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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_A3_T2.4;
* @section: 11.6.2;
* @assertion: Operator x - y returns ToNumber(x) - ToNumber(y);
* @description: Type(x) is different from Type(y) and both types vary between Number (primitive or object) and Undefined;
*/
// Converted for Test262 from original Sputnik source
ES5Harness.registerTest( {
id: "S11.6.2_A3_T2.4",
path: "TestCases/11_Expressions/11.6_Additive_Operators/11.6.2_The_Subtraction_operator/S11.6.2_A3_T2.4.js",
assertion: "Operator x - y returns ToNumber(x) - ToNumber(y)",
description: "Type(x) is different from Type(y) and both types vary between Number (primitive or object) and Undefined",
test: function testcase() {
//CHECK#1
if (isNaN(1 - undefined) !== true) {
$ERROR('#1: 1 - undefined === Not-a-Number. Actual: ' + (1 - undefined));
}
//CHECK#2
if (isNaN(undefined - 1) !== true) {
$ERROR('#2: undefined - 1 === Not-a-Number. Actual: ' + (undefined - 1));
}
//CHECK#3
if (isNaN(new Number(1) - undefined) !== true) {
$ERROR('#3: new Number(1) - undefined === Not-a-Number. Actual: ' + (new Number(1) - undefined));
}
//CHECK#4
if (isNaN(undefined - new Number(1)) !== true) {
$ERROR('#4: undefined - new Number(1) === Not-a-Number. Actual: ' + (undefined - new Number(1)));
}
}
});
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