sqlite/test/mallocH.test

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# 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: mallocH.test,v 1.2 2008/08/01 20:10:09 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
source $testdir/malloc_common.tcl
# Malloc failures in journaling of in-memory databases.
#
do_malloc_test mallocH-1 -tclprep {
db close
sqlite3 db :memory:
db eval {
CREATE TABLE t1(x UNIQUE, y);
INSERT INTO t1 VALUES(1,2);
}
} -sqlbody {
INSERT INTO t1 SELECT x+1, y+100 FROM t1;
}
# Malloc failures while parsing a CASE expression.
#
do_malloc_test mallocH-2 -sqlbody {
SELECT CASE WHEN 1 THEN 1 END;
}
# Malloc failures while parsing a EXISTS(SELECT ...)
#
do_malloc_test mallocH-3 -sqlbody {
SELECT 3+EXISTS(SELECT * FROM sqlite_master);
}
# Malloc failures within the replace() function.
#
do_malloc_test mallocH-3 -sqlbody {
SELECT replace('ababa','a','xyzzy');
}
# Malloc failures during EXPLAIN.
#
ifcapable explain {
do_malloc_test mallocH-4 -sqlprep {
CREATE TABLE abc(a PRIMARY KEY, b, c);
} -sqlbody {
EXPLAIN SELECT * FROM abc AS t2 WHERE rowid=1;
EXPLAIN QUERY PLAN SELECT * FROM abc AS t2 WHERE rowid=1;
}
}
# Malloc failure during integrity_check pragma.
#
do_malloc_test mallocH-5 -sqlprep {
CREATE TABLE t1(a PRIMARY KEY, b UNIQUE);
CREATE TABLE t2(x,y);
INSERT INTO t1 VALUES(1,2);
INSERT INTO t2 SELECT * FROM t1;
} -sqlbody {
PRAGMA integrity_check;
}
finish_test