Stephen Adams
e4eea58ac9
Change-Id: I1f0f121af9d22ccb2345c8da9070d352ade742f9 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/108907 Reviewed-by: Lasse R.H. Nielsen <lrn@google.com> Commit-Queue: Stephen Adams <sra@google.com>
69 lines
1.7 KiB
Dart
69 lines
1.7 KiB
Dart
// Copyright (c) 2015, 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 "package:expect/expect.dart";
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class B {
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final z;
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B(this.z);
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foo() => this.z;
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}
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class A<T> extends B {
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var captured, captured2;
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var typedList;
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// p must be inside a box (in dart2js).
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A(p)
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: captured = (() => p),
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super(p++) {
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// Make constructor body non-inlinable.
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try {} catch (e) {}
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captured2 = () => p++;
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// In the current implementation of dart2js makes the generic type an
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// argument to the body.
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typedList = <T>[];
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}
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foo() => captured();
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bar() => captured2();
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}
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@pragma('dart2js:noInline')
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@pragma('dart2js:assumeDynamic')
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confuse(x) => x;
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main() {
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var a = confuse(new A<int>(1));
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var a2 = confuse(new A(2));
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var b = confuse(new B(3));
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Expect.equals(2, a.foo());
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Expect.equals(3, a2.foo());
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Expect.equals(3, b.foo());
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Expect.equals(1, a.z);
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Expect.equals(2, a2.z);
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Expect.equals(3, b.z);
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Expect.isTrue(a is A<int>);
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Expect.isFalse(a is A<String>);
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Expect.isFalse(a2 is A<int>);
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Expect.isFalse(a2 is A<String>);
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Expect.isTrue(a2 is A<Object>);
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Expect.equals(2, a.bar());
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Expect.equals(3, a2.bar());
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Expect.equals(3, a.foo());
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Expect.equals(4, a2.foo());
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Expect.equals(0, a.typedList.length);
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Expect.equals(0, a2.typedList.length);
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a.typedList.add(499);
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Expect.equals(1, a.typedList.length);
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Expect.equals(0, a2.typedList.length);
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Expect.isTrue(a.typedList is List<int>);
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Expect.isFalse(a2.typedList is List<int>);
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Expect.isFalse(a.typedList is List<String>);
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Expect.isFalse(a2.typedList is List<String>);
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}
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