| // Copyright (c) 2016, 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. |
| |
| // test w/ `dart test -N prefer_contains` |
| |
| const int MINUS_ONE = -1; |
| |
| List<int> list = []; |
| |
| List get getter => []; |
| |
| typedef List F(); |
| |
| F a() { |
| return () => []; |
| } |
| |
| bool le = list.indexOf(1) > -1; //LINT |
| |
| bool le2 = [].indexOf(1) > -1; //LINT |
| |
| bool le3 = ([].indexOf(1) as int) > -1; //LINT |
| |
| bool le4 = -1 < list.indexOf(1); //LINT |
| |
| bool le5 = [].indexOf(1) < MINUS_ONE; //LINT |
| |
| bool le6 = MINUS_ONE < [].indexOf(1); //LINT |
| |
| bool ge = getter.indexOf(1) != -1; //LINT |
| |
| bool ce = a()().indexOf(1) == -1; //LINT |
| |
| bool se = "aaa".indexOf('a') == -1; //LINT |
| |
| int ser = "aaa".indexOf('a', 2); //OK |
| |
| bool mixed = list.indexOf(1) + "a".indexOf("ab") > 0; //OK |
| |
| condition() { |
| final int a = list.indexOf(1) > -1 ? 2 : 3; //LINT |
| list..indexOf(1); |
| var next; |
| while ((next = list.indexOf('{')) != -1) {} //OK |
| } |
| |
| bool le7 = [].indexOf(1) > 1; //OK |
| |
| testOperators() { |
| [].indexOf(1) == -1; // LINT |
| [].indexOf(1) != -1; // LINT |
| [].indexOf(1) > -1; // LINT |
| [].indexOf(1) >= -1; // LINT |
| [].indexOf(1) < -1; // LINT |
| [].indexOf(1) <= -1; // LINT |
| |
| [].indexOf(1) == -2; // LINT |
| [].indexOf(1) != -2; // LINT |
| [].indexOf(1) > -2; // LINT |
| [].indexOf(1) >= -2; // LINT |
| [].indexOf(1) < -2; // LINT |
| [].indexOf(1) <= -2; // LINT |
| |
| [].indexOf(1) == 0; // OK |
| [].indexOf(1) != 0; // OK |
| [].indexOf(1) > 0; // OK |
| [].indexOf(1) >= 0; // LINT |
| [].indexOf(1) < 0; // LINT |
| [].indexOf(1) <= 0; // OK |
| |
| -1 == [].indexOf(1); // LINT |
| -1 != [].indexOf(1); // LINT |
| -1 < [].indexOf(1); // LINT |
| -1 <= [].indexOf(1); // LINT |
| -1 > [].indexOf(1); // LINT |
| -1 >= [].indexOf(1); // LINT |
| |
| -2 == [].indexOf(1); // LINT |
| -2 != [].indexOf(1); // LINT |
| -2 < [].indexOf(1); // LINT |
| -2 <= [].indexOf(1); // LINT |
| -2 > [].indexOf(1); // LINT |
| -2 >= [].indexOf(1); // LINT |
| |
| 0 == [].indexOf(1); // OK |
| 0 != [].indexOf(1); // OK |
| 0 < [].indexOf(1); // OK |
| 0 <= [].indexOf(1); // LINT |
| 0 > [].indexOf(1); // LINT |
| 0 >= [].indexOf(1); // OK |
| } |