| 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: ${String(error)}`); |
| } |
| |
| const largeNumber = 0xffffff; |
| let generated = null; |
| function test() |
| { |
| generated = new Function(`target`, `if (0x${'f'.repeat(largeNumber)}n < 0) return true;`); |
| } |
| |
| test(); |
| shouldThrow(() => { |
| generated(); |
| }, `RangeError: Out of memory`); |