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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>
74 lines
1.8 KiB
Dart
74 lines
1.8 KiB
Dart
// Copyright (c) 2011, 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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// Verify that native fields on classes are not renamed by the minifier.
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@Native("A")
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class A {
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void set myLongPropertyName(int unused) native;
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int get myLongPropertyName native;
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void set getValue(int unused) native;
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int get getValue native;
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int method(int z) => myLongPropertyName;
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}
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void setup() {
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JS('', r"""
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(function(){
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function getter() {
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return ++this.getValue;
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}
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function setter(x) {
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this.getValue += 10;
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}
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function A(){
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var a = Object.create(
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{ constructor: A},
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{ myLongPropertyName: { get: getter,
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set: setter,
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configurable: false,
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writeable: false
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}
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});
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a.getValue = 0;
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return a;
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}
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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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A makeA() native;
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main() {
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nativeTesting();
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setup();
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var a = makeA();
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a.myLongPropertyName = 21;
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int gotten = a.myLongPropertyName;
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Expect.equals(11, gotten);
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// Force interceptor dispatch.
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confuse(a).myLongPropertyName = 99;
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gotten = confuse(a).myLongPropertyName;
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Expect.equals(22, gotten);
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var a2 = makeA();
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if (a2 is A) {
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// Inside this 'if' the compiler knows that a2 is an A, so it is tempted
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// to access myLongPropertyName directly, using its minified name. But
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// renaming of native properties can only work using getters and setters
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// that access the original name.
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a2.myLongPropertyName = 21;
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int gotten = a2.myLongPropertyName;
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Expect.equals(11, gotten);
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}
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}
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