| // 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. |
| |
| // @dart = 2.9 |
| |
| /// @assertion The grammar changes for map and set are a little more complex |
| /// because of the potential ambiguity of collections containing only spreads. |
| /// The changed and new rules are: |
| /// |
| /// setOrMapLiteral: |
| /// mapLiteral | |
| /// setLiteral | |
| /// mapOrSetLiteral |
| /// ; |
| /// |
| /// mapLiteral: |
| /// const? typeArguments? '{' mapLiteralEntryList? '}' |
| /// ; |
| /// |
| /// mapLiteralEntryList: |
| /// mapLiteralEntry ( ',' mapLiteralEntry )* ','? |
| /// ; |
| /// |
| /// mapLiteralEntry: |
| /// expression ':' expression | |
| /// spread |
| /// ; |
| /// |
| /// setLiteral: |
| /// 'const'? typeArguments? '{' spreadableList '}' ; |
| /// |
| /// mapOrSetLiteral: |
| /// 'const'? '{' spread (',' spread)* '}' ; |
| /// |
| /// @description Checks the very simple cases where some values are combined with |
| /// the existing set or list |
| /// @author iarkh@unipro.ru |
| |
| |
| import "../../Utils/expect.dart"; |
| |
| main() { |
| Set set1 = {"abc", "int", "hello"}; |
| Set set2 = {14, 18, 99}; |
| List list3 = [0, 2, 4, 6, 8]; |
| |
| Expect.setEquals({"abc", "int", "hello", 12}, {...set1, 12}); |
| Expect.setEquals({12, "abc", "int", "hello"}, {12, ...set1}); |
| |
| Expect.setEquals({"abc", "int", "hello", 12, 2, 3, 10}, |
| {...set1, 12, 2, 3, 10}); |
| |
| Expect.setEquals({"abc", "int", "hello", 14, 18, 99, 0, 2, 4, 6, 8}, |
| {...set1, ...set2, ...list3}); |
| Expect.setEquals({11, "abc", "int", "hello", 12, 16, 94, 0, 2, 4, 6, 8}, |
| {11, ...set1, 12, 16, 94, ...list3}); |
| } |