| // Copyright (c) 2017, 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. |
| |
| import 'package:expect/expect.dart'; |
| |
| final values = <int>[]; |
| |
| class Mock { |
| noSuchMethod(Invocation i) { |
| var expected = i.isGetter ? #x : const Symbol("x="); |
| Expect.equals(expected.toString(), i.memberName.toString()); |
| values.add(i.positionalArguments[0]); |
| } |
| } |
| |
| class Foo { |
| // Prevent obfuscation of 'x'. |
| @pragma("vm:entry-point") |
| int x; |
| } |
| |
| class Bar extends Mock implements Foo { |
| final int x = 42; |
| } |
| |
| class _Baz implements Foo { |
| final int x = 42; |
| |
| noSuchMethod(Invocation i) { |
| var expected = i.isGetter ? #x : const Symbol("x="); |
| Expect.equals(expected.toString(), i.memberName.toString()); |
| values.add(i.positionalArguments[0]); |
| } |
| } |
| |
| void main() { |
| { |
| Bar b = new Bar(); |
| Expect.equals(b.x, 42); |
| b.x = 123; |
| Expect.listEquals([123], values); |
| values.clear(); |
| } |
| { |
| // It works the same if called statically through the Foo interface. |
| Foo b = new Bar(); |
| Expect.equals(b.x, 42); |
| b.x = 123; |
| Expect.listEquals([123], values); |
| values.clear(); |
| } |
| { |
| // It works the same if the noSuchMethod is defined directly in the class. |
| Foo b = new _Baz(); |
| Expect.equals(b.x, 42); |
| b.x = 123; |
| Expect.listEquals([123], values); |
| values.clear(); |
| } |
| } |