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)}`); | |
} | |
function sloppyLoop(n) { | |
if (n > 0) | |
return sloppyLoop(...[n - 1]); | |
} | |
function strictLoop(n) { | |
"use strict"; | |
if (n > 0) | |
return strictLoop(...[n - 1]); | |
} | |
shouldThrow(function () { sloppyLoop(100000); }, 'RangeError: Maximum call stack size exceeded.'); | |
strictLoop(100000); |