windows-server-2003/admin/wmi/wbem/scripting/test/jscript/emptyarray.js

//***************************************************************************
//This script tests the inspection of empty arrays on properties, qualifiers
//and value sets
//***************************************************************************
var Service = GetObject("winmgmts:root/default");
var MyClass = Service.Get();
MyClass.Path_.Class = "EMPTYARRAYTEST00";

//*************************
//CASE 1: Property values
//*************************
var Property = MyClass.Properties_.Add ("p1", 2, true);
Property.Value = new Array ();
var arrayValue = new VBArray (MyClass.Properties_("p1").Value).toArray ();
WScript.Echo ("Array length for property value is [0]:", arrayValue.length);
WScript.Echo ("Base CIM property type is [2]", Property.CIMType);
WScript.Echo ();

//*************************
//CASE 2: Qualifier values
//*************************
MyClass.Qualifiers_.Add ("q1", Array);
arrayValue = new VBArray (MyClass.Qualifiers_("q1").Value).toArray ();
WScript.Echo ("Array length for qualifier value is [0]:", arrayValue.length);
WScript.Echo (); 

MyClass.Put_();

//Now read them back and assign "real values"
var MyClass = Service.Get("EMPTYARRAYTEST00");
MyClass.Properties_("p1").Value = new Array (12, 34, 56);
arrayValue = new VBArray (MyClass.Properties_("p1").Value).toArray ();
WScript.Echo ("Array length for property value is [3]:", arrayValue.length);
WScript.Echo ("Base CIM property type is [2]", Property.CIMType);
WScript.Echo ();

MyClass.Properties_("p1").Value = new Array ();
var arrayValue = new VBArray (MyClass.Properties_("p1").Value).toArray ();
WScript.Echo ("Array length for property value is [0]:", arrayValue.length);
WScript.Echo ("Base CIM property type is [2]", Property.CIMType);
WScript.Echo ();

MyClass.Qualifiers_("q1").Value = new Array ("Hello", "World");
arrayValue = new VBArray (MyClass.Qualifiers_("q1").Value).toArray ();
WScript.Echo ("Array length for qualifier value is [2]:", arrayValue.length);
WScript.Echo (); 

MyClass.Qualifiers_("q1").Value = new Array ();
arrayValue = new VBArray (MyClass.Qualifiers_("q1").Value).toArray ();
WScript.Echo ("Array length for qualifier value is [0]:", arrayValue.length);
WScript.Echo (); 

MyClass.Put_ ();

//*************************
//CASE 3:Named Values
//*************************
var NValueSet = new ActiveXObject("WbemScripting.SWbemNamedValueSet");
var NValue = NValueSet.Add ("Foo", new Array ());
var arrayValue = new VBArray (NValueSet("Foo").Value).toArray ();
WScript.Echo ("Array length for named value is [0]:", arrayValue.length);