diff options
| author | bernard <[email protected]> | 2017-11-02 13:50:42 +0800 |
|---|---|---|
| committer | bernard <[email protected]> | 2017-11-02 13:50:42 +0800 |
| commit | b2057f506a09e2adef81fc77efd697d16ae14bec (patch) | |
| tree | 3affefabfe376a0ec1b3ac4a5eef957c1dd58dc8 /components/external/SQLite-3.8.1/test/malloc.test | |
| parent | 23582c8129228b4961ad35319cfd2d270039345f (diff) | |
[External] Remove external from RT-Thread
Diffstat (limited to 'components/external/SQLite-3.8.1/test/malloc.test')
| -rw-r--r-- | components/external/SQLite-3.8.1/test/malloc.test | 890 |
1 files changed, 0 insertions, 890 deletions
diff --git a/components/external/SQLite-3.8.1/test/malloc.test b/components/external/SQLite-3.8.1/test/malloc.test deleted file mode 100644 index 5d03aa8fe8..0000000000 --- a/components/external/SQLite-3.8.1/test/malloc.test +++ /dev/null @@ -1,890 +0,0 @@ -# 2001 September 15 -# -# 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 attempts to check the behavior of the SQLite library in -# an out-of-memory situation. When compiled with -DSQLITE_DEBUG=1, -# the SQLite library accepts a special command (sqlite3_memdebug_fail N C) -# which causes the N-th malloc to fail. This special feature is used -# to see what happens in the library if a malloc were to really fail -# due to an out-of-memory situation. -# -# $Id: malloc.test,v 1.81 2009/06/24 13:13:45 drh Exp $ - -set testdir [file dirname $argv0] -source $testdir/tester.tcl - - -# Only run these tests if memory debugging is turned on. -# -source $testdir/malloc_common.tcl -if {!$MEMDEBUG} { - puts "Skipping malloc tests: not compiled with -DSQLITE_MEMDEBUG..." - finish_test - return -} - -# Do a couple of memory dumps just to exercise the memory dump logic -# that that we can say that we have. -# -puts stderr "This is a test. Ignore the error that follows:" -sqlite3_memdebug_dump $testdir -puts "Memory dump to file memdump.txt..." -sqlite3_memdebug_dump memdump.txt - -ifcapable bloblit&&subquery { - do_malloc_test 1 -tclprep { - db close - } -tclbody { - if {[catch {sqlite3 db test.db}]} { - error "out of memory" - } - sqlite3_extended_result_codes db 1 - } -sqlbody { - DROP TABLE IF EXISTS t1; - CREATE TABLE t1( - a int, b float, c double, d text, e varchar(20), - primary key(a,b,c) - ); - CREATE INDEX i1 ON t1(a,b); - INSERT INTO t1 VALUES(1,2.3,4.5,'hi',x'746865726500'); - INSERT INTO t1 VALUES(6,7.0,0.8,'hello','out yonder'); - SELECT * FROM t1; - SELECT avg(b) FROM t1 GROUP BY a HAVING b>20.0; - DELETE FROM t1 WHERE a IN (SELECT min(a) FROM t1); - SELECT count(*), group_concat(e) FROM t1; - SELECT b FROM t1 ORDER BY 1 COLLATE nocase; - } -} - -# Ensure that no file descriptors were leaked. -do_test malloc-1.X { - catch {db close} - set sqlite_open_file_count -} {0} - -ifcapable subquery { - do_malloc_test 2 -sqlbody { - CREATE TABLE t1(a int, b int default 'abc', c int default 1); - CREATE INDEX i1 ON t1(a,b); - INSERT INTO t1 VALUES(1,1,'99 abcdefghijklmnopqrstuvwxyz'); - INSERT INTO t1 VALUES(2,4,'98 abcdefghijklmnopqrstuvwxyz'); - INSERT INTO t1 VALUES(3,9,'97 abcdefghijklmnopqrstuvwxyz'); - INSERT INTO t1 VALUES(4,16,'96 abcdefghijklmnopqrstuvwxyz'); - INSERT INTO t1 VALUES(5,25,'95 abcdefghijklmnopqrstuvwxyz'); - INSERT INTO t1 VALUES(6,36,'94 abcdefghijklmnopqrstuvwxyz'); - SELECT 'stuff', count(*) as 'other stuff', max(a+10) FROM t1; - UPDATE t1 SET b=b||b||b||b; - UPDATE t1 SET b=a WHERE a in (10,12,22); - INSERT INTO t1(c,b,a) VALUES(20,10,5); - INSERT INTO t1 SELECT * FROM t1 - WHERE a IN (SELECT a FROM t1 WHERE a<10); - DELETE FROM t1 WHERE a>=10; - DROP INDEX i1; - DELETE FROM t1; - } -} - -# Ensure that no file descriptors were leaked. -do_test malloc-2.X { - catch {db close} - set sqlite_open_file_count -} {0} - -do_malloc_test 3 -sqlbody { - BEGIN TRANSACTION; - CREATE TABLE t1(a int, b int, c int); - CREATE INDEX i1 ON t1(a,b); - INSERT INTO t1 VALUES(1,1,99); - INSERT INTO t1 VALUES(2,4,98); - INSERT INTO t1 VALUES(3,9,97); - INSERT INTO t1 VALUES(4,16,96); - INSERT INTO t1 VALUES(5,25,95); - INSERT INTO t1 VALUES(6,36,94); - INSERT INTO t1(c,b,a) VALUES(20,10,5); - DELETE FROM t1 WHERE a>=10; - DROP INDEX i1; - DELETE FROM t1; - ROLLBACK; -} - - -# Ensure that no file descriptors were leaked. -do_test malloc-3.X { - catch {db close} - set sqlite_open_file_count -} {0} - -ifcapable subquery { - do_malloc_test 4 -sqlbody { - BEGIN TRANSACTION; - CREATE TABLE t1(a int, b int, c int); - CREATE INDEX i1 ON t1(a,b); - INSERT INTO t1 VALUES(1,1,99); - INSERT INTO t1 VALUES(2,4,98); - INSERT INTO t1 VALUES(3,9,97); - INSERT INTO t1 VALUES(4,16,96); - INSERT INTO t1 VALUES(5,25,95); - INSERT INTO t1 VALUES(6,36,94); - UPDATE t1 SET b=a WHERE a in (10,12,22); - INSERT INTO t1 SELECT * FROM t1 - WHERE a IN (SELECT a FROM t1 WHERE a<10); - DROP INDEX i1; - DELETE FROM t1; - COMMIT; - } -} - -# Ensure that no file descriptors were leaked. -do_test malloc-4.X { - catch {db close} - set sqlite_open_file_count -} {0} - -ifcapable trigger { - do_malloc_test 5 -sqlbody { - BEGIN TRANSACTION; - CREATE TABLE t1(a,b); - CREATE TABLE t2(x,y); - CREATE TRIGGER r1 AFTER INSERT ON t1 WHEN new.a = 2 BEGIN - INSERT INTO t2(x,y) VALUES(new.rowid,1); - INSERT INTO t2(x,y) SELECT * FROM t2; - INSERT INTO t2 SELECT * FROM t2; - UPDATE t2 SET y=y+1 WHERE x=new.rowid; - SELECT 123; - DELETE FROM t2 WHERE x=new.rowid; - END; - INSERT INTO t1(a,b) VALUES(2,3); - COMMIT; - } -} - -# Ensure that no file descriptors were leaked. -do_test malloc-5.X { - catch {db close} - set sqlite_open_file_count -} {0} - -ifcapable vacuum { - do_malloc_test 6 -sqlprep { - BEGIN TRANSACTION; - CREATE TABLE t1(a); - INSERT INTO t1 VALUES(1); - INSERT INTO t1 SELECT a*2 FROM t1; - INSERT INTO t1 SELECT a*2 FROM t1; - INSERT INTO t1 SELECT a*2 FROM t1; - INSERT INTO t1 SELECT a*2 FROM t1; - INSERT INTO t1 SELECT a*2 FROM t1; - INSERT INTO t1 SELECT a*2 FROM t1; - INSERT INTO t1 SELECT a*2 FROM t1; - INSERT INTO t1 SELECT a*2 FROM t1; - INSERT INTO t1 SELECT a*2 FROM t1; - INSERT INTO t1 SELECT a*2 FROM t1; - DELETE FROM t1 where rowid%5 = 0; - COMMIT; - } -sqlbody { - VACUUM; - } -} - -autoinstall_test_functions -do_malloc_test 7 -sqlprep { - CREATE TABLE t1(a, b); - INSERT INTO t1 VALUES(1, 2); - INSERT INTO t1 VALUES(3, 4); - INSERT INTO t1 VALUES(5, 6); - INSERT INTO t1 VALUES(7, randstr(1200,1200)); -} -sqlbody { - SELECT min(a) FROM t1 WHERE a<6 GROUP BY b; - SELECT a FROM t1 WHERE a<6 ORDER BY a; - SELECT b FROM t1 WHERE a>6; -} - -# This block is designed to test that some malloc failures that may -# occur in vdbeapi.c. Specifically, if a malloc failure that occurs -# when converting UTF-16 text to integers and real numbers is handled -# correctly. -# -# This is done by retrieving a string from the database engine and -# manipulating it using the sqlite3_column_*** APIs. This doesn't -# actually return an error to the user when a malloc() fails.. That -# could be viewed as a bug. -# -# These tests only run if UTF-16 support is compiled in. -# -ifcapable utf16 { - set ::STMT {} - do_malloc_test 8 -tclprep { - set sql "SELECT '[string repeat abc 20]', '[string repeat def 20]', ?" - set ::STMT [sqlite3_prepare db $sql -1 X] - sqlite3_step $::STMT - if { $::tcl_platform(byteOrder)=="littleEndian" } { - set ::bomstr "\xFF\xFE" - } else { - set ::bomstr "\xFE\xFF" - } - append ::bomstr [encoding convertto unicode "123456789_123456789_123456789"] - } -tclbody { - sqlite3_column_text16 $::STMT 0 - sqlite3_column_int $::STMT 0 - sqlite3_column_text16 $::STMT 1 - sqlite3_column_double $::STMT 1 - set rc [sqlite3_reset $::STMT] - if {$rc eq "SQLITE_NOMEM"} {error "out of memory"} - sqlite3_bind_text16 $::STMT 1 $::bomstr 60 - #catch {sqlite3_finalize $::STMT} - #if {[lindex [sqlite_malloc_stat] 2]<=0} { - # error "out of memory" - #} - } -cleanup { - if {$::STMT!=""} { - sqlite3_finalize $::STMT - set ::STMT {} - } - } -} - -# This block tests that malloc() failures that occur whilst commiting -# a multi-file transaction are handled correctly. -# -do_malloc_test 9 -sqlprep { - ATTACH 'test2.db' as test2; - CREATE TABLE abc1(a, b, c); - CREATE TABLE test2.abc2(a, b, c); -} -sqlbody { - BEGIN; - INSERT INTO abc1 VALUES(1, 2, 3); - INSERT INTO abc2 VALUES(1, 2, 3); - COMMIT; -} - -# This block tests malloc() failures that occur while opening a -# connection to a database. -do_malloc_test 10 -tclprep { - catch {db2 close} - db close - forcedelete test.db test.db-journal - sqlite3 db test.db - sqlite3_extended_result_codes db 1 - db eval {CREATE TABLE abc(a, b, c)} -} -tclbody { - db close - sqlite3 db2 test.db - sqlite3_extended_result_codes db2 1 - db2 eval {SELECT * FROM sqlite_master} - db2 close -} - -# This block tests malloc() failures that occur within calls to -# sqlite3_create_function(). -do_malloc_test 11 -tclbody { - set rc [sqlite3_create_function db] - if {[string match $rc SQLITE_OK]} { - set rc [sqlite3_create_aggregate db] - } - if {[string match $rc SQLITE_NOMEM]} { - error "out of memory" - } -} - -do_malloc_test 12 -tclbody { - set sql16 [encoding convertto unicode "SELECT * FROM sqlite_master"] - append sql16 "\00\00" - set ::STMT [sqlite3_prepare16 db $sql16 -1 DUMMY] - sqlite3_finalize $::STMT -} - -# Test malloc errors when replaying two hot journals from a 2-file -# transaction. -ifcapable crashtest&&attach { - do_malloc_test 13 -tclprep { - set rc [crashsql -delay 1 -file test2.db { - ATTACH 'test2.db' as aux; - PRAGMA cache_size = 10; - BEGIN; - CREATE TABLE aux.t2(a, b, c); - CREATE TABLE t1(a, b, c); - COMMIT; - }] - if {$rc!="1 {child process exited abnormally}"} { - error "Wrong error message: $rc" - } - } -tclbody { - db eval {ATTACH 'test2.db' as aux;} - set rc [catch {db eval { - SELECT * FROM t1; - SELECT * FROM t2; - }} err] - if {$rc && $err!="no such table: t1"} { - error $err - } - } -} - -if {$tcl_platform(platform)!="windows"} { - do_malloc_test 14 -tclprep { - catch {db close} - sqlite3 db2 test2.db - sqlite3_extended_result_codes db2 1 - db2 eval { - PRAGMA journal_mode = DELETE; /* For inmemory_journal permutation */ - PRAGMA synchronous = 0; - CREATE TABLE t1(a, b); - INSERT INTO t1 VALUES(1, 2); - BEGIN; - INSERT INTO t1 VALUES(3, 4); - } - forcecopy test2.db test.db - forcecopy test2.db-journal test.db-journal - db2 close - } -tclbody { - sqlite3 db test.db - sqlite3_extended_result_codes db 1 - - # If an out-of-memory occurs within a call to a VFS layer function during - # hot-journal rollback, sqlite will report SQLITE_CORRUPT. See commit - # [5668] for details. - set rc [catch {db eval { SELECT * FROM t1 }} msg] - if {$msg eq "database disk image is malformed"} { set msg "out of memory" } - if {$rc} { error $msg } - set msg - } -} - -proc string_compare {a b} { - return [string compare $a $b] -} - -# Test for malloc() failures in sqlite3_create_collation() and -# sqlite3_create_collation16(). -# -ifcapable utf16 { - do_malloc_test 15 -start 4 -tclbody { - db collate string_compare string_compare - if {[catch {add_test_collate db 1 1 1} msg]} { - if {$msg=="SQLITE_NOMEM"} {set msg "out of memory"} - error $msg - } - - db complete {SELECT "hello """||'world"' [microsoft], * FROM anicetable;} - db complete {-- Useful comment} - - execsql { - CREATE TABLE t1(a, b COLLATE string_compare); - INSERT INTO t1 VALUES(10, 'string'); - INSERT INTO t1 VALUES(10, 'string2'); - } - } -} - -# Also test sqlite3_complete(). There are (currently) no malloc() -# calls in this function, but test anyway against future changes. -# -do_malloc_test 16 -tclbody { - db complete {SELECT "hello """||'world"' [microsoft], * FROM anicetable;} - db complete {-- Useful comment} - db eval { - SELECT * FROM sqlite_master; - } -} - -# Test handling of malloc() failures in sqlite3_open16(). -# -ifcapable utf16 { - do_malloc_test 17 -tclbody { - set DB2 0 - set STMT 0 - - # open database using sqlite3_open16() - set filename [encoding convertto unicode test.db] - append filename "\x00\x00" - set DB2 [sqlite3_open16 $filename -unused] - if {0==$DB2} { - error "out of memory" - } - sqlite3_extended_result_codes $DB2 1 - - # Prepare statement - set rc [catch {sqlite3_prepare $DB2 {SELECT * FROM sqlite_master} -1 X} msg] - if {[sqlite3_errcode $DB2] eq "SQLITE_IOERR+12"} { - error "out of memory" - } - if {[regexp ".*automatic extension loading.*" [sqlite3_errmsg $DB2]]} { - error "out of memory" - } - if {$rc} { - error [string range $msg 4 end] - } - set STMT $msg - - # Finalize statement - set rc [sqlite3_finalize $STMT] - if {$rc!="SQLITE_OK"} { - error [sqlite3_errmsg $DB2] - } - set STMT 0 - - # Close database - set rc [sqlite3_close $DB2] - if {$rc!="SQLITE_OK"} { - error [sqlite3_errmsg $DB2] - } - set DB2 0 - } -cleanup { - if {$STMT!="0"} { - sqlite3_finalize $STMT - } - if {$DB2!="0"} { - set rc [sqlite3_close $DB2] - } - } -} - -# Test handling of malloc() failures in sqlite3_errmsg16(). -# -ifcapable utf16 { - do_malloc_test 18 -tclprep { - catch { - db eval "SELECT [string repeat longcolumnname 10] FROM sqlite_master" - } - } -tclbody { - set utf16 [sqlite3_errmsg16 [sqlite3_connection_pointer db]] - binary scan $utf16 c* bytes - if {[llength $bytes]==0} { - error "out of memory" - } - } -} - -# This test is aimed at coverage testing. Specificly, it is supposed to -# cause a malloc() only used when converting between the two utf-16 -# encodings to fail (i.e. little-endian->big-endian). It only actually -# hits this malloc() on little-endian hosts. -# -set static_string "\x00h\x00e\x00l\x00l\x00o" -for {set l 0} {$l<10} {incr l} { - append static_string $static_string -} -append static_string "\x00\x00" -do_malloc_test 19 -tclprep { - execsql { - PRAGMA encoding = "UTF16be"; - CREATE TABLE abc(a, b, c); - } -} -tclbody { - unset -nocomplain ::STMT - set r [catch { - set ::STMT [sqlite3_prepare db {SELECT ?} -1 DUMMY] - sqlite3_bind_text16 -static $::STMT 1 $static_string 112 - } msg] - if {$r} {error [string range $msg 4 end]} - set msg -} -cleanup { - if {[info exists ::STMT]} { - sqlite3_finalize $::STMT - } -} -unset static_string - -# Make sure SQLITE_NOMEM is reported out on an ATTACH failure even -# when the malloc failure occurs within the nested parse. -# -ifcapable attach { - do_malloc_test 20 -tclprep { - db close - forcedelete test2.db test2.db-journal - sqlite3 db test2.db - sqlite3_extended_result_codes db 1 - db eval {CREATE TABLE t1(x);} - db close - } -tclbody { - if {[catch {sqlite3 db test.db}]} { - error "out of memory" - } - sqlite3_extended_result_codes db 1 - } -sqlbody { - ATTACH DATABASE 'test2.db' AS t2; - SELECT * FROM t1; - DETACH DATABASE t2; - } -} - -# Test malloc failure whilst installing a foreign key. -# -ifcapable foreignkey { - do_malloc_test 21 -sqlbody { - CREATE TABLE abc(a, b, c, FOREIGN KEY(a) REFERENCES abc(b)) - } -} - -# Test malloc failure in an sqlite3_prepare_v2() call. -# -do_malloc_test 22 -tclbody { - set ::STMT "" - set r [catch { - set ::STMT [ - sqlite3_prepare_v2 db "SELECT * FROM sqlite_master" -1 DUMMY - ] - } msg] - if {$r} {error [string range $msg 4 end]} -} -cleanup { - if {$::STMT ne ""} { - sqlite3_finalize $::STMT - set ::STMT "" - } -} - -ifcapable {pager_pragmas} { - # This tests a special case - that an error that occurs while the pager - # is trying to recover from error-state in exclusive-access mode works. - # - do_malloc_test 23 -tclprep { - db eval { - PRAGMA cache_size = 10; - PRAGMA locking_mode = exclusive; - BEGIN; - CREATE TABLE abc(a, b, c); - CREATE INDEX abc_i ON abc(a, b, c); - INSERT INTO abc - VALUES(randstr(100,100), randstr(100,100), randstr(100,100)); - INSERT INTO abc - SELECT randstr(100,100), randstr(100,100), randstr(100,100) FROM abc; - INSERT INTO abc - SELECT randstr(100,100), randstr(100,100), randstr(100,100) FROM abc; - INSERT INTO abc - SELECT randstr(100,100), randstr(100,100), randstr(100,100) FROM abc; - INSERT INTO abc - SELECT randstr(100,100), randstr(100,100), randstr(100,100) FROM abc; - INSERT INTO abc - SELECT randstr(100,100), randstr(100,100), randstr(100,100) FROM abc; - COMMIT; - } - - # This puts the pager into error state. - # - db eval BEGIN - db eval {UPDATE abc SET a = 0 WHERE oid%2} - set ::sqlite_io_error_pending 10 - catch {db eval {ROLLBACK}} msg - - } -tclbody { - # If an out-of-memory occurs within a call to a VFS layer function during - # hot-journal rollback, sqlite will report SQLITE_CORRUPT. See commit - # [5668] for details. - set rc [catch {db eval { SELECT * FROM abc LIMIT 10 }} msg] - if {$msg eq "database disk image is malformed"} { set msg "out of memory" } - if {$rc} { error $msg } - set msg - } -cleanup { - set e [db eval {PRAGMA integrity_check}] - if {$e ne "ok"} {error $e} - } -} - -ifcapable compound { - do_malloc_test 24 -sqlprep { - CREATE TABLE t1(a, b, c) - } -sqlbody { - SELECT 1 FROM t1 UNION SELECT 2 FROM t1 ORDER BY 1 - } -} - -ifcapable view&&trigger { - do_malloc_test 25 -sqlprep { - CREATE TABLE t1(a, b, c); - CREATE VIEW v1 AS SELECT * FROM t1; - CREATE TRIGGER v1t1 INSTEAD OF DELETE ON v1 BEGIN SELECT 1; END; - CREATE TRIGGER v1t2 INSTEAD OF INSERT ON v1 BEGIN SELECT 1; END; - CREATE TRIGGER v1t3 INSTEAD OF UPDATE ON v1 BEGIN SELECT 1; END; - } -sqlbody { - DELETE FROM v1 WHERE a = 1; - INSERT INTO v1 VALUES(1, 2, 3); - UPDATE v1 SET a = 1 WHERE b = 2; - } -} - -do_malloc_test 25 -sqlprep { - CREATE TABLE abc(a, b, c); - CREATE INDEX i1 ON abc(a, b); - INSERT INTO abc VALUES(1, 2, 3); - INSERT INTO abc VALUES(4, 5, 6); -} -tclbody { - # For each UPDATE executed, the cursor used for the SELECT statement - # must be "saved". Because the cursor is open on an index, this requires - # a malloc() to allocate space to save the index key. This test case is - # aimed at testing the response of the library to a failure in that - # particular malloc() call. - db eval {SELECT a FROM abc ORDER BY a} { - db eval {UPDATE abc SET b = b - 1 WHERE a = $a} - } -} - -# This test is designed to test a specific juncture in the sqlite code. -# The database set up by -sqlprep script contains a single table B-Tree -# of height 2. In the -tclbody script, the existing database connection -# is closed and a new one opened and used to insert a new row into the -# table B-Tree. By using a new connection, the outcome of a malloc() -# failure while seeking to the right-hand side of the B-Tree to insert -# a new record can be tested. -# -do_malloc_test 26 -sqlprep { - BEGIN; - CREATE TABLE t1(a, b); - INSERT INTO t1 VALUES(1, randomblob(210)); - INSERT INTO t1 VALUES(1, randomblob(210)); - INSERT INTO t1 VALUES(1, randomblob(210)); - INSERT INTO t1 VALUES(1, randomblob(210)); - INSERT INTO t1 VALUES(1, randomblob(210)); - COMMIT; -} -tclbody { - db close - sqlite3 db test.db - db eval { INSERT INTO t1 VALUES(1, randomblob(210)) } -} - -# Test that no memory is leaked following a malloc() failure in -# sqlite3_initialize(). -# -do_malloc_test 27 -tclprep { - db close - sqlite3_shutdown -} -tclbody { - set rc [sqlite3_initialize] - if {$rc == "SQLITE_NOMEM"} { - error "out of memory" - } -} -autoinstall_test_functions - -# Test that malloc failures that occur while processing INDEXED BY -# clauses are handled correctly. -do_malloc_test 28 -sqlprep { - CREATE TABLE t1(a, b); - CREATE INDEX i1 ON t1(a); - CREATE VIEW v1 AS SELECT * FROM t1 INDEXED BY i1 WHERE a = 10; -} -sqlbody { - SELECT * FROM t1 INDEXED BY i1 ORDER BY a; - SELECT * FROM v1; -} - -do_malloc_test 29 -sqlprep { - CREATE TABLE t1(a TEXT, b TEXT); -} -sqlbody { - INSERT INTO t1 VALUES(1, -234); - INSERT INTO t1 SELECT * FROM t1 UNION ALL SELECT * FROM t1; -} - -do_malloc_test 30 -tclprep { - db eval { - CREATE TABLE t1(x PRIMARY KEY); - INSERT INTO t1 VALUES(randstr(500,500)); - INSERT INTO t1 VALUES(randstr(500,500)); - INSERT INTO t1 VALUES(randstr(500,500)); - } - db close - sqlite3 db test.db - - # The DELETE command in the following block moves the overflow pages that - # are part of the primary key index to the free-list. But it does not - # actually load the content of the pages. This leads to the peculiar - # situation where cache entries exist, but are not populated with data. - # They are populated next time they are requested by the b-tree layer. - # - db eval { - BEGIN; - DELETE FROM t1; - ROLLBACK; - } -} -sqlbody { - -- This statement requires the 'no-content' pages loaded by the DELETE - -- statement above. When requesting the pages, the content is loaded - -- from the database file. The point of this test case is to test handling - -- of malloc errors (including SQLITE_IOERR_NOMEM errors) when loading - -- the content. - SELECT * FROM t1 ORDER BY x; -} - -# After committing a transaction in persistent-journal mode, if a journal -# size limit is configured SQLite may attempt to truncate the journal file. -# This test verifies the libraries response to a malloc() failure during -# this operation. -# -do_malloc_test 31 -sqlprep { - PRAGMA journal_mode = persist; - PRAGMA journal_size_limit = 1024; - CREATE TABLE t1(a PRIMARY KEY, b); -} -sqlbody { - INSERT INTO t1 VALUES(1, 2); -} - -# When written, this test provoked an obscure change-counter bug. -# -# If, when running in exclusive mode, a malloc() failure occurs -# after the database file change-counter has been written but -# before the transaction has been committed, then the transaction -# is automatically rolled back. However, internally the -# Pager.changeCounterDone flag was being left set. This means -# that if the same connection attempts another transaction following -# the malloc failure and rollback, the change counter will not -# be updated. This could corrupt another processes cache. -# -do_malloc_test 32 -tclprep { - # Build a small database containing an indexed table. - # - db eval { - PRAGMA locking_mode = normal; - BEGIN; - CREATE TABLE t1(a PRIMARY KEY, b); - INSERT INTO t1 VALUES(1, 'one'); - INSERT INTO t1 VALUES(2, 'two'); - INSERT INTO t1 VALUES(3, 'three'); - COMMIT; - PRAGMA locking_mode = exclusive; - } - - # Open a second database connection. Load the table (but not index) - # into the second connections pager cache. - # - sqlite3 db2 test.db - db2 eval { - PRAGMA locking_mode = normal; - SELECT b FROM t1; - } - -} -tclbody { - # Running in exclusive mode, perform a database transaction that - # modifies both the database table and index. For iterations where - # the malloc failure occurs after updating the change counter but - # before committing the transaction, this should result in the - # transaction being rolled back but the changeCounterDone flag - # left set. - # - db eval { UPDATE t1 SET a = a + 3 } -} -cleanup { - - # Perform another transaction using the first connection. Unlock - # the database after doing so. If this is one of the right iterations, - # then this should result in the database contents being updated but - # the change-counter left as it is. - # - db eval { - PRAGMA locking_mode = normal; - UPDATE t1 SET a = a + 3; - } - - # Now do an integrity check with the second connection. The second - # connection still has the database table in its cache. If this is - # one of the magic iterations and the change counter was not modified, - # then it won't realize that the cached data is out of date. Since - # the cached data won't match the up to date index data read from - # the database file, the integrity check should fail. - # - set zRepeat "transient" - if {$::iRepeat} {set zRepeat "persistent"} - do_test malloc-32.$zRepeat.${::n}.integrity { - execsql {PRAGMA integrity_check} db2 - } {ok} - db2 close -} - -# The following two OOM tests verify that OOM handling works in the -# code used to optimize "SELECT count(*) FROM <tbl>". -# -do_malloc_test 33 -tclprep { - db eval { PRAGMA cache_size = 10 } - db transaction { - db eval { CREATE TABLE abc(a, b) } - for {set i 0} {$i<500} {incr i} { - db eval {INSERT INTO abc VALUES(randstr(100,100), randstr(1000,1000))} - } - } -} -sqlbody { - SELECT count(*) FROM abc; -} -do_malloc_test 34 -tclprep { - db eval { PRAGMA cache_size = 10 } - db transaction { - db eval { CREATE TABLE abc(a PRIMARY KEY, b) } - for {set i 0} {$i<500} {incr i} { - db eval {INSERT INTO abc VALUES(randstr(100,100), randstr(1000,1000))} - } - } -} -sqlbody { - SELECT count(*) FROM abc; -} - -proc f {args} { error "Quite a long error!" } -do_malloc_test 35 -tclprep { - db func f f - set ::STMT [sqlite3_prepare db "SELECT f()" -1 DUMMY] - sqlite3_step $::STMT -} -tclbody { - sqlite3_finalize $::STMT -} -cleanup { - # At one point an assert( !db->mallocFailed ) could fail in the following - # call to sqlite3_errmsg(). Because sqlite3_finalize() had failed to clear - # the flag before returning. - sqlite3_errmsg16 db -} - -do_malloc_test 36 -sqlprep { - CREATE TABLE t1(a, b); - INSERT INTO t1 VALUES(1, 2); - INSERT INTO t1 VALUES(3, 4); -} -sqlbody { - SELECT test_agg_errmsg16(), group_concat(a) FROM t1 -} - -# At one point, if an OOM occurred immediately after obtaining a shared lock -# on the database file, the file remained locked. This test case ensures -# that bug has been fixed.i -if {[db eval {PRAGMA locking_mode}]!="exclusive"} { - do_malloc_test 37 -tclprep { - sqlite3 db2 test.db - execsql { - CREATE TABLE t1(a, b); - INSERT INTO t1 VALUES(1, 2); - } db2 - } -sqlbody { - SELECT * FROM t1; - } -cleanup { - # Try to write to the database using connection [db2]. If connection [db] - # has correctly released the shared lock, this write attempt should - # succeed. If [db] has not released the lock, this should hit an - # SQLITE_BUSY error. - do_test malloc-36.$zRepeat.${::n}.unlocked { - execsql {INSERT INTO t1 VALUES(3, 4)} db2 - } {} - db2 close - } - catch { db2 close } -} - - -# Test that if an OOM error occurs, aux-data is still correctly destroyed. -# This test case was causing either a memory-leak or an assert() failure -# at one point, depending on the configuration. -# -do_malloc_test 39 -tclprep { - sqlite3 db test.db -} -sqlbody { - SELECT test_auxdata('abc', 'def'); -} -cleanup { - db close -} - -# Ensure that no file descriptors were leaked. -do_test malloc-99.X { - catch {db close} - set sqlite_open_file_count -} {0} - -puts open-file-count=$sqlite_open_file_count -finish_test |
