3 # The author disclaims copyright to this source code. In place of
4 # a legal notice, here is a blessing:
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.
10 #***********************************************************************
12 # This test script checks malloc failures in various obscure operations.
14 # $Id: mallocI.test,v 1.3 2009/08/10 04:26:39 danielk1977 Exp $
16 set testdir [file dirname $argv0]
17 source $testdir/tester.tcl
18 source $testdir/malloc_common.tcl
20 # Malloc failures in a view.
22 do_malloc_test mallocI-1 -sqlprep {
23 CREATE TABLE t1(a,b,c,d);
24 CREATE VIEW v1 AS SELECT a*b, c*d FROM t1 ORDER BY b-d;
29 # Malloc failure while trying to service a pragma on a TEMP database.
31 do_malloc_test mallocI-2 -sqlbody {
35 # Malloc failure while creating a table from a SELECT statement.
37 do_malloc_test mallocI-3 -sqlprep {
38 CREATE TABLE t1(a,b,c);
40 CREATE TABLE t2 AS SELECT b,c FROM t1;
43 # This tests that a malloc failure that occurs while passing the schema
44 # does not result in a SHARED lock being left on the database file.
46 do_malloc_test mallocI-4 -tclprep {
49 CREATE TABLE t1(a, b, c);
50 CREATE TABLE t2(a, b, c);
55 do_test mallocI-4.$::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
64 do_faultsim_test mallocI-5 -faults oom* -prep {
67 sqlite3_db_config_lookaside db 0 0 0
69 db eval { Select CAST(1 AS blob) }
71 faultsim_test_result {0 1}