// 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"); reportCompare(0, 0);