Strict mode Failing
Expected no error, got ESHostError: Symbol.toPrimitive should only be invoked once
non-Strict mode Failing
Expected no error, got ESHostError: Symbol.toPrimitive should only be invoked once
Features:
- BigInt
Expected no error, got ESHostError: Symbol.toPrimitive should only be invoked once
Expected no error, got ESHostError: Symbol.toPrimitive should only be invoked once
// Copyright (C) 2022 Kevin Gibbons. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: BigInt constructor only coerces its input once
esid: sec-bigint-constructor-number-value
info: |
BigInt ( value )
1. If NewTarget is not undefined, throw a TypeError exception.
2. Let prim be ? ToPrimitive(value, number).
3. If Type(prim) is Number, return ? NumberToBigInt(prim).
4. Otherwise, return ? ToBigInt(prim).
features: [BigInt]
---*/
var first = true;
var v = {
[Symbol.toPrimitive]: function() {
if (first) {
first = false;
return "42";
}
throw new Test262Error("Symbol.toPrimitive should only be invoked once");
},
};
assert.sameValue(BigInt(v), 42n, "BigInt constructor should use the post-ToPrimitive value as the argument to ToBigInt");