| 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)}`); |
| } |
| |
| shouldThrow(() => { |
| 2n ** 0xfffffffffffffffffn; |
| }, `RangeError: Out of memory: BigInt generated from this operation is too big`); |
| shouldThrow(() => { |
| 2n ** 0xffffffn; |
| }, `RangeError: Out of memory: BigInt generated from this operation is too big`); |
| shouldThrow(() => { |
| 2n ** 0xfffffffn; |
| }, `RangeError: Out of memory: BigInt generated from this operation is too big`); |
| shouldThrow(() => { |
| 2n ** 0xffffffffn; |
| }, `RangeError: Out of memory: BigInt generated from this operation is too big`); |
| shouldThrow(() => { |
| 2n ** 0xfffffffffffffffn; |
| }, `RangeError: Out of memory: BigInt generated from this operation is too big`); |
| shouldThrow(() => { |
| 10n ** 1000000n; |
| }, `RangeError: Out of memory: BigInt generated from this operation is too big`); |