1 # 2008 August 01 2 # 3 # The author disclaims copyright to this source code. In place of 4 # a legal notice, here is a blessing: 5 # 6 # May you do good and not evil. 7 # May you find forgiveness for yourself and forgive others. 8 # May you share freely, never taking more than you give. 9 # 10 #*********************************************************************** 11 # 12 # This test script checks malloc failures in various obscure operations. 13 # 14 # $Id: mallocI.test,v 1.3 2009/08/10 04:26:39 danielk1977 Exp $ 15 16 set testdir [file dirname $argv0] 17 source $testdir/tester.tcl 18 source $testdir/malloc_common.tcl 19 20 # Malloc failures in a view. 21 # 22 do_malloc_test mallocI-1 -sqlprep { 23 CREATE TABLE t1(a,b,c,d); 24 CREATE VIEW v1 AS SELECT a*b, c*d FROM t1 ORDER BY b-d; 25 } -sqlbody { 26 SELECT * FROM v1 27 } 28 29 # Malloc failure while trying to service a pragma on a TEMP database. 30 # 31 do_malloc_test mallocI-2 -sqlbody { 32 PRAGMA temp.page_size 33 } 34 35 # Malloc failure while creating a table from a SELECT statement. 36 # 37 do_malloc_test mallocI-3 -sqlprep { 38 CREATE TABLE t1(a,b,c); 39 } -sqlbody { 40 CREATE TABLE t2 AS SELECT b,c FROM t1; 41 } 42 43 # This tests that a malloc failure that occurs while passing the schema 44 # does not result in a SHARED lock being left on the database file. 45 # 46 do_malloc_test mallocI-4 -tclprep { 47 sqlite3 db2 test.db 48 db2 eval { 49 CREATE TABLE t1(a, b, c); 50 CREATE TABLE t2(a, b, c); 51 } 52 } -sqlbody { 53 SELECT * FROM t1 54 } -cleanup { 55 do_test mallocI-4.$::n.2 { 56 # If this INSERT is possible then [db] does not hold a shared lock 57 # on the database file. 58 catchsql { INSERT INTO t1 VALUES(1, 2, 3) } db2 59 } {0 {}} 60 catch {db2 close} 61 } 62 catch { db2 close } 63 64 finish_test 65
