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Unified Diff: third_party/sqlite/sqlite-src-3080704/test/malloc3.test

Issue 2363173002: [sqlite] Remove obsolete reference version 3.8.7.4. (Closed)
Patch Set: Created 4 years, 3 months ago
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Index: third_party/sqlite/sqlite-src-3080704/test/malloc3.test
diff --git a/third_party/sqlite/sqlite-src-3080704/test/malloc3.test b/third_party/sqlite/sqlite-src-3080704/test/malloc3.test
deleted file mode 100644
index f4a6c3bbe90873390c72dbcb8c2d2f580f43b9dc..0000000000000000000000000000000000000000
--- a/third_party/sqlite/sqlite-src-3080704/test/malloc3.test
+++ /dev/null
@@ -1,692 +0,0 @@
-# 2005 November 30
-#
-# 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 contains tests to ensure that the library handles malloc() failures
-# correctly. The emphasis of these tests are the _prepare(), _step() and
-# _finalize() calls.
-#
-# $Id: malloc3.test,v 1.24 2008/10/14 15:54:08 drh Exp $
-
-set testdir [file dirname $argv0]
-source $testdir/tester.tcl
-source $testdir/malloc_common.tcl
-
-# Only run these tests if memory debugging is turned on.
-#
-if {!$MEMDEBUG} {
- puts "Skipping malloc3 tests: not compiled with -DSQLITE_MEMDEBUG..."
- finish_test
- return
-}
-
-
-# Do not run these tests with an in-memory journal.
-#
-# In the pager layer, if an IO or OOM error occurs during a ROLLBACK, or
-# when flushing a page to disk due to cache-stress, the pager enters an
-# "error state". The only way out of the error state is to unlock the
-# database file and end the transaction, leaving whatever journal and
-# database files happen to be on disk in place. The next time the current
-# (or any other) connection opens a read transaction, hot-journal rollback
-# is performed if necessary.
-#
-# Of course, this doesn't work with an in-memory journal.
-#
-if {[permutation]=="inmemory_journal"} {
- finish_test
- return
-}
-
-#--------------------------------------------------------------------------
-# NOTES ON RECOVERING FROM A MALLOC FAILURE
-#
-# The tests in this file test the behaviours described in the following
-# paragraphs. These tests test the behaviour of the system when malloc() fails
-# inside of a call to _prepare(), _step(), _finalize() or _reset(). The
-# handling of malloc() failures within ancillary procedures is tested
-# elsewhere.
-#
-# Overview:
-#
-# Executing a statement is done in three stages (prepare, step and finalize). A
-# malloc() failure may occur within any stage. If a memory allocation fails
-# during statement preparation, no statement handle is returned. From the users
-# point of view the system state is as if _prepare() had never been called.
-#
-# If the memory allocation fails during the _step() or _finalize() calls, then
-# the database may be left in one of two states (after finalize() has been
-# called):
-#
-# * As if the neither _step() nor _finalize() had ever been called on
-# the statement handle (i.e. any changes made by the statement are
-# rolled back).
-# * The current transaction may be rolled back. In this case a hot-journal
-# may or may not actually be present in the filesystem.
-#
-# The caller can tell the difference between these two scenarios by invoking
-# _get_autocommit().
-#
-#
-# Handling of sqlite3_reset():
-#
-# If a malloc() fails while executing an sqlite3_reset() call, this is handled
-# in the same way as a failure within _finalize(). The statement handle
-# is not deleted and must be passed to _finalize() for resource deallocation.
-# Attempting to _step() or _reset() the statement after a failed _reset() will
-# always return SQLITE_NOMEM.
-#
-#
-# Other active SQL statements:
-#
-# The effect of a malloc failure on concurrently executing SQL statements,
-# particularly when the statement is executing with READ_UNCOMMITTED set and
-# the malloc() failure mandates statement rollback only. Currently, if
-# transaction rollback is required, all other vdbe's are aborted.
-#
-# Non-transient mallocs in btree.c:
-# * The Btree structure itself
-# * Each BtCursor structure
-#
-# Mallocs in pager.c:
-# readMasterJournal() - Space to read the master journal name
-# pager_delmaster() - Space for the entire master journal file
-#
-# sqlite3pager_open() - The pager structure itself
-# sqlite3_pagerget() - Space for a new page
-# pager_open_journal() - Pager.aInJournal[] bitmap
-# sqlite3pager_write() - For in-memory databases only: history page and
-# statement history page.
-# pager_stmt_begin() - Pager.aInStmt[] bitmap
-#
-# None of the above are a huge problem. The most troublesome failures are the
-# transient malloc() calls in btree.c, which can occur during the tree-balance
-# operation. This means the tree being balanced will be internally inconsistent
-# after the malloc() fails. To avoid the corrupt tree being read by a
-# READ_UNCOMMITTED query, we have to make sure the transaction or statement
-# rollback occurs before sqlite3_step() returns, not during a subsequent
-# sqlite3_finalize().
-#--------------------------------------------------------------------------
-
-#--------------------------------------------------------------------------
-# NOTES ON TEST IMPLEMENTATION
-#
-# The tests in this file are implemented differently from those in other
-# files. Instead, tests are specified using three primitives: SQL, PREP and
-# TEST. Each primitive has a single argument. Primitives are processed in
-# the order they are specified in the file.
-#
-# A TEST primitive specifies a TCL script as its argument. When a TEST
-# directive is encountered the Tcl script is evaluated. Usually, this Tcl
-# script contains one or more calls to [do_test].
-#
-# A PREP primitive specifies an SQL script as its argument. When a PREP
-# directive is encountered the SQL is evaluated using database connection
-# [db].
-#
-# The SQL primitives are where the action happens. An SQL primitive must
-# contain a single, valid SQL statement as its argument. When an SQL
-# primitive is encountered, it is evaluated one or more times to test the
-# behaviour of the system when malloc() fails during preparation or
-# execution of said statement. The Nth time the statement is executed,
-# the Nth malloc is said to fail. The statement is executed until it
-# succeeds, i.e. (M+1) times, where M is the number of mallocs() required
-# to prepare and execute the statement.
-#
-# Each time an SQL statement fails, the driver program (see proc [run_test]
-# below) figures out if a transaction has been automatically rolled back.
-# If not, it executes any TEST block immediately proceeding the SQL
-# statement, then reexecutes the SQL statement with the next value of N.
-#
-# If a transaction has been automatically rolled back, then the driver
-# program executes all the SQL specified as part of SQL or PREP primitives
-# between the current SQL statement and the most recent "BEGIN". Any
-# TEST block immediately proceeding the SQL statement is evaluated, and
-# then the SQL statement reexecuted with the incremented N value.
-#
-# That make any sense? If not, read the code in [run_test] and it might.
-#
-# Extra restriction imposed by the implementation:
-#
-# * If a PREP block starts a transaction, it must finish it.
-# * A PREP block may not close a transaction it did not start.
-#
-#--------------------------------------------------------------------------
-
-
-# These procs are used to build up a "program" in global variable
-# ::run_test_script. At the end of this file, the proc [run_test] is used
-# to execute the program (and all test cases contained therein).
-#
-set ::run_test_sql_id 0
-set ::run_test_script [list]
-proc TEST {id t} {lappend ::run_test_script -test [list $id $t]}
-proc PREP {p} {lappend ::run_test_script -prep [string trim $p]}
-proc DEBUG {s} {lappend ::run_test_script -debug $s}
-
-# SQL --
-#
-# SQL ?-norollback? <sql-text>
-#
-# Add an 'SQL' primitive to the program (see notes above). If the -norollback
-# switch is present, then the statement is not allowed to automatically roll
-# back any active transaction if malloc() fails. It must rollback the statement
-# transaction only.
-#
-proc SQL {a1 {a2 ""}} {
- # An SQL primitive parameter is a list of three elements, an id, a boolean
- # value indicating if the statement may cause transaction rollback when
- # malloc() fails, and the sql statement itself.
- set id [incr ::run_test_sql_id]
- if {$a2 == ""} {
- lappend ::run_test_script -sql [list $id true [string trim $a1]]
- } else {
- lappend ::run_test_script -sql [list $id false [string trim $a2]]
- }
-}
-
-# TEST_AUTOCOMMIT --
-#
-# A shorthand test to see if a transaction is active or not. The first
-# argument - $id - is the integer number of the test case. The second
-# argument is either 1 or 0, the expected value of the auto-commit flag.
-#
-proc TEST_AUTOCOMMIT {id a} {
- TEST $id "do_test \$testid { sqlite3_get_autocommit \$::DB } {$a}"
-}
-
-#--------------------------------------------------------------------------
-# Start of test program declaration
-#
-
-
-# Warm body test. A malloc() fails in the middle of a CREATE TABLE statement
-# in a single-statement transaction on an empty database. Not too much can go
-# wrong here.
-#
-TEST 1 {
- do_test $testid {
- execsql {SELECT tbl_name FROM sqlite_master;}
- } {}
-}
-SQL {
- CREATE TABLE IF NOT EXISTS abc(a, b, c);
-}
-TEST 2 {
- do_test $testid.1 {
- execsql {SELECT tbl_name FROM sqlite_master;}
- } {abc}
-}
-
-# Insert a couple of rows into the table. each insert is in its own
-# transaction. test that the table is unpopulated before running the inserts
-# (and hence after each failure of the first insert), and that it has been
-# populated correctly after the final insert succeeds.
-#
-TEST 3 {
- do_test $testid.2 {
- execsql {SELECT * FROM abc}
- } {}
-}
-SQL {INSERT INTO abc VALUES(1, 2, 3);}
-SQL {INSERT INTO abc VALUES(4, 5, 6);}
-SQL {INSERT INTO abc VALUES(7, 8, 9);}
-TEST 4 {
- do_test $testid {
- execsql {SELECT * FROM abc}
- } {1 2 3 4 5 6 7 8 9}
-}
-
-# Test a CREATE INDEX statement. Because the table 'abc' is so small, the index
-# will all fit on a single page, so this doesn't test too much that the CREATE
-# TABLE statement didn't test. A few of the transient malloc()s in btree.c
-# perhaps.
-#
-SQL {CREATE INDEX abc_i ON abc(a, b, c);}
-TEST 4 {
- do_test $testid {
- execsql {
- SELECT * FROM abc ORDER BY a DESC;
- }
- } {7 8 9 4 5 6 1 2 3}
-}
-
-# Test a DELETE statement. Also create a trigger and a view, just to make sure
-# these statements don't have any obvious malloc() related bugs in them. Note
-# that the test above will be executed each time the DELETE fails, so we're
-# also testing rollback of a DELETE from a table with an index on it.
-#
-SQL {DELETE FROM abc WHERE a > 2;}
-SQL {CREATE TRIGGER abc_t AFTER INSERT ON abc BEGIN SELECT 'trigger!'; END;}
-SQL {CREATE VIEW abc_v AS SELECT * FROM abc;}
-TEST 5 {
- do_test $testid {
- execsql {
- SELECT name, tbl_name FROM sqlite_master ORDER BY name;
- SELECT * FROM abc;
- }
- } {abc abc abc_i abc abc_t abc abc_v abc_v 1 2 3}
-}
-
-set sql {
- BEGIN;DELETE FROM abc;
-}
-for {set i 1} {$i < 100} {incr i} {
- set a $i
- set b "String value $i"
- set c [string repeat X $i]
- append sql "INSERT INTO abc VALUES ($a, '$b', '$c');"
-}
-append sql {COMMIT;}
-PREP $sql
-
-SQL {
- DELETE FROM abc WHERE oid IN (SELECT oid FROM abc ORDER BY random() LIMIT 5);
-}
-TEST 6 {
- do_test $testid.1 {
- execsql {SELECT count(*) FROM abc}
- } {94}
- do_test $testid.2 {
- execsql {
- SELECT min(
- (oid == a) AND 'String value ' || a == b AND a == length(c)
- ) FROM abc;
- }
- } {1}
-}
-SQL {
- DELETE FROM abc WHERE oid IN (SELECT oid FROM abc ORDER BY random() LIMIT 5);
-}
-TEST 7 {
- do_test $testid {
- execsql {SELECT count(*) FROM abc}
- } {89}
- do_test $testid {
- execsql {
- SELECT min(
- (oid == a) AND 'String value ' || a == b AND a == length(c)
- ) FROM abc;
- }
- } {1}
-}
-SQL {
- DELETE FROM abc WHERE oid IN (SELECT oid FROM abc ORDER BY random() LIMIT 5);
-}
-TEST 9 {
- do_test $testid {
- execsql {SELECT count(*) FROM abc}
- } {84}
- do_test $testid {
- execsql {
- SELECT min(
- (oid == a) AND 'String value ' || a == b AND a == length(c)
- ) FROM abc;
- }
- } {1}
-}
-
-set padding [string repeat X 500]
-PREP [subst {
- DROP TABLE abc;
- CREATE TABLE abc(a PRIMARY KEY, padding, b, c);
- INSERT INTO abc VALUES(0, '$padding', 2, 2);
- INSERT INTO abc VALUES(3, '$padding', 5, 5);
- INSERT INTO abc VALUES(6, '$padding', 8, 8);
-}]
-
-TEST 10 {
- do_test $testid {
- execsql {SELECT a, b, c FROM abc}
- } {0 2 2 3 5 5 6 8 8}
-}
-
-SQL {BEGIN;}
-SQL {INSERT INTO abc VALUES(9, 'XXXXX', 11, 12);}
-TEST_AUTOCOMMIT 11 0
-SQL -norollback {UPDATE abc SET a = a + 1, c = c + 1;}
-TEST_AUTOCOMMIT 12 0
-SQL {DELETE FROM abc WHERE a = 10;}
-TEST_AUTOCOMMIT 13 0
-SQL {COMMIT;}
-
-TEST 14 {
- do_test $testid.1 {
- sqlite3_get_autocommit $::DB
- } {1}
- do_test $testid.2 {
- execsql {SELECT a, b, c FROM abc}
- } {1 2 3 4 5 6 7 8 9}
-}
-
-PREP [subst {
- DROP TABLE abc;
- CREATE TABLE abc(a, padding, b, c);
- INSERT INTO abc VALUES(1, '$padding', 2, 3);
- INSERT INTO abc VALUES(4, '$padding', 5, 6);
- INSERT INTO abc VALUES(7, '$padding', 8, 9);
- CREATE INDEX abc_i ON abc(a, padding, b, c);
-}]
-
-TEST 15 {
- db eval {PRAGMA cache_size = 10}
-}
-
-SQL {BEGIN;}
-SQL -norllbck {INSERT INTO abc (oid, a, padding, b, c) SELECT NULL, * FROM abc}
-TEST 16 {
- do_test $testid {
- execsql {SELECT a, count(*) FROM abc GROUP BY a;}
- } {1 2 4 2 7 2}
-}
-SQL -norllbck {INSERT INTO abc (oid, a, padding, b, c) SELECT NULL, * FROM abc}
-TEST 17 {
- do_test $testid {
- execsql {SELECT a, count(*) FROM abc GROUP BY a;}
- } {1 4 4 4 7 4}
-}
-SQL -norllbck {INSERT INTO abc (oid, a, padding, b, c) SELECT NULL, * FROM abc}
-TEST 18 {
- do_test $testid {
- execsql {SELECT a, count(*) FROM abc GROUP BY a;}
- } {1 8 4 8 7 8}
-}
-SQL -norllbck {INSERT INTO abc (oid, a, padding, b, c) SELECT NULL, * FROM abc}
-TEST 19 {
- do_test $testid {
- execsql {SELECT a, count(*) FROM abc GROUP BY a;}
- } {1 16 4 16 7 16}
-}
-SQL {COMMIT;}
-TEST 21 {
- do_test $testid {
- execsql {SELECT a, count(*) FROM abc GROUP BY a;}
- } {1 16 4 16 7 16}
-}
-
-SQL {BEGIN;}
-SQL {DELETE FROM abc WHERE oid %2}
-TEST 22 {
- do_test $testid {
- execsql {SELECT a, count(*) FROM abc GROUP BY a;}
- } {1 8 4 8 7 8}
-}
-SQL {DELETE FROM abc}
-TEST 23 {
- do_test $testid {
- execsql {SELECT * FROM abc}
- } {}
-}
-SQL {ROLLBACK;}
-TEST 24 {
- do_test $testid {
- execsql {SELECT a, count(*) FROM abc GROUP BY a;}
- } {1 16 4 16 7 16}
-}
-
-# Test some schema modifications inside of a transaction. These should all
-# cause transaction rollback if they fail. Also query a view, to cover a bit
-# more code.
-#
-PREP {DROP VIEW abc_v;}
-TEST 25 {
- do_test $testid {
- execsql {
- SELECT name, tbl_name FROM sqlite_master;
- }
- } {abc abc abc_i abc}
-}
-SQL {BEGIN;}
-SQL {CREATE TABLE def(d, e, f);}
-SQL {CREATE TABLE ghi(g, h, i);}
-TEST 26 {
- do_test $testid {
- execsql {
- SELECT name, tbl_name FROM sqlite_master;
- }
- } {abc abc abc_i abc def def ghi ghi}
-}
-SQL {CREATE VIEW v1 AS SELECT * FROM def, ghi}
-SQL {CREATE UNIQUE INDEX ghi_i1 ON ghi(g);}
-TEST 27 {
- do_test $testid {
- execsql {
- SELECT name, tbl_name FROM sqlite_master;
- }
- } {abc abc abc_i abc def def ghi ghi v1 v1 ghi_i1 ghi}
-}
-SQL {INSERT INTO def VALUES('a', 'b', 'c')}
-SQL {INSERT INTO def VALUES(1, 2, 3)}
-SQL -norollback {INSERT INTO ghi SELECT * FROM def}
-TEST 28 {
- do_test $testid {
- execsql {
- SELECT * FROM def, ghi WHERE d = g;
- }
- } {a b c a b c 1 2 3 1 2 3}
-}
-SQL {COMMIT}
-TEST 29 {
- do_test $testid {
- execsql {
- SELECT * FROM v1 WHERE d = g;
- }
- } {a b c a b c 1 2 3 1 2 3}
-}
-
-# Test a simple multi-file transaction
-#
-forcedelete test2.db
-ifcapable attach {
- SQL {ATTACH 'test2.db' AS aux;}
- SQL {BEGIN}
- SQL {CREATE TABLE aux.tbl2(x, y, z)}
- SQL {INSERT INTO tbl2 VALUES(1, 2, 3)}
- SQL {INSERT INTO def VALUES(4, 5, 6)}
- TEST 30 {
- do_test $testid {
- execsql {
- SELECT * FROM tbl2, def WHERE d = x;
- }
- } {1 2 3 1 2 3}
- }
- SQL {COMMIT}
- TEST 31 {
- do_test $testid {
- execsql {
- SELECT * FROM tbl2, def WHERE d = x;
- }
- } {1 2 3 1 2 3}
- }
-}
-
-# Test what happens when a malloc() fails while there are other active
-# statements. This changes the way sqlite3VdbeHalt() works.
-TEST 32 {
- if {![info exists ::STMT32]} {
- set sql "SELECT name FROM sqlite_master"
- set ::STMT32 [sqlite3_prepare $::DB $sql -1 DUMMY]
- do_test $testid {
- sqlite3_step $::STMT32
- } {SQLITE_ROW}
- }
-}
-SQL BEGIN
-TEST 33 {
- do_test $testid {
- execsql {SELECT * FROM ghi}
- } {a b c 1 2 3}
-}
-SQL -norollback {
- -- There is a unique index on ghi(g), so this statement may not cause
- -- an automatic ROLLBACK. Hence the "-norollback" switch.
- INSERT INTO ghi SELECT '2'||g, h, i FROM ghi;
-}
-TEST 34 {
- if {[info exists ::STMT32]} {
- do_test $testid {
- sqlite3_finalize $::STMT32
- } {SQLITE_OK}
- unset ::STMT32
- }
-}
-SQL COMMIT
-
-#
-# End of test program declaration
-#--------------------------------------------------------------------------
-
-proc run_test {arglist iRepeat {pcstart 0} {iFailStart 1}} {
- if {[llength $arglist] %2} {
- error "Uneven number of arguments to TEST"
- }
-
- for {set i 0} {$i < $pcstart} {incr i} {
- set k2 [lindex $arglist [expr {2 * $i}]]
- set v2 [lindex $arglist [expr {2 * $i + 1}]]
- set ac [sqlite3_get_autocommit $::DB] ;# Auto-Commit
- switch -- $k2 {
- -sql {db eval [lindex $v2 2]}
- -prep {db eval $v2}
- -debug {eval $v2}
- }
- set nac [sqlite3_get_autocommit $::DB] ;# New Auto-Commit
- if {$ac && !$nac} {set begin_pc $i}
- }
-
- db rollback_hook [list incr ::rollback_hook_count]
-
- set iFail $iFailStart
- set pc $pcstart
- while {$pc*2 < [llength $arglist]} {
- # Fetch the current instruction type and payload.
- set k [lindex $arglist [expr {2 * $pc}]]
- set v [lindex $arglist [expr {2 * $pc + 1}]]
-
- # Id of this iteration:
- set iterid "pc=$pc.iFail=$iFail$k"
-
- switch -- $k {
-
- -test {
- foreach {id script} $v {}
- set testid "malloc3-(test $id).$iterid"
- eval $script
- incr pc
- }
-
- -sql {
- set ::rollback_hook_count 0
-
- set id [lindex $v 0]
- set testid "malloc3-(integrity $id).$iterid"
-
- set ac [sqlite3_get_autocommit $::DB] ;# Auto-Commit
- sqlite3_memdebug_fail $iFail -repeat 0
- set rc [catch {db eval [lindex $v 2]} msg] ;# True error occurs
- set nac [sqlite3_get_autocommit $::DB] ;# New Auto-Commit
-
- if {$rc != 0 && $nac && !$ac} {
- # Before [db eval] the auto-commit flag was clear. Now it
- # is set. Since an error occurred we assume this was not a
- # commit - therefore a rollback occurred. Check that the
- # rollback-hook was invoked.
- do_test malloc3-rollback_hook_count.$iterid {
- set ::rollback_hook_count
- } {1}
- }
-
- set nFail [sqlite3_memdebug_fail -1 -benigncnt nBenign]
- if {$rc == 0} {
- # Successful execution of sql. The number of failed malloc()
- # calls should be equal to the number of benign failures.
- # Otherwise a malloc() failed and the error was not reported.
- #
- set expr {$nFail!=$nBenign}
- if {[expr $expr]} {
- error "Unreported malloc() failure, test \"$testid\", $expr"
- }
-
- if {$ac && !$nac} {
- # Before the [db eval] the auto-commit flag was set, now it
- # is clear. We can deduce that a "BEGIN" statement has just
- # been successfully executed.
- set begin_pc $pc
- }
-
- incr pc
- set iFail 1
- integrity_check $testid
- } elseif {[regexp {.*out of memory} $msg] || [db errorcode] == 3082} {
- # Out of memory error, as expected.
- #
- integrity_check $testid
- incr iFail
- if {$nac && !$ac} {
- if {![lindex $v 1] && [db errorcode] != 3082} {
- # error "Statement \"[lindex $v 2]\" caused a rollback"
- }
-
- for {set i $begin_pc} {$i < $pc} {incr i} {
- set k2 [lindex $arglist [expr {2 * $i}]]
- set v2 [lindex $arglist [expr {2 * $i + 1}]]
- set catchupsql ""
- switch -- $k2 {
- -sql {set catchupsql [lindex $v2 2]}
- -prep {set catchupsql $v2}
- }
- db eval $catchupsql
- }
- }
- } else {
- error $msg
- }
-
- # back up to the previous "-test" block.
- while {[lindex $arglist [expr {2 * ($pc - 1)}]] == "-test"} {
- incr pc -1
- }
- }
-
- -prep {
- db eval $v
- incr pc
- }
-
- -debug {
- eval $v
- incr pc
- }
-
- default { error "Unknown switch: $k" }
- }
- }
-}
-
-# Turn off the Tcl interface's prepared statement caching facility. Then
-# run the tests with "persistent" malloc failures.
-sqlite3_extended_result_codes db 1
-db cache size 0
-run_test $::run_test_script 1
-
-# Close and reopen the db.
-db close
-forcedelete test.db test.db-journal test2.db test2.db-journal
-sqlite3 db test.db
-sqlite3_extended_result_codes db 1
-set ::DB [sqlite3_connection_pointer db]
-
-# Turn off the Tcl interface's prepared statement caching facility in
-# the new connnection. Then run the tests with "transient" malloc failures.
-db cache size 0
-run_test $::run_test_script 0
-
-sqlite3_memdebug_fail -1
-finish_test
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