mirror of
https://github.com/tc39/test262.git
synced 2025-08-29 05:48:28 +02:00
42 lines
1.3 KiB
JavaScript
42 lines
1.3 KiB
JavaScript
// Copyright 2009 the Sputnik authors. All rights reserved.
|
|
// This code is governed by the BSD license found in the LICENSE file.
|
|
|
|
/**
|
|
* When the concat method is called with zero or more arguments item1, item2,
|
|
* etc., it returns an array containing the array elements of the object followed by
|
|
* the array elements of each argument in order
|
|
*
|
|
* @path ch15/15.4/15.4.4/15.4.4.4/S15.4.4.4_A1_T4.js
|
|
* @description Checking this algorithm, items are [], [,]
|
|
*/
|
|
|
|
var x = [,1];
|
|
var arr = x.concat([], [,]);
|
|
|
|
//CHECK#0
|
|
arr.getClass = Object.prototype.toString;
|
|
if (arr.getClass() !== "[object " + "Array" + "]") {
|
|
$ERROR('#0: var x = [,1]; var arr = x.concat([], [,]); arr is Array object. Actual: ' + (arr.getClass()));
|
|
}
|
|
|
|
//CHECK#1
|
|
if (arr[0] !== undefined) {
|
|
$ERROR('#1: var x = [,1]; var arr = x.concat([], [,]); arr[0] === undefined. Actual: ' + (arr[0]));
|
|
}
|
|
|
|
//CHECK#2
|
|
if (arr[1] !== 1) {
|
|
$ERROR('#2: var x = [,1]; var arr = x.concat([], [,]); arr[1] === 1. Actual: ' + (arr[1]));
|
|
}
|
|
|
|
//CHECK#2
|
|
if (arr[2] !== undefined) {
|
|
$ERROR('#2: var x = [,1]; var arr = x.concat([], [,]); arr[2] === undefined. Actual: ' + (arr[2]));
|
|
}
|
|
|
|
//CHECK#4
|
|
if (arr.length !== 3) {
|
|
$ERROR('#4: var x = [,1]; var arr = x.concat([], [,]); arr.length === 3. Actual: ' + (arr.length));
|
|
}
|
|
|