xref: /sqlite-3.40.0/ext/fts5/test/fts5fault3.test (revision a690ff36) 
1# 2014 June 17
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 file is focused on OOM errors.
13#
14
15source [file join [file dirname [info script]] fts5_common.tcl]
16source $testdir/malloc_common.tcl
17set testprefix fts5fault3
18
19# If SQLITE_ENABLE_FTS3 is defined, omit this file.
20ifcapable !fts5 {
21  finish_test
22  return
23}
24
25#-------------------------------------------------------------------------
26# An OOM while resuming a partially completed segment merge.
27#
28db func rnddoc fts5_rnddoc
29do_test 1.0 {
30  expr srand(0)
31  execsql {
32    CREATE VIRTUAL TABLE xx USING fts5(x);
33    INSERT INTO xx(xx, rank) VALUES('pgsz', 32);
34    INSERT INTO xx(xx, rank) VALUES('automerge', 16);
35  }
36  for {set i 0} {$i < 10} {incr i} {
37    execsql {
38      BEGIN;
39        INSERT INTO xx(x) VALUES(rnddoc(20));
40        INSERT INTO xx(x) VALUES(rnddoc(20));
41        INSERT INTO xx(x) VALUES(rnddoc(20));
42      COMMIT
43    }
44  }
45
46  execsql {
47    INSERT INTO xx(xx, rank) VALUES('automerge', 2);
48    INSERT INTO xx(xx, rank) VALUES('merge', 50);
49  }
50} {}
51faultsim_save_and_close
52
53do_faultsim_test 1 -faults oom-* -prep {
54  faultsim_restore_and_reopen
55} -body {
56  execsql { INSERT INTO xx(xx, rank) VALUES('merge', 1) }
57} -test {
58  faultsim_test_result [list 0 {}]
59}
60
61#-------------------------------------------------------------------------
62# An OOM while flushing an unusually large term to disk.
63#
64reset_db
65do_execsql_test 2.0 {
66  CREATE VIRTUAL TABLE xx USING fts5(x);
67  INSERT INTO xx(xx, rank) VALUES('pgsz', 32);
68}
69faultsim_save_and_close
70
71set    doc "a long term abcdefghijklmnopqrstuvwxyz "
72append doc "and then abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz "
73append doc [string repeat "abcdefghijklmnopqrstuvwxyz" 10]
74
75do_faultsim_test 2 -faults oom-* -prep {
76  faultsim_restore_and_reopen
77} -body {
78  execsql { INSERT INTO xx(x) VALUES ($::doc) }
79} -test {
80  faultsim_test_result [list 0 {}]
81}
82
83#-------------------------------------------------------------------------
84# An OOM while flushing an unusually large term to disk.
85#
86reset_db
87do_execsql_test 3.0 {
88  CREATE VIRTUAL TABLE xx USING fts5(x);
89}
90faultsim_save_and_close
91
92set doc [fts5_rnddoc 1000]
93do_faultsim_test 3.1 -faults oom-* -prep {
94  faultsim_restore_and_reopen
95} -body {
96  execsql { INSERT INTO xx(x) VALUES ($::doc) }
97} -test {
98  faultsim_test_result [list 0 {}]
99}
100
101set doc [string repeat "abc " 100]
102do_faultsim_test 3.2 -faults oom-* -prep {
103  faultsim_restore_and_reopen
104} -body {
105  execsql { INSERT INTO xx(x) VALUES ($::doc) }
106} -test {
107  faultsim_test_result [list 0 {}]
108}
109
110
111
112finish_test
113