| /* |
| * 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 If element is an ifElement with one element, p1, and no "else" |
| * element: |
| * |
| * The condition is inferred with a context type of bool. |
| * |
| * If the inferred set element type of p1 is S then the inferred set element |
| * type of element is S. |
| * |
| * @description Checks that if the inferred set element type of p1 is S then the |
| * inferred set element type of element is S |
| * @author sgrekhov@unipro.ru |
| */ |
| import "../../Utils/expect.dart"; |
| |
| main() { |
| var i = 1; |
| var x = [1, 2, 3] as List<int>?; |
| var set1 = { |
| if (i > 0) ...?x, |
| }; |
| Expect.isTrue(set1 is Set<int>); |
| |
| var set2 = { |
| "", |
| if (i < 0) ...?x, |
| }; |
| Expect.isTrue(set2 is Set<Object>); |
| Expect.isFalse(set2 is Set<String>); |
| Expect.isFalse(set2 is Set<num>); |
| } |