add VBA test cases

tests:  ISARRAY, ISDATE, ISEMPTY, ISERROR, ISMISSING,
ISNULL, ISNUMERIC, ISOBJECT, JOIN, LBOUND, LCASE

Change-Id: I0b0dacd0d62bf00680f33866ce7ec0152eec27e0
Reviewed-on: https://gerrit.libreoffice.org/36509
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Zdenek Crhonek <zcrhonek@gmail.com>

1 files changed, 75 insertions, 0 deletions

diff --git a/basic/qa/vba_tests/ismissing.vb b/basic/qa/vba_tests/ismissing.vb
new file mode 100644
index 000000000000..36d2f746f985
--- /dev/null
+++ b/basic/qa/vba_tests/ismissing.vb
@@ -0,0 +1,75 @@
+Option VBASupport 1
+Option Explicit
+Dim passCount As Integer
+Dim failCount As Integer
+Dim result As String
+
+Function doUnitTest() As String
+result = verify_testIsMissing()
+If failCount <> 0 And passCount > 0 Then
+    doUnitTest = result
+Else
+    doUnitTest = "OK"
+End If
+End Function
+
+
+
+Function verify_testIsMissing() As String
+
+    passCount = 0
+    failCount = 0
+
+    result = "Test Results" & Chr$(10) & "============" & Chr$(10)
+
+    Dim testName As String
+    Dim TestDateTime As Date
+    Dim TestStr As String
+    Dim date1, date2
+    testName = "Test IsMissing function"
+    On Error GoTo errorHandler
+
+    date2 = Null
+    date1 = ReturnTwice()
+    TestLog_ASSERT IsNull(date1), "the return IsMissing is: " & date1
+
+    date2 = 4
+    date1 = ReturnTwice(2)
+    TestLog_ASSERT date1 = date2, "the return IsMissing is: " & date1
+
+    result = result & Chr$(10) & "Tests passed: " & passCount & Chr$(10) & "Tests failed: " & failCount & Chr$(10)
+    verify_testIsMissing = result
+
+    Exit Function
+errorHandler:
+        TestLog_ASSERT (False), testName & ": hit error handler"
+End Function
+
+Sub TestLog_ASSERT(assertion As Boolean, Optional testId As String, Optional testComment As String)
+
+    If assertion = True Then
+        passCount = passCount + 1
+    Else
+        Dim testMsg As String
+        If Not IsMissing(testId) Then
+            testMsg = testMsg + " : " + testId
+        End If
+        If Not IsMissing(testComment) And Not (testComment = "") Then
+            testMsg = testMsg + " (" + testComment + ")"
+        End If
+
+        result = result & Chr$(10) & " Failed: " & testMsg
+        failCount = failCount + 1
+    End If
+
+End Sub
+' Function procedure definition.
+Function ReturnTwice(Optional A)
+    If IsMissing(A) Then
+        ' If argument is missing, return a Null.
+        ReturnTwice = Null
+    Else
+        ' If argument is present, return twice the value.
+        ReturnTwice = A * 2
+    End If
+End Function