// 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(functionTestCleanupSomeWithoutFinalizationRegistry(){assertThrows(()=>FinalizationRegistry.prototype.cleanupSome.call({}),TypeError);// Does not throw:letfg=newFinalizationRegistry(()=>{});letrv=FinalizationRegistry.prototype.cleanupSome.call(fg);assertEquals(undefined,rv);})();(functionTestCleanupSomeWithNonCallableCallback(){letfg=newFinalizationRegistry(()=>{});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);})();