test262/test/built-ins/FinalizationRegistry/undefined-newtarget-throws.js

29 lines
728 B
JavaScript

// Copyright (C) 2019 Leo Balter. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-finalization-registry-target
description: >
Throws a TypeError if NewTarget is undefined.
info: |
FinalizationRegistry ( cleanupCallback )
1. If NewTarget is undefined, throw a TypeError exception.
2. If IsCallable(cleanupCallback) is false, throw a TypeError exception.
...
features: [FinalizationRegistry]
---*/
assert.sameValue(
typeof FinalizationRegistry, 'function',
'typeof FinalizationRegistry is function'
);
assert.throws(TypeError, function() {
FinalizationRegistry();
});
assert.throws(TypeError, function() {
FinalizationRegistry(function() {});
});