Clear() public method

Clears the IDateRangeComboBox of its value
public Clear ( ) : void
return void
 public void Test_ClearFilterClause_ShouldDoNothing()
 {
     //---------------Set up test pack-------------------
     string propertyName = TestUtil.GetRandomString();
     const FilterClauseOperator filterClauseOperator = FilterClauseOperator.OpGreaterThan;
     const string filterValue = "constantValue";
     StringStaticFilter filter = new StringStaticFilter(propertyName, filterClauseOperator, filterValue);
     //---------------Assert Precondition----------------
     IFilterClause filterClause = filter.GetFilterClause(new DataViewFilterClauseFactory());
     Assert.AreEqual(string.Format("{0} > '{1}'", propertyName, filterValue), filterClause.GetFilterClauseString()); 
     //---------------Execute Test ----------------------
     filter.Clear();
     //---------------Test Result -----------------------
     filterClause = filter.GetFilterClause(new DataViewFilterClauseFactory());
     Assert.AreEqual(string.Format("{0} > '{1}'", propertyName, filterValue), filterClause.GetFilterClauseString()); 
 }