| function shouldBe(actual, expected) { |
| if (actual !== expected) |
| throw new Error('bad value: ' + actual); |
| } |
| |
| 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)}`); |
| } |
| |
| for (var i = 0; i < 10; ++i) { |
| var f = Function('/*) {\n*/', 'return 42'); |
| shouldBe(f.toString(), |
| `function anonymous(/*) { |
| */) { |
| return 42 |
| }`); |
| } |
| shouldThrow(() => Function('/*', '*/){\nreturn 42'), `SyntaxError: Parameters should match arguments offered as parameters in Function constructor.`); |
| |
| shouldThrow(() => Function('/*', '*/){\nreturn 43'), `SyntaxError: Parameters should match arguments offered as parameters in Function constructor.`); |
| for (var i = 0; i < 10; ++i) { |
| var f = Function('/*) {\n*/', 'return 43'); |
| shouldBe(f.toString(), |
| `function anonymous(/*) { |
| */) { |
| return 43 |
| }`); |
| } |
| |