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>
57 lines
1.5 KiB
Dart
57 lines
1.5 KiB
Dart
// Copyright (c) 2012, 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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@Native("A")
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class A {}
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A makeA() native;
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void setup() {
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JS('', r"""
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(function(){
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function A() {};
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A.prototype.foo = function() { return 99; };
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self.makeA = function() { return new A(); };
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self.nativeConstructor(A);
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})()""");
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applyTestExtensions(['A']);
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}
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class B {
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// We need to define a foo method so that dart2js sees it. Because the
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// only occurences of 'foo' is on B, a Dart class, no interceptor is used. It
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// thinks all calls will either go to this method, or throw a
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// NoSuchMethodError. It is possible that the native class will shadow a
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// method, but it will not shadow 'foo' because the name is either 'mangled'
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// with the arity, or minified.
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foo() {
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return 42;
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}
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}
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typedContext() {
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confuse(new B()).foo();
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dynamic a = makeA();
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Expect.throws(() => a.foo(), (e) => e is NoSuchMethodError);
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Expect.throws(() => a.foo, (e) => e is NoSuchMethodError);
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Expect.throws(() => a.foo = 4, (e) => e is NoSuchMethodError);
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}
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untypedContext() {
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confuse(new B()).foo();
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var a = confuse(makeA());
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Expect.throws(() => a.foo(), (e) => e is NoSuchMethodError);
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Expect.throws(() => a.foo, (e) => e is NoSuchMethodError);
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Expect.throws(() => a.foo = 4, (e) => e is NoSuchMethodError);
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}
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main() {
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nativeTesting();
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setup();
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typedContext();
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untypedContext();
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}
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