// Copyright (c) 2014 Ryan Lewis. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-number.isnan description: > Return false if argument is not Number info: | Number.isNaN ( number ) 1. If Type(number) is not Number, return false. [...] features: [Symbol] ---*/ assert.sameValue(Number.isNaN("NaN"), false, "string"); assert.sameValue(Number.isNaN([NaN]), false, "[NaN]"); assert.sameValue(Number.isNaN(new Number(NaN)), false, "Number object"); assert.sameValue(Number.isNaN(false), false, "false"); assert.sameValue(Number.isNaN(true), false, "true"); assert.sameValue(Number.isNaN(undefined), false, "undefined"); assert.sameValue(Number.isNaN(null), false, "null"); assert.sameValue(Number.isNaN(Symbol("1")), false, "symbol"); assert.sameValue(Number.isNaN(), false, "no arg"); reportCompare(0, 0);