| // Copyright (c) 2012, 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 = 2.7 |
| |
| import "package:expect/expect.dart"; |
| |
| const x = "foo"; |
| const y = "foo"; |
| const g1 = x + "bar"; |
| const g2 = x |
| + null // //# 01: compile-time error |
| ; |
| const g3 = x |
| + 499 // //# 02: compile-time error |
| ; |
| const g4 = x |
| + 3.3 // //# 03: compile-time error |
| ; |
| const g5 = x |
| + true // //# 04: compile-time error |
| ; |
| const g6 = x |
| + false // //# 05: compile-time error |
| ; |
| const g7 = "foo" |
| + x[0] // //# 06: compile-time error |
| ; |
| const g8 = 1 + x.length; |
| const g9 = x == y; |
| |
| use(x) => x; |
| |
| main() { |
| Expect.equals("foobar", g1); |
| Expect.isTrue(g9); |
| use(g1); |
| use(g2); |
| use(g3); |
| use(g4); |
| use(g5); |
| use(g6); |
| use(g7); |
| use(g8); |
| } |