JSTests/test262/test/built-ins/Array/prototype/splice/S15.4.4.12_A1.2_T5.js

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

/*---
info: |
    If start is negative, use max(start + length, 0).
    If deleteCount is negative, use 0
esid: sec-array.prototype.splice
es5id: 15.4.4.12_A1.2_T5
description: start < -length < deleteCount < 0, itemCount > 0
---*/

var x = [0,1];
var arr = x.splice(-3,-1,2,3);

//CHECK#0
arr.getClass = Object.prototype.toString;
if (arr.getClass() !== "[object " + "Array" + "]") {
  $ERROR('#0: var x = [0,1]; var arr = x.splice(-3,-1,2,3); arr is Array object. Actual: ' + (arr.getClass()));
}

//CHECK#1
if (arr.length !== 0) {
  $ERROR('#1: var x = [0,1]; var arr = x.splice(-3,-1,2,3); arr.length === 0. Actual: ' + (arr.length));
}

//CHECK#2
if (x.length !== 4) {
  $ERROR('#2: var x = [0,1]; var arr = x.splice(-3,-1,2,3); x.length === 4. Actual: ' + (x.length));
}

//CHECK#3
if (x[0] !== 2) {
  $ERROR('#3: var x = [0,1]; var arr = x.splice(-3,-1,2,3); x[0] === 2. Actual: ' + (x[0]));
}

//CHECK#4
if (x[1] !== 3) {
  $ERROR('#4: var x = [0,1]; var arr = x.splice(-3,-1,2,3); x[1] === 3. Actual: ' + (x[1]));
}

//CHECK#5
if (x[2] !== 0) {
  $ERROR('#5: var x = [0,1]; var arr = x.splice(-3,-1,2,3); x[2] === 0. Actual: ' + (x[2]));
}

//CHECK#6
if (x[3] !== 1) {
  $ERROR('#6: var x = [0,1]; var arr = x.splice(-3,-1,2,3); x[3] === 1. Actual: ' + (x[3]));
}