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# 2008 July 7
#
# 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.
#
#***********************************************************************
#
# Test scripts for deliberate failures of mutex routines.
#
# $Id: mutex2.test,v 1.9 2008/10/07 15:25:49 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
ifcapable !mutex {
finish_test
return
}
# deinitialize
#
catch {db close}
sqlite3_reset_auto_extension
sqlite3_shutdown
install_mutex_counters 1
# Fix the mutex subsystem so that it will not initialize. In other words,
# make it so that sqlite3_initialize() always fails.
#
do_test mutex2-1.1 {
set ::disable_mutex_init 10
sqlite3_initialize
} {SQLITE_IOERR}
do_test mutex2-1.1 {
set ::disable_mutex_init 7
sqlite3_initialize
} {SQLITE_NOMEM}
proc utf16 {str} {
set r [encoding convertto unicode $str]
append r "\x00\x00"
return $r
}
# Now that sqlite3_initialize() is failing, try to run various APIs that
# require that SQLite be initialized. Verify that they fail.
#
do_test mutex2-2.1 {
set ::disable_mutex_init 7
set rc [catch {sqlite db test.db} msg]
lappend rc $msg
} {1 {}}
ifcapable utf16 {
do_test mutex2-2.2 {
set db2 [sqlite3_open16 [utf16 test.db] {}]
} {0}
do_test mutex2-2.3 {
sqlite3_complete16 [utf16 {SELECT * FROM t1;}]
} {7}
}
do_test mutex2-2.4 {
sqlite3_mprintf_int {This is a test %d,%d,%d} 1 2 3
} {}
ifcapable load_ext {
do_test mutex2-2.5 {
sqlite3_auto_extension_sqr
} {7}
}
do_test mutex2-2.6 {
sqlite3_reset_auto_extension
} {}
do_test mutex2-2.7 {
sqlite3_malloc 10000
} {0}
do_test mutex2-2.8 {
sqlite3_realloc 0 10000
} {0}
ifcapable threadsafe {
do_test mutex2-2.9 {
alloc_dealloc_mutex
} {0}
}
do_test mutex2-2.10 {
vfs_initfail_test
} {}
# Restore the system to a functional state
#
install_mutex_counters 0
set disable_mutex_init 0
autoinstall_test_functions
# Mutex allocation works now.
#
do_test mutex2-3.1 {
set ptr [alloc_dealloc_mutex]
expr {$ptr!=0}
} {1}
finish_test
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