| // 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 'package:analyzer/dart/analysis/features.dart'; |
| import 'package:analyzer/src/dart/analysis/experiments.dart'; |
| import 'package:pub_semver/pub_semver.dart'; |
| import 'package:test/test.dart'; |
| import 'package:test_reflective_loader/test_reflective_loader.dart'; |
| |
| import 'context_collection_resolution.dart'; |
| |
| main() { |
| defineReflectiveSuite(() { |
| defineReflectiveTests(LibraryElementTest_featureSet); |
| defineReflectiveTests(LibraryElementTest_scope); |
| }); |
| } |
| |
| @reflectiveTest |
| class LibraryElementTest_featureSet extends PubPackageResolutionTest { |
| test_language205() async { |
| writeTestPackageConfig( |
| PackageConfigFileBuilder(), |
| languageVersion: '2.5', |
| ); |
| |
| await resolveTestCode(''); |
| |
| _assertLanguageVersion( |
| package: Version.parse('2.5.0'), |
| override: null, |
| ); |
| |
| _assertFeatureSet([ |
| Feature.constant_update_2018, |
| Feature.control_flow_collections, |
| Feature.set_literals, |
| Feature.spread_collections, |
| ]); |
| } |
| |
| test_language208() async { |
| writeTestPackageConfig( |
| PackageConfigFileBuilder(), |
| languageVersion: '2.8', |
| ); |
| |
| await resolveTestCode(''); |
| |
| _assertLanguageVersion( |
| package: Version.parse('2.8.0'), |
| override: null, |
| ); |
| |
| _assertFeatureSet([ |
| Feature.constant_update_2018, |
| Feature.control_flow_collections, |
| Feature.extension_methods, |
| Feature.set_literals, |
| Feature.spread_collections, |
| ]); |
| } |
| |
| test_language208_experimentNonNullable() async { |
| writeTestPackageConfig( |
| PackageConfigFileBuilder(), |
| languageVersion: '2.8', |
| ); |
| |
| writeTestPackageAnalysisOptionsFile( |
| AnalysisOptionsFileConfig(experiments: [ |
| EnableString.non_nullable, |
| ]), |
| ); |
| |
| await resolveTestCode(''); |
| |
| _assertLanguageVersion( |
| package: Version.parse('2.8.0'), |
| override: null, |
| ); |
| |
| _assertFeatureSet([ |
| Feature.constant_update_2018, |
| Feature.control_flow_collections, |
| Feature.extension_methods, |
| Feature.set_literals, |
| Feature.spread_collections, |
| ]); |
| } |
| |
| test_language208_override205() async { |
| writeTestPackageConfig( |
| PackageConfigFileBuilder(), |
| languageVersion: '2.8', |
| ); |
| |
| await resolveTestCode('// @dart = 2.5'); |
| |
| // Valid override, less than the latest supported language version. |
| _assertLanguageVersion( |
| package: Version.parse('2.8.0'), |
| override: Version.parse('2.5.0'), |
| ); |
| |
| _assertFeatureSet([ |
| Feature.constant_update_2018, |
| Feature.control_flow_collections, |
| Feature.set_literals, |
| Feature.spread_collections, |
| ]); |
| } |
| |
| test_language209() async { |
| writeTestPackageConfig( |
| PackageConfigFileBuilder(), |
| languageVersion: '2.9', |
| ); |
| |
| await resolveTestCode(''); |
| |
| _assertLanguageVersion( |
| package: Version.parse('2.9.0'), |
| override: null, |
| ); |
| |
| _assertFeatureSet([ |
| Feature.constant_update_2018, |
| Feature.control_flow_collections, |
| Feature.extension_methods, |
| Feature.set_literals, |
| Feature.spread_collections, |
| ]); |
| } |
| |
| test_language209_experimentNonNullable_override210() async { |
| writeTestPackageConfig( |
| PackageConfigFileBuilder(), |
| languageVersion: '2.9', |
| ); |
| |
| writeTestPackageAnalysisOptionsFile( |
| AnalysisOptionsFileConfig(experiments: [ |
| EnableString.non_nullable, |
| ]), |
| ); |
| |
| await resolveTestCode('// @dart = 2.10'); |
| |
| // Valid override, even if greater than the package language version. |
| _assertLanguageVersion( |
| package: Version.parse('2.9.0'), |
| override: Version.parse('2.10.0'), |
| ); |
| |
| _assertFeatureSet([ |
| Feature.constant_update_2018, |
| Feature.control_flow_collections, |
| Feature.extension_methods, |
| Feature.non_nullable, |
| Feature.set_literals, |
| Feature.spread_collections, |
| ]); |
| } |
| |
| test_language209_override299() async { |
| writeTestPackageConfig( |
| PackageConfigFileBuilder(), |
| languageVersion: '2.9', |
| ); |
| |
| await resolveTestCode('// @dart = 2.99'); |
| |
| // Invalid override: minor is greater than the latest minor. |
| _assertLanguageVersion( |
| package: Version.parse('2.9.0'), |
| override: null, |
| ); |
| |
| _assertFeatureSet([ |
| Feature.constant_update_2018, |
| Feature.control_flow_collections, |
| Feature.extension_methods, |
| Feature.set_literals, |
| Feature.spread_collections, |
| ]); |
| } |
| |
| test_language209_override300() async { |
| writeTestPackageConfig( |
| PackageConfigFileBuilder(), |
| languageVersion: '2.9', |
| ); |
| |
| await resolveTestCode('// @dart = 3.00'); |
| |
| // Invalid override: major is greater than the latest major. |
| _assertLanguageVersion( |
| package: Version.parse('2.9.0'), |
| override: null, |
| ); |
| |
| _assertFeatureSet([ |
| Feature.constant_update_2018, |
| Feature.control_flow_collections, |
| Feature.extension_methods, |
| Feature.set_literals, |
| Feature.spread_collections, |
| ]); |
| } |
| |
| test_language210_experimentNonNullable() async { |
| writeTestPackageConfig( |
| PackageConfigFileBuilder(), |
| languageVersion: '2.10', |
| ); |
| |
| writeTestPackageAnalysisOptionsFile( |
| AnalysisOptionsFileConfig(experiments: [ |
| EnableString.non_nullable, |
| ]), |
| ); |
| |
| await resolveTestCode(''); |
| |
| _assertLanguageVersion( |
| package: Version.parse('2.10.0'), |
| override: null, |
| ); |
| |
| _assertFeatureSet([ |
| Feature.constant_update_2018, |
| Feature.control_flow_collections, |
| Feature.extension_methods, |
| Feature.non_nullable, |
| Feature.set_literals, |
| Feature.spread_collections, |
| ]); |
| } |
| |
| test_language210_experimentNonNullable_override209() async { |
| writeTestPackageConfig( |
| PackageConfigFileBuilder(), |
| languageVersion: '2.10', |
| ); |
| |
| writeTestPackageAnalysisOptionsFile( |
| AnalysisOptionsFileConfig(experiments: [ |
| EnableString.non_nullable, |
| ]), |
| ); |
| |
| await resolveTestCode('// @dart = 2.9'); |
| |
| _assertLanguageVersion( |
| package: Version.parse('2.10.0'), |
| override: Version.parse('2.9.0'), |
| ); |
| |
| _assertFeatureSet([ |
| Feature.constant_update_2018, |
| Feature.control_flow_collections, |
| Feature.extension_methods, |
| Feature.set_literals, |
| Feature.spread_collections, |
| ]); |
| } |
| |
| void _assertFeatureSet(List<Feature> expected) { |
| var featureSet = result.libraryElement.featureSet; |
| |
| var actual = ExperimentStatus.knownFeatures.values |
| .where(featureSet.isEnabled) |
| .toSet(); |
| |
| expect(actual, unorderedEquals(expected)); |
| } |
| |
| void _assertLanguageVersion({ |
| required Version package, |
| required Version? override, |
| }) async { |
| var element = result.libraryElement; |
| expect(element.languageVersion.package, package); |
| expect(element.languageVersion.override, override); |
| } |
| } |
| |
| @reflectiveTest |
| class LibraryElementTest_scope extends PubPackageResolutionTest { |
| test_lookup() async { |
| await assertNoErrorsInCode(r''' |
| int foo = 0; |
| '''); |
| |
| var scope = result.libraryElement.scope; |
| |
| assertElement( |
| scope.lookup('foo').getter, |
| findElement.topGet('foo'), |
| ); |
| assertElement( |
| scope.lookup('foo').setter, |
| findElement.topSet('foo'), |
| ); |
| } |
| |
| test_lookup_implicitCoreImport() async { |
| await assertNoErrorsInCode(''); |
| |
| var scope = result.libraryElement.scope; |
| |
| assertElement( |
| scope.lookup('int').getter, |
| intElement, |
| ); |
| } |
| |
| test_lookup_notFound() async { |
| await assertNoErrorsInCode(''); |
| |
| var scope = result.libraryElement.scope; |
| |
| assertElementNull( |
| scope.lookup('noSuchGetter').getter, |
| ); |
| |
| assertElementNull( |
| scope.lookup('noSuchSetter').setter, |
| ); |
| } |
| |
| test_lookup_prefersLocal() async { |
| await assertNoErrorsInCode(r''' |
| // ignore:unused_import |
| import 'dart:math'; |
| |
| int sin() => 3; |
| '''); |
| |
| var scope = result.libraryElement.scope; |
| |
| assertElement( |
| scope.lookup('sin').getter, |
| findElement.topFunction('sin'), |
| ); |
| |
| assertElement( |
| scope.lookup('cos').getter, |
| findElement.importFind('dart:math').topFunction('cos'), |
| ); |
| } |
| |
| test_lookup_prefix() async { |
| await assertNoErrorsInCode(r''' |
| // ignore:unused_import |
| import 'dart:math' as math; |
| '''); |
| |
| var scope = result.libraryElement.scope; |
| |
| assertElement( |
| scope.lookup('math').getter, |
| findElement.prefix('math'), |
| ); |
| } |
| |
| test_lookup_respectsCombinator_hide() async { |
| await assertNoErrorsInCode(r''' |
| // ignore:unused_import |
| import 'dart:math' hide sin; |
| '''); |
| |
| var scope = result.libraryElement.scope; |
| |
| assertElementNull( |
| scope.lookup('sin').getter, |
| ); |
| |
| var mathFind = findElement.importFind('dart:math'); |
| assertElement( |
| scope.lookup('cos').getter, |
| mathFind.topFunction('cos'), |
| ); |
| assertElement( |
| scope.lookup('tan').getter, |
| mathFind.topFunction('tan'), |
| ); |
| } |
| |
| test_lookup_respectsCombinator_show() async { |
| await assertNoErrorsInCode(r''' |
| // ignore:unused_import |
| import 'dart:math' show sin; |
| '''); |
| |
| var scope = result.libraryElement.scope; |
| |
| assertElement( |
| scope.lookup('sin').getter, |
| findElement.importFind('dart:math').topFunction('sin'), |
| ); |
| |
| assertElementNull( |
| scope.lookup('cos').getter, |
| ); |
| } |
| } |