Files
sdk/tests/language/const/constructor_syntax_test.dart
T
Jens Johansen 0c90775fd6 [CFE] Better error messages for class initialization errors
Change-Id: Ic7c489b0bfffd05cdd71dc254db042956fd25c3a
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/161944
Commit-Queue: Jens Johansen <jensj@google.com>
Reviewed-by: Johnni Winther <johnniwinther@google.com>
2020-09-09 11:37:47 +00:00

62 lines
1.8 KiB
Dart

// Copyright (c) 2012, 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.
main() {
var c0 = const C0();
// ^^^^^
// [analyzer] COMPILE_TIME_ERROR.CONST_WITH_NON_CONST
// ^
// [cfe] Cannot invoke a non-'const' constructor where a const expression is expected.
var i0 = const I0();
// ^^^^^
// [analyzer] COMPILE_TIME_ERROR.CONST_WITH_NON_CONST
// ^
// [cfe] Cannot invoke a non-'const' factory where a const expression is expected.
var c1 = const C1();
var c2 = const C2();
// ^^^^^
// [analyzer] COMPILE_TIME_ERROR.CONST_WITH_NON_CONST
// ^
// [cfe] Cannot invoke a non-'const' constructor where a const expression is expected.
var c3 = const C3();
// ^^^^^^^^^^
// [analyzer] COMPILE_TIME_ERROR.CONST_EVAL_THROWS_EXCEPTION
}
abstract class I0 {
factory I0() = C0;
}
class C0 implements I0 {
C0();
}
class C1 {
const C1();
// ^^
// [analyzer] COMPILE_TIME_ERROR.CONST_CONSTRUCTOR_WITH_NON_FINAL_FIELD
// [cfe] Constructor is marked 'const' so all fields must be final.
var modifiable;
}
class C2 {
C2();
}
class C3 {
const C3()
: field = new C0()
//^^^^^
// [analyzer] COMPILE_TIME_ERROR.FIELD_INITIALIZED_IN_INITIALIZER_AND_DECLARATION
// ^
// [cfe] 'field' is a final instance variable that was initialized at the declaration.
// ^
// [cfe] Cannot invoke a non-'const' constructor where a const expression is expected.
// ^^^^^^^^
// [analyzer] COMPILE_TIME_ERROR.INVALID_CONSTANT
// [cfe] New expression is not a constant expression.
;
final field = null;
}