JSTests/test262/test/built-ins/Array/prototype/splice/S15.4.4.12_A1.4_T3.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 positive, use min(deleteCount, length - start)
esid: sec-array.prototype.splice
es5id: 15.4.4.12_A1.4_T3
description: -start > length = deleteCount > 0, itemCount = 0
---*/

var x = [0,1,2,3];
var arr = x.splice(-5,4);

//CHECK#1
arr.getClass = Object.prototype.toString;
if (arr.getClass() !== "[object " + "Array" + "]") {
  $ERROR('#1: var x = [0,1,2,3]; var arr = x.splice(-5,4); arr is Array object. Actual: ' + (arr.getClass()));
}

//CHECK#2
if (arr.length !== 4) {
  $ERROR('#2: var x = [0,1,2,3]; var arr = x.splice(-5,4); arr.length === 4. Actual: ' + (arr.length));
}

//CHECK#3
if (arr[0] !== 0) {
  $ERROR('#3: var x = [0,1,2,3]; var arr = x.splice(-5,4); arr[0] === 0. Actual: ' + (arr[0]));
}

//CHECK#4
if (arr[1] !== 1) {
  $ERROR('#4: var x = [0,1,2,3]; var arr = x.splice(-5,4); arr[1] === 1. Actual: ' + (arr[1]));
}

//CHECK#5
if (arr[2] !== 2) {
  $ERROR('#5: var x = [0,1,2,3]; var arr = x.splice(-5,4); arr[2] === 2. Actual: ' + (arr[2]));
}

//CHECK#6
if (arr[3] !== 3) {
  $ERROR('#6: var x = [0,1,2,3]; var arr = x.splice(-5,4); arr[3] === 3. Actual: ' + (arr[3]));
}

//CHECK#7
if (x.length !== 0) {
  $ERROR('#7: var x = [0,1,2,3]; var arr = x.splice(-5,4); x.length === 0. Actual: ' + (x.length));
}