| /* |
| * 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. |
| */ |
| /** |
| * @assertion A list literal <E>[elem_1 ... elem_n] is evaluated as follows: |
| * |
| * 2. For each entry in the map literal: |
| * i. If entry is a spread element: |
| * a. Evaluate the entry's expression to a value value. |
| * b. If entry is null-aware and value is [null], continue to the next |
| * entry in the literal. |
| * c. Evaluate [value.entries.iterator] to a value iterator. |
| * d. Loop: |
| * a. If [iterator.moveNext()] returns [false], exit the loop. |
| * b. Evaluate [iterator.current] to a value [newEntry]. |
| * c. Call map[newEntry.key] = newEntry.value. |
| * ii. Else, entry has form [e1: e2]: |
| * a. Evaluate [e1] to a value key. |
| * b. Evaluate [e2] to a value value. |
| * c. Call map[key] = value. |
| * @description Checks that the same map can be spread twice. |
| * @author iarkh@unipro.ru |
| */ |
| |
| import "dart:collection"; |
| import "../../Utils/expect.dart"; |
| |
| Map map1 = {1: 1, 2: 2, 3: 3, 4: 4, 5: 5}; |
| Map map2 = {4: 7, 2: 12}; |
| Map verylongmap = {1: "test", 2: 248, 14: 10, -7: "-7", 100: 218, 13: -24.11, |
| 24: 14, 8: -8, 174: "13", 149: null, "12345": 12345, 27: 37, 222: null, |
| -100: "-", 147: "", "": "", 100000: -100, 12456: -11, 23: 23, 25: 25, 17: 27, |
| 349: 2222222, -12345: "12345", 123: 123, 122: 122, 121: 121, 120: 249, |
| "a": "a", "b": "b", "c": "c", "d": "d", "e": "e", "y": "y", -1000: -1000}; |
| |
| main() { |
| Expect.mapEquals(map1, {...map1, ...map1}); |
| Expect.mapEquals(map2, {...map2, ...map2}); |
| Expect.mapEquals(verylongmap, {...verylongmap, ...verylongmap}); |
| Expect.mapEquals({}, {...{}, ...{}}); |
| Expect.mapEquals({73: 70, 1: 1, 2: 2, 3: 3, 4: 4, 5: 5}, |
| {73: 70, 1: 14, ...map1, 3: 99, ...map1}); |
| } |