1 files changed, 86 insertions, 0 deletions
diff --git a/basic/qa/vba_tests/cdec.vb b/basic/qa/vba_tests/cdec.vb
new file mode 100644
index 000000000..af919a7cb
--- /dev/null
+++ b/basic/qa/vba_tests/cdec.vb
@@ -0,0 +1,86 @@
+Option VBASupport 1
+Option Explicit
+Dim passCount As Integer
+Dim failCount As Integer
+Dim result As String
+
+Function doUnitTest() As String
+result = verify_testCDec()
+If failCount <> 0 Or passCount = 0 Then
+    doUnitTest = result
+Else
+    doUnitTest = "OK"
+End If
+End Function
+
+Function verify_testCDec() as String
+    passCount = 0
+    failCount = 0
+
+    result = "Test Results" & Chr$(10) & "============" & Chr$(10)
+
+    Dim testName As String
+    Dim ret As Double
+    testName = "Test CDec function"
+    On Error GoTo errorHandler
+
+    ret = CDec("")
+    TestLog_ASSERT ret = 0, "Empty string test:" & ret
+
+    ret = CDec("1234")
+    TestLog_ASSERT ret = 1234, "Simple number:" & ret
+
+    ret = CDec("  1234  ")
+    TestLog_ASSERT ret = 1234, "Simple number with whitespaces:" & ret
+
+    ret = CDec("-1234")
+    TestLog_ASSERT ret = -1234, "Simple negative number:" & ret
+
+    ret = CDec(" - 1234 ")
+    TestLog_ASSERT ret = -1234, "Simple negative number with whitespaces:" & ret
+
+    '''''''''''''''
+    ' Those are erroneous, see i#64348
+    ret = CDec("1234-")
+    TestLog_ASSERT ret = -1234, "Wrong negative number1:" & ret
+
+    ret = CDec("  1234  -")
+    TestLog_ASSERT ret = -1234, "Wrong negative number2:" & ret
+
+    'ret = CDec("79228162514264300000000000001")
+    'TestLog_ASSERT ret = 79228162514264300000000000001, "Very long number1:" & ret
+    'ret = ret+1
+    'TestLog_ASSERT ret = 79228162514264300000000000002, "Very long number2:" & ret
+
+    ret = CDec("79228162514264400000000000000")
+    TestLog_ASSERT ret = 62406456049664, "Very long number3:" & ret
+
+    ret = CDec("79228162514264340000000000000") ' gives zero
+    TestLog_ASSERT ret = 0, "Very long number4:" & ret
+
+    result = result & Chr$(10) & "Tests passed: " & passCount & Chr$(10) & "Tests failed: " & failCount & Chr$(10)
+    verify_testCDec = result
+
+    Exit Function
+errorHandler:
+        TestLog_ASSERT (False), testName & ": hit error handler"
+End Function
+
+Sub TestLog_ASSERT(assertion As Boolean, Optional testId As String, Optional testComment As String)
+
+    If assertion = True Then
+        passCount = passCount + 1
+    Else
+        Dim testMsg As String
+        If Not IsMissing(testId) Then
+            testMsg = testMsg + " : " + testId
+        End If
+        If Not IsMissing(testComment) And Not (testComment = "") Then
+            testMsg = testMsg + " (" + testComment + ")"
+        End If
+
+        result = result & Chr$(10) & " Failed: " & testMsg
+        failCount = failCount + 1
+    End If
+
+End Sub