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c6dd620ad3
Corresponds to https://github.com/tc39/proposal-weakrefs/pull/183 (Note, this is untested)
29 lines
728 B
JavaScript
29 lines
728 B
JavaScript
// Copyright (C) 2019 Leo Balter. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-finalization-registry-target
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description: >
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Throws a TypeError if NewTarget is undefined.
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info: |
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FinalizationRegistry ( cleanupCallback )
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1. If NewTarget is undefined, throw a TypeError exception.
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2. If IsCallable(cleanupCallback) is false, throw a TypeError exception.
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...
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features: [FinalizationRegistry]
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---*/
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assert.sameValue(
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typeof FinalizationRegistry, 'function',
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'typeof FinalizationRegistry is function'
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);
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assert.throws(TypeError, function() {
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FinalizationRegistry();
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});
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assert.throws(TypeError, function() {
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FinalizationRegistry(function() {});
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});
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