259 lines
6.7 KiB
Plaintext
259 lines
6.7 KiB
Plaintext
# 2006 July 14
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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# This file implements regression tests for SQLite library. The
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# focus of this script is extension loading.
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#
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# $Id: loadext.test,v 1.13 2008/06/30 15:09:29 danielk1977 Exp $
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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ifcapable !load_ext {
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finish_test
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return
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}
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# The name of the test extension varies by operating system.
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#
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if {$::tcl_platform(platform) eq "windows"} {
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set testextension ./testloadext.dll
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} else {
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set testextension ./libtestloadext.so
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}
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set gcc_shared -shared
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if {$::tcl_platform(os) eq "Darwin"} {
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set gcc_shared -dynamiclib
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}
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# The error messages tested by this file are operating system dependent
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# (because they are returned by sqlite3OsDlError()). For now, they only
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# work with UNIX (and probably only certain kinds of UNIX).
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#
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# When a shared-object cannot be opened because it does not exist, the
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# format of the message returned is:
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#
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# [format $dlerror_nosuchfile <shared-object-name>]
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#
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# When a shared-object cannot be opened because it consists of the 4
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# characters "blah" only, we expect the error message to be:
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#
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# [format $dlerror_notadll <shared-object-name>]
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#
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# When a symbol cannot be found within an open shared-object, the error
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# message should be:
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#
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# [format $dlerror_nosymbol <shared-object-name> <symbol-name>]
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#
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# The exact error messages are not important. The important bit is
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# that SQLite is correctly copying the message from xDlError().
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#
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set dlerror_nosuchfile \
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{%s: cannot open shared object file: No such file or directory}
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set dlerror_notadll {%s: file too short}
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set dlerror_nosymbol {%s: undefined symbol: %s}
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if {$::tcl_platform(os) eq "Darwin"} {
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set dlerror_nosuchfile {dlopen(%s, 10): image not found}
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set dlerror_notadll {dlopen(%1$s, 10): no suitable image found. Did find:
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%1$s: file to short}
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set dlerror_nosymbol {dlsym(XXX, %2$s): symbol not found}
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}
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# Make sure the test extension actually exists. If it does not
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# exist, try to create it. If unable to create it, then skip this
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# test file.
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#
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if {![file exists $testextension]} {
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set srcdir [file dir $testdir]/src
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set testextsrc $srcdir/test_loadext.c
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if {[catch {
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exec gcc $gcc_shared -Wall -I$srcdir -I. -g $testextsrc -o $testextension
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} msg]} {
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puts "Skipping loadext tests: Test extension not built..."
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puts $msg
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finish_test
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return
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}
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}
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# Test that loading the extension produces the expected results - adding
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# the half() function to the specified database handle.
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#
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do_test loadext-1.1 {
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catchsql {
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SELECT half(1.0);
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}
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} {1 {no such function: half}}
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do_test loadext-1.2 {
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db enable_load_extension 1
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sqlite3_load_extension db $testextension testloadext_init
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catchsql {
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SELECT half(1.0);
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}
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} {0 0.5}
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# Test that a second database connection (db2) can load the extension also.
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#
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do_test loadext-1.3 {
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sqlite3 db2 test.db
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sqlite3_enable_load_extension db2 1
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catchsql {
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SELECT half(1.0);
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} db2
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} {1 {no such function: half}}
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do_test loadext-1.4 {
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sqlite3_load_extension db2 $testextension testloadext_init
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catchsql {
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SELECT half(1.0);
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} db2
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} {0 0.5}
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# Close the first database connection. Then check that the second database
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# can still use the half() function without a problem.
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#
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do_test loadext-1.5 {
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db close
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catchsql {
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SELECT half(1.0);
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} db2
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} {0 0.5}
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db2 close
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sqlite3 db test.db
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sqlite3_enable_load_extension db 1
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# Try to load an extension for which the file does not exist.
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#
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do_test loadext-2.1 {
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file delete -force ${testextension}xx
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set rc [catch {
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sqlite3_load_extension db "${testextension}xx"
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} msg]
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list $rc $msg
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} [list 1 [format $dlerror_nosuchfile ${testextension}xx]]
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# Try to load an extension for which the file is not a shared object
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#
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do_test loadext-2.2 {
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set fd [open "${testextension}xx" w]
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puts $fd blah
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close $fd
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set rc [catch {
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sqlite3_load_extension db "${testextension}xx"
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} msg]
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list $rc $msg
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} [list 1 [format $dlerror_notadll ${testextension}xx]]
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# Try to load an extension for which the file is present but the
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# entry point is not.
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#
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do_test loadext-2.3 {
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set rc [catch {
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sqlite3_load_extension db $testextension icecream
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} msg]
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if {$::tcl_platform(os) eq "Darwin"} {
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regsub {0x[1234567890abcdefABCDEF]*} $msg XXX msg
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}
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list $rc $msg
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} [list 1 [format $dlerror_nosymbol $testextension icecream]]
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# Try to load an extension for which the entry point fails (returns non-zero)
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#
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do_test loadext-2.4 {
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set rc [catch {
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sqlite3_load_extension db $testextension testbrokenext_init
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} msg]
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list $rc $msg
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} {1 {error during initialization: broken!}}
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############################################################################
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# Tests for the load_extension() SQL function
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#
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db close
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sqlite3 db test.db
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sqlite3_enable_load_extension db 1
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do_test loadext-3.1 {
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catchsql {
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SELECT half(5);
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}
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} {1 {no such function: half}}
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do_test loadext-3.2 {
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set res [catchsql {
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SELECT load_extension($::testextension)
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}]
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if {$::tcl_platform(os) eq "Darwin"} {
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regsub {0x[1234567890abcdefABCDEF]*} $res XXX res
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}
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set res
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} [list 1 [format $dlerror_nosymbol $testextension sqlite3_extension_init]]
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do_test loadext-3.3 {
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catchsql {
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SELECT load_extension($::testextension,'testloadext_init')
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}
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} {0 {{}}}
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do_test loadext-3.4 {
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catchsql {
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SELECT half(5);
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}
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} {0 2.5}
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do_test loadext-3.5 {
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db eval {
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SELECT sqlite3_status('MEMORY_USED') AS mused
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} break
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puts -nonewline " (memory_used=$mused) "
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expr {$mused>0}
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} {1}
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do_test loadext-3.6 {
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catchsql {
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SELECT sqlite3_status('MEMORY_USED_X') AS mused
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}
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} {1 {unknown status property: MEMORY_USED_X}}
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do_test loadext-3.7 {
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catchsql {
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SELECT sqlite3_status(4.53) AS mused
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}
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} {1 {unknown status type}}
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do_test loadext-3.8 {
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catchsql {
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SELECT sqlite3_status(23) AS mused
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}
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} {1 {sqlite3_status(23,...) returns 21}}
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# Ticket #1863
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# Make sure the extension loading mechanism will not work unless it
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# is explicitly enabled.
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#
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db close
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sqlite3 db test.db
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do_test loadext-4.1 {
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catchsql {
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SELECT load_extension($::testextension,'testloadext_init')
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}
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} {1 {not authorized}}
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do_test loadext-4.2 {
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sqlite3_enable_load_extension db 1
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catchsql {
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SELECT load_extension($::testextension,'testloadext_init')
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}
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} {0 {{}}}
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do_test loadext-4.3 {
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sqlite3_enable_load_extension db 0
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catchsql {
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SELECT load_extension($::testextension,'testloadext_init')
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}
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} {1 {not authorized}}
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finish_test
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