Sub TSTestsCoveringReqs ( _
        theTestSet As TestSet, Req1 As Req)
' Getting those test instances that do, and those that do not, cover a requirement

' This example demonstrates using a filter to find
' those test instances of a given test set that cover
' a given requirement, and then to find the the test
' instances that do not cover that requirement.
    On Error GoTo RQTest_Err
    Dim TestInstFilter As TDFilter, xFilter As TDFilter
    Dim aStr$
' Create the first clause of the filter
'   Get the test instances that belong
'   to the test set passed to this routine.
' No filter fields are specified, so all the test instances
'   of the test set are included.
    Dim testInstanceF As TSTestFactory
    Set testInstanceF = theTestSet.TSTestFactory
    Set TestInstFilter = testInstanceF.Filter
    aStr = TestInstFilter.GetXFilter("TSTEST-REQ", True)
    Debug.Print aStr
    aStr = TestInstFilter.GetXFilter("TSTEST-REQ", False)
    Debug.Print aStr
'
' Create the second clause of the filter: The set of
'   requirements containing the single requirement
'   passed to the routine.
    Dim reqF As ReqFactory
    Set reqF = tdc.ReqFactory ' tdc is the TDConnection object.
    Set xFilter = reqF.Filter
    xFilter.Filter("RQ_REQ_NAME") = Req1.name

' Now combine the two, creating the join criteria:
' Main clause: Get all the test instances of the given test set.
' Second clause: Get the Req objects where the name
' is "Req1".
'  The result: Get all test instances in the given test set
'    that are associated with (cover)the given requirement.
    TestInstFilter.SetXFilter "TSTEST-REQ", True, xFilter.Text
'    Debug.Print
'    Debug.Print "TestInstFilter.Text after xFilter set: "
'    Debug.Print TestInstFilter.Text
'
'        TestInstFilter.Text after xFilter set:
'        [Filter]{
'        FLT:[X],
'        TYPE:TSTEST-REQ,
'        EXISTS_IN_IDS:Y,
'        IN_IDS:\0000006a\[Filter]{
'        TableName:REQ,
'        ColumnName:RQ_REQ_NAME,
'        LogicalFilter:Req1,
'        VisualFilter:Req1,
'        NO_CASE:
'        }
'
'        }
' Output the results.

    aStr = TestInstFilter.GetXFilter("TSTEST-REQ", True)
    Debug.Print "Inclusive is True:"
    Debug.Print aStr
    aStr = TestInstFilter.GetXFilter("TSTEST-REQ", False)
    Debug.Print "--------------------------------------"
    Debug.Print "Inclusive is False:"
    Debug.Print aStr

    
    Dim aList As List, ListMember As Variant, tmpinstance As TSTest
    Set aList = testInstanceF.NewList(TestInstFilter.Text)
    For Each ListMember In aList
        Set tmpinstance = ListMember
        Debug.Print tmpinstance.name
    Next
'    [1] Test_1
'    [1] Test_3
'    [2] Test_1
'
' Now use the same criteria, but set the "Inclusive" argument
'   of SetXFilter to False.
' The filter now means: Get all the test instances of the
' test set that do NOT cover the specified requirement.
    TestInstFilter.SetXFilter "TSTEST-REQ", False, xFilter.Text
    Debug.Print "--------------------------------------"
    Debug.Print "TestInstFilter.Text:"
    Debug.Print TestInstFilter.Text
    Debug.Print
    Debug.Print "--------------------------------------"
    aStr = TestInstFilter.GetXFilter("TSTEST-REQ", True)
    Debug.Print "Inclusive is True:"
    Debug.Print aStr
    aStr = TestInstFilter.GetXFilter("TSTEST-REQ", False)
    Debug.Print "--------------------------------------"
    Debug.Print "Inclusive is False:"
    Debug.Print aStr


    Set aList = testInstanceF.NewList(TestInstFilter.Text)
    For Each ListMember In aList
        Set tmpinstance = ListMember
        Debug.Print tmpinstance.name
    Next
'    [1] Test_2
'    [1] Test_4
'    [2] Test_4
    
    
    Debug.Print "--------------------------------------"
    aStr = TestInstFilter.GetXFilter("TSTEST-REQ", True)
    Debug.Print "Inclusive is True:"
    Debug.Print aStr
    
    ' Note:
    'Using the XFilter property (in ITDFilter interface) is equivalent
    'to calling SetXFilter with the value TRUE for the parameter InIds.
    
    '
    ' To get all tests that do NOT have instances in test set that begin with
    ' MyTestSet (negative filter):
    ' 1.  Get TDFilter object from TestFactory.
    ' 2.  Call (remember it's a pseudo code) SetXFilter with the parameters
    '     "TEST-TESTSET",FALSE, and text representation of the filter test
'     set name =  MyTestSet*.
Exit Sub
RQTest_Err:
    ErrHandler err, "Req_TestInstance_Coverage", err.Description
End Sub