public void TestGetDisplayName()
        {

            //nominal case - display name already set
            IPolicyObjectCollection<IDataItem> dataItems = new PolicyObjectCollection<IDataItem>();
            dataItems.Add(DataItem.CreateDataItem(new NonTranslateableLanguageItem(""), DataType.String, Enum.GetName(typeof(ConditionUnitFactory.FileHiddenDataType), ConditionUnitFactory.FileHiddenDataType.Field)));
            dataItems.Add(DataItem.CreateDataItem(new NonTranslateableLanguageItem(""), DataType.String, Enum.GetName(typeof(ConditionUnitFactory.FileHiddenDataType), ConditionUnitFactory.FileHiddenDataType.HiddenColumn)));
            IDataElement dataElement = new DataElement(Guid.NewGuid(), new NonTranslateableLanguageItem("name"), new NonTranslateableLanguageItem("This is a preset Display Name"), DataType.StringArray, dataItems);
            ConditionDisplayParameterHiddenData hiddenDataParam = new ConditionDisplayParameterHiddenData(dataElement, this.Callback, null, Workshare.Policy.PolicyType.ClientEmail);
            Assert.AreEqual("Field, Hidden column", hiddenDataParam.GetDisplayName(), "unexpected displayname - displayname should be the same as dataElement");

            //data items in collection
            dataElement.DisplayName.Value = "";
            Assert.AreEqual(0, dataElement.DisplayName.Value.Length, "unexpected dataelement.displayname.value");
            Assert.AreEqual("Field, Hidden column", hiddenDataParam.GetDisplayName(), "unexpected displayname");
            Assert.AreEqual("Field, Hidden column", dataElement.DisplayName.Value, "unexpected dataelement.displayname.value");

            //no data items in collection
            dataItems = new PolicyObjectCollection<IDataItem>();
            dataElement = new DataElement(Guid.NewGuid(), new NonTranslateableLanguageItem("name"), new NonTranslateableLanguageItem(""), DataType.StringArray, dataItems);
            Assert.AreEqual(0, dataElement.DisplayName.Value.Length, "unexpected length on dataelement.displayname.value");
            hiddenDataParam = new ConditionDisplayParameterHiddenData(dataElement, this.Callback, null, Workshare.Policy.PolicyType.ClientEmail);
            Assert.AreEqual(Properties.Resources.IDS_EXPRESSION_PARAM_HIDDENDATA_DEFAULT, hiddenDataParam.GetDisplayName(), "unexpected displayname");
            Assert.AreEqual(Properties.Resources.IDS_EXPRESSION_PARAM_HIDDENDATA_DEFAULT, dataElement.DisplayName.Value, "unexpected length on dataelement.displayname.value");

            //invalid format for data
            dataElement = new DataElement(Guid.NewGuid(), new NonTranslateableLanguageItem("name"), new NonTranslateableLanguageItem(""), DataType.String, DataItem.CreateDataItem(new NonTranslateableLanguageItem(""), DataType.String, Enum.GetName(typeof(ConditionUnitFactory.FileContextType), ConditionUnitFactory.FileContextType.Header)));
            hiddenDataParam = new ConditionDisplayParameterHiddenData(null, this.Callback, null, Workshare.Policy.PolicyType.ClientEmail);
            hiddenDataParam.Object = dataElement;
            try
            {
                string displayName = hiddenDataParam.GetDisplayName();
                Assert.IsTrue(false, "didn't throw on invalid data format");
            }
            catch (PolicyDesignerException)
            {
                Assert.IsTrue(true);
            }
            catch
            {
                Assert.IsTrue(false, "Unexpected exception");
            }

            //no data
            hiddenDataParam = new ConditionDisplayParameterHiddenData(null, this.Callback, null, Workshare.Policy.PolicyType.ClientEmail);
            try
            {
                string displayName = hiddenDataParam.GetDisplayName();
                Assert.IsTrue(false, "didn't throw on empty data");
            }
            catch (PolicyDesignerException)
            {
                Assert.IsTrue(true);
            }
            catch
            {
                Assert.IsTrue(false, "Unexpected exception");
            }
        }
        public void TestConstructor()
        {
            //empty dataElement
            ConditionDisplayParameterHiddenData hiddenDataParam = new ConditionDisplayParameterHiddenData(null, this.Callback, null, Workshare.Policy.PolicyType.ClientEmail);
            Assert.IsTrue(Object.ReferenceEquals(null, hiddenDataParam.Object), "unexpected Object");
            Assert.IsTrue(Properties.Resources.IDS_EXPRESSION_PARAM_HIDDENDATA_DEFAULT == hiddenDataParam.Text, "unexpected Text");

            //nominal case with no display name
            IPolicyObjectCollection<IDataItem> dataItems = new PolicyObjectCollection<IDataItem>();
            dataItems.Add(DataItem.CreateDataItem(new NonTranslateableLanguageItem(""), DataType.String, Enum.GetName(typeof(ConditionUnitFactory.FileHiddenDataType), ConditionUnitFactory.FileHiddenDataType.AttachedTemplate)));
            dataItems.Add(DataItem.CreateDataItem(new NonTranslateableLanguageItem(""), DataType.String, Enum.GetName(typeof(ConditionUnitFactory.FileHiddenDataType), ConditionUnitFactory.FileHiddenDataType.AutoVersion)));
            IDataElement dataElement = new DataElement(Guid.NewGuid(), new NonTranslateableLanguageItem("name"), new NonTranslateableLanguageItem(""), DataType.StringArray, dataItems);
            hiddenDataParam = new ConditionDisplayParameterHiddenData(dataElement, this.Callback, null, Workshare.Policy.PolicyType.ClientEmail);

            Assert.IsTrue(Object.ReferenceEquals(dataElement, hiddenDataParam.Object), "unexpected Object");
            Assert.AreEqual("Attached template, Auto version", hiddenDataParam.Text, "unexpected Text");

            m_callbackCalled = false;
            hiddenDataParam.Execute();

            Assert.IsTrue(m_callbackCalled, "Execute not called");

            //nominal case with display name
            dataElement.DisplayName.Value = "This is a display name";
            hiddenDataParam = new ConditionDisplayParameterHiddenData(dataElement, this.Callback, null, Workshare.Policy.PolicyType.ClientEmail);

            Assert.IsTrue(Object.ReferenceEquals(dataElement, hiddenDataParam.Object), "unexpected Object");
            Assert.AreEqual("Attached template, Auto version", hiddenDataParam.Text, "unexpected Text - displayname should be the same as dataElement");

            m_callbackCalled = false;
            hiddenDataParam.Execute();

            Assert.IsTrue(m_callbackCalled, "Execute not called");

            //invalid format case
            try
            {
                dataElement = new DataElement(Guid.NewGuid(), new NonTranslateableLanguageItem("name"), new NonTranslateableLanguageItem(""), DataType.String, DataItem.CreateDataItem(new NonTranslateableLanguageItem(""), DataType.String, Enum.GetName(typeof(ConditionUnitFactory.FileHiddenDataType), ConditionUnitFactory.FileHiddenDataType.Field)));
                hiddenDataParam = new ConditionDisplayParameterHiddenData(dataElement, this.Callback, null, Workshare.Policy.PolicyType.ClientEmail);
                Assert.IsTrue(false, "Didnt throw on invalid dataelement");
            }
            catch (PolicyDesignerException)
            {
                Assert.IsTrue(true);
            }
            catch
            {
                Assert.IsTrue(false, "unexpected exception thrown");
            }
        }