VBA tests - add CSNG, CSTR test case

Change-Id: I5e9bc24bb89cc634a3c01e8c8b23a19927e7010c
Reviewed-on: https://gerrit.libreoffice.org/35341
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Zdenek Crhonek <zcrhonek@gmail.com>

basic/qa/cppunit/test_vba.cxx

@@ -67,6 +67,8 @@ void VBATest::testMiscVBAFunctions()
         "cos.vb",
         "cint.vb",
         "clng.vb",
+        "csng.vb",
+        "cstr.vb",
 #ifndef WIN32 // missing 64bit Currency marshalling.
         "win32compat.vb", // windows compatibility hooks.
 #endif

basic/qa/vba_tests/csng.vb

@@ -0,0 +1,73 @@
+Option VBASupport 1
+Option Explicit
+Dim passCount As Integer
+Dim failCount As Integer
+Dim result As String
+
+Function doUnitTest() As String
+result = verify_testCSng()
+If failCount <> 0 And passCount > 0 Then
+    doUnitTest = result
+Else
+    doUnitTest = "OK"
+End If
+End Function
+
+
+
+Function verify_testCSng() 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 nr1, nr2 As Single   'variables for test
+    Dim nr3 As Double
+
+    testName = "Test CSng function"
+    On Error GoTo errorHandler
+
+    nr2 = 8.534535408
+    nr1 = CSng(8.534535408)
+    TestLog_ASSERT nr1 = nr2, "the return CSng is: " & nr1
+
+    nr3 = 100.1234
+    nr2 = 100.1234
+    nr1 = CSng(nr3)
+    TestLog_ASSERT nr1 = nr2, "the return CSng is: " & nr1
+
+    nr2 = 0
+    nr1 = CSng(0)
+    TestLog_ASSERT nr1 = nr2, "the return CSng is: " & nr1
+
+    result = result & Chr$(10) & "Tests passed: " & passCount & Chr$(10) & "Tests failed: " & failCount & Chr$(10)
+    verify_testCSng = result
+
+    Exit Function
+errorHandler:
+        TestLog_ASSERT (False), testName & ": hit error handler"
+End Function
+
+Sub TestLog_ASSERT(assertion As Boolean, Optional testId As String, Optional testComment As String)
+
+    If assertion = True Then
+        passCount = passCount + 1
+    Else
+        Dim testMsg As String
+        If Not IsMissing(testId) Then
+            testMsg = testMsg + " : " + testId
+        End If
+        If Not IsMissing(testComment) And Not (testComment = "") Then
+            testMsg = testMsg + " (" + testComment + ")"
+        End If
+
+        result = result & Chr$(10) & " Failed: " & testMsg
+        failCount = failCount + 1
+    End If
+
+End Sub
+

basic/qa/vba_tests/cstr.vb

@@ -0,0 +1,67 @@
+Option VBASupport 1
+Option Explicit
+Dim passCount As Integer
+Dim failCount As Integer
+Dim result As String
+
+Function doUnitTest() As String
+result = verify_testCStr()
+If failCount <> 0 And passCount > 0 Then
+    doUnitTest = result
+Else
+    doUnitTest = "OK"
+End If
+End Function
+
+
+
+Function verify_testCStr() As String
+
+    passCount = 0
+    failCount = 0
+
+    result = "Test Results" & Chr$(10) & "============" & Chr$(10)
+
+    Dim testName As String
+    Dim TestDateTime As Date
+    Dim str2, str3
+    Dim str1 As String   'variables for test
+    testName = "Test CStr function"
+    On Error GoTo errorHandler
+
+    str3 = 437.324
+    str2 = "437.324"
+    str1 = CStr(str3)
+    TestLog_ASSERT str1 = str2, "the return CStr is: " & str1
+
+    str2 = "500"
+    str1 = CStr(500)
+    TestLog_ASSERT str1 = str2, "the return CStr is: " & str1
+
+    result = result & Chr$(10) & "Tests passed: " & passCount & Chr$(10) & "Tests failed: " & failCount & Chr$(10)
+    verify_testCStr = result
+
+    Exit Function
+errorHandler:
+        TestLog_ASSERT (False), testName & ": hit error handler"
+End Function
+
+Sub TestLog_ASSERT(assertion As Boolean, Optional testId As String, Optional testComment As String)
+
+    If assertion = True Then
+        passCount = passCount + 1
+    Else
+        Dim testMsg As String
+        If Not IsMissing(testId) Then
+            testMsg = testMsg + " : " + testId
+        End If
+        If Not IsMissing(testComment) And Not (testComment = "") Then
+            testMsg = testMsg + " (" + testComment + ")"
+        End If
+
+        result = result & Chr$(10) & " Failed: " & testMsg
+        failCount = failCount + 1
+    End If
+
+End Sub
+