// Copyright 2009 the Sputnik authors.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
info: If x is less than -1, Math.acos(x) is NaN
es5id: 15.8.2.2_A3
description: Checking if Math.acos(x) is NaN, where x is less than -1
---*/

// CHECK#1
var x = -1.000000000000001;
if (!isNaN(Math.acos(x)))
{
	$ERROR("#1: 'var x = -1.000000000000001; isNaN(Math.acos(x)) === false'");
}

// CHECK#2
x = -2;
if (!isNaN(Math.acos(x)))
{
	$ERROR("#2: 'x = -2; isNaN(Math.acos(x)) === false'");
}

// CHECK#3
x = -Infinity;
if (!isNaN(Math.acos(x)))
{
	$ERROR("#3: 'x = -Infinity; isNaN(Math.acos(x)) === false'");
}