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// 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_reflective_loader/test_reflective_loader.dart';
import '../dart/resolution/context_collection_resolution.dart';
main() {
defineReflectiveSuite(() {
defineReflectiveTests(AssignmentToFinalTest);
});
}
@reflectiveTest
class AssignmentToFinalTest extends PubPackageResolutionTest {
test_prefixedIdentifier_instanceField() async {
await assertNoErrorsInCode('''
class A {
var x = 0;
}
void f(A a) {
a.x = 0;
a.x += 0;
++a.x;
a.x++;
}
''');
}
test_prefixedIdentifier_instanceField_abstract() async {
await assertNoErrorsInCode('''
abstract class A {
abstract int x;
}
void f(A a) {
a.x = 0;
a.x += 0;
++a.x;
a.x++;
}
''');
}
test_prefixedIdentifier_instanceField_abstractFinal() async {
await assertErrorsInCode('''
abstract class A {
abstract final int x;
}
void f(A a) {
a.x = 0;
a.x += 0;
++a.x;
a.x++;
}
''', [
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 64, 1),
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 75, 1),
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 89, 1),
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 96, 1),
]);
}
test_prefixedIdentifier_instanceField_external() async {
await assertNoErrorsInCode('''
abstract class A {
external int x;
}
void f(A a) {
a.x = 0;
a.x += 0;
++a.x;
a.x++;
}
''');
}
test_prefixedIdentifier_instanceField_externalFinal() async {
await assertErrorsInCode('''
abstract class A {
external final int x;
}
void f(A a) {
a.x = 0;
a.x += 0;
++a.x;
a.x++;
}
''', [
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 64, 1),
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 75, 1),
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 89, 1),
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 96, 1),
]);
}
test_prefixedIdentifier_instanceField_final() async {
await assertErrorsInCode('''
class A {
final x = 0;
}
void f(A a) {
a.x = 0;
a.x += 0;
++a.x;
a.x++;
}
''', [
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 46, 1),
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 57, 1),
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 71, 1),
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 78, 1),
]);
}
test_prefixedIdentifier_instanceField_lateFinal() async {
await assertNoErrorsInCode('''
abstract class A {
late final int x;
}
void f(A a) {
a.x = 0;
a.x += 0;
++a.x;
a.x++;
}
''');
}
test_prefixedIdentifier_instanceField_lateFinal_hasInitializer() async {
await assertErrorsInCode('''
abstract class A {
late final int x = 0;
}
void f(A a) {
a.x = 0;
a.x += 0;
++a.x;
a.x++;
}
''', [
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 64, 1),
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 75, 1),
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 89, 1),
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 96, 1),
]);
}
test_prefixedIdentifier_staticField_externalFinal() async {
await assertErrorsInCode('''
abstract class A {
external static final int x;
}
void f() {
A.x = 0;
A.x += 0;
++A.x;
A.x++;
}
''', [
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 68, 1),
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 79, 1),
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 93, 1),
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 100, 1),
]);
}
test_prefixedIdentifier_staticField_lateFinal() async {
await assertNoErrorsInCode('''
abstract class A {
static late final int x;
}
void f() {
A.x = 0;
A.x += 0;
++A.x;
A.x++;
}
''');
}
test_prefixedIdentifier_staticField_lateFinal_hasInitializer() async {
await assertErrorsInCode('''
abstract class A {
static late final int x = 0;
}
void f() {
A.x = 0;
A.x += 0;
++A.x;
A.x++;
}
''', [
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 68, 1),
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 79, 1),
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 93, 1),
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 100, 1),
]);
}
test_propertyAccess_instanceField_lateFinal() async {
await assertNoErrorsInCode('''
abstract class A {
late final int x;
}
void f(A a) {
(a).x = 0;
(a).x += 0;
++(a).x;
(a).x++;
}
''');
}
test_propertyAccess_instanceField_lateFinal_hasInitializer() async {
await assertErrorsInCode('''
abstract class A {
late final int x = 0;
}
void f(A a) {
(a).x = 0;
(a).x += 0;
++(a).x;
(a).x++;
}
''', [
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 66, 1),
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 79, 1),
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 95, 1),
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 104, 1),
]);
}
test_simpleIdentifier_inheritedSetter_shadowedBy_topLevelGetter() async {
await assertErrorsInCode('''
class A {
void set foo(int _) {}
}
int get foo => 0;
class B extends A {
void bar() {
foo = 0;
}
}
''', [
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 96, 3),
]);
}
test_simpleIdentifier_instanceField_lateFinal() async {
await assertNoErrorsInCode('''
abstract class A {
late final int x;
void f() {
x = 0;
x += 0;
++x;
x++;
}
}
''');
}
test_simpleIdentifier_instanceField_lateFinal_hasInitializer() async {
await assertErrorsInCode('''
abstract class A {
late final int x = 0;
void f() {
x = 0;
x += 0;
++x;
x++;
}
}
''', [
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 61, 1),
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 72, 1),
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 86, 1),
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 93, 1),
]);
}
test_simpleIdentifier_staticField_lateFinal() async {
await assertNoErrorsInCode('''
abstract class A {
static late final int x;
void f() {
x = 0;
x += 0;
++x;
x++;
}
}
''');
}
test_simpleIdentifier_staticField_lateFinal_hasInitializer() async {
await assertErrorsInCode('''
abstract class A {
static late final int x = 0;
void f() {
x = 0;
x += 0;
++x;
x++;
}
}
''', [
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 68, 1),
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 79, 1),
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 93, 1),
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 100, 1),
]);
}
test_simpleIdentifier_topLevelGetter() async {
await assertErrorsInCode('''
int get x => 0;
void f() {
x = 0;
x += 0;
++x;
x++;
}
''', [
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 30, 1),
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 39, 1),
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 51, 1),
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 56, 1),
]);
}
test_simpleIdentifier_topLevelVariable() async {
await assertNoErrorsInCode('''
var x = 0;
void f() {
x = 0;
x += 0;
++x;
x++;
}
''');
}
test_simpleIdentifier_topLevelVariable_external() async {
await assertNoErrorsInCode('''
external int x;
void f() {
x = 0;
x += 0;
++x;
x++;
}
''');
}
test_simpleIdentifier_topLevelVariable_externalFinal() async {
await assertErrorsInCode('''
external final x;
void f() {
x = 0;
x += 0;
++x;
x++;
}
''', [
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 32, 1),
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 41, 1),
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 53, 1),
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 58, 1),
]);
}
test_simpleIdentifier_topLevelVariable_final() async {
await assertErrorsInCode('''
final x = 0;
void f() {
x = 0;
x += 0;
++x;
x++;
}
''', [
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 27, 1),
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 36, 1),
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 48, 1),
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 53, 1),
]);
}
test_simpleIdentifier_topLevelVariable_lateFinal() async {
await assertNoErrorsInCode('''
late final int x;
void f() {
x = 0;
x += 0;
++x;
x++;
}
''');
}
test_simpleIdentifier_topLevelVariable_lateFinal_hasInitializer() async {
await assertErrorsInCode('''
late final int x = 0;
void f() {
x = 0;
x += 0;
++x;
x++;
}
''', [
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 36, 1),
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 45, 1),
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 57, 1),
error(CompileTimeErrorCode.ASSIGNMENT_TO_FINAL, 62, 1),
]);
}
}