xref: /sqlite-3.40.0/test/mallocA.test (revision 7aa3ebee) 
1# 2007 April 30
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# This file contains additional out-of-memory checks (see malloc.tcl).
12#
13# $Id: mallocA.test,v 1.8 2008/02/18 22:24:58 drh Exp $
14
15set testdir [file dirname $argv0]
16source $testdir/tester.tcl
17source $testdir/malloc_common.tcl
18set testprefix mallocA
19
20# Only run these tests if memory debugging is turned on.
21#
22if {!$MEMDEBUG} {
23   puts "Skipping mallocA tests: not compiled with -DSQLITE_MEMDEBUG..."
24   finish_test
25   return
26}
27
28# Construct a test database
29#
30forcedelete test.db.bu
31db eval {
32  CREATE TABLE t1(a COLLATE NOCASE,b,c);
33  INSERT INTO t1 VALUES(1,2,3);
34  INSERT INTO t1 VALUES(1,2,4);
35  INSERT INTO t1 VALUES(2,3,4);
36  CREATE INDEX t1i1 ON t1(a);
37  CREATE INDEX t1i2 ON t1(b,c);
38  CREATE TABLE t2(x,y,z);
39}
40db close
41copy_file test.db test.db.bu
42
43do_malloc_test mallocA-1 -testdb test.db.bu -sqlbody {
44  ANALYZE
45}
46do_malloc_test mallocA-1.1 -testdb test.db.bu -sqlbody {
47  ANALYZE t1
48}
49do_malloc_test mallocA-1.2 -testdb test.db.bu -sqlbody {
50  ANALYZE main
51}
52do_malloc_test mallocA-1.3 -testdb test.db.bu -sqlbody {
53  ANALYZE main.t1
54}
55
56ifcapable reindex {
57  do_malloc_test mallocA-2 -testdb test.db.bu -sqlbody {
58    REINDEX;
59  }
60  do_malloc_test mallocA-3 -testdb test.db.bu -sqlbody {
61    REINDEX t1;
62  }
63  do_malloc_test mallocA-4 -testdb test.db.bu -sqlbody {
64    REINDEX main.t1;
65  }
66  do_malloc_test mallocA-5 -testdb test.db.bu -sqlbody {
67    REINDEX nocase;
68  }
69}
70
71reset_db
72sqlite3_db_config_lookaside db 0 0 0
73do_execsql_test 6-prep {
74  CREATE TABLE t1(a, b);
75  CREATE INDEX i1 ON t1(a, b);
76  INSERT INTO t1 VALUES('abc', 'w'); -- rowid=1
77  INSERT INTO t1 VALUES('abc', 'x'); -- rowid=2
78  INSERT INTO t1 VALUES('abc', 'y'); -- rowid=3
79  INSERT INTO t1 VALUES('abc', 'z'); -- rowid=4
80
81  INSERT INTO t1 VALUES('def', 'w'); -- rowid=5
82  INSERT INTO t1 VALUES('def', 'x'); -- rowid=6
83  INSERT INTO t1 VALUES('def', 'y'); -- rowid=7
84  INSERT INTO t1 VALUES('def', 'z'); -- rowid=8
85
86  ANALYZE;
87}
88
89do_faultsim_test 6.1 -faults oom* -body {
90  execsql { SELECT rowid FROM t1 WHERE a='abc' AND b='x' }
91} -test {
92  faultsim_test_result [list 0 2]
93}
94do_faultsim_test 6.2 -faults oom* -body {
95  execsql { SELECT rowid FROM t1 WHERE a='abc' AND b<'y' }
96} -test {
97  faultsim_test_result [list 0 {1 2}]
98}
99ifcapable stat3 {
100  do_test 6.3-prep {
101    execsql {
102      PRAGMA writable_schema = 1;
103      CREATE TABLE sqlite_stat4 AS
104      SELECT tbl, idx, neq, nlt, ndlt, sqlite_record(sample) AS sample
105      FROM sqlite_stat3;
106    }
107  } {}
108  do_faultsim_test 6.3 -faults oom* -body {
109    execsql {
110      ANALYZE sqlite_master;
111      SELECT rowid FROM t1 WHERE a='abc' AND b<'y';
112    }
113  } -test {
114    faultsim_test_result [list 0 {1 2}]
115  }
116}
117
118do_execsql_test 7.0 {
119  PRAGMA cache_size = 5;
120}
121do_faultsim_test 7 -faults oom-trans* -prep {
122} -body {
123  execsql {
124    WITH r(x,y) AS (
125      SELECT 1, randomblob(100)
126      UNION ALL
127      SELECT x+1, randomblob(100) FROM r
128      LIMIT 1000
129    )
130    SELECT count(x), length(y) FROM r GROUP BY (x%5)
131  }
132} -test {
133  set res [list 200 100 200 100 200 100 200 100 200 100]
134  faultsim_test_result [list 0 $res]
135}
136
137
138# Ensure that no file descriptors were leaked.
139do_test malloc-99.X {
140  catch {db close}
141  set sqlite_open_file_count
142} {0}
143
144forcedelete test.db.bu
145finish_test
146