basic/qa/basic_coverage/test_string_fixed_len.bas

   1 ' This file is part of the LibreOffice project.
   2 '
   3 ' This Source Code Form is subject to the terms of the Mozilla Public
   4 ' License, v. 2.0. If a copy of the MPL was not distributed with this
   5 ' file, You can obtain one at http://mozilla.org/MPL/2.0/.
   6 '
   7
   8 Option VBASupport 0
   9 Option Explicit
  10
  11 Function doUnitTest() As String
  12     TestUtil.TestInit
  13     verify_stringFixedLen
  14     doUnitTest = TestUtil.GetResult()
  15 End Function
  16
  17 Sub verify_stringFixedLen()
  18     On Error GoTo errorHandler
  19     ' tdf#163680 - fixed-length strings support
  20
  21     Dim s As String * 10
  22     TestUtil.AssertEqual(Len(s), 10, "Len(s) - default")
  23     ' The default value is 10 null characters
  24     TestUtil.AssertEqual(s, String(10, 0), "s - default")
  25     s = "abc"
  26     TestUtil.AssertEqual(Len(s), 10, "Len(s) - abc")
  27     TestUtil.AssertEqual("""" & s & """", """abc       """, """s"" - abc")
  28     s = "defghijklmno"
  29     TestUtil.AssertEqual(Len(s), 10, "Len(s) - defghijklmno")
  30     TestUtil.AssertEqual("""" & s & """", """defghijklm""", """s"" - defghijklmno")
  31     Let s = "xyz" ' Test also Let keyword - uses a different code path
  32     TestUtil.AssertEqual(Len(s), 10, "Len(s) - xyz")
  33     TestUtil.AssertEqual("""" & s & """", """xyz       """, """s"" - xyz")
  34     Let s = "opqrstuvwxyz"
  35     TestUtil.AssertEqual(Len(s), 10, "Len(s) - opqrstuvwxyz")
  36     TestUtil.AssertEqual("""" & s & """", """opqrstuvwx""", """s"" - opqrstuvwxyz")
  37
  38     Dim s1 As String * 0 ' Unlike VBA, LibreOffice Basic allows this for unrestricted strings
  39     TestUtil.AssertEqual(Len(s1), 0, "Len(s1) - default")
  40     TestUtil.AssertEqual("""" & s1 & """", """""", """s1"" - default")
  41     s1 = "klm"
  42     TestUtil.AssertEqual(Len(s1), 3, "Len(s1) - klm")
  43     TestUtil.AssertEqual("""" & s1 & """", """klm""", """s1"" - klm")
  44     s = s1
  45     TestUtil.AssertEqual(Len(s), 10, "Len(s) - klm")
  46     TestUtil.AssertEqual("""" & s & """", """klm       """, """s"" - klm")
  47     ' Also test s1 - it must not be affected
  48     TestUtil.AssertEqual(Len(s1), 3, "Len(s1) - klm")
  49     TestUtil.AssertEqual("""" & s1 & """", """klm""", """s1"" - klm")
  50
  51     Exit Sub
  52 errorHandler:
  53     TestUtil.ReportErrorHandler("verify_stringFixedLen", Err, Error$, Erl)
  54 End Sub