xref: /sqlite-3.40.0/test/lock5.test (revision aebf413d) 
1# 2008 June 28
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.  The
12# focus of this script is database locks.
13#
14# $Id: lock5.test,v 1.4 2008/11/21 00:10:35 aswift Exp $
15
16set testdir [file dirname $argv0]
17source $testdir/tester.tcl
18
19# This file is only run if using the unix backend compiled with the
20# SQLITE_ENABLE_LOCKING_STYLE macro.
21db close
22if {[catch {sqlite3 db test.db -vfs unix-none} msg]} {
23  finish_test
24  return
25}
26db close
27
28ifcapable lock_proxy_pragmas {
29  set ::using_proxy 0
30  foreach {name value} [array get env SQLITE_FORCE_PROXY_LOCKING] {
31    set ::using_proxy $value
32  }
33  # Disable the proxy locking for these tests
34  set env(SQLITE_FORCE_PROXY_LOCKING) "0"
35}
36
37
38do_test lock5-dotfile.1 {
39  sqlite3 db test.db -vfs unix-dotfile
40  execsql {
41    BEGIN;
42    CREATE TABLE t1(a, b);
43  }
44} {}
45
46do_test lock5-dotfile.2 {
47  file exists test.db.lock
48} {1}
49
50do_test lock5-dotfile.3 {
51  execsql COMMIT
52  file exists test.db.lock
53} {0}
54
55do_test lock5-dotfile.4 {
56  sqlite3 db2 test.db -vfs unix-dotfile
57  execsql {
58    INSERT INTO t1 VALUES('a', 'b');
59    SELECT * FROM t1;
60  } db2
61} {a b}
62
63do_test lock5-dotfile.5 {
64  execsql {
65    BEGIN;
66    SELECT * FROM t1;
67  } db2
68} {a b}
69
70do_test lock5-dotfile.6 {
71  file exists test.db.lock
72} {1}
73
74do_test lock5-dotfile.7 {
75  catchsql { SELECT * FROM t1; }
76} {1 {database is locked}}
77
78do_test lock5-dotfile.8 {
79  execsql {
80    SELECT * FROM t1;
81    ROLLBACK;
82  } db2
83} {a b}
84
85do_test lock5-dotfile.9 {
86  catchsql { SELECT * FROM t1; }
87} {0 {a b}}
88
89do_test lock5-dotfile.10 {
90  file exists test.db.lock
91} {0}
92
93do_test lock5-dotfile.X {
94  db2 close
95  execsql {BEGIN EXCLUSIVE}
96  db close
97  file exists test.db.lock
98} {0}
99
100#####################################################################
101
102file delete -force test.db
103
104do_test lock5-flock.1 {
105  sqlite3 db test.db -vfs unix-flock
106  execsql {
107    CREATE TABLE t1(a, b);
108    BEGIN;
109    INSERT INTO t1 VALUES(1, 2);
110  }
111} {}
112
113# Make sure we are not accidentally using the dotfile locking scheme.
114do_test lock5-flock.2 {
115  file exists test.db.lock
116} {0}
117
118do_test lock5-flock.3 {
119  sqlite3 db2 test.db -vfs unix-flock
120  catchsql { SELECT * FROM t1 } db2
121} {1 {database is locked}}
122
123do_test lock5-flock.4 {
124  execsql COMMIT
125  catchsql { SELECT * FROM t1 } db2
126} {0 {1 2}}
127
128do_test lock5-flock.5 {
129  execsql BEGIN
130  catchsql { SELECT * FROM t1 } db2
131} {0 {1 2}}
132
133do_test lock5-flock.6 {
134  execsql {SELECT * FROM t1}
135  catchsql { SELECT * FROM t1 } db2
136} {1 {database is locked}}
137
138do_test lock5-flock.7 {
139  db close
140  catchsql { SELECT * FROM t1 } db2
141} {0 {1 2}}
142
143do_test lock5-flock.8 {
144  db2 close
145} {}
146
147#####################################################################
148
149do_test lock5-none.1 {
150  sqlite3 db test.db -vfs unix-none
151  sqlite3 db2 test.db -vfs unix-none
152  execsql {
153    BEGIN;
154    INSERT INTO t1 VALUES(3, 4);
155  }
156} {}
157do_test lock5-none.2 {
158  execsql { SELECT * FROM t1 }
159} {1 2 3 4}
160do_test lock5-flock.3 {
161  execsql { SELECT * FROM t1 } db2
162} {1 2}
163do_test lock5-none.4 {
164  execsql {
165    BEGIN;
166    SELECT * FROM t1;
167  } db2
168} {1 2}
169do_test lock5-none.5 {
170  execsql COMMIT
171  execsql {SELECT * FROM t1} db2
172} {1 2}
173
174ifcapable memorymanage {
175  do_test lock5-none.6 {
176    sqlite3_release_memory 1000000
177    execsql {SELECT * FROM t1} db2
178  } {1 2 3 4}
179}
180
181do_test lock5-flock.X {
182  db close
183  db2 close
184} {}
185
186ifcapable lock_proxy_pragmas {
187  set env(SQLITE_FORCE_PROXY_LOCKING) $::using_proxy
188}
189
190finish_test
191