# 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 1.1.1.1 2012/02/21 17:04:16 misho Exp $ set testdir [file dirname $argv0] source $testdir/tester.tcl ifcapable !load_ext { finish_test return } # The name of the test extension varies by operating system. # if {$::tcl_platform(platform) eq "windows" || $::tcl_platform(platform) eq "os2"} { set testextension ./testloadext.dll } else { set testextension ./libtestloadext.so } set gcc_shared "-shared -fPIC" if {$::tcl_platform(os) eq "Darwin"} { set gcc_shared -dynamiclib } # 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 ] # # 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 ] # # When a symbol cannot be found within an open shared-object, the error # message should be: # # [format $dlerror_nosymbol ] # # The exact error messages are not important. The important bit is # that SQLite is correctly copying the message from xDlError(). # set dlerror_nosuchfile \ {%s: cannot open shared object file: No such file or directory} set dlerror_notadll {%s: file too short} set dlerror_nosymbol {%s: undefined symbol: %s} if {$::tcl_platform(os) eq "Darwin"} { set dlerror_nosuchfile {dlopen(%s, 10): image not found} set dlerror_notadll {dlopen(%1$s, 10): no suitable image found.*} set dlerror_nosymbol {dlsym(XXX, %2$s): symbol not found} } # 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 set testextsrc $srcdir/test_loadext.c set cmdline [concat exec gcc $gcc_shared] lappend cmdline -Wall -I$srcdir -I. -g $testextsrc -o $testextension if {[catch $cmdline msg]} { puts "Skipping loadext tests: Test extension not built..." puts $msg finish_test return } } # Test that loading the extension produces the expected results - adding # the half() function to the specified database handle. # do_test loadext-1.1 { catchsql { SELECT half(1.0); } } {1 {no such function: half}} do_test loadext-1.2 { db enable_load_extension 1 sqlite3_load_extension db $testextension testloadext_init catchsql { SELECT half(1.0); } } {0 0.5} # Test that a second database connection (db2) can load the extension also. # do_test loadext-1.3 { sqlite3 db2 test.db sqlite3_enable_load_extension db2 1 catchsql { SELECT half(1.0); } db2 } {1 {no such function: half}} do_test loadext-1.4 { sqlite3_load_extension db2 $testextension testloadext_init catchsql { SELECT half(1.0); } db2 } {0 0.5} # Close the first database connection. Then check that the second database # can still use the half() function without a problem. # do_test loadext-1.5 { db close catchsql { SELECT half(1.0); } db2 } {0 0.5} 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 { forcedelete ${testextension}xx set rc [catch { sqlite3_load_extension db "${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] set expected_error_pattern [format $dlerror_notadll ${testextension}xx] list $rc [string match $expected_error_pattern $msg] } [list 1 1] # 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 $testextension icecream } msg] if {$::tcl_platform(os) eq "Darwin"} { regsub {0x[1234567890abcdefABCDEF]*} $msg XXX msg } list $rc $msg } [list 1 [format $dlerror_nosymbol $testextension icecream]] # Try to load an extension for which the entry point fails (returns non-zero) # do_test loadext-2.4 { set rc [catch { sqlite3_load_extension db $testextension testbrokenext_init } msg] list $rc $msg } {1 {error during initialization: broken!}} ############################################################################ # Tests for the load_extension() SQL function # db close sqlite3 db test.db sqlite3_enable_load_extension db 1 do_test loadext-3.1 { catchsql { SELECT half(5); } } {1 {no such function: half}} do_test loadext-3.2 { set res [catchsql { SELECT load_extension($::testextension) }] if {$::tcl_platform(os) eq "Darwin"} { regsub {0x[1234567890abcdefABCDEF]*} $res XXX res } set res } [list 1 [format $dlerror_nosymbol $testextension sqlite3_extension_init]] do_test loadext-3.3 { catchsql { SELECT load_extension($::testextension,'testloadext_init') } } {0 {{}}} do_test loadext-3.4 { catchsql { SELECT half(5); } } {0 2.5} do_test loadext-3.5 { db eval { SELECT sqlite3_status('MEMORY_USED') AS mused } break puts -nonewline " (memory_used=$mused) " expr {$mused>0} } {1} do_test loadext-3.6 { catchsql { SELECT sqlite3_status('MEMORY_USED_X') AS mused } } {1 {unknown status property: MEMORY_USED_X}} do_test loadext-3.7 { catchsql { SELECT sqlite3_status(4.53) AS mused } } {1 {unknown status type}} do_test loadext-3.8 { catchsql { SELECT sqlite3_status(23) AS mused } } {1 {sqlite3_status(23,...) returns 21}} # Ticket #1863 # Make sure the extension loading mechanism will not work unless it # is explicitly enabled. # db close sqlite3 db test.db do_test loadext-4.1 { catchsql { SELECT load_extension($::testextension,'testloadext_init') } } {1 {not authorized}} do_test loadext-4.2 { sqlite3_enable_load_extension db 1 catchsql { SELECT load_extension($::testextension,'testloadext_init') } } {0 {{}}} do_test loadext-4.3 { sqlite3_enable_load_extension db 0 catchsql { SELECT load_extension($::testextension,'testloadext_init') } } {1 {not authorized}} source $testdir/malloc_common.tcl # Malloc failure in sqlite3_auto_extension and sqlite3_load_extension # do_malloc_test loadext-5 -tclprep { sqlite3_reset_auto_extension } -tclbody { if {[autoinstall_test_functions]==7} {error "out of memory"} } do_malloc_test loadext-6 -tclbody { db enable_load_extension 1 sqlite3_load_extension db $::testextension testloadext_init } autoinstall_test_functions finish_test