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core-js/tests/unit-global/esnext.weak-set.of.js

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302 B
JavaScript

QUnit.test('WeakSet.of', assert => {
const { of } = WeakSet;
assert.isFunction(of);
assert.arity(of, 0);
assert.name(of, 'of');
assert.looksNative(of);
assert.nonEnumerable(WeakSet, 'of');
const array = [];
assert.true(of() instanceof WeakSet);
assert.true(of(array).has(array));
});