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Overview
Comment:Fix a bug in loadext.test. (CVS 4359)
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SHA1: 2be8af9d402a5cd8da8c348883188eb38900f6dc
User & Date: danielk1977 2007-09-01 06:19:06.000
Context
2007-09-01
06:51
Fix for registration of non-default vfs objects. (CVS 4360) (check-in: 5f48fb95c2 user: danielk1977 tags: trunk)
06:19
Fix a bug in loadext.test. (CVS 4359) (check-in: 2be8af9d40 user: danielk1977 tags: trunk)
05:57
Call sqlite3OsDlError to obtain error information after DlOpen or DlSym fail. (CVS 4358) (check-in: 3d74256c91 user: danielk1977 tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to test/loadext.test. 
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# 2006 July 14
#
# The author disclaims copyright to this source code.  In place of
# a legal notice, here is a blessing:
#
#    May you do good and not evil.
#    May you find forgiveness for yourself and forgive others.
#    May you share freely, never taking more than you give.
#
#***********************************************************************
# This file implements regression tests for SQLite library.  The
# focus of this script is extension loading.
#
# $Id: loadext.test,v 1.10 2007/09/01 05:57:50 danielk1977 Exp $

set testdir [file dirname $argv0]
source $testdir/tester.tcl

ifcapable !load_ext {
  finish_test
  return














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# 2006 July 14
#
# The author disclaims copyright to this source code.  In place of
# a legal notice, here is a blessing:
#
#    May you do good and not evil.
#    May you find forgiveness for yourself and forgive others.
#    May you share freely, never taking more than you give.
#
#***********************************************************************
# This file implements regression tests for SQLite library.  The
# focus of this script is extension loading.
#
# $Id: loadext.test,v 1.11 2007/09/01 06:19:06 danielk1977 Exp $

set testdir [file dirname $argv0]
source $testdir/tester.tcl

ifcapable !load_ext {
  finish_test
  return
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  set testextension ./libtestloadext.so
}

# The error messages tested by this file are operating system dependent
# (because they are returned by sqlite3OsDlError()). For now, they only
# work with UNIX (and probably only certain kinds of UNIX).
#
# When a shared-object cannot be opened, we expect the error message to
# be:
#





#      [format $dlerror_cantopen <shared-object-name>]
#
# When a symbol cannot be found within an open shared-object, the error
# message should be:
#
#      [format $dlerror_nosymbol <shared-object-name> <symbol-name>]
#





set dlerror_cantopen {%s: file too short}
set dlerror_nosymbol {%s: undefined symbol: %s}

# Make sure the test extension actually exists.  If it does not
# exist, try to create it.  If unable to create it, then skip this
# test file.
#
if {![file exists $testextension]} {
  set srcdir [file dir $testdir]/src








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  set testextension ./libtestloadext.so
}

# The error messages tested by this file are operating system dependent
# (because they are returned by sqlite3OsDlError()). For now, they only
# work with UNIX (and probably only certain kinds of UNIX).
#
# When a shared-object cannot be opened because it does not exist, the
# format of the message returned is:
#
#      [format $dlerror_nosuchfile <shared-object-name>]
#
# When a shared-object cannot be opened because it consists of the 4
# characters "blah" only, we expect the error message to be:
#
#      [format $dlerror_notadll <shared-object-name>]
#
# When a symbol cannot be found within an open shared-object, the error
# message should be:
#
#      [format $dlerror_nosymbol <shared-object-name> <symbol-name>]
#
# The exact error messages are not important. The important bit is
# that SQLite is correctly copying the message from xDlError().
#
set dlerror_nosuchfile \
    {%s: cannot open shared object file: No such file or directory}
set dlerror_notadll    {%s: file too short}
set dlerror_nosymbol   {%s: undefined symbol: %s}

# Make sure the test extension actually exists.  If it does not
# exist, try to create it.  If unable to create it, then skip this
# test file.
#
if {![file exists $testextension]} {
  set srcdir [file dir $testdir]/src
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db2 close
sqlite3 db test.db
sqlite3_enable_load_extension db 1

# Try to load an extension for which the file does not exist.
#
do_test loadext-2.1 {

  set rc [catch {
    sqlite3_load_extension db "${testextension}xx"
  } msg]
  list $rc $msg
} [list 1 [format $dlerror_cantopen ${testextension}xx]]

# Try to load an extension for which the file is not a shared object
#
do_test loadext-2.2 {
  set fd [open "${testextension}xx" w]
  puts $fd blah
  close $fd
  set rc [catch {
    sqlite3_load_extension db "${testextension}xx"
  } msg]
  list $rc $msg
} [list 1 [format $dlerror_cantopen ${testextension}xx]]

# Try to load an extension for which the file is present but the
# entry point is not.
#
do_test loadext-2.3 {
  set rc [catch {
    sqlite3_load_extension db $testextension icecream








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db2 close
sqlite3 db test.db
sqlite3_enable_load_extension db 1

# Try to load an extension for which the file does not exist.
#
do_test loadext-2.1 {
  file delete -force ${testextension}xx
  set rc [catch {
    sqlite3_load_extension db "${testextension}xx"
  } msg]
  list $rc $msg
} [list 1 [format $dlerror_nosuchfile ${testextension}xx]]

# Try to load an extension for which the file is not a shared object
#
do_test loadext-2.2 {
  set fd [open "${testextension}xx" w]
  puts $fd blah
  close $fd
  set rc [catch {
    sqlite3_load_extension db "${testextension}xx"
  } msg]
  list $rc $msg
} [list 1 [format $dlerror_notadll ${testextension}xx]]

# Try to load an extension for which the file is present but the
# entry point is not.
#
do_test loadext-2.3 {
  set rc [catch {
    sqlite3_load_extension db $testextension icecream
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