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: mallocH.test,v 1.2 2008/08/01 20:10:09 drh Exp $ 15 16set testdir [file dirname $argv0] 17source $testdir/tester.tcl 18source $testdir/malloc_common.tcl 19 20# Malloc failures in journaling of in-memory databases. 21# 22do_malloc_test mallocH-1 -tclprep { 23 db close 24 sqlite3 db :memory: 25 db eval { 26 CREATE TABLE t1(x UNIQUE, y); 27 INSERT INTO t1 VALUES(1,2); 28 } 29} -sqlbody { 30 INSERT INTO t1 SELECT x+1, y+100 FROM t1; 31} 32 33# Malloc failures while parsing a CASE expression. 34# 35do_malloc_test mallocH-2 -sqlbody { 36 SELECT CASE WHEN 1 THEN 1 END; 37} 38 39# Malloc failures while parsing a EXISTS(SELECT ...) 40# 41do_malloc_test mallocH-3 -sqlbody { 42 SELECT 3+EXISTS(SELECT * FROM sqlite_master); 43} 44 45# Malloc failures within the replace() function. 46# 47do_malloc_test mallocH-3 -sqlbody { 48 SELECT replace('ababa','a','xyzzy'); 49} 50 51# Malloc failures during EXPLAIN. 52# 53ifcapable explain { 54 do_malloc_test mallocH-4 -sqlprep { 55 CREATE TABLE abc(a PRIMARY KEY, b, c); 56 } -sqlbody { 57 EXPLAIN SELECT * FROM abc AS t2 WHERE rowid=1; 58 EXPLAIN QUERY PLAN SELECT * FROM abc AS t2 WHERE rowid=1; 59 } 60} 61 62# Malloc failure during integrity_check pragma. 63# 64do_malloc_test mallocH-5 -sqlprep { 65 CREATE TABLE t1(a PRIMARY KEY, b UNIQUE); 66 CREATE TABLE t2(x,y); 67 INSERT INTO t1 VALUES(1,2); 68 INSERT INTO t2 SELECT * FROM t1; 69} -sqlbody { 70 PRAGMA integrity_check; 71} 72 73finish_test 74