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| 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 1.6 2008/12/04 12:34:16 drh Exp $ |
| 15 |
| 16 set testdir [file dirname $argv0] |
| 17 source $testdir/tester.tcl |
| 18 |
| 19 # This file is only run if using the unix backend compiled with the |
| 20 # SQLITE_ENABLE_LOCKING_STYLE macro. |
| 21 db close |
| 22 if {[catch {sqlite3 db test.db -vfs unix-none} msg]} { |
| 23 finish_test |
| 24 return |
| 25 } |
| 26 db close |
| 27 file delete -force test.db.lock |
| 28 |
| 29 ifcapable 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 |
| 39 do_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 |
| 47 do_test lock5-dotfile.2 { |
| 48 file exists test.db.lock |
| 49 } {1} |
| 50 |
| 51 do_test lock5-dotfile.3 { |
| 52 execsql COMMIT |
| 53 file exists test.db.lock |
| 54 } {0} |
| 55 |
| 56 do_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 |
| 64 do_test lock5-dotfile.5 { |
| 65 execsql { |
| 66 BEGIN; |
| 67 SELECT * FROM t1; |
| 68 } db2 |
| 69 } {a b} |
| 70 |
| 71 do_test lock5-dotfile.6 { |
| 72 file exists test.db.lock |
| 73 } {1} |
| 74 |
| 75 do_test lock5-dotfile.7 { |
| 76 catchsql { SELECT * FROM t1; } |
| 77 } {1 {database is locked}} |
| 78 |
| 79 do_test lock5-dotfile.8 { |
| 80 execsql { |
| 81 SELECT * FROM t1; |
| 82 ROLLBACK; |
| 83 } db2 |
| 84 } {a b} |
| 85 |
| 86 do_test lock5-dotfile.9 { |
| 87 catchsql { SELECT * FROM t1; } |
| 88 } {0 {a b}} |
| 89 |
| 90 do_test lock5-dotfile.10 { |
| 91 file exists test.db.lock |
| 92 } {0} |
| 93 |
| 94 do_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 |
| 103 file delete -force test.db |
| 104 if {[catch {sqlite3 db test.db -vfs unix-flock} msg]} { |
| 105 finish_test |
| 106 return |
| 107 } |
| 108 |
| 109 do_test lock5-flock.1 { |
| 110 sqlite3 db test.db -vfs unix-flock |
| 111 execsql { |
| 112 CREATE TABLE t1(a, b); |
| 113 BEGIN; |
| 114 INSERT INTO t1 VALUES(1, 2); |
| 115 } |
| 116 } {} |
| 117 |
| 118 # Make sure we are not accidentally using the dotfile locking scheme. |
| 119 do_test lock5-flock.2 { |
| 120 file exists test.db.lock |
| 121 } {0} |
| 122 |
| 123 do_test lock5-flock.3 { |
| 124 catch { sqlite3 db2 test.db -vfs unix-flock } |
| 125 catchsql { SELECT * FROM t1 } db2 |
| 126 } {1 {database is locked}} |
| 127 |
| 128 do_test lock5-flock.4 { |
| 129 execsql COMMIT |
| 130 catchsql { SELECT * FROM t1 } db2 |
| 131 } {0 {1 2}} |
| 132 |
| 133 do_test lock5-flock.5 { |
| 134 execsql BEGIN |
| 135 catchsql { SELECT * FROM t1 } db2 |
| 136 } {0 {1 2}} |
| 137 |
| 138 do_test lock5-flock.6 { |
| 139 execsql {SELECT * FROM t1} |
| 140 catchsql { SELECT * FROM t1 } db2 |
| 141 } {1 {database is locked}} |
| 142 |
| 143 do_test lock5-flock.7 { |
| 144 db close |
| 145 catchsql { SELECT * FROM t1 } db2 |
| 146 } {0 {1 2}} |
| 147 |
| 148 do_test lock5-flock.8 { |
| 149 db2 close |
| 150 } {} |
| 151 |
| 152 ##################################################################### |
| 153 |
| 154 do_test lock5-none.1 { |
| 155 sqlite3 db test.db -vfs unix-none |
| 156 sqlite3 db2 test.db -vfs unix-none |
| 157 execsql { |
| 158 BEGIN; |
| 159 INSERT INTO t1 VALUES(3, 4); |
| 160 } |
| 161 } {} |
| 162 do_test lock5-none.2 { |
| 163 execsql { SELECT * FROM t1 } |
| 164 } {1 2 3 4} |
| 165 do_test lock5-flock.3 { |
| 166 execsql { SELECT * FROM t1 } db2 |
| 167 } {1 2} |
| 168 do_test lock5-none.4 { |
| 169 execsql { |
| 170 BEGIN; |
| 171 SELECT * FROM t1; |
| 172 } db2 |
| 173 } {1 2} |
| 174 do_test lock5-none.5 { |
| 175 execsql COMMIT |
| 176 execsql {SELECT * FROM t1} db2 |
| 177 } {1 2} |
| 178 |
| 179 ifcapable memorymanage { |
| 180 do_test lock5-none.6 { |
| 181 sqlite3_release_memory 1000000 |
| 182 execsql {SELECT * FROM t1} db2 |
| 183 } {1 2 3 4} |
| 184 } |
| 185 |
| 186 do_test lock5-flock.X { |
| 187 db close |
| 188 db2 close |
| 189 } {} |
| 190 |
| 191 ifcapable lock_proxy_pragmas { |
| 192 set env(SQLITE_FORCE_PROXY_LOCKING) $::using_proxy |
| 193 } |
| 194 |
| 195 finish_test |
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