Impressum test_ismissing_basic.bas
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' This file is part of the LibreOffice project.
'
' This Source Code Form is subject to the terms of the Mozilla Public
' License, v. 2.0. If a copy of the MPL was not distributed with this
' file, You can obtain one at http://mozilla.org/MPL/2.0/.
'
Const IsMissingNone = -1
Const IsMissingA = 0
Const IsMissingB = 1
Const IsMissingAB = 2
Option Explicit
Function doUnitTest() As String
TestUtil.TestInit
verify_testIsMissingBasic
doUnitTest = TestUtil.GetResult()
End Function
' tdf#36737 - Test optionals with different datatypes. In LO Basic, optional
' parameters are allowed, but without any default values. Missing optional parameters
' will not be initialized to their respective default values of its datatype, either.
Sub verify_testIsMissingBasic()
On Error GoTo errorHandler
' optionals with variant datatypes
TestUtil.AssertEqual(TestOptVariant(), IsMissingAB, "TestOptVariant()")
TestUtil.AssertEqual(TestOptVariant(123), IsMissingB, "TestOptVariant(123)")
TestUtil.AssertEqual(TestOptVariant(, 456), IsMissingA, "TestOptVariant(, 456)")
TestUtil.AssertEqual(TestOptVariant(123, 456), IsMissingNone, "TestOptVariant(123, 456)")
' optionals with variant datatypes (ByRef and ByVal)
TestUtil.AssertEqual(TestOptVariantByRefByVal(), IsMissingAB, "TestOptVariantByRefByVal()")
TestUtil.AssertEqual(TestOptVariantByRefByVal(123), IsMissingB, "TestOptVariantByRefByVal(123)")
TestUtil.AssertEqual(TestOptVariantByRefByVal(, 456), IsMissingA, "TestOptVariantByRefByVal(, 456)")
TestUtil.AssertEqual(TestOptVariantByRefByVal(123, 456), IsMissingNone, "TestOptVariantByRefByVal(123, 456)")
' optionals with double datatypes
TestUtil.AssertEqual(TestOptDouble(), IsMissingAB, "TestOptDouble()")
TestUtil.AssertEqual(TestOptDouble(123.4), IsMissingB, "TestOptDouble(123.4)")
TestUtil.AssertEqual(TestOptDouble(, 567.8), IsMissingA, "TestOptDouble(, 567.8)")
TestUtil.AssertEqual(TestOptDouble(123.4, 567.8), IsMissingNone, "TestOptDouble(123.4, 567.8)")
' optionals with double datatypes (ByRef and ByVal)
TestUtil.AssertEqual(TestOptDoubleByRefByVal(), IsMissingAB, "TestOptDouble()")
TestUtil.AssertEqual(TestOptDoubleByRefByVal(123.4), IsMissingB, "TestOptDouble(123.4)")
TestUtil.AssertEqual(TestOptDoubleByRefByVal(, 567.8), IsMissingA, "TestOptDoubleByRefByVal(, 567.8)")
TestUtil.AssertEqual(TestOptDoubleByRefByVal(123.4, 567.8), IsMissingNone, "TestOptDoubleByRefByVal(123.4, 567.8)")
' optionals with integer datatypes
TestUtil.AssertEqual(TestOptInteger(), IsMissingAB, "TestOptInteger()")
TestUtil.AssertEqual(TestOptInteger(123), IsMissingB, "TestOptInteger(123)")
TestUtil.AssertEqual(TestOptInteger(, 456), IsMissingA, "TestOptInteger(, 456)")
TestUtil.AssertEqual(TestOptInteger(123, 456), IsMissingNone, "TestOptInteger(123, 456)")
' optionals with integer datatypes (ByRef and ByVal)
TestUtil.AssertEqual(TestOptIntegerByRefByVal(), IsMissingAB, "TestOptIntegerByRefByVal()")
TestUtil.AssertEqual(TestOptIntegerByRefByVal(123), IsMissingB, "TestOptIntegerByRefByVal(123)")
TestUtil.AssertEqual(TestOptIntegerByRefByVal(, 456), IsMissingA, "TestOptIntegerByRefByVal(, 456)")
TestUtil.AssertEqual(TestOptIntegerByRefByVal(123, 456), IsMissingNone, "TestOptIntegerByRefByVal(123, 456)")
' optionals with string datatypes
TestUtil.AssertEqual(TestOptString(), IsMissingAB, "TestOptString()")
TestUtil.AssertEqual(TestOptString("123"), IsMissingB, "TestOptString(""123"")")
TestUtil.AssertEqual(TestOptString(, "456"), IsMissingA, "TestOptString(, ""456"")")
TestUtil.AssertEqual(TestOptString("123", "456"), IsMissingNone, "TestOptString(""123"", ""456"")")
' optionals with string datatypes (ByRef and ByVal)
TestUtil.AssertEqual(TestOptStringByRefByVal(), IsMissingAB, "TestOptStringByRefByVal()")
TestUtil.AssertEqual(TestOptStringByRefByVal("123"), IsMissingB, "TestOptStringByRefByVal(""123"")")
TestUtil.AssertEqual(TestOptStringByRefByVal(, "456"), IsMissingA, "TestOptStringByRefByVal(, ""456"")")
TestUtil.AssertEqual(TestOptStringByRefByVal("123", "456"), IsMissingNone, "TestOptStringByRefByVal(""123"", ""456"")")
' optionals with object datatypes
Dim cA As New Collection
cA.Add (123)
cA.Add (456)
Dim cB As New Collection
cB.Add (123.4)
cB.Add (567.8)
TestUtil.AssertEqual(TestOptObject(), IsMissingAB, "TestOptObject()")
TestUtil.AssertEqual(TestOptObject(cA), IsMissingB, "TestOptObject(A)")
TestUtil.AssertEqual(TestOptObject(, cB), IsMissingA, "TestOptObject(, B)")
TestUtil.AssertEqual(TestOptObject(cA, cB), IsMissingNone, "TestOptObject(A, B)")
' optionals with object datatypes (ByRef and ByVal)
TestUtil.AssertEqual(TestOptObjectByRefByVal(), IsMissingAB, "TestOptObjectByRefByVal()")
TestUtil.AssertEqual(TestOptObjectByRefByVal(cA), IsMissingB, "TestOptObjectByRefByVal(A)")
TestUtil.AssertEqual(TestOptObjectByRefByVal(, cB), IsMissingA, "TestOptObjectByRefByVal(, B)")
TestUtil.AssertEqual(TestOptObjectByRefByVal(cA, cB), IsMissingNone, "TestOptObjectByRefByVal(A, B)")
' optionals with array datatypes
Dim aA(0 To 1) As Integer
aA(0) = 123
aA(1) = 456
Dim aB(0 To 1) As Variant
aB(0) = 123.4
aB(1) = 567.8
TestUtil.AssertEqual(TestOptArray(), IsMissingAB, "TestOptArray()")
TestUtil.AssertEqual(TestOptArray(aA), IsMissingB, "TestOptArray(A)")
TestUtil.AssertEqual(TestOptArray(, aB), IsMissingA, "TestOptArray(, B)")
TestUtil.AssertEqual(TestOptArray(aA, aB), IsMissingNone, "TestOptArray(A, B)")
' optionals with array datatypes (ByRef and ByVal)
TestUtil.AssertEqual(TestOptArrayByRefByVal(), IsMissingAB, "TestOptArrayByRefByVal()")
TestUtil.AssertEqual(TestOptArrayByRefByVal(aA), IsMissingB, "TestOptArrayByRefByVal(A)")
TestUtil.AssertEqual(TestOptArrayByRefByVal(, aB), IsMissingA, "TestOptArrayByRefByVal(, B)")
TestUtil.AssertEqual(TestOptArrayByRefByVal(aA, aB), IsMissingNone, "TestOptArrayByRefByVal(A, B)")
Exit Sub
errorHandler:
TestUtil.ReportErrorHandler("verify_testIsMissingBasic", Err, Error$, Erl)
End Sub
Function TestOptVariant(Optional A, Optional B As Variant)
TestOptVariant = WhatIsMissing(IsMissing(A), IsMissing(B))
End Function
Function TestOptVariantByRefByVal(Optional ByRef A, Optional ByVal B As Variant)
TestOptVariantByRefByVal = WhatIsMissing(IsMissing(A), IsMissing(B))
End Function
Function TestOptDouble(Optional A As Double, Optional B As Double)
TestOptDouble = WhatIsMissing(IsMissing(A), IsMissing(B))
End Function
Function TestOptDoubleByRefByVal(Optional ByRef A As Double, Optional ByVal B As Double)
TestOptDoubleByRefByVal = WhatIsMissing(IsMissing(A), IsMissing(B))
End Function
Function TestOptInteger(Optional A As Integer, Optional B As Integer)
TestOptInteger = WhatIsMissing(IsMissing(A), IsMissing(B))
End Function
Function TestOptIntegerByRefByVal(Optional ByRef A As Integer, Optional ByVal B As Integer)
TestOptIntegerByRefByVal = WhatIsMissing(IsMissing(A), IsMissing(B))
End Function
Function TestOptString(Optional A As String, Optional B As String)
TestOptString = WhatIsMissing(IsMissing(A), IsMissing(B))
End Function
Function TestOptStringByRefByVal(Optional ByRef A As String, Optional ByVal B As String)
TestOptStringByRefByVal = WhatIsMissing(IsMissing(A), IsMissing(B))
End Function
Function TestOptObject(Optional A As Collection, Optional B As Collection)
TestOptObject = WhatIsMissing(IsMissing(A), IsMissing(B))
End Function
Function TestOptObjectByRefByVal(Optional ByRef A As Collection, Optional ByVal B As Collection)
TestOptObjectByRefByVal = WhatIsMissing(IsMissing(A), IsMissing(B))
End Function
Function TestOptArray(Optional A() As Integer, Optional B() As Variant)
TestOptArray = WhatIsMissing(IsMissing(A), IsMissing(B))
End Function
Function TestOptArrayByRefByVal(Optional ByRef A() As Integer, Optional ByVal B() As Variant)
TestOptArrayByRefByVal = WhatIsMissing(IsMissing(A), IsMissing(B))
End Function
Function WhatIsMissing(is_missingA, is_missingB)
If is_missingA And is_missingB Then
WhatIsMissing = IsMissingAB
ElseIf is_missingA Then
WhatIsMissing = IsMissingA
ElseIf is_missingB Then
WhatIsMissing = IsMissingB
Else
WhatIsMissing = IsMissingNone
End If
End Function
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2026-03-28
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