"use strict"; function assert(b, msg) { if (!b) throw new Error(msg); } var arr = []; function test() { arr = [0, 2147483648]; // NOTE: the second number is greater than INT_MAX assert(arr[0] === 0, "arr[0] should be 0, but is " + arr[0]); assert(arr[1] === 2147483648, "arr[1] should be 2147483648, but is " + arr[1]); assert(arr.length === 2, "Length should be 2, but is " + arr.length); arr.shift(); assert(arr[0] === 2147483648, "arr[0] should be 2147483648, but is " + arr[0]); assert(arr[1] === undefined, "arr[1] should be undefined, but is " + arr[1]); assert(arr.length === 1, "Length should be 2, but is " + arr.length); arr[1] = 1; assert(arr[0] === 2147483648, "arr[0] should be 2147483648, but is " + arr[0]); assert(arr[1] === 1, "arr[1] should be 1, but is " + arr[1]); assert(arr.length === 2, "Length should be 2, but is " + arr.length); } for (let i = 0; i < 10000; i++) test();