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// Copyright (C) 2017 Robin Templeton. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-bigint.prototype.valueof
description: >
Throws a TypeError if this is an Object without a [[BigIntData]] internal.
info: |
BigInt.prototype.valueOf ( )
1. Return ? thisBigIntValue(this value).
The abstract operation thisBigIntValue(value) performs the following steps:
1. If Type(value) is BigInt, return value.
2. If Type(value) is Object and value has a [[BigIntData]] internal slot, then
...
3. Throw a TypeError exception.
features: [BigInt]
---*/
var valueOf = BigInt.prototype.valueOf;
assert.sameValue(typeof valueOf, 'function');
assert.throws(TypeError, function() {
valueOf.call({});
}, "{}");
assert.throws(TypeError, function() {
valueOf.call(Object(1));
}, "Object(1)");
reportCompare(0, 0);
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