| var proxy = Proxy.revocable([], {}); |
| proxy.revoke(); |
| |
| 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(() => { |
| var string = new String("Hello"); |
| string.toString = function () { |
| throw new Error("Out"); |
| }; |
| JSON.stringify({}, proxy.proxy, string); |
| }, `TypeError: Array.isArray cannot be called on a Proxy that has been revoked`); |
| |
| shouldThrow(() => { |
| var string = new String("Hello"); |
| string.toString = function () { |
| throw new Error("Out"); |
| }; |
| JSON.stringify({}, [], string); |
| }, `Error: Out`); |