xref: /sqlite-3.40.0/test/mjournal.test (revision 6ab91a7a) 
1# 2017 September 15
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 implements regression tests for SQLite library.
12#
13
14set testdir [file dirname $argv0]
15source $testdir/tester.tcl
16set testprefix mjournal
17
18if {[permutation]=="inmemory_journal"} {
19  finish_test
20  return
21}
22
23# Test that nothing bad happens if a journal file contains a pointer to
24# a master journal file that does not have a "-" in the name. At one point
25# this was causing a segfault on unix.
26#
27do_execsql_test 1.0 {
28  CREATE TABLE t1(a, b);
29}
30
31do_test 1.1 {
32  forcedelete test.db2journal test.db-journal
33
34  close [open test.db-journal w]
35
36  hexio_write test.db-journal 0 746573742e6462326a6f75726e616c00
37  hexio_write test.db-journal 16 00000010
38  hexio_write test.db-journal 20 000005e1
39  hexio_write test.db-journal 24 d9d505f920a163d7
40
41  close [open test.db2journal w]
42  hexio_write test.db2journal 0 abcd
43} {2}
44
45do_execsql_test 1.2 {
46  SELECT * FROM t1;
47}
48
49do_test 1.3 {
50  forcedelete test0db2journal test.db-journal
51  close [open test.db-journal w]
52  hexio_write test.db-journal 0 74657374306462326a6f75726e616c00
53  hexio_write test.db-journal 16 00000010
54  hexio_write test.db-journal 20 000005e3
55  hexio_write test.db-journal 24 d9d505f920a163d7
56
57  close [open test0db2journal w]
58  hexio_write test0db2journal 0 abcd
59} {2}
60
61do_execsql_test 1.4 {
62  SELECT * FROM t1;
63}
64
65# And now test that nothing bad happens if a master journal contains a
66# pointer to a journal file that does not have a "-" in the name.
67#
68do_test 1.5 {
69  forcedelete test.db2-master test.db-journal test1
70  close [open test.db-journal w]
71  hexio_write test.db-journal 0 746573742e6462322d6d617374657200
72  hexio_write test.db-journal 16 00000010
73  hexio_write test.db-journal 20 0000059f
74  hexio_write test.db-journal 24 d9d505f920a163d7
75
76  close [open test.db2-master w]
77  hexio_write test.db2-master 0 746573743100
78
79  close [open test1 w]
80  hexio_write test1 0 abcd
81} {2}
82
83do_execsql_test 1.6 {
84  SELECT * FROM t1;
85}
86
87#-------------------------------------------------------------------------
88# Check that master journals are not created if the transaction involves
89# multiple temp files.
90#
91db close
92testvfs tvfs
93tvfs filter xOpen
94tvfs script open_cb
95set ::open ""
96proc open_cb {method file arglist} {
97  lappend ::open $file
98}
99
100proc contains_mj {} {
101  foreach f $::open {
102    set t [file tail $f]
103    if {[string match *mj* $t]} { return 1 }
104  }
105  return 0
106}
107
108# Like [do_execsql_test], except that a boolean indicating whether or
109# not a master journal file was opened ([file tail] contains "mj") or
110# not. Example:
111#
112#   do_hasmj_test 1.0 { SELECT 'a', 'b' } {0 a b}
113#
114proc do_hasmj_test {tn sql expected} {
115  set ::open [list]
116  uplevel [list do_test $tn [subst -nocommands {
117    set res [execsql "$sql"]
118    concat [contains_mj] [set res]
119  }] [list {*}$expected]]
120}
121
122forcedelete test.db
123forcedelete test.db2
124forcedelete test.db3
125sqlite3 db test.db -vfs tvfs
126
127do_execsql_test 2.0 {
128  ATTACH 'test.db2' AS dbfile;
129  ATTACH ''         AS dbtemp;
130  ATTACH ':memory:'  AS dbmem;
131
132  CREATE TABLE t1(x);
133  CREATE TABLE dbfile.t2(x);
134  CREATE TABLE dbtemp.t3(x);
135  CREATE TABLE dbmem.t4(x);
136}
137
138# Two real files.
139do_hasmj_test 2.1 {
140  BEGIN;
141    INSERT INTO t1 VALUES(1);
142    INSERT INTO t2 VALUES(1);
143  COMMIT;
144} {1}
145
146# One real, one temp file.
147do_hasmj_test 2.2 {
148  BEGIN;
149    INSERT INTO t1 VALUES(1);
150    INSERT INTO t3 VALUES(1);
151  COMMIT;
152} {0}
153
154# One file, one :memory: db.
155do_hasmj_test 2.3 {
156  BEGIN;
157    INSERT INTO t1 VALUES(1);
158    INSERT INTO t4 VALUES(1);
159  COMMIT;
160} {0}
161
162finish_test
163