| // TODO(multitest): This was automatically migrated from a multitest and may |
| // contain strange or dead code. |
| |
| // Copyright (c) 2018, 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 test program to test arithmetic operations. |
| |
| import "package:expect/expect.dart"; |
| |
| class C1 { |
| int call(int i) => 2 * i; |
| } |
| |
| class C2 implements Function { |
| int call(int i) => 2 * i; |
| } |
| |
| main() { |
| C1 c1 = new C1(); |
| // Implicitly invokes c1.call(1) |
| |
| dynamic d1 = c1; |
| // Implicitly invokes d1.call(1) |
| Expect.equals(d1(1), 2); |
| C2 c2 = new C2(); |
| // Implicitly invokes c2.call(1) |
| |
| dynamic d2 = c2; |
| // Implicitly invokes d2.call(1) |
| |
| // Cannot invoke with the wrong signature. |
| |
| |
| } |