[sql] Import reference version of SQLite 3.17..

third_party/sqlite/sqlite-src-3170000/test/multiplex.test

+# 2010 October 29
+#
+# 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.
+#
+#***********************************************************************
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+source $testdir/malloc_common.tcl
+
+# The tests in this file assume that SQLite is compiled without
+# ENABLE_8_3_NAMES.
+#
+ifcapable 8_3_names {
+  puts -nonewline "SQLite compiled with SQLITE_ENABLE_8_3_NAMES. "
+  puts            "Skipping tests multiplex-*."
+  finish_test
+  return
+}
+
+set g_chunk_size [ expr ($::SQLITE_MAX_PAGE_SIZE*16384) ]
+set g_max_chunks 32
+
+# This handles appending the chunk number
+# to the end of the filename.  if 
+# SQLITE_MULTIPLEX_EXT_OVWR is defined, then
+# it overwrites the last 2 bytes of the 
+# file name with the chunk number.
+proc multiplex_name {name chunk} {
+  if {$chunk==0} { return $name }
+  set num [format "%03d" $chunk]
+  ifcapable {multiplex_ext_overwrite} {
+    set name [string range $name 0 [expr [string length $name]-2-1]]
+  }
+  return $name$num
+}
+
+# This saves off the parameters and calls the 
+# underlying sqlite3_multiplex_control() API.
+proc multiplex_set {db name chunk_size max_chunks} {
+  global g_chunk_size
+  global g_max_chunks
+  set g_chunk_size [ expr (($chunk_size+($::SQLITE_MAX_PAGE_SIZE-1)) & ~($::SQLITE_MAX_PAGE_SIZE-1)) ]
+  set g_max_chunks $max_chunks
+  set rc [catch {sqlite3_multiplex_control $db $name chunk_size $chunk_size} msg]
+  if { $rc==0 } { 
+    set rc [catch {sqlite3_multiplex_control $db $name max_chunks $max_chunks} msg]
+  }
+  list $msg
+}
+
+# This attempts to delete the base file and 
+# and files with the chunk extension.
+proc multiplex_delete {name} {
+  global g_max_chunks
+  forcedelete $name
+  for {set i 0} {$i<$g_max_chunks} {incr i} {
+    forcedelete [multiplex_name $name $i]
+    forcedelete [multiplex_name $name-journal $i]
+    forcedelete [multiplex_name $name-wal $i]
+  }
+}
+
+db close
+sqlite3_shutdown
+test_sqlite3_log xLog
+proc xLog {error_code msg} {
+  lappend ::log $error_code $msg 
+}
+unset -nocomplain log
+
+multiplex_delete test.db
+multiplex_delete test2.db
+
+#-------------------------------------------------------------------------
+#   multiplex-1.1.*: Test initialize and shutdown.
+
+do_test multiplex-1.1 { sqlite3_multiplex_initialize nosuchvfs 1 } {SQLITE_ERROR}
+do_test multiplex-1.2 { sqlite3_multiplex_initialize "" 1 }        {SQLITE_OK}
+do_test multiplex-1.3 { sqlite3_multiplex_initialize "" 1 }        {SQLITE_MISUSE}
+do_test multiplex-1.4 { sqlite3_multiplex_shutdown }               {SQLITE_OK}
+
+do_test multiplex-1.5 { sqlite3_multiplex_initialize "" 0 }        {SQLITE_OK}
+do_test multiplex-1.6 { sqlite3_multiplex_shutdown }               {SQLITE_OK}
+do_test multiplex-1.7 { sqlite3_multiplex_initialize "" 1 }        {SQLITE_OK}
+do_test multiplex-1.8 { sqlite3_multiplex_shutdown }               {SQLITE_OK}
+
+
+do_test multiplex-1.9.1  { sqlite3_multiplex_initialize "" 1 }     {SQLITE_OK}
+do_test multiplex-1.9.2  { sqlite3 db test.db }                    {}
+do_test multiplex-1.9.3  { multiplex_set db main 32768 16 }        {SQLITE_OK}
+do_test multiplex-1.9.4  { multiplex_set db main 32768 -1 }        {SQLITE_OK}
+do_test multiplex-1.9.6  { multiplex_set db main 31 16 }           {SQLITE_OK}
+do_test multiplex-1.9.7  { multiplex_set db main 32768 100 }       {SQLITE_OK}
+do_test multiplex-1.9.8  { multiplex_set db main 1073741824 1 }    {SQLITE_OK}
+do_test multiplex-1.9.9  { db close }                              {}
+do_test multiplex-1.9.10 { sqlite3_multiplex_shutdown }            {SQLITE_OK}
+
+do_test multiplex-1.10.1  { sqlite3_multiplex_initialize "" 1 }                                  {SQLITE_OK}
+do_test multiplex-1.10.2  { sqlite3 db test.db }                                                 {}
+do_test multiplex-1.10.3  { lindex [ catchsql { SELECT multiplex_control(2, 32768); } ] 0 }      {0}
+do_test multiplex-1.10.4  { lindex [ catchsql { SELECT multiplex_control(3, -1); } ] 0 }         {0}
+do_test multiplex-1.10.6  { lindex [ catchsql { SELECT multiplex_control(2, 31); } ] 0 }         {0}
+do_test multiplex-1.10.7  { lindex [ catchsql { SELECT multiplex_control(3, 100); } ] 0 }        {0}
+do_test multiplex-1.10.8  { lindex [ catchsql { SELECT multiplex_control(2, 1073741824); } ] 0 } {0}
+do_test multiplex-1.10.9  { db close }                                                           {}
+do_test multiplex-1.10.10 { sqlite3_multiplex_shutdown }                                         {SQLITE_OK}
+
+do_test multiplex-1.11.1  { sqlite3_multiplex_initialize "" 1 }               {SQLITE_OK}
+do_test multiplex-1.11.2  { sqlite3 db test.db }                              {}
+do_test multiplex-1.11.3  { sqlite3_multiplex_control db main enable 0  }     {SQLITE_OK}
+do_test multiplex-1.11.4  { sqlite3_multiplex_control db main enable 1  }     {SQLITE_OK}
+do_test multiplex-1.11.5  { sqlite3_multiplex_control db main enable -1 }     {SQLITE_OK}
+do_test multiplex-1.11.6  { db close }                                        {}
+do_test multiplex-1.11.7  { sqlite3_multiplex_shutdown }                      {SQLITE_OK}
+
+do_test multiplex-1.12.1  { sqlite3_multiplex_initialize "" 1 }                           {SQLITE_OK}
+do_test multiplex-1.12.2  { sqlite3 db test.db }                                          {}
+do_test multiplex-1.12.3  { lindex [ catchsql { SELECT multiplex_control(1, 0); } ] 0 }   {0}
+do_test multiplex-1.12.4  { lindex [ catchsql { SELECT multiplex_control(1, 1); } ] 0 }   {0}
+do_test multiplex-1.12.5  { lindex [ catchsql { SELECT multiplex_control(1, -1); } ] 0 }  {0}
+do_test multiplex-1.12.6  { db close }                                                    {}
+do_test multiplex-1.12.7  { sqlite3_multiplex_shutdown }                                  {SQLITE_OK}
+
+do_test multiplex-1.13.1  { sqlite3_multiplex_initialize "" 1 }                           {SQLITE_OK}
+do_test multiplex-1.13.2  { sqlite3 db test.db }                                          {}
+do_test multiplex-1.13.3  { lindex [ catchsql { SELECT multiplex_control(-1, 0); } ] 0 }  {1}
+do_test multiplex-1.13.4  { lindex [ catchsql { SELECT multiplex_control(4, 1); } ] 0 }   {1}
+do_test multiplex-1.13.6  { db close }                                                    {}
+do_test multiplex-1.13.7  { sqlite3_multiplex_shutdown }                                  {SQLITE_OK}
+
+#-------------------------------------------------------------------------
+# Some simple warm-body tests with a single database file in rollback 
+# mode:
+#
+#   multiplex-2.1.*: Test simple writing to a multiplex file.
+#
+#   multiplex-2.2.*: More writing.
+#
+#   multiplex-2.3.*: Open and close a second db.
+#
+#   multiplex-2.4.*: Try to shutdown the multiplex system before closing the db
+#                file. Check that this fails and the multiplex system still works
+#                afterwards. Then close the database and successfully shut
+#                down the multiplex system.
+#
+#   multiplex-2.5.*: More reading/writing.
+#
+#   multiplex-2.6.*: More reading/writing with varying small chunk sizes, as
+#                well as varying journal mode.
+#
+#   multiplex-2.7.*: Disable/enable tests.
+#
+
+sqlite3_multiplex_initialize "" 1
+multiplex_set db main 32768 16
+
+forcedelete test.x
+foreach f [glob -nocomplain {test.x*[0-9][0-9][0-9]}] {
+  forcedelete $f
+}
+do_test multiplex-2.1.2 {
+  sqlite3 db test.x
+  execsql {
+    PRAGMA page_size=1024;
+    PRAGMA auto_vacuum=OFF;
+    PRAGMA journal_mode=DELETE;
+  }
+  execsql {
+    CREATE TABLE t1(a, b);
+    INSERT INTO t1 VALUES(1, randomblob(1100));
+    INSERT INTO t1 VALUES(2, randomblob(1100));
+  }
+} {}
+do_test multiplex-2.1.3 { file size [multiplex_name test.x 0] } {4096}
+do_test multiplex-2.1.4 {
+  execsql { INSERT INTO t1 VALUES(3, randomblob(1100)) }
+} {}
+
+do_test multiplex-2.2.1 {
+  execsql { INSERT INTO t1 VALUES(3, randomblob(1100)) }
+} {}
+do_test multiplex-2.2.3 { file size [multiplex_name test.x 0] } {6144}
+
+do_test multiplex-2.3.1 {
+  sqlite3 db2 test2.x
+  db2 close
+} {}
+
+
+unset -nocomplain ::log
+#do_test multiplex-2.4.1 {
+#  sqlite3_multiplex_shutdown
+#} {SQLITE_MISUSE}
+do_test multiplex-2.4.2 {
+  execsql { INSERT INTO t1 VALUES(3, randomblob(1100)) }
+} {}
+#do_test multiplex-2.4.3 {
+#  set ::log
+#} {SQLITE_MISUSE {sqlite3_multiplex_shutdown() called while database connections are still open}}
+
+do_test multiplex-2.4.4 { file size [multiplex_name test.x 0] } {7168}
+do_test multiplex-2.4.5 {
+  db close
+  sqlite3 db test.x
+  db eval vacuum
+  db close
+  glob test.x*
+} {test.x}
+do_test multiplex-2.4.99 {
+  sqlite3_multiplex_shutdown
+} {SQLITE_OK}
+
+do_test multiplex-2.5.1 {
+  multiplex_delete test.x
+  sqlite3_multiplex_initialize "" 1
+  sqlite3 db test.x
+  multiplex_set db main 4096 16
+} {SQLITE_OK}
+
+do_test multiplex-2.5.2 {
+  execsql {
+    PRAGMA page_size = 1024;
+    PRAGMA journal_mode = delete;
+    PRAGMA auto_vacuum = off;
+    CREATE TABLE t1(a PRIMARY KEY, b);
+  }
+} {delete}
+
+do_test multiplex-2.5.3 { 
+  execsql { 
+    INSERT INTO t1 VALUES(1, 'one');
+    INSERT INTO t1 VALUES(2, randomblob(4000));
+    INSERT INTO t1 VALUES(3, 'three');
+    INSERT INTO t1 VALUES(4, randomblob(4000));
+    INSERT INTO t1 VALUES(5, 'five');
+    INSERT INTO t1 VALUES(6, randomblob($g_chunk_size));
+    INSERT INTO t1 VALUES(7, randomblob($g_chunk_size));
+  }
+} {}
+
+do_test multiplex-2.5.4 {
+  db eval {SELECT * FROM t1 WHERE a=1}
+} {1 one}
+
+do_test multiplex-2.5.5 {
+  db eval {SELECT * FROM t1 WHERE a=3}
+} {3 three}
+
+do_test multiplex-2.5.6 {
+  db eval {SELECT * FROM t1 WHERE a=5}
+} {5 five}
+
+do_test multiplex-2.5.7 {
+  db eval {SELECT a,length(b) FROM t1 WHERE a=2}
+} {2 4000}
+
+do_test multiplex-2.5.8 {
+  db eval {SELECT a,length(b) FROM t1 WHERE a=4}
+} {4 4000}
+
+do_test multiplex-2.5.9 { file size [multiplex_name test.x 0] } [list $g_chunk_size]
+do_test multiplex-2.5.10 { file size [multiplex_name test.x 1] } [list $g_chunk_size]
+
+do_test multiplex-2.5.99 {
+  db close
+  sqlite3_multiplex_shutdown
+} {SQLITE_OK}
+
+
+set all_journal_modes {delete persist truncate memory off}
+foreach jmode $all_journal_modes {
+  for {set sz 151} {$sz<8000} {set sz [expr $sz+419]} {
+
+    do_test multiplex-2.6.1.$sz.$jmode {
+      multiplex_delete test.db
+      sqlite3_multiplex_initialize "" 1
+      sqlite3 db test.db
+      multiplex_set db main $sz 32
+    } {SQLITE_OK}
+
+    do_test multiplex-2.6.2.$sz.$jmode {
+      db eval {
+        PRAGMA page_size = 1024;
+        PRAGMA auto_vacuum = off;
+      }
+      db eval "PRAGMA journal_mode = $jmode;"
+    } $jmode
+
+    do_test multiplex-2.6.3.$sz.$jmode { 
+      execsql { 
+        CREATE TABLE t1(a PRIMARY KEY, b);
+        INSERT INTO t1 VALUES(1, 'one');
+        INSERT INTO t1 VALUES(2, randomblob($g_chunk_size));
+      }
+    } {}
+
+    do_test multiplex-2.6.4.$sz.$jmode {
+      db eval {SELECT b FROM t1 WHERE a=1}
+    } {one}
+
+    do_test multiplex-2.6.5.$sz.$jmode {
+      db eval {SELECT length(b) FROM t1 WHERE a=2}
+    } [list $g_chunk_size]
+
+    do_test multiplex-2.6.6.$sz.$jmode { file size [multiplex_name test.db 0] } [list $g_chunk_size]
+
+    do_test multiplex-2.6.99.$sz.$jmode {
+      db close
+      sqlite3_multiplex_shutdown
+    } {SQLITE_OK}
+
+  }
+}
+
+do_test multiplex-2.7.1  { multiplex_delete test.db }                                       {}
+do_test multiplex-2.7.2  { sqlite3_multiplex_initialize "" 1 }                              {SQLITE_OK}
+do_test multiplex-2.7.3  { sqlite3 db test.db }                                             {}
+do_test multiplex-2.7.4  { lindex [ catchsql { SELECT multiplex_control(2, 65536); } ] 0 }  {0}
+do_test multiplex-2.7.5  { lindex [ catchsql { SELECT multiplex_control(1, 0); } ] 0 }      {0}
+do_test multiplex-2.7.6 { 
+  execsql { 
+    CREATE TABLE t1(a PRIMARY KEY, b);
+    INSERT INTO t1 VALUES(1, randomblob(1000));
+  }
+} {}
+# verify only one file, and file size is less than chunks size
+do_test multiplex-2.7.7  { expr ([file size [multiplex_name test.db 0]] < 65536) } {1}
+do_test multiplex-2.7.8  { file exists [multiplex_name test.db 1] }                {0}
+do_test multiplex-2.7.9 { 
+  execsql { 
+    INSERT INTO t1 VALUES(2, randomblob(65536));
+  }
+} {}
+# verify only one file, and file size exceeds chunks size
+do_test multiplex-2.7.10 { expr ([file size [multiplex_name test.db 0]] > 65536) } {1}
+do_test multiplex-2.7.11 { file exists [multiplex_name test.db 1] }                {0}
+do_test multiplex-2.7.12 { db close }                                              {}
+do_test multiplex-2.7.13 { sqlite3_multiplex_shutdown }                            {SQLITE_OK}
+
+#-------------------------------------------------------------------------
+# Try some tests with more than one connection to a database file. Still
+# in rollback mode.
+#
+#   multiplex-3.1.*: Two connections to a single database file.
+#
+#   multiplex-3.2.*: Two connections to each of several database files (that
+#                are in the same multiplex group).
+#
+do_test multiplex-3.1.1 {
+  multiplex_delete test.db
+  sqlite3_multiplex_initialize "" 1
+  sqlite3 db test.db
+  multiplex_set db main 32768 16
+} {SQLITE_OK}
+do_test multiplex-3.1.2 {
+  execsql {
+    PRAGMA page_size = 1024;
+    PRAGMA journal_mode = delete;
+    PRAGMA auto_vacuum = off;
+    CREATE TABLE t1(a PRIMARY KEY, b);
+    INSERT INTO t1 VALUES(1, 'one');
+  }
+  file size [multiplex_name test.db 0]
+} {3072}
+do_test multiplex-3.1.3 {
+  sqlite3 db2 test.db
+  execsql { CREATE TABLE t2(a, b) } db2
+} {}
+do_test multiplex-3.1.4 {
+  execsql { CREATE TABLE t3(a, b) }
+} {}
+do_test multiplex-3.1.5 {
+  catchsql { CREATE TABLE t3(a, b) }
+} {1 {table t3 already exists}}
+do_test multiplex-3.1.6 {
+  db close
+  db2 close
+} {}
+
+do_test multiplex-3.2.1a {
+
+  multiplex_delete test.db
+  multiplex_delete test2.db
+
+  sqlite3 db1a test.db
+  sqlite3 db2a test2.db
+
+  foreach db {db1a db2a} {
+    execsql {
+      PRAGMA page_size = 1024;
+      PRAGMA journal_mode = delete;
+      PRAGMA auto_vacuum = off;
+      CREATE TABLE t1(a, b);
+    } $db
+  }
+
+  list [file size [multiplex_name test.db 0]] [file size [multiplex_name test2.db 0]]
+} {2048 2048}
+
+do_test multiplex-3.2.1b {
+  sqlite3 db1b test.db
+  sqlite3 db2b test2.db
+} {}
+
+do_test multiplex-3.2.2 { execsql { INSERT INTO t1 VALUES('x', 'y') } db1a } {}
+do_test multiplex-3.2.3 { execsql { INSERT INTO t1 VALUES('v', 'w') } db1b } {}
+do_test multiplex-3.2.4 { execsql { INSERT INTO t1 VALUES('t', 'u') } db2a } {}
+do_test multiplex-3.2.5 { execsql { INSERT INTO t1 VALUES('r', 's') } db2b } {}
+
+do_test multiplex-3.2.6 { 
+  execsql { INSERT INTO t1 VALUES(randomblob(500), randomblob(500)) } db1a
+} {}
+do_test multiplex-3.2.7 { 
+  execsql { INSERT INTO t1 VALUES(randomblob(500), randomblob(500)) } db1b
+} {}
+do_test multiplex-3.2.8 { 
+  execsql { INSERT INTO t1 VALUES(randomblob(500), randomblob(500)) } db2a
+} {}
+do_test multiplex-3.2.9 { 
+  execsql { INSERT INTO t1 VALUES(randomblob(500), randomblob(500)) } db2b
+} {}
+
+do_test multiplex-3.3.1 { 
+  execsql { INSERT INTO t1 VALUES(randomblob(500), randomblob(500)) } db1a
+  execsql { INSERT INTO t1 VALUES(randomblob(500), randomblob(500)) } db1b
+  execsql { INSERT INTO t1 VALUES(randomblob(500), randomblob(500)) } db2a
+  execsql { INSERT INTO t1 VALUES(randomblob(500), randomblob(500)) } db2b
+} {}
+
+do_test multiplex-3.2.X {
+  foreach db {db1a db2a db2b db1b} { catch { $db close } }
+} {}
+
+#-------------------------------------------------------------------------
+#
+
+sqlite3_multiplex_initialize "" 1
+multiplex_set db main 32768 16
+
+# Return a list of all currently defined multiplexs.
+proc multiplex_list {} {
+  glob -nocomplain test2.db*
+}
+
+do_test multiplex-4.1.6 {
+  multiplex_delete test2.db
+  sqlite3 db test2.db
+  db eval {CREATE TABLE t2(x); INSERT INTO t2 VALUES('tab-t2');}
+  set res [multiplex_list]
+  list [regexp {test2.db} $res]
+} {1}
+do_test multiplex-4.1.6a {
+  sqlite3 db2 test2.db
+  db2 eval {SELECT * FROM t2}
+} {tab-t2}
+do_test multiplex-4.1.7 {
+  execsql {INSERT INTO t2 VALUES(zeroblob(200000))}
+} {}
+do_test multiplex-4.1.8 {
+  sqlite3 db2 test2.db
+  db2 eval {SELECT count(*) FROM t2}
+} {2}
+do_test multiplex-4.1.8a {
+   db2 eval { DELETE FROM t2 WHERE x = 'tab-t2' }
+} {}
+do_test multiplex-4.1.8b {
+  sqlite3 db2 test2.db
+  db2 eval {SELECT count(*) FROM t2}
+} {1}
+
+
+do_test multiplex-4.1.9 {
+  execsql {INSERT INTO t2 VALUES(zeroblob(200000))}
+} {}
+do_test multiplex-4.1.10 {
+  set res [multiplex_list]
+  list [regexp {test2.db} $res]
+} {1}
+do_test multiplex-4.1.11 {
+  db2 close
+  set res [multiplex_list]
+  list [regexp {test2.db} $res]
+} {1}
+do_test multiplex-4.1.12 {
+  db close
+  multiplex_list
+} {test2.db}
+
+
+#-------------------------------------------------------------------------
+# The following tests test that the multiplex VFS handles malloc and IO 
+# errors.
+#
+
+sqlite3_multiplex_initialize "" 1
+multiplex_set db main 32768 16
+
+do_faultsim_test multiplex-5.1 -prep {
+  catch {db close}
+} -body {
+  sqlite3 db test2.db
+}
+do_faultsim_test multiplex-5.2 -prep {
+  catch {db close}
+} -body {
+  sqlite3 db test.db
+}
+
+catch { db close }
+multiplex_delete test.db
+multiplex_delete test2.db
+
+do_test multiplex-5.3.prep {
+  sqlite3 db test.db
+  execsql {
+    PRAGMA auto_vacuum = 1;
+    PRAGMA page_size = 1024;
+    CREATE TABLE t1(a, b);
+    INSERT INTO t1 VALUES(10, zeroblob(1200));
+  }
+  faultsim_save_and_close
+} {}
+do_faultsim_test multiplex-5.3 -prep {
+  faultsim_restore_and_reopen
+} -body {
+  execsql { DELETE FROM t1 }
+}
+
+do_test multiplex-5.4.1 {
+  catch { db close }
+  multiplex_delete test.db
+  file mkdir test.db
+  list [catch { sqlite3 db test.db } msg] $msg
+} {1 {unable to open database file}}
+catch { delete_file test.db }
+
+do_faultsim_test multiplex-5.5 -prep {
+  catch { sqlite3_multiplex_shutdown }
+} -body {
+  sqlite3_multiplex_initialize "" 1
+  multiplex_set db main 32768 16
+}
+
+#-------------------------------------------------------------------------
+# Test that you can vacuum a multiplex'ed DB.  
+
+ifcapable vacuum {
+
+sqlite3_multiplex_shutdown
+do_test multiplex-6.0.0 {
+  multiplex_delete test.db
+  multiplex_delete test.x
+  sqlite3_multiplex_initialize "" 1
+  sqlite3 db test.x
+  multiplex_set db main 4096 16
+} {SQLITE_OK}
+
+do_test multiplex-6.1.0 {
+  execsql {
+    PRAGMA page_size=1024;
+    PRAGMA journal_mode=DELETE;
+    PRAGMA auto_vacuum=OFF;
+  }
+  execsql {
+    CREATE TABLE t1(a, b);
+    INSERT INTO t1 VALUES(1, randomblob($g_chunk_size));
+    INSERT INTO t1 VALUES(2, randomblob($g_chunk_size));
+  }
+} {}
+do_test multiplex-6.2.1 { file size [multiplex_name test.x 0] } [list $g_chunk_size]
+do_test multiplex-6.2.2 { file size [multiplex_name test.x 1] } [list $g_chunk_size]
+
+do_test multiplex-6.3.0 {
+  execsql { VACUUM }
+} {}
+
+do_test multiplex-6.99 {
+  db close
+  multiplex_delete test.x
+  sqlite3_multiplex_shutdown
+} {SQLITE_OK}
+
+}
+
+
+catch { db close }
+catch { sqlite3_multiplex_shutdown }
+sqlite3_shutdown
+test_sqlite3_log 
+sqlite3_initialize
+finish_test