| // 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:test/test.dart'; |
| import 'package:test_reflective_loader/test_reflective_loader.dart'; |
| |
| import 'context_collection_resolution.dart'; |
| |
| main() { |
| defineReflectiveSuite(() { |
| defineReflectiveTests(LocalVariableResolutionTest); |
| }); |
| } |
| |
| @reflectiveTest |
| class LocalVariableResolutionTest extends PubPackageResolutionTest { |
| test_demoteTypeParameterType() async { |
| await assertNoErrorsInCode(''' |
| void f<T>(T a, T b) { |
| if (a is String) { |
| var o = a; |
| o = b; |
| o; // ref |
| } |
| } |
| '''); |
| |
| assertType(findNode.simple('o; // ref'), 'T'); |
| } |
| |
| test_element_block() async { |
| await assertErrorsInCode(r''' |
| void f() { |
| int x = 0; |
| } |
| ''', [ |
| error(HintCode.UNUSED_LOCAL_VARIABLE, 17, 1), |
| ]); |
| |
| var x = findElement.localVar('x'); |
| expect(x.isConst, isFalse); |
| expect(x.isFinal, isFalse); |
| expect(x.isLate, isFalse); |
| expect(x.isStatic, isFalse); |
| } |
| |
| test_element_const() async { |
| await assertErrorsInCode(r''' |
| void f() { |
| const int x = 0; |
| } |
| ''', [ |
| error(HintCode.UNUSED_LOCAL_VARIABLE, 23, 1), |
| ]); |
| |
| var x = findElement.localVar('x'); |
| expect(x.isConst, isTrue); |
| expect(x.isFinal, isFalse); |
| expect(x.isLate, isFalse); |
| expect(x.isStatic, isFalse); |
| } |
| |
| test_element_final() async { |
| await assertErrorsInCode(r''' |
| void f() { |
| final int x = 0; |
| } |
| ''', [ |
| error(HintCode.UNUSED_LOCAL_VARIABLE, 23, 1), |
| ]); |
| |
| var x = findElement.localVar('x'); |
| expect(x.isConst, isFalse); |
| expect(x.isFinal, isTrue); |
| expect(x.isLate, isFalse); |
| expect(x.isStatic, isFalse); |
| } |
| |
| test_element_ifStatement() async { |
| await assertErrorsInCode(r''' |
| void f() { |
| if (1 > 2) |
| int x = 0; |
| } |
| ''', [ |
| error(HintCode.UNUSED_LOCAL_VARIABLE, 32, 1), |
| ]); |
| |
| var x = findElement.localVar('x'); |
| expect(x.isConst, isFalse); |
| expect(x.isFinal, isFalse); |
| expect(x.isLate, isFalse); |
| expect(x.isStatic, isFalse); |
| } |
| |
| test_element_late() async { |
| await assertErrorsInCode(r''' |
| void f() { |
| late int x = 0; |
| } |
| ''', [ |
| error(HintCode.UNUSED_LOCAL_VARIABLE, 22, 1), |
| ]); |
| |
| var x = findElement.localVar('x'); |
| expect(x.isConst, isFalse); |
| expect(x.isFinal, isFalse); |
| expect(x.isLate, isTrue); |
| expect(x.isStatic, isFalse); |
| } |
| |
| test_nonNullifyType() async { |
| newFile('$testPackageLibPath/a.dart', content: r''' |
| // @dart = 2.7 |
| var a = 0; |
| '''); |
| |
| await assertErrorsInCode(''' |
| import 'a.dart'; |
| |
| void f() { |
| var x = a; |
| x; |
| } |
| ''', [ |
| error(HintCode.IMPORT_OF_LEGACY_LIBRARY_INTO_NULL_SAFE, 7, 8), |
| ]); |
| |
| var x = findElement.localVar('x'); |
| assertType(x.type, 'int'); |
| } |
| } |