function shouldBe(actual, expected) { | |
if (actual !== expected) | |
throw new Error('bad value: ' + actual); | |
} | |
var func = Date; | |
for (var i = 0; i < 1e4; ++i) { | |
var date = new func(); | |
shouldBe(typeof date, "object"); | |
shouldBe(date instanceof Date, true); | |
} |