test262/test/suite/ch15/15.8/15.8.2/15.8.2.5/S15.8.2.5_A16.js

25 lines
726 B
JavaScript

// Copyright 2009 the Sputnik authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/**
* If y<0 and y is finite and x is equal to +Infinity, Math.atan2(y,x) is -0
*
* @path 15_Native/15.8_The_Math_Object/15.8.2_Function_Properties_of_the_Math_Object/15.8.2.5_atan2/S15.8.2.5_A16.js
* @description Checking if Math.atan2(y,x) is -0, where y<0 and y is finite and x is equal to +Infinity
*/
// CHECK#1
x = +Infinity;
y = new Array();
y[0] = -0.000000000000001;
y[1] = -1;
y[2] = -1.7976931348623157E308; //largest by abs() finite number
ynum = 3;
for (i = 0; i < ynum; i++)
{
if (Math.atan2(y[i],x) !== -0)
$FAIL("#1: Math.atan2(" + y[i] + ", " + x + ") !== -0");
}