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Overview
| Comment: | Tidy up malloc.test a bit. (CVS 2207) |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
94cf91cc5dc0d656636211d23350a1ec |
| User & Date: | danielk1977 2005-01-13 13:35:58 |
Context
|
2005-01-13
| ||
| 23:54 | Fix a bug in lemon that does not effect SQLite. Ticket #1068. (CVS 2208) (check-in: 7113b5ed user: drh tags: trunk) | |
| 13:35 | Tidy up malloc.test a bit. (CVS 2207) (check-in: 94cf91cc user: danielk1977 tags: trunk) | |
| 11:10 | Fix typo in shell .help. Ticket #1071. (CVS 2206) (check-in: 2c7a1a16 user: danielk1977 tags: trunk) | |
Changes
Changes to test/malloc.test.
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#*********************************************************************** # This file attempts to check the library in an out-of-memory situation. # When compiled with -DSQLITE_DEBUG=1, the SQLite library accepts a special # command (sqlite_malloc_fail N) 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 1.19 2005/01/13 11:07:54 danielk1977 Exp $ set testdir [file dirname $argv0] source $testdir/tester.tcl # Only run these tests if memory debugging is turned on. # if {[info command sqlite_malloc_stat]==""} { ................................................................................ # The first argument, <test number>, is an integer used to name the # tests executed by this proc. Options are as follows: # # -tclprep TCL script to run to prepare test. # -sqlprep SQL script to run to prepare test. # -tclbody TCL script to run with malloc failure simulation. # -sqlbody TCL script to run with malloc failure simulation. # # This command runs a series of tests to verify SQLite's ability # to handle an out-of-memory condition gracefully. It is assumed # that if this condition occurs a malloc() call will return a # NULL pointer. Linux, for example, doesn't do that by default. See # the "BUGS" section of malloc(3). # ................................................................................ set v {1 1} } else { set v2 [expr {$msg=="" || $msg=="out of memory"}] if {!$v2} {puts "\nError message returned: $msg"} lappend v $v2 } } {1 1} } unset ::mallocopts } for {set go 1; set i 1} {$go} {incr i} { do_test malloc-1.$i { sqlite_malloc_fail 0 catch {db close} catch {file delete -force test.db} catch {file delete -force test.db-journal} sqlite_malloc_fail $i [expr {$i%4}] set v [catch {sqlite3 db test.db} msg] if {$v} { set msg "" } else { set v [catch {execsql { CREATE TABLE t1( a int, b float, c double, d text, e varchar(20), primary key(a,b,c) ); CREATE INDEX i1 ON t1(a,b); INSERT INTO t1 VALUES(1,2.3,4.5,'hi','there'); INSERT INTO t1 VALUES(6,7.0,0.8,'hello','out yonder'); SELECT * FROM t1; SELECT avg(b) FROM t1 GROUP BY a HAVING b>20.0; DELETE FROM t1 WHERE a IN (SELECT min(a) FROM t1); SELECT count(*) FROM t1; }} msg] } set leftover [lindex [sqlite_malloc_stat] 2] if {$leftover>0} { if {$leftover>1} {puts "\nLeftover: $leftover\nReturn=$v Message=$msg"} set ::go 0 set v {1 1} } else { set v2 [expr {$msg=="" || $msg=="out of memory"}] if {!$v2} {puts "\nError message returned: $msg"} lappend v $v2 } } {1 1} } # Ensure that no file descriptors were leaked. do_test malloc-1.X { catch {db close} set sqlite_open_file_count } {0} set fd [open ./data.tmp w] for {set i 1} {$i<=20} {incr i} { puts $fd "$i\t[expr {$i*$i}]\t[expr {100-$i}] abcdefghijklmnopqrstuvwxyz" } close $fd for {set go 1; set i 1} {$go} {incr i} { do_test malloc-2.$i { sqlite_malloc_fail 0 catch {db close} catch {file delete -force test.db} catch {file delete -force test.db-journal} sqlite_malloc_fail $i set v [catch {sqlite3 db test.db} msg] if {$v} { set msg "" } else { set v [catch {execsql { CREATE TABLE t1(a int, b int, c int); 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; }} msg] } set leftover [lindex [sqlite_malloc_stat] 2] if {$leftover>0} { if {$leftover>1} {puts "\nLeftover: $leftover\nReturn=$v Message=$msg"} set ::go 0 set v {1 1} } else { set v2 [expr {$msg=="" || $msg=="out of memory"}] if {!$v2} {puts "\nError message returned: $msg"} lappend v $v2 } } {1 1} } # Ensure that no file descriptors were leaked. do_test malloc-2.X { catch {db close} set sqlite_open_file_count } {0} for {set go 1; set i 1} {$go} {incr i} { do_test malloc-3.$i { sqlite_malloc_fail 0 catch {db close} catch {file delete -force test.db} catch {file delete -force test.db-journal} sqlite_malloc_fail $i set v [catch {sqlite3 db test.db} msg] if {$v} { set msg "" } else { set v [catch {execsql { 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; }} msg] } set leftover [lindex [sqlite_malloc_stat] 2] if {$leftover>0} { if {$leftover>1} {puts "\nLeftover: $leftover\nReturn=$v Message=$msg"} set ::go 0 set v {1 1} } else { set v2 [expr {$msg=="" || $msg=="out of memory"}] if {!$v2} {puts "\nError message returned: $msg"} lappend v $v2 } } {1 1} } # Ensure that no file descriptors were leaked. do_test malloc-3.X { catch {db close} set sqlite_open_file_count } {0} for {set go 1; set i 1} {$go} {incr i} { do_test malloc-4.$i { sqlite_malloc_fail 0 catch {db close} catch {file delete -force test.db} catch {file delete -force test.db-journal} sqlite_malloc_fail $i set v [catch {sqlite3 db test.db} msg] if {$v} { set msg "" } else { set v [catch {execsql { 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; }} msg] } set leftover [lindex [sqlite_malloc_stat] 2] if {$leftover>0} { if {$leftover>1} {puts "\nLeftover: $leftover\nReturn=$v Message=$msg"} set ::go 0 set v {1 1} } else { set v2 [expr {$msg=="" || $msg=="out of memory"}] if {!$v2} {puts "\nError message returned: $msg"} lappend v $v2 } } {1 1} } # Ensure that no file descriptors were leaked. do_test malloc-4.X { catch {db close} set sqlite_open_file_count } {0} for {set go 1; set i 1} {$go} {incr i} { do_test malloc-5.$i { sqlite_malloc_fail 0 catch {db close} catch {file delete -force test.db} catch {file delete -force test.db-journal} sqlite_malloc_fail $i set v [catch {sqlite3 db test.db} msg] if {$v} { set msg "" } else { set v [catch {execsql { BEGIN TRANSACTION; CREATE TABLE t1(a,b); CREATE TABLE t2(x,y); CREATE TRIGGER r1 AFTER INSERT ON t1 BEGIN INSERT INTO t2(x,y) VALUES(new.rowid,1); END; INSERT INTO t1(a,b) VALUES(2,3); COMMIT; }} msg] } set leftover [lindex [sqlite_malloc_stat] 2] if {$leftover>0} { if {$leftover>1} {puts "\nLeftover: $leftover\nReturn=$v Message=$msg"} set ::go 0 set v {1 1} } else { set v2 [expr {$msg=="" || $msg=="out of memory"}] if {!$v2} {puts "\nError message returned: $msg"} lappend v $v2 } } {1 1} } # Ensure that no file descriptors were leaked. do_test malloc-5.X { catch {db close} set sqlite_open_file_count } {0} for {set go 1; set i 1} {$go} {incr i} { do_test malloc-6.$i { sqlite_malloc_fail 0 catch {db close} catch {file delete -force test.db} catch {file delete -force test.db-journal} sqlite3 db test.db execsql { 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; } sqlite_malloc_fail $i set v [catch {execsql { VACUUM; }} msg] set leftover [lindex [sqlite_malloc_stat] 2] if {$leftover>0} { if {$leftover>1} {puts "\nLeftover: $leftover\nReturn=$v Message=$msg"} set ::go 0 set v {1 1} } else { set v2 [expr {$msg=="" || $msg=="out of memory"}] if {!$v2} {puts "\nError message returned: $msg"} lappend v $v2 } } {1 1} } for {set go 1; set i 1} {$go} {incr i} { do_test malloc-7.$i { sqlite_malloc_fail 0 catch {db close} catch {file delete -force test.db} catch {file delete -force test.db-journal} sqlite3 db test.db execsql { 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)); } sqlite_malloc_fail $i set v [catch {execsql { SELECT min(a) FROM t1 WHERE a<6 GROUP BY b; SELECT a FROM t1 WHERE a<6 ORDER BY a; SELECT b FROM t1 WHERE a>6; }} msg] set leftover [lindex [sqlite_malloc_stat] 2] if {$leftover>0} { if {$leftover>1} {puts "\nLeftover: $leftover\nReturn=$v Message=$msg"} set ::go 0 set v {1 1} } else { set v2 [expr {$msg=="" || $msg=="out of memory"}] if {!$v2} {puts "\nError message returned: $msg"} lappend v $v2 } } {1 1} } # This block is designed to test that some malloc failures that may # occur in vdbeapi.c. Specifically, if a malloc failure that occurs # when converting UTF-16 text to integers and real numbers is handled # correctly. # # This is done by retrieving a string from the database engine and # manipulating it using the sqlite3_column_*** APIs. This doesn't # actually return an error to the user when a malloc() fails.. That # could be viewed as a bug. # # These tests only run if UTF-16 support is compiled in. # for {set go 1; set i 1} {$go && $::sqlite_options(utf16)} {incr i} { do_test malloc-8.$i { sqlite_malloc_fail 0 catch {db close} catch {file delete -force test.db} catch {file delete -force test.db-journal} set ::DB [sqlite3 db test.db] 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_12345678"] sqlite_malloc_fail $i catch { sqlite3_column_text16 $::STMT 0 sqlite3_column_int $::STMT 0 sqlite3_column_text16 $::STMT 1 sqlite3_column_double $::STMT 1 sqlite3_reset $::STMT sqlite3_bind_text16 $::STMT 1 $::bomstr 60 } msg sqlite3_finalize $::STMT if {[lindex [sqlite_malloc_stat] 2]>0} { set ::go 0 } expr 0 } {0} } # 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); |
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#*********************************************************************** # This file attempts to check the library in an out-of-memory situation. # When compiled with -DSQLITE_DEBUG=1, the SQLite library accepts a special # command (sqlite_malloc_fail N) 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 1.20 2005/01/13 13:35:58 danielk1977 Exp $ set testdir [file dirname $argv0] source $testdir/tester.tcl # Only run these tests if memory debugging is turned on. # if {[info command sqlite_malloc_stat]==""} { ................................................................................ # The first argument, <test number>, is an integer used to name the # tests executed by this proc. Options are as follows: # # -tclprep TCL script to run to prepare test. # -sqlprep SQL script to run to prepare test. # -tclbody TCL script to run with malloc failure simulation. # -sqlbody TCL script to run with malloc failure simulation. # -cleanup TCL script to run after the test. # # This command runs a series of tests to verify SQLite's ability # to handle an out-of-memory condition gracefully. It is assumed # that if this condition occurs a malloc() call will return a # NULL pointer. Linux, for example, doesn't do that by default. See # the "BUGS" section of malloc(3). # ................................................................................ set v {1 1} } else { set v2 [expr {$msg=="" || $msg=="out of memory"}] if {!$v2} {puts "\nError message returned: $msg"} lappend v $v2 } } {1 1} if {[info exists ::mallocopts(-cleanup)]} { catch $::mallocopts(-cleanup) } } unset ::mallocopts } do_malloc_test 1 -tclprep { db close } -tclbody { if {[catch {sqlite3 db test.db}]} { error "out of memory" } } -sqlbody { 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','there'); 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(*) FROM t1; } # Ensure that no file descriptors were leaked. do_test malloc-1.X { catch {db close} set sqlite_open_file_count } {0} do_malloc_test 2 -sqlbody { CREATE TABLE t1(a int, b int, c int); 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} 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} do_malloc_test 5 -sqlbody { BEGIN TRANSACTION; CREATE TABLE t1(a,b); CREATE TABLE t2(x,y); CREATE TRIGGER r1 AFTER INSERT ON t1 BEGIN INSERT INTO t2(x,y) VALUES(new.rowid,1); 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} 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; } 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. # if {$::sqlite_options(utf16)} { 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_12345678"] } -tclbody { sqlite3_column_text16 $::STMT 0 sqlite3_column_int $::STMT 0 sqlite3_column_text16 $::STMT 1 sqlite3_column_double $::STMT 1 sqlite3_reset $::STMT sqlite3_bind_text16 $::STMT 1 $::bomstr 60 catch {sqlite3_finalize $::STMT} if {[lindex [sqlite_malloc_stat] 2]<=0} { error "out of memory" } } -cleanup { sqlite3_finalize $::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); |