Alexander Markov
143e4e9dc8
TEST=pkg/vm/testcases/transformations/type_flow/transformer/weak.dart TEST=language/vm/static_weak_reference_test TEST=language/vm/static_weak_reference_error_test Bug: b/269223463 Change-Id: I23c8229c39217aa1c3f9fb576d8eefa5ceb1d8ad Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/283421 Reviewed-by: Johnni Winther <johnniwinther@google.com> Commit-Queue: Alexander Markov <alexmarkov@google.com> Reviewed-by: Slava Egorov <vegorov@google.com>
48 lines
1.1 KiB
Dart
48 lines
1.1 KiB
Dart
// Copyright (c) 2023, 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 'vm:weak-tearoff-reference' pragma.
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import 'dart:io' show Platform;
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import "package:expect/expect.dart";
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@pragma('vm:weak-tearoff-reference')
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Function? weakRef(Function? x) => x;
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int used1() => 10;
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int used2() => 20;
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int unused1() => 30;
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int unused2() => 40;
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final bool isAot = Platform.executable.contains('dart_precompiled_runtime');
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void test(int expectedResult, bool isUsed, Function? ref) {
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print(ref);
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if (isUsed || !isAot) {
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Expect.isNotNull(ref);
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Expect.equals(expectedResult, ref!());
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} else {
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Expect.isNull(ref);
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}
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}
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class A {
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int foo1() => used1() + 1;
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Function foo2() => used2;
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int bar1() => unused1() + 1;
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Function bar2() => unused2;
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}
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main() {
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test(10, true, weakRef(used1));
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test(20, true, weakRef(used2));
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test(30, false, weakRef(unused1));
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test(40, false, weakRef(unused2));
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A a = A();
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a.foo1();
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a.foo2();
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}
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