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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 16:51:28 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 16:51:28 +0000
commit940b4d1848e8c70ab7642901a68594e8016caffc (patch)
treeeb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /basic/qa/basic_coverage/test_string_overflow_safe.vb
parentInitial commit. (diff)
downloadlibreoffice-940b4d1848e8c70ab7642901a68594e8016caffc.tar.xz
libreoffice-940b4d1848e8c70ab7642901a68594e8016caffc.zip
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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diff --git a/basic/qa/basic_coverage/test_string_overflow_safe.vb b/basic/qa/basic_coverage/test_string_overflow_safe.vb
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+Option Explicit
+
+Function doUnitTest As Integer
+ ' Trying to create too long string should generate proper BASIC overflow error.
+ ' Longest possible string is 2147483638 wchar_t (2G - 10).
+ ' This tries to create string with 2G wchar_t. If it does not overflow, test fails.
+ ' If overflow is not safe, it segfaults.
+ On Error GoTo errorHandler
+ Dim s As String, i As Integer
+ s = "0"
+ For i=1 To 31
+ s = s & s
+ Next i
+ doUnitTest = 0
+ Exit Function
+errorHandler:
+ If ( Err <> 6 ) Then
+ doUnitTest = 0
+ Else
+ doUnitTest = 1
+ Endif
+End Function