| author | sl@SLION-WIN7.fritz.box |
| Fri, 15 Jun 2012 03:10:57 +0200 | |
| changeset 0 | bde4ae8d615e |
| permissions | -rw-r--r-- |
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# 2008 June 17 |
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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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# |
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# $Id: mutex1.test,v 1.14 2008/09/03 01:08:02 drh Exp $ |
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set testdir [file dirname $argv0] |
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source $testdir/tester.tcl |
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if {[info exists tester_do_binarylog]} {
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finish_test |
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return |
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} |
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sqlite3_reset_auto_extension |
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proc mutex_counters {varname} {
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upvar $varname var |
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set var(total) 0 |
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foreach {name value} [read_mutex_counters] {
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set var($name) $value |
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incr var(total) $value |
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} |
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} |
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#------------------------------------------------------------------------- |
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# Tests mutex1-1.* test that sqlite3_config() returns SQLITE_MISUSE if |
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# is called at the wrong time. And that the first time sqlite3_initialize |
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# is called it obtains the 'static_master' mutex 3 times and a recursive |
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# mutex (sqlite3Config.pInitMutex) twice. Subsequent calls are no-ops |
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# that do not require any mutexes. |
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# |
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do_test mutex1-1.0 {
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install_mutex_counters 1 |
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} {SQLITE_MISUSE}
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do_test mutex1-1.1 {
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db close |
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install_mutex_counters 1 |
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} {SQLITE_MISUSE}
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do_test mutex1-1.2 {
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sqlite3_shutdown |
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install_mutex_counters 1 |
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} {SQLITE_OK}
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do_test mutex1-1.3 {
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install_mutex_counters 0 |
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} {SQLITE_OK}
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do_test mutex1-1.4 {
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install_mutex_counters 1 |
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} {SQLITE_OK}
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do_test mutex1-1.5 {
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mutex_counters counters |
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set counters(total) |
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} {0}
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do_test mutex1-1.6 {
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sqlite3_initialize |
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} {SQLITE_OK}
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do_test mutex1-1.7 {
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mutex_counters counters |
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# list $counters(total) $counters(static_master) |
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expr {$counters(total)>0}
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} {1}
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do_test mutex1-1.8 {
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clear_mutex_counters |
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sqlite3_initialize |
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} {SQLITE_OK}
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do_test mutex1-1.9 {
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mutex_counters counters |
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list $counters(total) $counters(static_master) |
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} {0 0}
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#------------------------------------------------------------------------- |
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# Tests mutex1-2.* test the three thread-safety related modes that |
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# can be selected using sqlite3_config: |
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# |
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# * Serialized mode, |
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# * Multi-threaded mode, |
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# * Single-threaded mode. |
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# |
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set enable_shared_cache [sqlite3_enable_shared_cache 1] |
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ifcapable threadsafe {
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foreach {mode mutexes} {
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singlethread {}
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multithread {fast static_lru static_master static_mem static_prng }
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serialized {fast recursive static_lru static_master static_mem static_prng}
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} {
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do_test mutex1.2.$mode.1 {
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catch {db close}
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sqlite3_shutdown |
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sqlite3_config $mode |
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} SQLITE_OK |
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do_test mutex1.2.$mode.2 {
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sqlite3_initialize |
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clear_mutex_counters |
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sqlite3 db test.db -nomutex 0 |
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catchsql { CREATE TABLE abc(a, b, c) }
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db eval {
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INSERT INTO abc VALUES(1, 2, 3); |
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} |
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} {}
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do_test mutex1.2.$mode.3 {
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mutex_counters counters |
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set res [list] |
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foreach {key value} [array get counters] {
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if {$key ne "total" && $value > 0} {
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lappend res $key |
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} |
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} |
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lsort $res |
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} [lsort $mutexes] |
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} |
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} |
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sqlite3_enable_shared_cache $enable_shared_cache |
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# Open and use a connection in "nomutex" mode. Test that no recursive |
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# mutexes are obtained. |
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ifcapable threadsafe {
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do_test mutex1.3.1 {
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catch {db close}
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clear_mutex_counters |
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sqlite3 db test.db -nomutex 1 |
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execsql { SELECT * FROM abc }
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} {1 2 3 1 2 3 1 2 3}
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do_test mutex1.3.2 {
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mutex_counters counters |
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set counters(recursive) |
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} {0}
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} |
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do_test mutex1-X {
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catch {db close}
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sqlite3_shutdown |
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clear_mutex_counters |
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install_mutex_counters 0 |
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sqlite3_initialize |
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} {SQLITE_OK}
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autoinstall_test_functions |
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finish_test |