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}, `TypeError: Array.isArray cannot be called on a Proxy that has been revoked`); | |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`); |