function shouldThrow(func, message) { | |
var error = null; | |
try { | |
func(); | |
} catch (e) { | |
error = e; | |
} | |
if (!error) | |
throw new Error("not thrown."); | |
if (String(error) !== message) | |
throw new Error("bad error: " + String(error)); | |
} | |
for (var i = 0; i < 10000; ++i) { | |
shouldThrow(function () { | |
new Array.prototype.forEach(function () { }); | |
}, "TypeError: function is not a constructor (evaluating 'new Array.prototype.forEach(function () { })')"); | |
} |