Quelle test_string_fixed_len.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/.
'
Option VBASupport 0
Option Explicit
Function doUnitTest() As String
TestUtil.TestInit
verify_stringFixedLen
doUnitTest = TestUtil.GetResult()
End Function
Sub verify_stringFixedLen()
On Error GoTo errorHandler
' tdf#163680 - fixed-length strings support
Dim s As String * 10
TestUtil.AssertEqual(Len(s), 10, "Len(s) - default")
' The default value is 10 null characters
TestUtil.AssertEqual(s, String(10, 0), "s - default")
s = "abc"
TestUtil.AssertEqual(Len(s), 10, "Len(s) - abc")
TestUtil.AssertEqual("""" & s & """", """abc """, """s"" - abc")
s = "defghijklmno"
TestUtil.AssertEqual(Len(s), 10, "Len(s) - defghijklmno")
TestUtil.AssertEqual("""" & s & """", """defghijklm""", """s"" - defghijklmno")
Let s = "xyz" ' Test also Let keyword - uses a different code path
TestUtil.AssertEqual(Len(s), 10, "Len(s) - xyz")
TestUtil.AssertEqual("""" & s & """", """xyz """, """s"" - xyz")
Let s = "opqrstuvwxyz"
TestUtil.AssertEqual(Len(s), 10, "Len(s) - opqrstuvwxyz")
TestUtil.AssertEqual("""" & s & """", """opqrstuvwx""", """s"" - opqrstuvwxyz")
Dim s1 As String * 0 ' Unlike VBA, LibreOffice Basic allows this for unrestricted strings
TestUtil.AssertEqual(Len(s1), 0, "Len(s1) - default")
TestUtil.AssertEqual("""" & s1 & """", """""", """s1"" - default")
s1 = "klm"
TestUtil.AssertEqual(Len(s1), 3, "Len(s1) - klm")
TestUtil.AssertEqual("""" & s1 & """", """klm""", """s1"" - klm")
s = s1
TestUtil.AssertEqual(Len(s), 10, "Len(s) - klm")
TestUtil.AssertEqual("""" & s & """", """klm """, """s"" - klm")
' Also test s1 - it must not be affected
TestUtil.AssertEqual(Len(s1), 3, "Len(s1) - klm")
TestUtil.AssertEqual("""" & s1 & """", """klm""", """s1"" - klm")
Exit Sub
errorHandler:
TestUtil.ReportErrorHandler("verify_stringFixedLen", Err, Error$, Erl)
End Sub
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2026-03-28
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