| // Copyright (c) 2014, 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 "native_testing.dart"; |
| |
| makeCC() native; |
| nativeFirst(x, y) native; |
| |
| void setup() { |
| JS('', r""" |
| (function(){ |
| function CC() {} |
| self.makeCC = function() { return new CC() }; |
| self.nativeFirst = function(x, y) { return x; }; |
| self.nativeConstructor(CC); |
| })()"""); |
| applyTestExtensions(['CC']); |
| } |
| |
| class C { |
| foo(x) => x; |
| } |
| |
| @Native("CC") |
| class ClickCounter { |
| var status; |
| |
| var foo; |
| |
| init() { |
| foo = wrap(g); |
| } |
| |
| g(val) => "### $val ###"; |
| } |
| |
| wrap(cb) { |
| return (val) { |
| return cb("!!! $val !!!"); |
| }; |
| } |
| |
| main() { |
| nativeTesting(); |
| setup(); |
| var c = makeCC(); |
| c.init(); |
| var c2 = new C(); |
| c = nativeFirst(c, c2); |
| // After the `nativeFirst` invocation dart2js doesn't know if c is a |
| // ClickCounter or C. It must go through the interceptor and call the foo$1 |
| // invocation. |
| Expect.equals("### !!! 499 !!! ###", c.foo(499)); |
| } |