# 2008 June 17
#
# 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.
#
#***********************************************************************
#
# $Id: mutex1.test,v 1.6 2008/06/28 11:23:00 danielk1977 Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
sqlite3_reset_auto_extension
proc mutex_counters {varname} {
upvar $varname var
set var(total) 0
foreach {name value} [read_mutex_counters] {
set var($name) $value
incr var(total) $value
}
}
#-------------------------------------------------------------------------
# Tests mutex1-1.* test that sqlite3_config() returns SQLITE_MISUSE if
# is called at the wrong time. And that the first time sqlite3_initialize
# is called it obtains the 'static_master' mutex 3 times and a recursive
# mutex (sqlite3Config.pInitMutex) twice. Subsequent calls are no-ops
# that do not require any mutexes.
#
do_test mutex1-1.0 {
install_mutex_counters 1
} {SQLITE_MISUSE}
do_test mutex1-1.1 {
db close
install_mutex_counters 1
} {SQLITE_MISUSE}
do_test mutex1-1.2 {
sqlite3_shutdown
install_mutex_counters 1
} {SQLITE_OK}
do_test mutex1-1.3 {
install_mutex_counters 0
} {SQLITE_OK}
do_test mutex1-1.4 {
install_mutex_counters 1
} {SQLITE_OK}
do_test mutex1-1.5 {
mutex_counters counters
set counters(total)
} {0}
do_test mutex1-1.6 {
sqlite3_initialize
} {SQLITE_OK}
do_test mutex1-1.7 {
mutex_counters counters
# list $counters(total) $counters(static_master)
expr {$counters(total)>0}
} {1}
do_test mutex1-1.8 {
clear_mutex_counters
sqlite3_initialize
} {SQLITE_OK}
do_test mutex1-1.9 {
mutex_counters counters
list $counters(total) $counters(static_master)
} {0 0}
#-------------------------------------------------------------------------
# Tests mutex1-2.* test the three thread-safety related modes that
# can be selected using sqlite3_config:
#
# * Serialized mode,
# * Multi-threaded mode,
# * Single-threaded mode.
#
ifcapable threadsafe {
foreach {mode mutexes} {
singlethread {}
multithread {fast static_master static_mem static_prng}
serialized {fast recursive static_master static_mem static_prng}
} {
ifcapable memorymanage {
if {$mode ne "singlethread"} {
lappend mutexes static_lru static_lru2 static_mem2
set mutexes [lsort $mutexes]
}
}
do_test mutex1.2.$mode.1 {
catch {db close}
sqlite3_shutdown
sqlite3_config $mode
} SQLITE_OK
do_test mutex1.2.$mode.2 {
sqlite3_initialize
clear_mutex_counters
sqlite3 db test.db
catchsql { CREATE TABLE abc(a, b, c) }
db eval {
INSERT INTO abc VALUES(1, 2, 3);
}
} {}
do_test mutex1.2.$mode.3 {
mutex_counters counters
set res [list]
foreach {key value} [array get counters] {
if {$key ne "total" && $value > 0} {
lappend res $key
}
}
lsort $res
} $mutexes
}
}
do_test mutex1-X {
catch {db close}
sqlite3_shutdown
clear_mutex_counters
install_mutex_counters 0
sqlite3_initialize
} {SQLITE_OK}
autoinstall_test_functions
finish_test