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>
46 lines
1.3 KiB
Dart
46 lines
1.3 KiB
Dart
// Copyright (c) 2016, 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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// Test for initialization of dispatchPropertyName.
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import 'native_testing.dart';
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@Native("Foo")
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class Foo {
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String method(String x) native;
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}
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makeFoo() native;
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void setup() {
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JS('', r"""
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(function(){
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function Foo() {}
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Foo.prototype.method = function(x) { return 'Foo ' + x; };
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self.makeFoo = function() { return new Foo(); };
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self.nativeConstructor(Foo);
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})()""");
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applyTestExtensions(['Foo']);
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}
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main() {
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nativeTesting();
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setup();
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// If the dispatchPropertyName is uninitialized, it will be `undefined` or
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// `null` instead of the secret string or Symbol. These properties on
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// `Object.prototype` will be retrieved by the lookup instead of `undefined`
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// for the dispatch record.
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JS('', r'self.Object.prototype["undefined"] = {}');
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JS('', r'self.Object.prototype["null"] = {}');
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Expect.equals('Foo A', makeFoo().method('A'));
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// Slightly different version that has malformed dispatch records.
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JS('', r'self.Object.prototype["undefined"] = {p: false}');
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JS('', r'self.Object.prototype["null"] = {p: false}');
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Expect.equals('Foo B', makeFoo().method('B'));
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}
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