| // 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:analyzer/src/generated/source.dart'; |
| import 'package:test_reflective_loader/test_reflective_loader.dart'; |
| |
| import '../../generated/resolver_test_case.dart'; |
| |
| main() { |
| defineReflectiveSuite(() { |
| defineReflectiveTests(UnusedImportTest); |
| }); |
| } |
| |
| @reflectiveTest |
| class UnusedImportTest extends ResolverTestCase { |
| @override |
| bool get enableNewAnalysisDriver => true; |
| |
| test_annotationOnDirective() async { |
| Source source = addSource(r''' |
| library L; |
| @A() |
| import 'lib1.dart'; |
| '''); |
| Source source2 = addNamedSource("/lib1.dart", r''' |
| library lib1; |
| class A { |
| const A() {} |
| } |
| '''); |
| await computeAnalysisResult(source); |
| await computeAnalysisResult(source2); |
| assertErrors(source); |
| verify([source, source2]); |
| } |
| |
| test_as() async { |
| Source source = addSource(r''' |
| library L; |
| import 'lib1.dart'; |
| import 'lib1.dart' as one; |
| one.A a; |
| '''); |
| Source source2 = addNamedSource("/lib1.dart", r''' |
| library lib1; |
| class A {} |
| '''); |
| await computeAnalysisResult(source); |
| await computeAnalysisResult(source2); |
| assertErrors(source, [HintCode.UNUSED_IMPORT]); |
| assertNoErrors(source2); |
| verify([source, source2]); |
| } |
| |
| test_as_equalPrefixes_referenced() async { |
| // 18818 |
| Source source = addSource(r''' |
| library L; |
| import 'lib1.dart' as one; |
| import 'lib2.dart' as one; |
| one.A a; |
| one.B b; |
| '''); |
| Source source2 = addNamedSource("/lib1.dart", r''' |
| library lib1; |
| class A {} |
| '''); |
| Source source3 = addNamedSource("/lib2.dart", r''' |
| library lib2; |
| class B {} |
| '''); |
| await computeAnalysisResult(source); |
| await computeAnalysisResult(source2); |
| await computeAnalysisResult(source3); |
| assertErrors(source); |
| assertNoErrors(source2); |
| assertNoErrors(source3); |
| verify([source, source2, source3]); |
| } |
| |
| @failingTest |
| test_as_equalPrefixes_unreferenced() async { |
| // See todo at ImportsVerifier.prefixElementMap. |
| Source source = addSource(r''' |
| library L; |
| import 'lib1.dart' as one; |
| import 'lib2.dart' as one; |
| one.A a; |
| '''); |
| Source source2 = addNamedSource("/lib1.dart", r''' |
| library lib1; |
| class A {} |
| '''); |
| Source source3 = addNamedSource("/lib2.dart", r''' |
| library lib2; |
| class B {} |
| '''); |
| await computeAnalysisResult(source); |
| await computeAnalysisResult(source2); |
| await computeAnalysisResult(source3); |
| assertErrors(source, [HintCode.UNUSED_IMPORT]); |
| assertNoErrors(source2); |
| assertNoErrors(source3); |
| verify([source, source2, source3]); |
| } |
| |
| test_core_library() async { |
| Source source = addSource(r''' |
| library L; |
| import 'dart:core'; |
| '''); |
| await computeAnalysisResult(source); |
| assertNoErrors(source); |
| verify([source]); |
| } |
| |
| test_export() async { |
| Source source = addSource(r''' |
| library L; |
| import 'lib1.dart'; |
| Two two; |
| '''); |
| addNamedSource("/lib1.dart", r''' |
| library lib1; |
| export 'lib2.dart'; |
| class One {} |
| '''); |
| addNamedSource("/lib2.dart", r''' |
| library lib2; |
| class Two {} |
| '''); |
| await computeAnalysisResult(source); |
| assertNoErrors(source); |
| verify([source]); |
| } |
| |
| test_export2() async { |
| Source source = addSource(r''' |
| library L; |
| import 'lib1.dart'; |
| Three three; |
| '''); |
| addNamedSource("/lib1.dart", r''' |
| library lib1; |
| export 'lib2.dart'; |
| class One {} |
| '''); |
| addNamedSource("/lib2.dart", r''' |
| library lib2; |
| export 'lib3.dart'; |
| class Two {} |
| '''); |
| addNamedSource("/lib3.dart", r''' |
| library lib3; |
| class Three {} |
| '''); |
| await computeAnalysisResult(source); |
| assertNoErrors(source); |
| verify([source]); |
| } |
| |
| test_export_infiniteLoop() async { |
| Source source = addSource(r''' |
| library L; |
| import 'lib1.dart'; |
| Two two; |
| '''); |
| addNamedSource("/lib1.dart", r''' |
| library lib1; |
| export 'lib2.dart'; |
| class One {} |
| '''); |
| addNamedSource("/lib2.dart", r''' |
| library lib2; |
| export 'lib3.dart'; |
| class Two {} |
| '''); |
| addNamedSource("/lib3.dart", r''' |
| library lib3; |
| export 'lib2.dart'; |
| class Three {} |
| '''); |
| await computeAnalysisResult(source); |
| assertNoErrors(source); |
| verify([source]); |
| } |
| |
| test_hide() async { |
| Source source = addSource(r''' |
| library L; |
| import 'lib1.dart'; |
| import 'lib1.dart' hide A; |
| A a; |
| '''); |
| Source source2 = addNamedSource("/lib1.dart", r''' |
| library lib1; |
| class A {} |
| '''); |
| await computeAnalysisResult(source); |
| await computeAnalysisResult(source2); |
| assertErrors(source, [HintCode.UNUSED_IMPORT]); |
| assertNoErrors(source2); |
| verify([source, source2]); |
| } |
| |
| test_inComment_libraryDirective() async { |
| Source source = addSource(r''' |
| /// Use [Future] class. |
| library L; |
| import 'dart:async'; |
| '''); |
| await computeAnalysisResult(source); |
| assertNoErrors(source); |
| } |
| |
| test_metadata() async { |
| Source source = addSource(r''' |
| library L; |
| @A(x) |
| import 'lib1.dart'; |
| class A { |
| final int value; |
| const A(this.value); |
| } |
| '''); |
| addNamedSource("/lib1.dart", r''' |
| library lib1; |
| const x = 0; |
| '''); |
| await computeAnalysisResult(source); |
| assertNoErrors(source); |
| verify([source]); |
| } |
| |
| test_prefix_topLevelFunction() async { |
| Source source = addSource(r''' |
| library L; |
| import 'lib1.dart' hide topLevelFunction; |
| import 'lib1.dart' as one show topLevelFunction; |
| class A { |
| static void x() { |
| One o; |
| one.topLevelFunction(); |
| } |
| } |
| '''); |
| addNamedSource("/lib1.dart", r''' |
| library lib1; |
| class One {} |
| topLevelFunction() {} |
| '''); |
| await computeAnalysisResult(source); |
| assertNoErrors(source); |
| verify([source]); |
| } |
| |
| test_prefix_topLevelFunction2() async { |
| Source source = addSource(r''' |
| library L; |
| import 'lib1.dart' hide topLevelFunction; |
| import 'lib1.dart' as one show topLevelFunction; |
| import 'lib1.dart' as two show topLevelFunction; |
| class A { |
| static void x() { |
| One o; |
| one.topLevelFunction(); |
| two.topLevelFunction(); |
| } |
| } |
| '''); |
| addNamedSource("/lib1.dart", r''' |
| library lib1; |
| class One {} |
| topLevelFunction() {} |
| '''); |
| await computeAnalysisResult(source); |
| assertNoErrors(source); |
| verify([source]); |
| } |
| |
| test_show() async { |
| Source source = addSource(r''' |
| library L; |
| import 'lib1.dart' show A; |
| import 'lib1.dart' show B; |
| A a; |
| '''); |
| Source source2 = addNamedSource("/lib1.dart", r''' |
| library lib1; |
| class A {} |
| class B {} |
| '''); |
| await computeAnalysisResult(source); |
| await computeAnalysisResult(source2); |
| assertErrors(source, [HintCode.UNUSED_IMPORT]); |
| assertNoErrors(source2); |
| verify([source, source2]); |
| } |
| |
| test_unusedImport() async { |
| Source source = addSource(r''' |
| library L; |
| import 'lib1.dart'; |
| '''); |
| Source source2 = addNamedSource("/lib1.dart", ''' |
| library lib1; |
| '''); |
| await computeAnalysisResult(source); |
| await computeAnalysisResult(source2); |
| assertErrors(source, [HintCode.UNUSED_IMPORT]); |
| assertNoErrors(source2); |
| verify([source, source2]); |
| } |
| } |