# 2008 August 01 # # 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 test script checks malloc failures in various obscure operations. # # $Id: mallocI.test,v 1.3 2009/08/10 04:26:39 danielk1977 Exp $ set testdir [file dirname $argv0] source $testdir/tester.tcl source $testdir/malloc_common.tcl # Malloc failures in a view. # do_malloc_test mallocI-1 -sqlprep { CREATE TABLE t1(a,b,c,d); CREATE VIEW v1 AS SELECT a*b, c*d FROM t1 ORDER BY b-d; } -sqlbody { SELECT * FROM v1 } # Malloc failure while trying to service a pragma on a TEMP database. # do_malloc_test mallocI-2 -sqlbody { PRAGMA temp.page_size } # Malloc failure while creating a table from a SELECT statement. # do_malloc_test mallocI-3 -sqlprep { CREATE TABLE t1(a,b,c); } -sqlbody { CREATE TABLE t2 AS SELECT b,c FROM t1; } # This tests that a malloc failure that occurs while passing the schema # does not result in a SHARED lock being left on the database file. # do_malloc_test mallocI-4 -tclprep { sqlite3 db2 test.db db2 eval { CREATE TABLE t1(a, b, c); CREATE TABLE t2(a, b, c); } } -sqlbody { SELECT * FROM t1 } -cleanup { do_test mallocI-4.$::n.2 { # If this INSERT is possible then [db] does not hold a shared lock # on the database file. catchsql { INSERT INTO t1 VALUES(1, 2, 3) } db2 } {0 {}} catch {db2 close} } catch { db2 close } finish_test