v8/test/mjsunit/harmony/weakrefs/basics-cleanupsome.js
Shu-yu Guo e3e81892a4 [weakrefs] Split out FinalizationRegistry#cleanupSome to a different flag
Apple currently objects to cleanupSome but agrees to shipping the rest
of WeakRefs. Separate out cleanupSome to its own flag so the rest of
WeakRefs may ship.

Bug: v8:8179
Change-Id: I6159fc743c9cb658860d4260b0dcb95e54630fdc
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2141011
Commit-Queue: Shu-yu Guo <syg@chromium.org>
Reviewed-by: Sathya Gunasekaran  <gsathya@chromium.org>
Cr-Commit-Position: refs/heads/master@{#67070}
2020-04-09 00:05:07 +00:00

26 lines
1.0 KiB
JavaScript

// Copyright 2018 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --harmony-weak-refs-with-cleanup-some
(function TestCleanupSomeWithoutFinalizationRegistry() {
assertThrows(() => FinalizationRegistry.prototype.cleanupSome.call({}), TypeError);
// Does not throw:
let fg = new FinalizationRegistry(() => {});
let rv = FinalizationRegistry.prototype.cleanupSome.call(fg);
assertEquals(undefined, rv);
})();
(function TestCleanupSomeWithNonCallableCallback() {
let fg = new FinalizationRegistry(() => {});
assertThrows(() => fg.cleanupSome(1), TypeError);
assertThrows(() => fg.cleanupSome(1n), TypeError);
assertThrows(() => fg.cleanupSome(Symbol()), TypeError);
assertThrows(() => fg.cleanupSome({}), TypeError);
assertThrows(() => fg.cleanupSome('foo'), TypeError);
assertThrows(() => fg.cleanupSome(true), TypeError);
assertThrows(() => fg.cleanupSome(false), TypeError);
assertThrows(() => fg.cleanupSome(null), TypeError);
})();