfig]));
}
class NullabilityDataComputer extends DataComputer<String> {
const NullabilityDataComputer();
@override
DataInterpreter<String> get dataValidator => const StringDataInterpreter();
/// Function that computes a data mapping for [member].
///
/// Fills [actualMap] with the data.
void computeMemberData(
TestConfig config,
InternalCompilerResult compilerResult,
Member member,
Map<Id, ActualData<String>> actualMap,
{bool verbose}) {
member.accept(new NullabilityDataExtractor(compilerResult, actualMap));
}
}
class NullabilityDataExtractor extends CfeDataExtractor<String> {
NullabilityDataExtractor(InternalCompilerResult compilerResult,
Map<Id, ActualData<String>> actualMap)
: super(compilerResult, actualMap);
@override
String computeNodeValue(Id id, TreeNode node) {
if (node is VariableGet && node.promotedType != null) {
if (node.variable.type.nullability != Nullability.nonNullable &&
node.promotedType.nullability == Nullability.nonNullable) {
return 'nonNullable';
}
}
return null;
}
}