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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 | |
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