Sigmund Cherem
912005267d
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>
53 lines
1.4 KiB
Dart
53 lines
1.4 KiB
Dart
// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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import 'native_testing.dart';
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import 'dart:_js_helper' show setNativeSubclassDispatchRecord;
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import 'dart:_interceptors' show Interceptor, findInterceptorForType;
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// Test calling convention on subclasses of native classes.
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class M {
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miz() => 'M';
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}
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@Native("N")
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class N {}
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class A extends N {}
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class B extends A with M {
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// The call to [miz] has a know type [B]. The call is in an intercepted
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// method and to an intercepted method, so the ambient interceptor can be
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// used. For correct optimization of the interceptor, the compiler needs to
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// (1) correctly determine that B is an intercepted type (because it extends a
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// native class) and (2) realize that the intersection of [B] and subclasses
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// of mixin applications of [M] is non-empty.
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callMiz() => this.miz();
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}
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B makeB() native;
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@Creates('=Object')
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getBPrototype() native;
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void setup() {
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JS('', r"""
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(function(){
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function B() {}
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self.makeB = function(){return new B()};
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self.getBPrototype = function(){return B.prototype;};
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})()""");
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}
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main() {
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nativeTesting();
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setup();
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setNativeSubclassDispatchRecord(getBPrototype(), findInterceptorForType(B));
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B b = makeB();
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Expect.equals('M', b.callMiz());
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}
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