xref: /sqlite-3.40.0/test/lock5.test (revision 9b35ea62) 
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 1.5 2008/11/29 02:20:27 drh 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
27file delete -force test.db.lock
28
29ifcapable lock_proxy_pragmas {
30  set ::using_proxy 0
31  foreach {name value} [array get env SQLITE_FORCE_PROXY_LOCKING] {
32    set ::using_proxy $value
33  }
34  # Disable the proxy locking for these tests
35  set env(SQLITE_FORCE_PROXY_LOCKING) "0"
36}
37
38
39do_test lock5-dotfile.1 {
40  sqlite3 db test.db -vfs unix-dotfile
41  execsql {
42    BEGIN;
43    CREATE TABLE t1(a, b);
44  }
45} {}
46
47do_test lock5-dotfile.2 {
48  file exists test.db.lock
49} {1}
50
51do_test lock5-dotfile.3 {
52  execsql COMMIT
53  file exists test.db.lock
54} {0}
55
56do_test lock5-dotfile.4 {
57  sqlite3 db2 test.db -vfs unix-dotfile
58  execsql {
59    INSERT INTO t1 VALUES('a', 'b');
60    SELECT * FROM t1;
61  } db2
62} {a b}
63
64do_test lock5-dotfile.5 {
65  execsql {
66    BEGIN;
67    SELECT * FROM t1;
68  } db2
69} {a b}
70
71do_test lock5-dotfile.6 {
72  file exists test.db.lock
73} {1}
74
75do_test lock5-dotfile.7 {
76  catchsql { SELECT * FROM t1; }
77} {1 {database is locked}}
78
79do_test lock5-dotfile.8 {
80  execsql {
81    SELECT * FROM t1;
82    ROLLBACK;
83  } db2
84} {a b}
85
86do_test lock5-dotfile.9 {
87  catchsql { SELECT * FROM t1; }
88} {0 {a b}}
89
90do_test lock5-dotfile.10 {
91  file exists test.db.lock
92} {0}
93
94do_test lock5-dotfile.X {
95  db2 close
96  execsql {BEGIN EXCLUSIVE}
97  db close
98  file exists test.db.lock
99} {0}
100
101#####################################################################
102
103file delete -force test.db
104
105do_test lock5-flock.1 {
106  sqlite3 db test.db -vfs unix-flock
107  execsql {
108    CREATE TABLE t1(a, b);
109    BEGIN;
110    INSERT INTO t1 VALUES(1, 2);
111  }
112} {}
113
114# Make sure we are not accidentally using the dotfile locking scheme.
115do_test lock5-flock.2 {
116  file exists test.db.lock
117} {0}
118
119do_test lock5-flock.3 {
120  sqlite3 db2 test.db -vfs unix-flock
121  catchsql { SELECT * FROM t1 } db2
122} {1 {database is locked}}
123
124do_test lock5-flock.4 {
125  execsql COMMIT
126  catchsql { SELECT * FROM t1 } db2
127} {0 {1 2}}
128
129do_test lock5-flock.5 {
130  execsql BEGIN
131  catchsql { SELECT * FROM t1 } db2
132} {0 {1 2}}
133
134do_test lock5-flock.6 {
135  execsql {SELECT * FROM t1}
136  catchsql { SELECT * FROM t1 } db2
137} {1 {database is locked}}
138
139do_test lock5-flock.7 {
140  db close
141  catchsql { SELECT * FROM t1 } db2
142} {0 {1 2}}
143
144do_test lock5-flock.8 {
145  db2 close
146} {}
147
148#####################################################################
149
150do_test lock5-none.1 {
151  sqlite3 db test.db -vfs unix-none
152  sqlite3 db2 test.db -vfs unix-none
153  execsql {
154    BEGIN;
155    INSERT INTO t1 VALUES(3, 4);
156  }
157} {}
158do_test lock5-none.2 {
159  execsql { SELECT * FROM t1 }
160} {1 2 3 4}
161do_test lock5-flock.3 {
162  execsql { SELECT * FROM t1 } db2
163} {1 2}
164do_test lock5-none.4 {
165  execsql {
166    BEGIN;
167    SELECT * FROM t1;
168  } db2
169} {1 2}
170do_test lock5-none.5 {
171  execsql COMMIT
172  execsql {SELECT * FROM t1} db2
173} {1 2}
174
175ifcapable memorymanage {
176  do_test lock5-none.6 {
177    sqlite3_release_memory 1000000
178    execsql {SELECT * FROM t1} db2
179  } {1 2 3 4}
180}
181
182do_test lock5-flock.X {
183  db close
184  db2 close
185} {}
186
187ifcapable lock_proxy_pragmas {
188  set env(SQLITE_FORCE_PROXY_LOCKING) $::using_proxy
189}
190
191finish_test
192