//@ runBigIntEnabled function shouldBe(actual, expected) { if (actual !== expected) throw new Error('bad value: ' + actual); } noInline(shouldBe); function shouldThrow(func, errorMessage) { var errorThrown = false; var error = null; try { func(); } catch (e) { errorThrown = true; error = e; } if (!errorThrown) throw new Error('not thrown'); if (String(error) !== errorMessage) throw new Error(`bad error: ${String(error)}`); } noInline(shouldThrow); var counter = 0; BigInt.prototype.toJSON = function () { ++counter; return Number(String(this)); }; shouldBe(JSON.stringify(0n), `0`); shouldBe(counter, 1); shouldBe(JSON.stringify([0n]), `[0]`); shouldBe(counter, 2); shouldBe(JSON.stringify({hello:0n}), `{"hello":0}`); shouldBe(counter, 3); var bigIntObject = Object(0n); shouldBe(JSON.stringify(bigIntObject), `0`); shouldBe(counter, 4); shouldBe(JSON.stringify([bigIntObject]), `[0]`); shouldBe(counter, 5); shouldBe(JSON.stringify({hello:bigIntObject}), `{"hello":0}`); shouldBe(counter, 6);