1# 2005 January 19 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# $Id: shared3.test,v 1.4 2008/08/20 14:49:25 danielk1977 Exp $ 13 14set testdir [file dirname $argv0] 15source $testdir/tester.tcl 16set testprefix shared3 17db close 18 19ifcapable !shared_cache { 20 finish_test 21 return 22} 23set ::enable_shared_cache [sqlite3_enable_shared_cache 1] 24 25# Ticket #1824 26# 27do_test shared3-1.1 { 28 forcedelete test.db test.db-journal 29 sqlite3 db1 test.db 30 db1 eval { 31 PRAGMA encoding=UTF16; 32 CREATE TABLE t1(x,y); 33 INSERT INTO t1 VALUES('abc','This is a test string'); 34 } 35 db1 close 36 sqlite3 db1 test.db 37 db1 eval {SELECT * FROM t1} 38} {abc {This is a test string}} 39do_test shared3-1.2 { 40 sqlite3 db2 test.db 41 db2 eval {SELECT y FROM t1 WHERE x='abc'} 42} {{This is a test string}} 43 44db1 close 45db2 close 46 47do_test shared3-2.1 { 48 sqlite3 db1 test.db 49 execsql { 50 PRAGMA main.cache_size = 10; 51 } db1 52} {} 53do_test shared3-2.2 { 54 execsql { PRAGMA main.cache_size } db1 55} {10} 56do_test shared3-2.3 { 57 sqlite3 db2 test.db 58 execsql { PRAGMA main.cache_size } db1 59} {10} 60do_test shared3-2.4 { 61 execsql { PRAGMA main.cache_size } db2 62} {10} 63do_test shared3-2.5 { 64 execsql { PRAGMA main.cache_size } db1 65} {10} 66 67# The cache-size should now be 10 pages. However at one point there was 68# a bug that caused the cache size to return to the default value when 69# a second connection was opened on the shared-cache (as happened in 70# test case shared3-2.3 above). The goal of the following tests is to 71# ensure that the cache-size really is 10 pages. 72# 73if {$::tcl_platform(platform)=="unix"} { 74 set alternative_name ./test.db 75} else { 76 set alternative_name TEST.DB 77} 78do_test shared3-2.6 { 79 sqlite3 db3 $alternative_name 80 catchsql {select count(*) from sqlite_master} db3 81} {0 1} 82do_test shared3-2.7 { 83 execsql { 84 BEGIN; 85 INSERT INTO t1 VALUES(10, randomblob(5000)) 86 } db1 87 catchsql {select count(*) from sqlite_master} db3 88} {0 1} 89do_test shared3-2.8 { 90 db3 close 91 execsql { 92 INSERT INTO t1 VALUES(10, randomblob(10000)) 93 } db1 94 95 # If the pager-cache is really still limited to 10 pages, then the INSERT 96 # statement above should have caused the pager to grab an exclusive lock 97 # on the database file so that the cache could be spilled. 98 # 99 catch { sqlite3 db3 $alternative_name } 100 catchsql {select count(*) from sqlite_master} db3 101} {1 {database is locked}} 102 103db1 close 104db2 close 105db3 close 106 107#------------------------------------------------------------------------- 108# At one point this was causing a faulty assert to fail. 109# 110forcedelete test.db 111sqlite3 db test.db 112sqlite3 db2 test.db 113do_execsql_test 3.1 { 114 PRAGMA auto_vacuum = 2; 115 CREATE TABLE t1(x, y); 116 INSERT INTO t1 VALUES(randomblob(500), randomblob(500)); 117 INSERT INTO t1 SELECT randomblob(500), randomblob(500) FROM t1; 118 INSERT INTO t1 SELECT randomblob(500), randomblob(500) FROM t1; 119 INSERT INTO t1 SELECT randomblob(500), randomblob(500) FROM t1; 120 INSERT INTO t1 SELECT randomblob(500), randomblob(500) FROM t1; 121 INSERT INTO t1 SELECT randomblob(500), randomblob(500) FROM t1; 122 INSERT INTO t1 SELECT randomblob(500), randomblob(500) FROM t1; 123 INSERT INTO t1 SELECT randomblob(500), randomblob(500) FROM t1; 124} 125do_test 3.2 { 126 execsql { SELECT count(*) FROM sqlite_master } db2 127} {1} 128do_execsql_test 3.3 { 129 BEGIN; 130 DELETE FROM t1 WHERE 1; 131 PRAGMA incremental_vacuum; 132} {} 133do_test 3.4 { 134 execsql { SELECT count(*) FROM sqlite_master } db2 135} {1} 136do_test 3.5 { 137 execsql { COMMIT } 138} {} 139 140sqlite3_enable_shared_cache $::enable_shared_cache 141finish_test 142