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// Copyright 2009 the Sputnik authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/**
* @name: S11.6.2_A4_T4;
* @section: 11.6.2, 11.6.3;
* @assertion: Operator x - y produces the same result as x + (-y);
* @description: The difference of an infinity and a finite value is equal to infinity of appropriate sign;
*/
// Converted for Test262 from original Sputnik source
ES5Harness.registerTest( {
id: "S11.6.2_A4_T4",
path: "TestCases/11_Expressions/11.6_Additive_Operators/11.6.2_The_Subtraction_operator/S11.6.2_A4_T4.js",
assertion: "Operator x - y produces the same result as x + (-y)",
description: "The difference of an infinity and a finite value is equal to infinity of appropriate sign",
test: function testcase() {
//CHECK#1
if (Number.POSITIVE_INFINITY - 1 !== Number.POSITIVE_INFINITY ) {
$ERROR('#1: Infinity - 1 === Infinity. Actual: ' + (Infinity - 1));
}
//CHECK#2
if (-1 - Number.POSITIVE_INFINITY !== Number.NEGATIVE_INFINITY ) {
$ERROR('#2: -1 - Infinity === -Infinity. Actual: ' + (-1 - Infinity));
}
//CHECK#3
if (Number.NEGATIVE_INFINITY - 1 !== Number.NEGATIVE_INFINITY ) {
$ERROR('#3: -Infinity - 1 === -Infinity. Actual: ' + (-Infinity - 1));
}
//CHECK#4
if (-1 - Number.NEGATIVE_INFINITY !== Number.POSITIVE_INFINITY ) {
$ERROR('#4: -1 - -Infinity === Infinity. Actual: ' + (-1 - -Infinity));
}
//CHECK#5
if (Number.POSITIVE_INFINITY - Number.MAX_VALUE !== Number.POSITIVE_INFINITY ) {
$ERROR('#5: Infinity - Number.MAX_VALUE === Infinity. Actual: ' + (Infinity - Number.MAX_VALUE));
}
//CHECK#6
if (-Number.MAX_VALUE - Number.POSITIVE_INFINITY !== Number.NEGATIVE_INFINITY ) {
$ERROR('#6: -Number.MAX_VALUE - Infinity === I-nfinity. Actual: ' + (-Number.MAX_VALUE - Infinity));
}
//CHECK#7
if (Number.NEGATIVE_INFINITY - Number.MAX_VALUE !== Number.NEGATIVE_INFINITY ) {
$ERROR('#7: -Infinity - Number.MAX_VALUE === -Infinity. Actual: ' + (-Infinity - Number.MAX_VALUE));
}
//CHECK#8
if (-Number.MAX_VALUE - Number.NEGATIVE_INFINITY !== Number.POSITIVE_INFINITY ) {
$ERROR('#8: -Number.MAX_VALUE - -Infinity === Infinity. Actual: ' + (-Number.MAX_VALUE - -Infinity));
}
}
});
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