test262/test/built-ins/Infinity/S15.1.1.2_A1.js

30 lines
829 B
JavaScript

// Copyright 2009 the Sputnik authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
info: The initial value of Infinity is Number.POSITIVE_INFINITY
es5id: 15.1.1.2_A1
description: Use typeof, isNaN, isFinite
---*/
// CHECK#1
if (typeof(Infinity) !== "number") {
throw new Test262Error('#1: typeof(Infinity) === "number". Actual: ' + (typeof(Infinity)));
}
// CHECK#2
if (isFinite(Infinity) !== false) {
throw new Test262Error('#2: Infinity === Not-a-Finite. Actual: ' + (Infinity));
}
// CHECK#3
if (isNaN(Infinity) !== false) {
throw new Test262Error('#3: Infinity === Not-a-Number. Actual: ' + (Infinity));
}
// CHECK#4
if (Infinity !== Number.POSITIVE_INFINITY) {
throw new Test262Error('#4: Infinity === Number.POSITIVE_INFINITY. Actual: ' + (Infinity));
}