1 files changed, 83 insertions, 0 deletions
diff --git a/basic/qa/vba_tests/formatnumber.vb b/basic/qa/vba_tests/formatnumber.vb
new file mode 100644
index 000000000..357fd1942
--- /dev/null
+++ b/basic/qa/vba_tests/formatnumber.vb
@@ -0,0 +1,83 @@
+Option VBASupport 1
+Option Explicit
+
+Dim passCount As Integer
+Dim failCount As Integer
+Dim result As String
+
+Function doUnitTest() As String
+result = verify_testFormatNumber()
+If failCount <> 0 Or passCount = 0 Then
+    doUnitTest = result
+Else
+    doUnitTest = "OK"
+End If
+End Function
+
+Function verify_testFormatNumber() As String
+
+    passCount = 0
+    failCount = 0
+
+    result = "Test Results" & Chr$(10) & "============" & Chr$(10)
+
+    Dim testName As String
+    Dim str1 As String, str2 As String
+    On Error GoTo errorHandler
+
+    testName = "Test 1: positive, 2 decimals"
+    str2 = "12.20"
+    str1 = FormatNumber("12.2", 2, vbFalse, vbFalse, vbFalse)
+    TestLog_ASSERT str1 = str2, testName, "FormatNumber returned: " & str1
+
+    testName = "Test 2: negative, 20 decimals, use leading zero"
+    str2 = "-0.20000000000000000000"
+    str1 = FormatNumber("-.2", 20, vbTrue, vbFalse, vbFalse)
+    TestLog_ASSERT str1 = str2, testName, "FormatNumber returned: " & str1
+
+    testName = "Test 3: negative, 20 decimals, no leading zero"
+    str2 = "-.20000000000000000000"
+    str1 = FormatNumber("-0.2", 20, vbFalse, vbFalse, vbFalse)
+    TestLog_ASSERT str1 = str2, testName, "FormatNumber returned: " & str1
+
+    testName = "Test 4: negative, no leading zero, use parens"
+    str2 = "(.20)"
+    str1 = FormatNumber("-0.2", -1, vbFalse, vbTrue, vbFalse)
+    TestLog_ASSERT str1 = str2, testName, "FormatNumber returned: " & str1
+
+    testName = "Test 5: negative, default leading zero, use parens"
+    str2 = "(0.20)"
+    str1 = FormatNumber("-0.2", -1, vbUseDefault, vbTrue, vbFalse)
+    TestLog_ASSERT str1 = str2, testName, "FormatNumber returned: " & str1
+
+    testName = "Test 6: group digits"
+    str2 = "-12,345,678.00"
+    str1 = FormatNumber("-12345678", -1, vbUseDefault, vbUseDefault, vbTrue)
+    TestLog_ASSERT str1 = str2, testName, "FormatNumber returned: " & str1
+
+    result = result & Chr$(10) & "Tests passed: " & passCount & Chr$(10) & "Tests failed: " & failCount & Chr$(10)
+    verify_testFormatNumber = result
+
+    Exit Function
+errorHandler:
+    TestLog_ASSERT False, testName & ": hit error handler"
+End Function
+
+Sub TestLog_ASSERT(assertion As Boolean, Optional testId As String, Optional testComment As String)
+
+    If assertion = True Then
+        passCount = passCount + 1
+    Else
+        Dim testMsg As String
+        If Not IsMissing(testId) Then
+            testMsg = testId & " "
+        End If
+        If Not IsMissing(testComment) And Not (testComment = "") Then
+            testMsg = testMsg + "(" + testComment + ")"
+        End If
+
+        result = result & Chr$(10) & " Failed: " & testMsg
+        failCount = failCount + 1
+    End If
+
+End Sub