dart-sdk/tests/web/native/native_field_invocation_test.dart
Sigmund Cherem 912005267d [web] rename suite dart2js -> web.
Change-Id: I46be49b2effec3e38a3dc44cd45cfe736f77fa78
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/182680
Commit-Queue: Sigmund Cherem <sigmund@google.com>
Reviewed-by: Joshua Litt <joshualitt@google.com>
Reviewed-by: Nicholas Shahan <nshahan@google.com>
Reviewed-by: Stephen Adams <sra@google.com>
2021-02-04 23:11:32 +00:00

35 lines
802 B
Dart

// 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.
import "native_testing.dart";
@Native("A")
class A {
var foo;
}
class B {
var foo;
}
nativeId(x) native;
void setup() {
JS('', r"""
(function(){
self.nativeId = function(x) { return x; }
})()""");
}
main() {
setup();
var b = new B();
b.foo = (x) => x + 1;
b = nativeId(b); // Inferrer doesn't know if A has been instantiated.
// At this point b could be A or B. The call to "foo" thus needs to go through
// an interceptor. Tests that the interceptor works for retrieving the Dart
// class field and invoking the closure.
Expect.equals(499, b.foo(498));
}