| // Copyright (c) 2021, 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. |
| |
| // Tests lists with const functions. |
| |
| // SharedOptions=--enable-experiment=const-functions |
| |
| import "package:expect/expect.dart"; |
| |
| const firstVar = firstFn(); |
| // ^^^^^^^^^ |
| // [analyzer] COMPILE_TIME_ERROR.CONST_INITIALIZED_WITH_NON_CONSTANT_VALUE |
| // [web] Constant evaluation error: |
| int firstFn() { |
| const List<int> x = [1, 2]; |
| return x.first; |
| } |
| |
| const firstCatchVar = firstCatchFn(); |
| // ^^^^^^^^^^^^^^ |
| // [analyzer] COMPILE_TIME_ERROR.CONST_INITIALIZED_WITH_NON_CONSTANT_VALUE |
| // [web] Constant evaluation error: |
| int firstCatchFn() { |
| try { |
| const List<int> x = []; |
| var v = x.first; |
| } on StateError { |
| return 0; |
| } |
| return 1; |
| } |
| |
| const hashCodeVar = hashCodeFn(); |
| // ^^^^^^^^^^^^ |
| // [analyzer] COMPILE_TIME_ERROR.CONST_INITIALIZED_WITH_NON_CONSTANT_VALUE |
| // [web] Constant evaluation error: |
| int hashCodeFn() { |
| const List<int> x = [1, 2]; |
| return x.hashCode; |
| } |
| |
| const isEmptyVar = isEmptyFn(); |
| // ^^^^^^^^^^^ |
| // [analyzer] COMPILE_TIME_ERROR.CONST_INITIALIZED_WITH_NON_CONSTANT_VALUE |
| // [web] Constant evaluation error: |
| bool isEmptyFn() { |
| const List<int> x = [1, 2]; |
| return x.isEmpty; |
| } |
| |
| const isNotEmptyVar = isNotEmptyFn(); |
| // ^^^^^^^^^^^^^^ |
| // [analyzer] COMPILE_TIME_ERROR.CONST_INITIALIZED_WITH_NON_CONSTANT_VALUE |
| // [web] Constant evaluation error: |
| bool isNotEmptyFn() { |
| const List<int> x = [1, 2]; |
| return x.isNotEmpty; |
| } |
| |
| const lastVar = lastFn(); |
| // ^^^^^^^^ |
| // [analyzer] COMPILE_TIME_ERROR.CONST_INITIALIZED_WITH_NON_CONSTANT_VALUE |
| // [web] Constant evaluation error: |
| int lastFn() { |
| const List<int> x = [1, 2]; |
| return x.last; |
| } |
| |
| const lastCatchVar = lastCatchFn(); |
| // ^^^^^^^^^^^^^ |
| // [analyzer] COMPILE_TIME_ERROR.CONST_INITIALIZED_WITH_NON_CONSTANT_VALUE |
| // [web] Constant evaluation error: |
| int lastCatchFn() { |
| try { |
| const List<int> x = []; |
| var v = x.last; |
| } on StateError { |
| return 0; |
| } |
| return 1; |
| } |
| |
| const lengthVar = lengthFn(); |
| // ^^^^^^^^^^ |
| // [analyzer] COMPILE_TIME_ERROR.CONST_INITIALIZED_WITH_NON_CONSTANT_VALUE |
| // [web] Constant evaluation error: |
| int lengthFn() { |
| const List<int> x = [1, 2]; |
| return x.length; |
| } |
| |
| const singleVar = singleFn(); |
| // ^^^^^^^^^^ |
| // [analyzer] COMPILE_TIME_ERROR.CONST_INITIALIZED_WITH_NON_CONSTANT_VALUE |
| // [web] Constant evaluation error: |
| int singleFn() { |
| const List<int> x = [1]; |
| return x.single; |
| } |
| |
| const singleCatchVar = singleCatchFn(); |
| // ^^^^^^^^^^^^^^^ |
| // [analyzer] COMPILE_TIME_ERROR.CONST_INITIALIZED_WITH_NON_CONSTANT_VALUE |
| // [web] Constant evaluation error: |
| int singleCatchFn() { |
| try { |
| const List<int> x = []; |
| var v = x.single; |
| } on StateError { |
| return 0; |
| } |
| return 1; |
| } |
| |
| const singleCatchVar2 = singleCatchFn2(); |
| // ^^^^^^^^^^^^^^^^ |
| // [analyzer] COMPILE_TIME_ERROR.CONST_INITIALIZED_WITH_NON_CONSTANT_VALUE |
| // [web] Constant evaluation error: |
| int singleCatchFn2() { |
| try { |
| const List<int> x = [1, 2]; |
| var v = x.single; |
| } on StateError { |
| return 0; |
| } |
| return 1; |
| } |
| |
| const typeExample = int; |
| const typeVar = typeFn(); |
| // ^^^^^^^^ |
| // [analyzer] COMPILE_TIME_ERROR.CONST_INITIALIZED_WITH_NON_CONSTANT_VALUE |
| // [web] Constant evaluation error: |
| Type typeFn() { |
| const List<int> x = [1, 2]; |
| return x.runtimeType; |
| } |
| |
| void main() { |
| Expect.equals(firstVar, 1); |
| Expect.equals(firstCatchVar, 0); |
| Expect.type<int>(hashCodeVar); |
| Expect.equals(isEmptyVar, false); |
| Expect.equals(isNotEmptyVar, true); |
| Expect.equals(lastVar, 2); |
| Expect.equals(lastCatchVar, 0); |
| Expect.equals(lengthVar, 2); |
| Expect.equals(singleVar, 1); |
| Expect.equals(singleCatchVar, 0); |
| Expect.equals(singleCatchVar2, 0); |
| Expect.equals(typeVar, int); |
| } |